=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2006.02.15 10:01:18 =~=~=~=~=~=~=~=~=~=~=~= 1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#do sh ip int brie Interface IP-Address OK? Method Status Protocol Ethernet0/0 208.28.1.66 YES manual up up Serial0/0 unassigned YES manual up up Serial0/0.1 208.28.1.1 YES manual up up Serial0/0.2 180.40.7.66 YES manual up up Ethernet0/1 unassigned YES unset administratively down down Serial0/1 unassigned YES manual administratively down down R1(config)#  int lo 0 R1(config-if)#ip addrss .1  1.1.1.1 255.255.255.255 ^ % Invalid input detected at '^' marker. R1(config-if)#ip addrss 1.1.1.1 255.255.255.255ess 1.1.1.1 255.255.255.255 R1(config-if)#router ospf 1 R1(config-router)#rou R1(config-router)#router-id 1.1.1.1 R1(config-router)#redis R1(config-router)#redistribute con R1(config-router)#redistribute connected su R1(config-router)#redistribute connected subnets R1(config-router)#net ~redistribute connected subnets ~~~~~~   ~ ~  180.1 40.7.66 0.0.0.0 area 0 ^ % Invalid input detected at '^' marker. R1(config-router)#redistribute connected subnets 180.40.7.66 0.0.0.0 area 0 redistribute connected subnets 180.40.7.66 0.0.0.0 area 0180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 n180.40.7.66 0.0.0.0 area 0e180.40.7.66 0.0.0.0 area 0t180.40.7.66 0.0.0.0 area 0 180.40.7.66 0.0.0.0 area 0 R1(config-router)#net 208.28.1.1 0.0.0.0 area 200 R1(config-router)#^Z R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 0 R2(config-if)#\ip addr\ip addr ip addr 2.2.2.2 255.255.255.255 R2(config-if)#router ospf 12  R2(config-router)#rout   R2(config-router)#router-id 2.2.2.22  R2(config-router)#net 180.40.7.65 0.0.0.0 area 0 R2(config-router)#net 208.28.1.3 0.0.0.0 area 200 R2(config-router)#^Z R2# *Mar 1 18:56:51.949: %SYS- RACK9AS>4 3 [Resuming connection 3 to r3 ... ] R3#confi gt ^ % Invalid input detected at '^' marker. R3#in  config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int lo 0 R3(config-if)#ip add 23  3.3.3.3 255.255.255.225 Bad mask 0xFFFFFFE1 for address 3.3.3.3 R3(config-if)#ip add 3.3.3.3 255.255.255.225  55 R3(config-if)#routre os     er ospf 12 R3(config-router)#router ospf 12nrouter ospf 12orouter ospf 12 router ospf 12 R3(config)#no router ospf 12router ospf 12   R3(config-router)#router R3(config-router)#router-id 3.3.3.3 R3(config-router)#net 208.28.1.2 0.0.0.0 area 0 R3(config-router)#redsi  is R3(config-router)#redistribute con R3(config-router)#redistribute connected su R3(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] FIG_I: Configured from console by consol R2#confi gt ^ % Invalid input detected at '^' marker. R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 12  R2(config-router)#redis R2(config-router)#redistribute con R2(config-router)#redistribute connected su R2(config-router)#redistribute connected subnets R2(config-router)#do sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes redistribute connected subnets network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 --More--   R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#redistribute connected sunet 208.28.1.2 0.0.0.0 area 0nnet 208.28.1.2 0.0.0.0 area 0onet 208.28.1.2 0.0.0.0 area 0 net 208.28.1.2 0.0.0.0 area 0 R3(config-router)#no net 208.28.1.2 0.0.0.0 area 0redistribute connected su net 208.28.1.2 0.0.0.0 area 0 200 R3(config-router)#do sh run int s 1/0 Building configuration... Current configuration : 111 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon end R3(config-router)#int s 1/09  R3(config-if)#f no fram inv R3(config-if)#no fram inverse-arp R3(config-if)#fram map ip 208.28.1.1 301 bro R3(config-if)#fram map ip 208.28.1.1 301 broadcast R3(config-if)#fram map ip 208.28.1.1 301 broadcast  broadcast 2 broadcast  302 broadcast 3 302 broadcast  R3(config-if)#^x2 ^ % Invalid input detected at '^' marker. R3(config-if)# R3(config-if)#^x2 ^ % Invalid input detected at '^' marker. R3(config-if)# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#do sh run int s 1/0.1 Building configuration... Current configuration : 111 bytes ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 frame-relay interface-dlci 203 end R2(config-router)#int d     s1/0.1 R2(config-subif)#no frame-relay interface-dlci 203 R2(config-subif)#fram map ip 208.28.1.2 203 bro R2(config-subif)#ip ospf net bro R2(config-subif)#ip ospf net broadcast R2(config-subif)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#ip ospf ne bro R3(config-if)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 0/0.1net 208.28.1.1 0.0.0.0 area 200 ^ % Invalid input detected at '^' marker. R1(config)#int s 0/0.1 R1(config-subif)#ip ospf ne bro R1(config-subif)# *Mar 1 19:04:28.614: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from EXSTART to DOWN, Neighbor Down: Interface down or detached R1(config-subif)#^x3 ^ % Invalid input detected at '^' marker. R1(config-subif)# R1(config-subif)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)# R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 2WAY/DROTHER 00:00:33 208.28.1.1 Serial1/0 2.2.2.2 1 2WAY/DROTHER 00:00:35 208.28.1.3 Serial1/0 R3(config-if)# *Mar 1 19:03:54.185: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 EXSTART/DROTHER 00:00:38 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:37 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 EXSTART/DROTHER 00:00:32 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:34 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 EXSTART/DROTHER 00:00:30 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:32 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 EXSTART/DROTHER 00:00:39 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:31 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DROTHER 00:00:39 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:30 208.28.1.3 Serial1/0 R3(config-if)# *Mar 1 19:04:14.206: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DROTHER 00:00:38 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:38 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DROTHER 00:00:38 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:00:38 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf int s 1/0 Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.3 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 1.1.1.1 Adjacent with neighbor 2.2.2.2 (Backup Designated Router) Suppress hello for 0 neighbor(s) R3(config-if)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-subif)#ip ospf pr R1(config-subif)#ip ospf priority ? <0-255> Priority R1(config-subif)#ip ospf priority 0 R1(config-subif)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar 1 R2(config-subif)#ip ospf priority 0 R2(config-subif)#^Z R2# RACK9AS>12 % 12 is not an open connection RACK9AS> [Resuming connection 2 to r2 ... ] * R2# RACK9AS>z 1 [Resuming connection 1 to r1 ... ] R1(config-subif)#^Z R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#^Z R3#sh ip route *Mar 1 19:07:06.997: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:02:39, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.3, 00:02:39, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:02:40, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:02:40, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets --More--  C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/845] via 208.28.1.1, 00:02:42, Serial1/0 R3#Z  RACK9AS>1 [Resuming connection 1 to r1 ... ] * R1#sh ip ospf int s 0/0.2 Serial0/0.2 is up, line protocol is up Internet Address 180.40.7.66/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type POINT_TO_POINT, Cost: 64 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:08 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#sh ip ospf int s 1/0.2 Serial1/0.2 is up, line protocol is up Internet Address 180.40.7.65/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 180.40.7.65 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:13 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/0.2 R2(config-subif)#u ip ospf net po R2(config-subif)#ip ospf net point-to-p R2(config-subif)#ip ospf net point-to-point R2(config-subif)# *Mar 1 19:09:56.303: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)#do sh int s 12  1/0.1 Serial1/0.1 is up, line protocol is up Hardware is CD2430 in sync mode Internet address is 208.28.1.3/29 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation FRAME-RELAY Last clearing of "show interface" counters never R2(config-subif)#do sh int s 1/0.1 2 Serial1/0.2 is up, line protocol is up Hardware is CD2430 in sync mode Internet address is 180.40.7.65/27 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation FRAME-RELAY Last clearing of "show interface" counters never R2(config-subif)#^Z R2# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#do sh r int s 1 0.0  =/0.1/0.1  Serial0/0.1 is up, line protocol is up Hardware is PowerQUICC Serial Internet address is 208.28.1.1/29 MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation FRAME-RELAY Last clearing of "show interface" counters never R1(config)#int s0/0.1 R1(config-subif)#band 128 R1(config-subif)#band 128int s0/0.1 2 R1(config-subif)#int s0/0.2band 128  R1(config-subif)#^Z R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:00:03, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.3, 00:00:03, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:00:04, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:00:04, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets --More--  C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:06, Serial1/0 [110/1562] via 208.28.1.3, 00:00:06, Serial1/0 R3# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:32 180.40.7.66 Serial1/0.2 3.3.3.3 1 FULL/DR 00:00:34 208.28.1.2 Serial1/0.1 R2# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b interface Serial0/0.1 interface Serial0/0.1 point-to-point bandwidth 128 ip address 208.28.1.1 255.255.255.248 ip ospf network broadcast ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point bandwidth 128 ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 router-id 1.1.1.1 --More--   log-adjacency-changes redistribute connected subnets network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end --More--   R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b interface Serial1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf priority 0 frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown ! --More--  interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes redistribute connected subnets network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 ! --More--   R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b interface Serial1/0 interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon ip ospf network broadcast frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.3 255.255.255.224 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown --More--  ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes redistribute connected subnets network 208.28.1.2 0.0.0.0 area 200 ! ip classless ! no ip http server no ip http secure-server --More--   R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 0/0.1 R1(config-subif)#ip ospf net n R1(config-subif)#ip ospf net non-broadcast R1(config-subif)#^Z R1# *Mar 1 19:15:02.709: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/0.1 R2(config-subif)#ip ospf no R2(config-subif)#ip ospf no  net no R2(config-subif)# *Mar 1 19:14:26.494: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R2(config-subif)#^Z R2# *Mar 1 19:14:27.615: %SYS-5-CONFIG_I: Configured from console by console R2# RACK9AS> [Resuming connection 2 to r2 ... ] R2#sh ip ospf int s 1/0.1 Serial1/0.1 is up, line protocol is up Internet Address 208.28.1.3/29, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DROTHER, Priority 0 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:18 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf int s 1/0 Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:09 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) R3# *Mar 1 19:14:42.913: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from FULL to DOWN, Neighbor Down: Dead timer expired R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/0 R3(config-if)#ip *Mar 1 19:14:55.121: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from FULL to DOWN, Neighbor Down: Dead timer expired R3(config-if)#ip ospf h R3(config-if)#ip ospf hello-interval ? <1-65535> Seconds R3(config-if)#ip ospf hello-interval 30 R3(config-if)#^Z R3#config tsh ip ospf int s 1/0 *Mar 1 19:15:05.834: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf int s 1/0 Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:26 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R3#sh ip ospf int s 1/0config t sh ip ospf int s 1/0run | b interface Serial1/0ip route config t  gten confi gtg tsh ip routerun | b interface Serial1/0ip ospf int s 1/0 config t sh ip ospf int s 1/0 sh ip ospf nei R3# *Mar 1 19:15:34.116: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 EXSTART/DROTHER 00:01:58 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3# *Mar 1 19:15:39.453: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 1 subnets C 180.40.7.0 is directly connected, Serial1/2 R3#sh ip routeospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:52 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:53 208.28.1.3 Serial1/0 R3#sh ip ospf neiroute  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:00:04, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.3, 00:00:04, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:00:05, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:00:05, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets --More--  C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:06, Serial1/0 [110/1562] via 208.28.1.3, 00:00:06, Serial1/0 R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run int s 0/0.1 Building configuration... Current configuration : 184 bytes ! interface Serial0/0.1 point-to-point bandwidth 128 ip address 208.28.1.1 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay interface-dlci 103 end R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh run int s 1. /0.1 Building configuration... Current configuration : 175 bytes ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay map ip 208.28.1.2 203 broadcast end R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh run int s 1/0 Building configuration... Current configuration : 283 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon ip ospf network broadcast ip ospf hello-interval 30 frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp end R3# R3# R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/0 R3(config-if)#ip ospf ne no R3(config-if)# *Mar 1 19:17:06.937: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:17:06.941: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3(config-if)#ip ospf ne nont s 1/0 p ospf hello-interval 30nip ospf hello-interval 30oip ospf hello-interval 30 ip ospf hello-interval 30 R3(config-if)#router ospf 1 R3(config-router)#nei R3(config-router)#neighbor 208.28.1.1 ? cost OSPF cost for point-to-multipoint neighbor database-filter Filter OSPF LSA during synchronization and flooding for point-to-multipoint neighbor poll-interval OSPF dead-router polling interval priority OSPF priority of non-broadcast neighbor R3(config-router)#neighbor 208.28.1.1 R3(config-router)#neighbor 208.28.1.1   3 R3(config-router)#^Z R3# *Mar 1 19:18:41.191: %SYS-5-CONFIG_I: Configured from console by console R3#config tsh run int s 1/0ip route ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:52 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:37 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:37 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:53 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 EXSTART/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 EXSTART/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3# *Mar 1 19:19:12.230: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3# *Mar 1 19:19:17.571: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3# R3# R3# R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 1 subnets C 180.40.7.0 is directly connected, Serial1/2 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 1 subnets C 180.40.7.0 is directly connected, Serial1/2 R3#\sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:00:01, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.3, 00:00:01, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:00:02, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:00:02, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets --More--  C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:03, Serial1/0 [110/1562] via 208.28.1.3, 00:00:03, Serial1/0 R3#sh run int s 1/0 Building configuration... Current configuration : 260 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon ip ospf network non-broadcast frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp end R3#sh run | b routre  er router ospf 1 router-id 3.3.3.3 log-adjacency-changes redistribute connected subnets network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 --More--   R3#configt Translating "configt" Translating "configt" % Unknown command or computer name, or unable to find computer address R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#net 17.80.1.1 0.0.0.0 area 51 R3(config-router)# RACK9AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#router R4(config-router)#router-id 4.4.4.4 R4(config-router)#net 17.80.1.2 0.0.0.0 area 51 R4(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *M R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#net 208.28.1.66 area 51 ^ % Invalid input detected at '^' marker. R1(config-router)#net 208.28.1.66 area 510area 51.area 510area 51.area 510area 51.area 510area 51 area 51 R1(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#net 208.28.1.129 0.0.0.0.  area 51 R2(config-router)# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#router S5(config-router)#router-id 5.5.5.5 S5(config-router)#net 208.28.1.130 0.0.0.0 area 51 S5(config-router)#net 208.28.1.130 0.0.0.0 area 51 0.0.0.0 area 51  0.0.0.0 area 51  0.0.0.0 area 51 6 0.0.0.0 area 515 0.0.0.0 area 51 S5(config-router)#net 208.28.1.65 0.0.0.0 area 51               255.255.255. 19:30:04: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from LOADING to FULL, Loading Done S5(config-router)#net 208.28.1.65 255.255.255.240   area 51 S5(config-router)#do sh run | nb b  b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.64 0.0.0.15 area 51 network 208.28.1.130 0.0.0.0 area 51 ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 no login line vty 5 15 no login --More--   S5(config-router)#no network 208.28.1.64 0.0.0.15 area 51 S5(config-router)#exit S5(config)#router rip S5(config-router)#ver 2 S5(config-router)#no auto S5(config-router)#net 217.57. % Incomplete command. S5(config-router)#net 217.57.100.0 S5(config-router)#net 217.57.100.0 ? S5(config-router)#net 217.57.100.0                  routere       7redi S5(config-router)#7redi     rei dius   S5(config-router)#redistribute ospf 21    1 met S5(config-router)#redistribute ospf 1 metric 3 S5(config-router)#routre os     er ospf 1 S5(config-router)#redis S5(config-router)#redistribute rip sub S5(config-router)#redistribute rip subnets ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference tag Set tag for routes redistributed into OSPF S5(config-router)#redistribute rip subnets tag 5 ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference S5(config-router)#redistribute rip subnets tag 5 S5(config-router)#^Z S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:08, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:08, Serial0/0.1 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:08, Serial0/0.1 O E2 217.57.100.0/24 [110/20] via 180.40.7.65, 00:00:08, Serial0/0.2 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:05:48, Serial0/0.2 O IA 208.28.1.64/29 [110/783] via 180.40.7.65, 00:05:43, Serial0/0.2 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 --More--   180.40.0.0/27 is subnetted, 2 subnets O E2 180.40.7.0 [110/20] via 180.40.7.65, 00:00:10, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:10, Serial0/0.1 [110/20] via 208.28.1.2, 00:00:10, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)# RACK9AS>6 [Resuming connection 6 to r6 ... ] S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#router rip S6(config-router)#ver 2 S6(config-router)#no auto S6(config-router)#net 217.57.100.0 S6(config-router)#net 200.1.1.0 S6(config-router)#net 200.1.1.0.0 2.0 S6(config-router)#net 200.1.2.0.0 3.0 S6(config-router)#^Z S6# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:53, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:53, Serial0/0.1 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:53, Serial0/0.1 O E2 200.1.1.0/24 [110/20] via 180.40.7.65, 00:00:07, Serial0/0.2 O E2 200.1.2.0/24 [110/20] via 180.40.7.65, 00:00:04, Serial0/0.2 O E2 217.57.100.0/24 [110/20] via 180.40.7.65, 00:00:55, Serial0/0.2 O E2 200.1.3.0/24 [110/20] via 180.40.7.65, 00:00:03, Serial0/0.2 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:06:33, Serial0/0.2 --More--  O IA 208.28.1.64/29 [110/783] via 180.40.7.65, 00:06:29, Serial0/0.2 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O E2 180.40.7.0 [110/20] via 180.40.7.65, 00:00:56, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:56, Serial0/0.1 [110/20] via 208.28.1.2, 00:00:56, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#do sh ip ospf int s e 0/0 Ethernet0/0 is up, line protocol is up Internet Address 208.28.1.66/28, Area 51 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 208.28.1.66 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:07 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R1(config-router)#do sh int e 0/0 Ethernet0/0 is up, line protocol is up Hardware is AmdP2, address is 00d0.bbe9.6060 (bia 00d0.bbe9.6060) Internet address is 208.28.1.66/28 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:01, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 3573 packets input, 580103 bytes, 0 no buffer Received 3573 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 input packets with dribble condition detected 8395 packets output, 878617 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier --More-- RACK9AS>5 [Resuming connection 5 to r5 ... ] 19:35:5 S5# ^@ S5#sh ip ospf vlan 10 ^ % Invalid input detected at '^' marker. S5#sh ip ospf vlan 10ivlan 10nvlan 10tvlan 10 vlan 10 Vlan10 is up, line protocol is up Internet Address 208.28.1.65/29, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:06 Supports Link-local Signaling (LLS) Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) S5#sh int e vlan 109  Vlan10 is up, line protocol is up Hardware is EtherSVI, address is 000b.fd8f.7e00 (bia 000b.fd8f.7e00) Internet address is 208.28.1.65/29 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 3 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 59 packets input, 5546 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 54 packets output, 4860 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#ping 208.29 8.1.66 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.66, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#ip add 208.0 28.1.65 255.255.255.240 S5(config-if)#^Z S5# 19:39:12: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/BDR 00:00:37 208.28.1.129 Vlan20 S5#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DR 00:00:39 208.28.1.66 Vlan10 2.2.2.2 1 FULL/BDR 00:00:37 208.28.1.129 Vlan20 S5# 19:39:21: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DR 00:00:39 208.28.1.66 Vlan10 2.2.2.2 1 FULL/BDR 00:00:39 208.28.1.129 Vlan20 S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar  0 output buffer failures, 0 output buffers swapped out R1(config-router)#do sh int e 0/0p ospf int e 0/0route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:04, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:04, Serial0/0.1 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:04, Serial0/0.1 O E2 200.1.1.0/24 [110/20] via 180.40.7.65, 00:00:04, Serial0/0.2 O E2 200.1.2.0/24 [110/20] via 180.40.7.65, 00:00:04, Serial0/0.2 O E2 217.57.100.0/24 [110/20] via 180.40.7.65, 00:00:05, Serial0/0.2 O E2 200.1.3.0/24 [110/20] via 180.40.7.65, 00:00:05, Serial0/0.2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:05, Serial0/0.2 --More--  C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O E2 180.40.7.0 [110/20] via 180.40.7.65, 00:00:07, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:07, Serial0/0.1 [110/20] via 208.28.1.2, 00:00:07, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:01, Serial0/0.1 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:02, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--   R1(config-router)# RACK9AS>4 [Resuming connection 4 to r4 ... ] *M R4(config-router)#^Z R4#sh ip rou *Mar 1 19:39:16.383: %SYS-5-CONFIG_I: Configured from console by console R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:11:37, FastEthernet0/0 180.40.0.0/27 is subnetted, 1 subnets O E2 180.40.7.0 [110/20] via 17.80.1.1, 00:11:37, FastEthernet0/0 R4#^x2 % Unknown command or computer name, or unable to find computer address R4# R4# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Ma R2(config-router)#newt     t et 180.40.7.2 0.0.0.0.    area 200 R2(config-router)#^Z R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] *Ma R3(config-router)#net 180.40.7.3 0.0.0.0 area 200 R3(config-router)#^Z R3# *Mar 1 19:37:36.865: %SYS-5-CONFIG_I: Configured from console by console R3# RACK9AS>4 [Resuming connection 4 to r4 ... ] R4#^x2sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:12:29, FastEthernet0/0 R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:12:33, FastEthernet0/0 R4# RACK9AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#area 200 ? authentication Enable authentication default-cost Set the summary default-cost of a NSSA/stub area filter-list Filter networks between OSPF areas nssa Specify a NSSA area range Summarize routes matching address/mask (border routers only) sham-link Define a sham link and its parameters stub Specify a stub area virtual-link Define a virtual link and its parameters R3(config-router)#area 200 vi R3(config-router)#area 200 virtual-link ? A.B.C.D ID (IP addr) associated with virtual link neighbor R3(config-router)#area 200 virtual-link 1.1.1.1 R3(config-router)#area 200 virtual-link 1.1.1.1       2.2.2.2 R3(config-router)#^Z R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *M R1(config-router)#do sh log Syslog logging: enabled (0 messages dropped, 1 messages rate-limited, 0 flushes, 0 overruns, xml disabled) Console logging: level debugging, 41 messages logged, xml disabled Monitor logging: level debugging, 0 messages logged, xml disabled Buffer logging: disabled, xml disabled Logging Exception size (4096 bytes) Count and timestamp logging messages: disabled Trap logging: level informational, 46 message lines logged R1(config-router)# *Mar 1 19:41:12.855: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)# *Mar 1 19:41:22.856: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)# *Mar 1 19:41:32.856: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)#are *Mar 1 19:41:42.856: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)#area 200 vir 3.3.3.3 R1(config-router)#^Z R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#gggggggggggg            config ty  Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router osp *Mar 1 19:41:06.993: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.3, Serial1/2 R2(config)#router ospf 12  R2(config-router)#area 21  200 vir 3/3  .3.3.3 *Mar 1 19:41:16.994: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.3, Serial1/2 R2(config-router)#area 200 vir 3.3.3.3 R2(config-router)#^Z R2# *Mar RACK9AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State INIT (Hello suppressed) Index 0/0, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3855 msec R3# *Mar 1 19:41:23.388: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Done R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec R3#sh ip sof   ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL1 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/BDR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:45 208.28.1.3 Serial1/0 R3# RACK9AS> [Resuming connection 3 to r3 ... ] R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar 1 19:41:51.118: %SYS-5-CONFIG R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#area 200 vir 3.3.3.3do sh log ip routent e 0/0p route log area 200 vir 3.3.3.3 area 200 vir 3.3.3.3do sh log ip routelog area 200 vir 3.3.3.3 rot uter ospf 1 R1(config-router)#router ospf 1area 200 vir 3.3.3.3narea 200 vir 3.3.3.3oarea 200 vir 3.3.3.3 area 200 vir 3.3.3.3 R1(config-router)# *Mar 1 19:43:32.200: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config-router)# *Mar 1 19:43:32.825: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf neivir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 2 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 687 msec R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 3 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   R3#clea ip ospf vi`  R3#clea ip ospf vi    ? <1-65535> Process ID number counters OSPF counters process Reset OSPF process redistribution Clear OSPF route redistribution R3#clea ip ospf              sh ip ospf virnei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL1 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/BDR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:37 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:46 208.28.1.3 Serial1/0 R3#sh ip ospf neivirneivir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 7 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 1838 msec R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 9 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3183 msec R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 11 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 4531 msec R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 12 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3803 msec R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 14 First 0x83978C58(3)/0x0(0) Next 0x83978C58(3)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 1725 msec R3#CONFIG T Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 0 1/0 R3(config-if)#^Z R3#^Z R3# *Mar 1 19:44:17.846: %SYS-5-CONFIG_I: Configured from console by console R3#clea ip ospf % Incomplete command. R3#clea ip ospf ? <1-65535> Process ID number counters OSPF counters process Reset OSPF process redistribution Clear OSPF route redistribution R3#clea ip ospf pr R3#clea ip ospf process ? R3#clea ip ospf process Reset ALL OSPF processes? [no]: y R3# *Mar 1 19:44:30.980: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:44:30.980: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:44:31.020: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:44:31.060: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:44:31.060: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:44:31.060: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3# *Mar 1 19:44:33.203: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3# *Mar 1 19:44:38.756: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R3#yclea ip ospf process  CONFIG T sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Virtual Link OSPF_VL0 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# *Mar 1 19:44:56.678: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Done R3#sh ip ospf vir Virtual Link OSPF_VL1 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 1/3, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL0 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-router)#no area 200 vir 3.3.3.3router ospf 1 area 200 vir 3.3.3.3 R1(config-router)#^Z R1# *Mar 1 19:46:53.986: %SYS-5-C RACK9AS>4 [Resuming connection 4 to r4 ... ] *Mar 1 19 R4#sh ip ospf    route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 17.80.1.1, 00:00:48, FastEthernet0/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 17.80.1.1, 00:00:48, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:00:48, FastEthernet0/0 O E2 200.1.1.0/24 [110/20] via 17.80.1.1, 00:00:48, FastEthernet0/0 O E2 200.1.2.0/24 [110/20] via 17.80.1.1, 00:00:49, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 17.80.1.1, 00:00:49, FastEthernet0/0 O E2 200.1.3.0/24 [110/20] via 17.80.1.1, 00:00:49, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O IA 208.28.1.128/27 [110/783] via 17.80.1.1, 00:00:55, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:00:55, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:01:10, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:01:10, FastEthernet0/0 O IA 180.40.7.64 [110/1563] via 17.80.1.1, 00:00:55, FastEthernet0/0 R4# RACK9AS>1 [Resuming connection 1 to r1 ... ] ONFIG_I: Configured from console by console R1# R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:01:15, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.65, 00:01:15, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:01:15, Serial0/0.2 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:01:15, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:01:16, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:01:16, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:01:16, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:10:03, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:01:17, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 R1# RACK9AS>4 [Resuming connection 4 to r4 ... ] R4# R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 0 R4(config-if)#ip 4.4.4.4 255.255.255.255 ^ % Invalid input detected at '^' marker. R4(config-if)#ip 4.4.4.4 255.255.255.255a4.4.4.4 255.255.255.255d4.4.4.4 255.255.255.255d4.4.4.4 255.255.255.255 4.4.4.4 255.255.255.255 R4(config-if)#router ospfg    1 R4(config-router)#net 4.41.4   .4.4.  255.25      0.0.0.0 area 51 R4(config-router)#^Z R4# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh ip route 4.4.4.4 Routing entry for 4.4.4.4/32 Known via "ospf 1", distance 110, metric 783, type inter area Last update from 208.28.1.2 on Serial0/0.1, 00:00:06 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:00:06 ago, via Serial0/0.1 Route metric is 783, traffic share count is 1 R1#sh ip route 4.4.4.4 Routing entry for 4.4.4.4/32 Known via "ospf 1", distance 110, metric 783, type inter area Last update from 208.28.1.2 on Serial0/0.1, 00:00:17 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:00:17 ago, via Serial0/0.1 Route metric is 783, traffic share count is 1 R1#sh ip ospf data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 70 0x80000008 0x00A3FF 3 2.2.2.2 2.2.2.2 81 0x80000009 0x000598 3 3.3.3.3 3.3.3.3 1 (DNA) 0x80000005 0x00589D 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 81 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 640 0x80000001 0x00D38C 180.40.7.0 3.3.3.3 12 (DNA) 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 76 0x80000003 0x00E35C 208.28.1.0 2.2.2.2 76 0x80000004 0x00C377 208.28.1.0 3.3.3.3 2 (DNA) 0x80000003 0x00A790 208.28.1.64 1.1.1.1 712 0x80000003 0x00F716 208.28.1.64 2.2.2.2 723 0x80000003 0x008988 --More--  208.28.1.128 1.1.1.1 708 0x80000001 0x0023BB 208.28.1.128 2.2.2.2 1284 0x80000003 0x009C46 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 732 0x80000002 0x00230A 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 721 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 95 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 216 0x80000001 0x0052C5 5.5.5.5 1.1.1.1 721 0x80000001 0x00DA3F 5.5.5.5 2.2.2.2 950 0x80000001 0x0062BC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 736 0x80000002 0x007647 1 2.2.2.2 2.2.2.2 1293 0x80000002 0x007FBF 1 5.5.5.5 5.5.5.5 737 0x80000006 0x00B9F9 2 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.66 1.1.1.1 737 0x80000001 0x00B646 208.28.1.130 5.5.5.5 1296 0x80000001 0x004D6B Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 67 0x80000001 0x0064B2 4.4.4.4 2.2.2.2 69 0x80000001 0x0046CC 17.80.1.0 1.1.1.1 77 0x80000002 0x006460 17.80.1.0 2.2.2.2 200 0x80000001 0x004879 180.40.7.0 1.1.1.1 222 0x80000003 0x008BC6 180.40.7.0 2.2.2.2 658 0x80000001 0x00D38C 180.40.7.64 1.1.1.1 1374 0x80000001 0x006FB4 180.40.7.64 2.2.2.2 1360 0x80000001 0x0051CE 208.28.1.0 1.1.1.1 92 0x80000003 0x00E35C 208.28.1.0 2.2.2.2 94 0x80000004 0x00C377 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1360 0x80000001 0x00AE71 --More--  2.2.2.2 1.1.1.1 1375 0x80000001 0x009E81 3.3.3.3 1.1.1.1 100 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 222 0x80000001 0x0052C5 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 109 0x80000009 0x00BD74 1 2.2.2.2 2.2.2.2 110 0x8000000D 0x0060CE 3 3.3.3.3 3.3.3.3 109 0x8000000C 0x00DB50 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 110 0x80000001 0x0035F3 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 70 0x80000001 0x0064B2 4.4.4.4 2.2.2.2 72 0x80000001 0x0046CC 4.4.4.4 3.3.3.3 71 0x80000001 0x008A94 17.80.1.0 1.1.1.1 80 0x80000005 0x005E63 --More--   R1#wsh ip ospf dataroute 4.4.4.4 Routing entry for 4.4.4.4/32 Known via "ospf 1", distance 110, metric 783, type inter area Last update from 208.28.1.2 on Serial0/0.1, 00:01:21 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:01:21 ago, via Serial0/0.1 Route metric is 783, traffic share count is 1 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 0/0.1 R1(config-subif)#shut R1(config-subif)# *Mar 1 19:51:16.493: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config-subif)#dosh ip route ^ % Invalid input detected at '^' marker. R1(config-subif)#dosh ip route *Mar 1 19:51:21.998: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config-subif)#dosh ip route h ip route ^ % Invalid input detected at '^' marker. R1(config-subif)#dos h ip routeh ip route  sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 208.28.1.2, 00:00:07, Serial0/0.1 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:07, Serial0/0.1 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 208.28.1.2, 00:00:07, Serial0/0.1 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 --More--   R1(config-subif)#do sh ip routes h ip route sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:17, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 208.28.1.65, 00:00:17, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:00:17, Serial0/0.2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/1564] via 180.40.7.65, 00:00:17, Serial0/0.2 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:18, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:18, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:18, Ethernet0/0 --More--   R1(config-subif)#no shut R1(config-subif)#^Z R1# *Mar 1 19:52:04.403: %SYS-5-CONFIG_I: Configured from console by console R1# *Mar 1 19:52:27.385: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1# RACK9AS>4 [Resuming connection 4 to r4 ... ] *M R4#ping 200.1.1.1 sout    4.4.4.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.1.1, timeout is 2 seconds: Packet sent with a source address of 4.4.4.4 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 60/60/60 ms R4# R4# R4# R4# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#sh run Building configuration... Current configuration : 1284 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! memory-size iomem 10 no aaa new-model ip subnet-zero ! ! no ip domain lookup ! ip cef ! --More--  ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface Ethernet0/0 ip address 208.28.1.66 255.255.255.240 half-duplex ! interface Serial0/0 no ip address --More--   encapsulation frame-relay no fair-queue ! interface Serial0/0.1 point-to-point bandwidth 128 ip address 208.28.1.1 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point bandwidth 128 ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown --More--  ! router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--  line aux 0 line vty 0 4 ! ! end R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] 1 19:41:19.918: R2#sh run Building configuration... Current configuration : 1835 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! boot-start-marker boot-end-marker ! ! no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ! ! ! ip cef no ip domain lookup --More--  ip audit po max-events 100 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 2.2.2.2 255.255.255.255 --More--  ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 no ip address encapsulation frame-relay no fair-queue ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 --More--   ip ospf network non-broadcast ip ospf priority 0 frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address --More--   shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 --More--  ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end --More--   R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar R3#sh run Building configuration... Current configuration : 1713 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ! ! ! ip cef no ip domain lookup --More--  ip audit po max-events 100 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 3.3.3.3 255.255.255.255 --More--  ! interface FastEthernet0/0 ip address 17.80.1.1 255.255.255.0 duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon ip ospf network non-broadcast frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast --More--   no frame-relay inverse-arp ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.3 255.255.255.224 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address --More--   shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 200 virtual-link 2.2.2.2 area 200 virtual-link 1.1.1.1 redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! --More--  ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end R3# RACK9AS>4 [Resuming connection 4 to r4 ... ]   R4#sh run Building configuration... Current configuration : 798 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R4 ! boot-start-marker boot-end-marker ! ! no aaa new-model ip subnet-zero ! ! ip cef no ip domain lookup ! ip audit po max-events 100 ! --More--  ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 4.4.4.4 255.255.255.255 ! interface FastEthernet0/0 ip address 17.80.1.2 255.255.255.0 duplex auto speed auto --More--  ! interface ATM1/0 no ip address shutdown no atm ilmi-keepalive ! router ospf 1 router-id 4.4.4.4 log-adjacency-changes network 4.4.4.4 0.0.0.0 area 51 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! ! ! ! --More--  line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end R4# RACK9AS>4 5 [Resuming connection 5 to r5 ... ] S5#sh run Building configuration... Current configuration : 2737 bytes ! version 12.2 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname S5 ! ! no aaa new-model ip subnet-zero ip routing no ip domain-lookup ! ! ! ! ! ! no file verify auto --More--  spanning-tree mode pvst spanning-tree extend system-id ! vlan internal allocation policy ascending ! ! interface FastEthernet0/1 switchport access vlan 10 switchport mode dynamic desirable ! interface FastEthernet0/2 switchport access vlan 16 switchport mode dynamic desirable ! interface FastEthernet0/3 switchport access vlan 30 switchport mode dynamic desirable ! interface FastEthernet0/4 switchport mode dynamic desirable ! interface FastEthernet0/5 switchport mode dynamic desirable --More--  ! interface FastEthernet0/6 switchport mode dynamic desirable ! interface FastEthernet0/7 switchport mode dynamic desirable ! interface FastEthernet0/8 switchport mode dynamic desirable ! interface FastEthernet0/9 switchport mode dynamic desirable ! interface FastEthernet0/10 switchport mode dynamic desirable ! interface FastEthernet0/11 switchport mode dynamic desirable ! interface FastEthernet0/12 switchport mode dynamic desirable ! interface FastEthernet0/13 --More--   switchport mode dynamic desirable ! interface FastEthernet0/14 switchport mode dynamic desirable ! interface FastEthernet0/15 switchport mode dynamic desirable ! interface FastEthernet0/16 switchport mode dynamic desirable ! interface FastEthernet0/17 switchport mode dynamic desirable ! interface FastEthernet0/18 switchport mode dynamic desirable ! interface FastEthernet0/19 switchport mode dynamic desirable ! interface FastEthernet0/20 switchport mode dynamic desirable ! --More--  interface FastEthernet0/21 switchport mode dynamic desirable ! interface FastEthernet0/22 switchport mode dynamic desirable ! interface FastEthernet0/23 switchport mode dynamic desirable ! interface FastEthernet0/24 switchport mode dynamic desirable ! interface GigabitEthernet0/1 switchport mode dynamic desirable ! interface GigabitEthernet0/2 switchport mode dynamic desirable ! interface Vlan1 no ip address shutdown ! interface Vlan10 --More--   ip address 208.28.1.65 255.255.255.240 ! interface Vlan16 ip address 217.57.100.1 255.255.255.0 ! interface Vlan20 ip address 208.28.1.130 255.255.255.224 ! router ospf 1 router-id 5.5.5.5 log-adjacency-changes redistribute rip subnets tag 5 network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server --More--  ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 no login line vty 5 15 no login ! ! end S5# RACK9AS>6 [Resuming connection 6 to r6 ... ] 19: S6#sh run Building configuration... Current configuration : 2660 bytes ! version 12.2 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname S6 ! ! no aaa new-model ip subnet-zero ip routing no ip domain-lookup ! ! ! ! ! ! no file verify auto --More--  spanning-tree mode pvst spanning-tree extend system-id ! vlan internal allocation policy ascending ! ! interface Loopback0 ip address 200.1.1.1 255.255.255.0 ! interface Loopback1 ip address 200.1.2.1 255.255.255.0 ! interface Loopback2 ip address 200.1.3.1 255.255.255.0 ! interface FastEthernet0/1 switchport access vlan 16 switchport mode access ! interface FastEthernet0/2 switchport access vlan 20 switchport mode dynamic desirable ! --More--  interface FastEthernet0/3 switchport mode dynamic desirable ! interface FastEthernet0/4 switchport access vlan 30 switchport mode dynamic desirable ! interface FastEthernet0/5 switchport mode dynamic desirable ! interface FastEthernet0/6 switchport mode dynamic desirable ! interface FastEthernet0/7 switchport mode dynamic desirable ! interface FastEthernet0/8 switchport mode dynamic desirable ! interface FastEthernet0/9 switchport mode dynamic desirable ! interface FastEthernet0/10 --More--   switchport mode dynamic desirable ! interface FastEthernet0/11 switchport mode dynamic desirable ! interface FastEthernet0/12 switchport mode dynamic desirable ! interface FastEthernet0/13 switchport mode dynamic desirable ! interface FastEthernet0/14 switchport mode dynamic desirable ! interface FastEthernet0/15 switchport mode dynamic desirable ! interface FastEthernet0/16 switchport mode dynamic desirable ! interface FastEthernet0/17 switchport mode dynamic desirable ! --More--  interface FastEthernet0/18 switchport mode dynamic desirable ! interface FastEthernet0/19 switchport mode dynamic desirable ! interface FastEthernet0/20 switchport mode dynamic desirable ! interface FastEthernet0/21 switchport mode dynamic desirable ! interface FastEthernet0/22 switchport mode dynamic desirable ! interface FastEthernet0/23 switchport mode dynamic desirable ! interface FastEthernet0/24 switchport trunk encapsulation dot1q switchport mode dynamic desirable ! interface GigabitEthernet0/1 --More--   switchport mode dynamic desirable ! interface GigabitEthernet0/2 switchport mode dynamic desirable ! interface Vlan1 no ip address shutdown ! interface Vlan16 ip address 217.57.100.2 255.255.255.0 ! router rip version 2 network 200.1.1.0 network 200.1.2.0 network 200.1.3.0 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server --More--  ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 line vty 0 4 no login line vty 5 15 no login ! ! end S6# S6# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1 (DNA) 0x8000000A 0x009F02 3 2.2.2.2 2.2.2.2 1 (DNA) 0x80000009 0x000598 3 3.3.3.3 3.3.3.3 854 0x80000008 0x0052A0 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1346 0x80000002 0x008895 17.80.1.0 3.3.3.3 1346 0x80000002 0x008A42 180.40.7.0 1.1.1.1 2 (DNA) 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 449 (DNA) 0x80000001 0x00D38C 180.40.7.0 3.3.3.3 1346 0x80000002 0x00B3A7 208.28.1.0 1.1.1.1 2 (DNA) 0x80000001 0x00E75A 208.28.1.0 2.2.2.2 1 (DNA) 0x80000004 0x00C377 208.28.1.0 3.3.3.3 1346 0x80000004 0x00A591 208.28.1.64 1.1.1.1 522 (DNA) 0x80000003 0x00F716 208.28.1.64 2.2.2.2 531 (DNA) 0x80000003 0x008988 --More--  208.28.1.128 1.1.1.1 518 (DNA) 0x80000001 0x0023BB 208.28.1.128 2.2.2.2 1079 (DNA) 0x80000003 0x009C46 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 527 (DNA) 0x80000002 0x00230A 1.1.1.1 3.3.3.3 856 0x80000002 0x008E8C 2.2.2.2 1.1.1.1 518 (DNA) 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 1349 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 2 (DNA) 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 11 (DNA) 0x80000001 0x0052C5 5.5.5.5 1.1.1.1 518 (DNA) 0x80000001 0x00DA3F 5.5.5.5 2.2.2.2 745 (DNA) 0x80000001 0x0062BC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1349 0x80000006 0x00B793 1 4.4.4.4 4.4.4.4 1292 0x80000006 0x00E340 2 Net Link States (Area 51) --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/2 R3(config-if)#encap pp R3(config-if)# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#confi t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/2 R2(config-if)#enc ppp R2(config-if)#^Z R2# *Mar 1 20:40:15.955: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 20:40:16.532: %SYS-5-CONFIG_I: Configured from console by console R2# *Mar 1 20:40:26.268: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from LOADING to FULL, Loading Done R2#sh ip ospf Routing Process "ospf 1" with ID 2.2.2.2 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 9. Checksum Sum 0x03BB84 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 3 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More--   R2#sh ip ospf data OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 885 0x8000000B 0x009D03 3 2.2.2.2 2.2.2.2 3 0x8000000B 0x009C0A 3 3.3.3.3 3.3.3.3 1 (DNA) 0x80000009 0x0008F2 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 11 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 885 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 1728 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 1 (DNA) 0x80000004 0x00AFA9 208.28.1.0 1.1.1.1 885 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1225 0x80000005 0x00C178 208.28.1.0 3.3.3.3 1 (DNA) 0x80000003 0x00A790 208.28.1.64 1.1.1.1 1887 0x80000004 0x00F517 208.28.1.64 2.2.2.2 1989 0x80000004 0x008789 --More--  208.28.1.128 1.1.1.1 1888 0x80000002 0x0021BC 208.28.1.128 2.2.2.2 478 0x80000005 0x009848 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1990 0x80000003 0x00210B 1.1.1.1 3.3.3.3 1 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1889 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 11 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 888 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 1487 0x80000002 0x0050C6 5.5.5.5 1.1.1.1 1889 0x80000002 0x00D840 5.5.5.5 2.2.2.2 230 0x80000003 0x005EBE Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1890 0x80000003 0x007448 1 2.2.2.2 2.2.2.2 478 0x80000004 0x007BC1 1 5.5.5.5 5.5.5.5 1967 0x80000007 0x00B7FA 2 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.66 1.1.1.1 1891 0x80000002 0x00B447 208.28.1.130 5.5.5.5 463 0x80000003 0x00496D Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 902 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1240 0x80000002 0x0044CD 17.80.1.0 1.1.1.1 902 0x80000005 0x005E63 17.80.1.0 2.2.2.2 1500 0x80000002 0x00467A 180.40.7.0 1.1.1.1 1165 0x80000006 0x0085C9 180.40.7.0 2.2.2.2 1743 0x80000002 0x00D18D 180.40.7.64 1.1.1.1 661 0x80000003 0x006BB6 180.40.7.64 2.2.2.2 491 0x80000003 0x004DD0 208.28.1.0 1.1.1.1 902 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1240 0x80000005 0x00C178 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 491 0x80000003 0x00AA73 --More--  2.2.2.2 1.1.1.1 662 0x80000003 0x009A83 3.3.3.3 1.1.1.1 1416 0x80000003 0x006CAD 3.3.3.3 2.2.2.2 1503 0x80000002 0x0050C6 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 904 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 28 0x80000010 0x005AD1 3 3.3.3.3 3.3.3.3 29 0x80000010 0x00D354 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 920 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 904 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1243 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1412 0x80000002 0x008895 17.80.1.0 1.1.1.1 904 0x80000008 0x005866 --More--   R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] *M R3(config-if)#^Z R3#sh ip o *Mar 1 20:41:14.892: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL1 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/DR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:49 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:45 208.28.1.3 Serial1/0 R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip ospf data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 959 0x8000000B 0x009D03 3 2.2.2.2 2.2.2.2 78 0x8000000B 0x009C0A 3 3.3.3.3 3.3.3.3 1 (DNA) 0x80000009 0x0008F2 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 959 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 1803 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 1 (DNA) 0x80000004 0x00AFA9 208.28.1.0 1.1.1.1 959 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1300 0x80000005 0x00C178 208.28.1.0 3.3.3.3 2 (DNA) 0x80000003 0x00A790 208.28.1.64 1.1.1.1 1960 0x80000004 0x00F517 208.28.1.64 2.2.2.2 47 0x80000005 0x00858A --More--  208.28.1.128 1.1.1.1 1961 0x80000002 0x0021BC 208.28.1.128 2.2.2.2 561 0x80000005 0x009848 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 56 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1971 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 969 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 1571 0x80000002 0x0050C6 5.5.5.5 1.1.1.1 1971 0x80000002 0x00D840 5.5.5.5 2.2.2.2 313 0x80000003 0x005EBE Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1971 0x80000003 0x007448 1 2.2.2.2 2.2.2.2 562 0x80000004 0x007BC1 1 5.5.5.5 5.5.5.5 38 0x80000008 0x00B5FB 2 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.66 1.1.1.1 1972 0x80000002 0x00B447 208.28.1.130 5.5.5.5 535 0x80000003 0x00496D Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 972 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1314 0x80000002 0x0044CD 17.80.1.0 1.1.1.1 972 0x80000005 0x005E63 17.80.1.0 2.2.2.2 1574 0x80000002 0x00467A 180.40.7.0 1.1.1.1 1235 0x80000006 0x0085C9 180.40.7.0 2.2.2.2 1817 0x80000002 0x00D18D 180.40.7.64 1.1.1.1 731 0x80000003 0x006BB6 180.40.7.64 2.2.2.2 565 0x80000003 0x004DD0 208.28.1.0 1.1.1.1 972 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1314 0x80000005 0x00C178 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 565 0x80000003 0x00AA73 --More--  2.2.2.2 1.1.1.1 732 0x80000003 0x009A83 3.3.3.3 1.1.1.1 1486 0x80000003 0x006CAD 3.3.3.3 2.2.2.2 1577 0x80000002 0x0050C6 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 974 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 102 0x80000010 0x005AD1 3 3.3.3.3 3.3.3.3 101 0x80000010 0x00D354 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 992 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 974 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1317 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1484 0x80000002 0x008895 17.80.1.0 1.1.1.1 974 0x80000008 0x005866 --More--  17.80.1.0 2.2.2.2 1578 0x80000005 0x00407D --More--  17.80.1.0 3.3.3.3 1504 0x80000002 0x008A42 --More--  180.40.7.64 1.1.1.1 1506 0x80000004 0x0069B7 --More--  180.40.7.64 2.2.2.2 339 0x80000004 0x004BD1 --More--  180.40.7.64 3.3.3.3 1504 0x80000002 0x00CE3C --More--  208.28.1.64 1.1.1.1 11 0x80000005 0x00F318 --More--  208.28.1.64 2.2.2.2 83 0x80000006 0x00838B --More--  208.28.1.64 3.3.3.3 1505 0x80000002 0x000BF3 --More--  208.28.1.128 1.1.1.1 12 0x80000006 0x0019C0 --More--  208.28.1.128 2.2.2.2 591 0x80000005 0x009848 --More--  208.28.1.128 3.3.3.3 1511 0x80000002 0x001EB1 --More--   --More--   Summary ASB Link States (Area 200) --More--   --More--  Link ID ADV Router Age Seq# Checksum --More--  1.1.1.1 2.2.2.2 1604 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 1028 0x80000005 0x00888F 2.2.2.2 1.1.1.1 1522 0x80000005 0x0067B9 2.2.2.2 3.3.3.3 1520 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 1010 0x80000009 0x0060B3 3.3.3.3 2.2.2.2 1612 0x80000006 0x0048CA 5.5.5.5 1.1.1.1 27 0x80000004 0x00D442 5.5.5.5 2.2.2.2 355 0x80000003 0x005EBE 5.5.5.5 3.3.3.3 1520 0x80000002 0x00DF2A Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 525 0x80000004 0x0095FF 0 2.2.2.2 2.2.2.2 355 0x80000004 0x004944 0 3.3.3.3 3.3.3.3 1522 0x80000005 0x00FA89 0 180.40.7.2 3.3.3.3 147 0x80000001 0x001D91 0 180.40.7.3 2.2.2.2 148 0x80000001 0x003180 0 200.1.1.0 5.5.5.5 319 0x80000003 0x005E5C 5 200.1.2.0 5.5.5.5 319 0x80000003 0x005366 5 200.1.3.0 5.5.5.5 319 0x80000003 0x004870 5 217.57.100.0 5.5.5.5 319 0x80000003 0x009875 5 R1#q  RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/2 R2(config-if)#encap hadl ^ % Invalid input detected at '^' marker. R2(config-if)#encap hadl   d R2(config-if)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/2 R3(config-if)#int s 1/2encap pp   hd R3(config-if)#^Z R3# *Mar 1 20:43:37.762: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 20:43:38.455: %SYS-5-CONFIG_I: Configured from console by console *Mar 1 20:43:38.751: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to down R3# *Mar 1 20:43:40.226: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done *Mar 1 20:43:40.759: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up R3#sh ip ospf Routing Process "ospf 1" with ID 3.3.3.3 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 7. Checksum Sum 0x05F651 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 3 normal 0 stub 0 nssa External flood list length 1 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More--   R3# dsh ip ospf dat OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1 (DNA) 0x8000000A 0x009F02 3 2.2.2.2 2.2.2.2 1 (DNA) 0x8000000D 0x00980C 3 3.3.3.3 3.3.3.3 10 0x8000000B 0x0004F4 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1594 0x80000002 0x008895 17.80.1.0 3.3.3.3 1594 0x80000002 0x008A42 180.40.7.0 1.1.1.1 2 (DNA) 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 1 (DNA) 0x80000004 0x00CD8F 180.40.7.0 3.3.3.3 215 0x80000004 0x00AFA9 208.28.1.0 1.1.1.1 2 (DNA) 0x80000001 0x00E75A 208.28.1.0 2.2.2.2 1 (DNA) 0x80000004 0x00C377 208.28.1.0 3.3.3.3 1594 0x80000004 0x00A591 208.28.1.64 1.1.1.1 522 (DNA) 0x80000003 0x00F716 208.28.1.64 2.2.2.2 531 (DNA) 0x80000003 0x008988 --More--  208.28.1.128 1.1.1.1 518 (DNA) 0x80000001 0x0023BB 208.28.1.128 2.2.2.2 1079 (DNA) 0x80000003 0x009C46 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 527 (DNA) 0x80000002 0x00230A 1.1.1.1 3.3.3.3 1105 0x80000002 0x008E8C 2.2.2.2 1.1.1.1 518 (DNA) 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 1598 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 2 (DNA) 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 11 (DNA) 0x80000001 0x0052C5 5.5.5.5 1.1.1.1 518 (DNA) 0x80000001 0x00DA3F 5.5.5.5 2.2.2.2 745 (DNA) 0x80000001 0x0062BC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1598 0x80000006 0x00B793 1 4.4.4.4 4.4.4.4 1541 0x80000006 0x00E340 2 Net Link States (Area 51) --More--  Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 1543 0x80000002 0x008325 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 220 0x80000004 0x00AFA9 180.40.7.64 3.3.3.3 1600 0x80000002 0x00CE3C 208.28.1.0 3.3.3.3 1600 0x80000004 0x00A591 208.28.1.64 3.3.3.3 1600 0x80000002 0x000BF3 208.28.1.128 3.3.3.3 1600 0x80000002 0x001EB1 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1600 0x80000003 0x008C8D 2.2.2.2 3.3.3.3 1600 0x80000002 0x0060B6 5.5.5.5 3.3.3.3 1600 0x80000002 0x00DF2A Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1091 0x8000000E 0x00B379 1 --More--  2.2.2.2 2.2.2.2 20 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 19 0x80000012 0x00CF56 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1110 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1094 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1435 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1603 0x80000002 0x008895 17.80.1.0 1.1.1.1 1094 0x80000008 0x005866 17.80.1.0 2.2.2.2 1695 0x80000005 0x00407D 17.80.1.0 3.3.3.3 1603 0x80000002 0x008A42 180.40.7.64 1.1.1.1 1606 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 438 0x80000004 0x004BD1 180.40.7.64 3.3.3.3 1603 0x80000002 0x00CE3C 208.28.1.64 1.1.1.1 113 0x80000005 0x00F318 208.28.1.64 2.2.2.2 182 0x80000006 0x00838B 208.28.1.64 3.3.3.3 1604 0x80000002 0x000BF3 --More--   R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip ospf data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1200 0x8000000B 0x009D03 3 2.2.2.2 2.2.2.2 2 (DNA) 0x8000000D 0x00980C 3 3.3.3.3 3.3.3.3 1 (DNA) 0x8000000B 0x0004F4 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 1200 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 27 0x80000005 0x00CB90 180.40.7.0 3.3.3.3 1 (DNA) 0x80000004 0x00AFA9 208.28.1.0 1.1.1.1 1200 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1541 0x80000005 0x00C178 208.28.1.0 3.3.3.3 2 (DNA) 0x80000003 0x00A790 208.28.1.64 1.1.1.1 217 0x80000005 0x00F318 208.28.1.64 2.2.2.2 288 0x80000005 0x00858A --More--  208.28.1.128 1.1.1.1 218 0x80000003 0x001FBD 208.28.1.128 2.2.2.2 796 0x80000005 0x009848 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 291 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 221 0x80000004 0x0069B8 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1204 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 1806 0x80000002 0x0050C6 5.5.5.5 1.1.1.1 221 0x80000003 0x00D641 5.5.5.5 2.2.2.2 548 0x80000003 0x005EBE Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 221 0x80000004 0x007249 1 2.2.2.2 2.2.2.2 797 0x80000004 0x007BC1 1 5.5.5.5 5.5.5.5 273 0x80000008 0x00B5FB 2 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.66 1.1.1.1 222 0x80000003 0x00B248 208.28.1.130 5.5.5.5 769 0x80000003 0x00496D Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1206 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1548 0x80000002 0x0044CD 17.80.1.0 1.1.1.1 1206 0x80000005 0x005E63 17.80.1.0 2.2.2.2 1808 0x80000002 0x00467A 180.40.7.0 1.1.1.1 1469 0x80000006 0x0085C9 180.40.7.0 2.2.2.2 34 0x80000005 0x00CB90 180.40.7.64 1.1.1.1 965 0x80000003 0x006BB6 180.40.7.64 2.2.2.2 799 0x80000003 0x004DD0 208.28.1.0 1.1.1.1 1206 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1548 0x80000005 0x00C178 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 799 0x80000003 0x00AA73 --More--  2.2.2.2 1.1.1.1 966 0x80000003 0x009A83 3.3.3.3 1.1.1.1 1722 0x80000003 0x006CAD 3.3.3.3 2.2.2.2 1813 0x80000002 0x0050C6 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1210 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 140 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 137 0x80000012 0x00CF56 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1228 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1210 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1553 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1721 0x80000002 0x008895 17.80.1.0 1.1.1.1 1210 0x80000008 0x005866 --More--  17.80.1.0 2.2.2.2 1814 0x80000005 0x00407D 17.80.1.0 3.3.3.3 1725 0x80000002 0x008A42 180.40.7.64 1.1.1.1 1727 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 560 0x80000004 0x004BD1 180.40.7.64 3.3.3.3 1725 0x80000002 0x00CE3C 208.28.1.64 1.1.1.1 232 0x80000005 0x00F318 208.28.1.64 2.2.2.2 303 0x80000006 0x00838B 208.28.1.64 3.3.3.3 1725 0x80000002 0x000BF3 208.28.1.128 1.1.1.1 232 0x80000006 0x0019C0 208.28.1.128 2.2.2.2 808 0x80000005 0x009848 208.28.1.128 3.3.3.3 1725 0x80000002 0x001EB1 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1817 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 1232 0x80000005 0x00888F 2.2.2.2 1.1.1.1 1727 0x80000005 0x0067B9 2.2.2.2 3.3.3.3 1726 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 1216 0x80000009 0x0060B3 3.3.3.3 2.2.2.2 1818 0x80000006 0x0048CA 5.5.5.5 1.1.1.1 233 0x80000004 0x00D442 5.5.5.5 2.2.2.2 561 0x80000003 0x005EBE --More--  5.5.5.5 3.3.3.3 1726 0x80000002 0x00DF2A Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 744 0x80000004 0x0095FF 0 2.2.2.2 2.2.2.2 574 0x80000004 0x004944 0 3.3.3.3 3.3.3.3 1741 0x80000005 0x00FA89 0 200.1.1.0 5.5.5.5 537 0x80000003 0x005E5C 5 200.1.2.0 5.5.5.5 537 0x80000003 0x005366 5 200.1.3.0 5.5.5.5 537 0x80000003 0x004870 5 217.57.100.0 5.5.5.5 537 0x80000003 0x009875 5 R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1 (DNA) 0x8000000A 0x009F02 3 2.2.2.2 2.2.2.2 1 (DNA) 0x8000000D 0x00980C 3 3.3.3.3 3.3.3.3 182 0x8000000B 0x0004F4 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1767 0x80000002 0x008895 17.80.1.0 3.3.3.3 1767 0x80000002 0x008A42 180.40.7.0 1.1.1.1 2 (DNA) 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 1 (DNA) 0x80000004 0x00CD8F 180.40.7.0 3.3.3.3 387 0x80000004 0x00AFA9 208.28.1.0 1.1.1.1 2 (DNA) 0x80000001 0x00E75A 208.28.1.0 2.2.2.2 1 (DNA) 0x80000004 0x00C377 208.28.1.0 3.3.3.3 1767 0x80000004 0x00A591 208.28.1.64 1.1.1.1 522 (DNA) 0x80000003 0x00F716 208.28.1.64 2.2.2.2 531 (DNA) 0x80000003 0x008988 --More--  208.28.1.128 1.1.1.1 518 (DNA) 0x80000001 0x0023BB 208.28.1.128 2.2.2.2 1079 (DNA) 0x80000003 0x009C46 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 527 (DNA) 0x80000002 0x00230A 1.1.1.1 3.3.3.3 1278 0x80000002 0x008E8C 2.2.2.2 1.1.1.1 518 (DNA) 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 1770 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 2 (DNA) 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 11 (DNA) 0x80000001 0x0052C5 5.5.5.5 1.1.1.1 518 (DNA) 0x80000001 0x00DA3F 5.5.5.5 2.2.2.2 745 (DNA) 0x80000001 0x0062BC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1770 0x80000006 0x00B793 1 4.4.4.4 4.4.4.4 1714 0x80000006 0x00E340 2 Net Link States (Area 51) --More--  Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 1715 0x80000002 0x008325 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 393 0x80000004 0x00AFA9 180.40.7.64 3.3.3.3 1773 0x80000002 0x00CE3C 208.28.1.0 3.3.3.3 1773 0x80000004 0x00A591 208.28.1.64 3.3.3.3 1773 0x80000002 0x000BF3 208.28.1.128 3.3.3.3 1773 0x80000002 0x001EB1 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1773 0x80000003 0x008C8D 2.2.2.2 3.3.3.3 1773 0x80000002 0x0060B6 5.5.5.5 3.3.3.3 1773 0x80000002 0x00DF2A Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1264 0x8000000E 0x00B379 1 --More--  2.2.2.2 2.2.2.2 193 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 194 0x80000012 0x00CF56 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1286 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1270 0x80000004 0x005EB5 4.4.4.4 2.2.2.2 1611 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1778 0x80000002 0x008895 17.80.1.0 1.1.1.1 1270 0x80000008 0x005866 17.80.1.0 2.2.2.2 1871 0x80000005 0x00407D 17.80.1.0 3.3.3.3 1778 0x80000002 0x008A42 180.40.7.64 1.1.1.1 1782 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 613 0x80000004 0x004BD1 180.40.7.64 3.3.3.3 1778 0x80000002 0x00CE3C 208.28.1.64 1.1.1.1 288 0x80000005 0x00F318 208.28.1.64 2.2.2.2 357 0x80000006 0x00838B 208.28.1.64 3.3.3.3 1780 0x80000002 0x000BF3 --More--  208.28.1.128 1.1.1.1 288 0x80000006 0x0019C0 208.28.1.128 2.2.2.2 865 0x80000005 0x009848 208.28.1.128 3.3.3.3 1782 0x80000002 0x001EB1 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1875 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 1290 0x80000005 0x00888F 2.2.2.2 1.1.1.1 1786 0x80000005 0x0067B9 2.2.2.2 3.3.3.3 1782 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 1274 0x80000009 0x0060B3 3.3.3.3 2.2.2.2 1875 0x80000006 0x0048CA 5.5.5.5 1.1.1.1 291 0x80000004 0x00D442 5.5.5.5 2.2.2.2 617 0x80000003 0x005EBE 5.5.5.5 3.3.3.3 1782 0x80000002 0x00DF2A Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 791 0x80000004 0x0095FF 0 2.2.2.2 2.2.2.2 620 0x80000004 0x004944 0 3.3.3.3 3.3.3.3 1784 0x80000005 0x00FA89 0 --More--  200.1.1.0 5.5.5.5 584 0x80000003 0x005E5C 5 200.1.2.0 5.5.5.5 585 0x80000003 0x005366 5 200.1.3.0 5.5.5.5 585 0x80000003 0x004870 5 217.57.100.0 5.5.5.5 585 0x80000003 0x009875 5 R3#sh run Building configuration... Current configuration : 1713 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ! ! ! ip cef no ip domain lookup --More--   R3#/ sh run Building configuration... Current configuration : 1713 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ! ! ! ip cef no ip domain lookup --More--  /router filtering... router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 200 virtual-link 2.2.2.2 area 200 virtual-link 1.1.1.1 redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R3#configf    t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#nmo  o area 200 virtual-link 2.2.2.2 R3(config-router)# *Mar 1 20:48:11.366: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 1 20:48:11.963: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.2, Serial1/2 R3(config-router)#no area 200 virtual-link 2.2.2.2       1.1.1.1 R3(config-router)# *Mar 1 20:48:20.069: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 1 20:48:21.803: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.2, Serial1/2 R3(config-router)#^Z R3#config tsh run  *Mar 1 20:48:23.346: %SYS-5-CONFIG_I: Configured from console by console R3#sh run ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 6 0x80000007 0x00B298 1 4.4.4.4 4.4.4.4 1811 0x80000006 0x00E340 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 1811 0x80000002 0x008325 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1359 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 287 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 6 0x80000013 0x00CA5B 3 Net Link States (Area 200) --More-- *Mar 1 20:48:27.601: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 --More--  Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1375 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 2.2.2.2 15 0x80000003 0x00DF21 17.80.1.0 2.2.2.2 15 0x80000006 0x00DBD0 180.40.7.64 1.1.1.1 1875 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 707 0x80000004 0x004BD1 208.28.1.64 1.1.1.1 380 0x80000005 0x00F318 208.28.1.64 2.2.2.2 449 0x80000006 0x00838B 208.28.1.128 1.1.1.1 380 0x80000006 0x0019C0 208.28.1.128 2.2.2.2 954 0x80000005 0x009848 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1964 0x80000004 0x001F0C 2.2.2.2 1.1.1.1 1875 0x80000005 0x0067B9 3.3.3.3 1.1.1.1 1364 0x80000009 0x0060B3 3.3.3.3 2.2.2.2 16 0x80000007 0x00E31E 5.5.5.5 1.1.1.1 381 0x80000004 0x00D442 --More-- *Mar 1 20:48:32.609: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 --More--  5.5.5.5 2.2.2.2 708 0x80000003 0x005EBE Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 885 0x80000004 0x0095FF 0 2.2.2.2 2.2.2.2 713 0x80000004 0x004944 0 3.3.3.3 3.3.3.3 1877 0x80000005 0x00FA89 0 200.1.1.0 5.5.5.5 676 0x80000003 0x005E5C 5 200.1.2.0 5.5.5.5 676 0x80000003 0x005366 5 200.1.3.0 5.5.5.5 676 0x80000003 0x004870 5 217.57.100.0 5.5.5.5 677 0x80000003 0x009875 5 R3# *Mar 1 20:48:42.045: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3# *Mar 1 20:48:51.424: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3#sh ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 34 0x80000007 0x00B298 1 4.4.4.4 4.4.4.4 1838 0x80000006 0x00E340 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 1839 0x80000002 0x008325 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1387 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 315 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 34 0x80000013 0x00CA5B 3 Net Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1402 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 2.2.2.2 41 0x80000003 0x00DF21 17.80.1.0 2.2.2.2 41 0x80000006 0x00DBD0 180.40.7.64 1.1.1.1 1902 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 733 0x80000004 0x004BD1 208.28.1.64 1.1.1.1 407 0x80000005 0x00F318 208.28.1.64 2.2.2.2 476 0x80000006 0x00838B 208.28.1.128 1.1.1.1 407 0x80000006 0x0019C0 208.28.1.128 2.2.2.2 981 0x80000005 0x009848 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1990 0x80000004 0x001F0C 2.2.2.2 1.1.1.1 1902 0x80000005 0x0067B9 3.3.3.3 2.2.2.2 43 0x80000007 0x00E31E 5.5.5.5 1.1.1.1 408 0x80000004 0x00D442 5.5.5.5 2.2.2.2 734 0x80000003 0x005EBE --More-- *Mar 1 20:49:00.707: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 --More--   R3#sh ip ospf data ? adv-router Advertising Router link states asbr-summary ASBR summary link states database-summary Summary of database external External link states network Network link states nssa-external NSSA External link states opaque-area Opaque Area link states opaque-as Opaque AS link states opaque-link Opaque Link-Local link states router Router link states self-originate Self-originated link states summary Network summary link states | Output modifiers R3#sh ip ospf data *Mar 1 20:49:10.014: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3#sh ip ospf data *Mar 1 20:49:19.378: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3#sh ip ospf data *Mar 1 20:49:28.769: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3#sh ip ospf data                 config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)# *Mar 1 20:49:38.233: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3(config)#router ospf `1  *Mar 1 20:49:47.756: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3(config)#router ospf ` 1 R3(config-router)#router ospf 1no area 200 virtual-link 1.1.1.1no area 200 virtual-link 1.1.1.1  area 200 virtual-link 1.1.1.1 no area 200 virtual-link 2.2.2.2router ospf 1 no area 200 virtual-link 2.2.2.21.1.1.1no area 200 virtual-link 1.1.1.1  area 200 virtual-link 1.1.1.1  R3(config-router)# area 200 virtual-link 1.1.1.1router ospf 1 no area 200 virtual-link 1.1.1.12.2.2.2no area 200 virtual-link 2.2.2.2  area 200 virtual-link 2.2.2.2  R3(config-router)#^Z R3# *Mar 1 20:50:03.362: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf data router *Mar 1 20:50:07.332: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL2 from LOADING to FULL, Loading Done R3#sh ip ospf data router OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Adv Router is not-reachable LS age: 10 (DoNotAge) Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 8000000C Checksum: 0x3F7C Length: 48 Area Border Router AS Boundary Router Number of Links: 2 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.66 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More-- *Mar 1 20:50:12.224: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL3 from LOADING to FULL, Loading Done --More--   Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.64 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Adv Router is not-reachable LS age: 1 (DoNotAge) Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 8000000F Checksum: 0x940E Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 180.40.7.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 180.40.7.65 Number of TOS metrics: 0 --More--   TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.64 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   LS age: 18 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 8000000E Checksum: 0xFDF7 Length: 48 Area Border Router AS Boundary Router Number of Links: 2 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 208.28.1.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Router Link States (Area 51) LS age: 49 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 80000008 Checksum: 0xB395 Length: 36 Area Border Router AS Boundary Router Number of Links: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 17.80.1.2 (Link Data) Router Interface address: 17.80.1.1 Number of TOS metrics: 0 TOS 0 Metrics: 1 --More--   --More--   LS age: 1955 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 4.4.4.4 Advertising Router: 4.4.4.4 LS Seq Number: 80000006 Checksum: 0xE340 Length: 48 Number of Links: 2 Link connected to: a Stub Network (Link ID) Network/subnet number: 4.4.4.4 (Link Data) Network Mask: 255.255.255.255 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 17.80.1.2 (Link Data) Router Interface address: 17.80.1.2 Number of TOS metrics: 0 TOS 0 Metrics: 1 --More--   Router Link States (Area 200) Routing Bit Set on this LSA LS age: 1505 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 8000000E Checksum: 0xB379 Length: 36 Area Border Router AS Boundary Router Number of Links: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.2 (Link Data) Router Interface address: 208.28.1.1 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Routing Bit Set on this LSA LS age: 435 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 80000013 Checksum: 0x54D4 Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 180.40.7.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.0 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 --More--   TOS 0 Metrics: 781 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.2 (Link Data) Router Interface address: 208.28.1.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   LS age: 78 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 80000014 Checksum: 0xCB58 Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.0 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.2 (Link Data) Router Interface address: 208.28.1.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 R3#sh ip ospf data router        OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 6 (DNA) 0x8000000D 0x009905 3 2.2.2.2 2.2.2.2 1 (DNA) 0x8000000F 0x00940E 3 3.3.3.3 3.3.3.3 149 0x8000000E 0x00FDF7 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 164 0x80000001 0x008A94 17.80.1.0 3.3.3.3 164 0x80000001 0x008C41 180.40.7.0 1.1.1.1 1459 (DNA) 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 286 (DNA) 0x80000005 0x00CB90 180.40.7.0 3.3.3.3 154 0x80000005 0x00ADAA 208.28.1.0 1.1.1.1 1459 (DNA) 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 1800 (DNA) 0x80000005 0x00C178 208.28.1.0 3.3.3.3 154 0x80000004 0x00A591 208.28.1.64 1.1.1.1 476 (DNA) 0x80000005 0x00F318 208.28.1.64 2.2.2.2 546 (DNA) 0x80000005 0x00858A --More--  208.28.1.128 1.1.1.1 476 (DNA) 0x80000003 0x001FBD 208.28.1.128 2.2.2.2 1051 (DNA) 0x80000005 0x009848 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 546 (DNA) 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 171 0x80000001 0x00908B 2.2.2.2 1.1.1.1 476 (DNA) 0x80000004 0x0069B8 2.2.2.2 3.3.3.3 171 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1459 (DNA) 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 35 (DNA) 0x80000003 0x004EC7 5.5.5.5 1.1.1.1 476 (DNA) 0x80000003 0x00D641 5.5.5.5 2.2.2.2 803 (DNA) 0x80000003 0x005EBE Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 111 0x80000009 0x00B196 1 4.4.4.4 4.4.4.4 69 0x80000007 0x00E141 2 Net Link States (Area 51) --More--  Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 70 0x80000003 0x008126 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 173 0x80000001 0x00B5A6 180.40.7.64 3.3.3.3 148 0x80000001 0x00D03B 208.28.1.0 3.3.3.3 173 0x80000001 0x00AB8E 208.28.1.64 3.3.3.3 148 0x80000001 0x000DF2 208.28.1.128 3.3.3.3 148 0x80000001 0x0020B0 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 173 0x80000001 0x00908B 2.2.2.2 3.3.3.3 173 0x80000001 0x0062B5 5.5.5.5 3.3.3.3 148 0x80000001 0x00E129 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1622 0x8000000E 0x00B379 1 --More--  2.2.2.2 2.2.2.2 551 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 174 0x80000014 0x00CB58 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1640 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 150 0x80000001 0x0064B2 4.4.4.4 2.2.2.2 150 0x80000001 0x0046CC 4.4.4.4 3.3.3.3 174 0x80000001 0x008A94 17.80.1.0 1.1.1.1 150 0x80000001 0x00665F 17.80.1.0 2.2.2.2 150 0x80000001 0x004879 17.80.1.0 3.3.3.3 174 0x80000001 0x008C41 180.40.7.64 1.1.1.1 142 0x80000005 0x0067B8 180.40.7.64 2.2.2.2 967 0x80000004 0x004BD1 180.40.7.64 3.3.3.3 149 0x80000001 0x00D03B 208.28.1.64 1.1.1.1 642 0x80000005 0x00F318 208.28.1.64 2.2.2.2 711 0x80000006 0x00838B 208.28.1.64 3.3.3.3 150 0x80000001 0x000DF2 --More--   R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar 1 R1#sh ip ospf data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 209 0x8000000D 0x009905 3 2.2.2.2 2.2.2.2 205 0x8000000F 0x00940E 3 3.3.3.3 3.3.3.3 5 (DNA) 0x8000000E 0x00FDF7 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 1669 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 496 0x80000005 0x00CB90 180.40.7.0 3.3.3.3 6 (DNA) 0x80000005 0x00ADAA 208.28.1.0 1.1.1.1 1669 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 2010 0x80000005 0x00C178 208.28.1.0 3.3.3.3 6 (DNA) 0x80000004 0x00A591 208.28.1.64 1.1.1.1 686 0x80000005 0x00F318 208.28.1.64 2.2.2.2 757 0x80000005 0x00858A --More--   R1#sh ip ospf data route OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) LS age: 216 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 8000000D Checksum: 0x9905 Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 208.28.1.1 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.66 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.64 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Routing Bit Set on this LSA LS age: 216 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 8000000F Checksum: 0x940E Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 180.40.7.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 180.40.7.65 Number of TOS metrics: 0 --More--   TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.64 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Routing Bit Set on this LSA LS age: 5 (DoNotAge) Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 8000000E Checksum: 0xFDF7 Length: 48 Area Border Router AS Boundary Router Number of Links: 2 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Virtual Link (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 208.28.1.2 Number of TOS metrics: 0 --More--   TOS 0 Metrics: 781 Router Link States (Area 51) LS age: 708 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 80000004 Checksum: 0x7249 Length: 36 Area Border Router AS Boundary Router Number of Links: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.66 (Link Data) Router Interface address: 208.28.1.66 Number of TOS metrics: 0 TOS 0 Metrics: 10 --More--   --More--   Routing Bit Set on this LSA LS age: 1286 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 80000004 Checksum: 0x7BC1 Length: 36 Area Border Router AS Boundary Router Number of Links: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.130 (Link Data) Router Interface address: 208.28.1.129 Number of TOS metrics: 0 TOS 0 Metrics: 1 --More--   Routing Bit Set on this LSA LS age: 762 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 5.5.5.5 Advertising Router: 5.5.5.5 LS Seq Number: 80000008 Checksum: 0xB5FB Length: 48 AS Boundary Router Number of Links: 2 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.66 (Link Data) Router Interface address: 208.28.1.65 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.130 (Link Data) Router Interface address: 208.28.1.130 Number of TOS metrics: 0 TOS 0 Metrics: 1 --More--   Router Link States (Area 200) LS age: 1698 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 8000000E Checksum: 0xB379 Length: 36 Area Border Router AS Boundary Router Number of Links: 1 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.2 (Link Data) Router Interface address: 208.28.1.1 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   --More--   Routing Bit Set on this LSA LS age: 630 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 2.2.2.2 Advertising Router: 2.2.2.2 LS Seq Number: 80000013 Checksum: 0x54D4 Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 3.3.3.3 (Link Data) Router Interface address: 180.40.7.2 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.0 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 --More--   TOS 0 Metrics: 781 Link connected to: a Transit Network (Link ID) Designated Router address: 208.28.1.2 (Link Data) Router Interface address: 208.28.1.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 --More--   Routing Bit Set on this LSA LS age: 258 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 3.3.3.3 Advertising Router: 3.3.3.3 LS Seq Number: 80000014 Checksum: 0xCB58 Length: 60 Area Border Router AS Boundary Router Number of Links: 3 Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 2.2.2.2 (Link Data) Router Interface address: 180.40.7.3 Number of TOS metrics: 0 TOS 0 Metrics: 781 Link connected to: a Stub Network (Link ID) Network/subnet number: 180.40.7.0 (Link Data) Network Mask: 255.255.255.224 Number of TOS metrics: 0 --More--   R1#sh ip ospf data route      OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 256 0x8000000D 0x009905 3 2.2.2.2 2.2.2.2 252 0x8000000F 0x00940E 3 3.3.3.3 3.3.3.3 5 (DNA) 0x8000000E 0x00FDF7 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 1716 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 543 0x80000005 0x00CB90 180.40.7.0 3.3.3.3 6 (DNA) 0x80000005 0x00ADAA 208.28.1.0 1.1.1.1 1716 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 46 0x80000006 0x00BF79 208.28.1.0 3.3.3.3 6 (DNA) 0x80000004 0x00A591 208.28.1.64 1.1.1.1 733 0x80000005 0x00F318 208.28.1.64 2.2.2.2 804 0x80000005 0x00858A --More--  208.28.1.128 1.1.1.1 734 0x80000003 0x001FBD 208.28.1.128 2.2.2.2 1309 0x80000005 0x009848 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 804 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 734 0x80000004 0x0069B8 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1717 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 293 0x80000003 0x004EC7 5.5.5.5 1.1.1.1 734 0x80000003 0x00D641 5.5.5.5 2.2.2.2 1061 0x80000003 0x005EBE Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 734 0x80000004 0x007249 1 2.2.2.2 2.2.2.2 1310 0x80000004 0x007BC1 1 5.5.5.5 5.5.5.5 786 0x80000008 0x00B5FB 2 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.66 1.1.1.1 735 0x80000003 0x00B248 208.28.1.130 5.5.5.5 1284 0x80000003 0x00496D Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 246 0x80000001 0x0064B2 4.4.4.4 2.2.2.2 248 0x80000001 0x0046CC 17.80.1.0 1.1.1.1 246 0x80000001 0x00665F 17.80.1.0 2.2.2.2 248 0x80000001 0x004879 180.40.7.0 1.1.1.1 1984 0x80000006 0x0085C9 180.40.7.0 2.2.2.2 549 0x80000005 0x00CB90 180.40.7.64 1.1.1.1 1480 0x80000003 0x006BB6 180.40.7.64 2.2.2.2 1313 0x80000003 0x004DD0 208.28.1.0 1.1.1.1 1721 0x80000002 0x00E55B 208.28.1.0 2.2.2.2 52 0x80000006 0x00BF79 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1313 0x80000003 0x00AA73 --More--  2.2.2.2 1.1.1.1 1481 0x80000003 0x009A83 3.3.3.3 1.1.1.1 265 0x80000004 0x006AAE 3.3.3.3 2.2.2.2 324 0x80000003 0x004EC7 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1747 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 676 0x80000013 0x0054D4 3 3.3.3.3 3.3.3.3 299 0x80000014 0x00CB58 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1764 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 273 0x80000001 0x0064B2 4.4.4.4 2.2.2.2 274 0x80000001 0x0046CC 4.4.4.4 3.3.3.3 299 0x80000001 0x008A94 17.80.1.0 1.1.1.1 273 0x80000001 0x00665F --More--   R1#sh ip ospf data  net OSPF Router with ID (1.1.1.1) (Process ID 1) Net Link States (Area 51) Routing Bit Set on this LSA LS age: 793 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 208.28.1.66 (address of Designated Router) Advertising Router: 1.1.1.1 LS Seq Number: 80000003 Checksum: 0xB248 Length: 32 Network Mask: /28 Attached Router: 1.1.1.1 Attached Router: 5.5.5.5 --More--   Routing Bit Set on this LSA LS age: 1339 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 208.28.1.130 (address of Designated Router) Advertising Router: 5.5.5.5 LS Seq Number: 80000003 Checksum: 0x496D Length: 32 Network Mask: /27 Attached Router: 5.5.5.5 Attached Router: 2.2.2.2 Net Link States (Area 200) Routing Bit Set on this LSA LS age: 1796 Options: (No TOS-capability, DC) LS Type: Network Links Link State ID: 208.28.1.2 (address of Designated Router) Advertising Router: 3.3.3.3 LS Seq Number: 80000004 --More--   Checksum: 0x2FF6 Length: 36 Network Mask: /29 Attached Router: 3.3.3.3 Attached Router: 1.1.1.1 Attached Router: 2.2.2.2 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#are 51 nss R1(config-router)#are 51 nssa no   R1(config-router)#are 51 nssa no-s R1(config-router)#are 51 nssa no-summary R1(config-router)#^Z R1# *Mar 1 21:09:40.616: %OSPF-5-ADJ RACK9AS>2 [Resuming connection 2 to r2 ... ] *M R2(config-if)#router ospf 1 R2(config-router)#are 51 nssa no-summary R2(config-router)# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#rourte     ter ospf 1 S5(config-router)#area 51 nssqa  a S5(config-router)# 21:12:24: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from FULL to DOWN, Neighbor Down: Adjacency forced to reset 21:12:24: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from FULL to DOWN, Neighbor Down: Adjacency forced to reset S5(config-router)#^Z S5# 21:12:30: %SYS-5-CONFIG_I: Configured from console by console 21:12:31: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5# 21:12:34: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from LOADING to FULL, Loading Done S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.66, 00:00:00, Vlan10 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 208.28.1.129, 00:00:00, Vlan20 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:01, Vlan20 [110/2] via 208.28.1.66, 00:00:01, Vlan10 S5# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip r route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:02:15, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:02:15, Serial1/2 [110/20] via 208.28.1.3, 00:02:15, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/2] via 17.80.1.2, 00:21:53, FastEthernet0/0 O E2 200.1.1.0/24 [110/20] via 180.40.7.2, 00:02:16, Serial1/2 O E2 200.1.2.0/24 [110/20] via 180.40.7.2, 00:02:16, Serial1/2 --More-- RACK9AS>1 [Resuming connection 1 to r1 ... ] CHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Adjacency forced to reset R1# R1# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#access-list 1 % Incomplete command. S5(config)#denaccess-list 1 den 1.1.1.1 S5(config)#access-list 1 den 1.1.1.1         2.2.2.2 S5(config)#ace cess-list 1 per % Incomplete command. S5(config)#access-list 1 per any S5(config)#router ospf 1 S5(config-router)#dist S5(config-router)#distr S5(config-router)#distribute-list 1 in S5(config-router)#^Z S5#s 21:17:36: %SYS-5-CONFIG_I: Configured from console by console S5#sh iup  p route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:06, Vlan20 [110/2] via 208.28.1.66, 00:00:06, Vlan10 S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-router)#^Z R2#sh *Mar 1 21:18:07.383: %SYS-5-CONFIG_I: Configured from console by console R2#sh i run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! --More--   R2# RACK9AS>c 5 [Resuming connection 5 to r5 ... ] S5#sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa redistribute rip subnets tag 5 network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 distribute-list 1 in ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! access-list 1 deny 1.1.1.1 access-list 1 deny 2.2.2.2 access-list 1 permit any --More--   S5# RACK9AS>6 [Resuming connection 6 to r6 ... ] S6#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 217.57.100.1 to network 0.0.0.0 C 200.1.1.0/24 is directly connected, Loopback0 C 200.1.2.0/24 is directly connected, Loopback1 C 217.57.100.0/24 is directly connected, Vlan16 C 200.1.3.0/24 is directly connected, Loopback2 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks R 208.28.1.128/27 [120/3] via 217.57.100.1, 00:00:03, Vlan16 R 208.28.1.64/28 [120/3] via 217.57.100.1, 00:00:03, Vlan16 R* 0.0.0.0/0 [120/3] via 217.57.100.1, 00:00:03, Vlan16 S6# RACK9AS>45  5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int s   vlan 16 S5(config-if)#do sh ip int brie Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES manual administratively down down Vlan10 208.28.1.65 YES manual up up Vlan16 217.57.100.1 YES manual up up Vlan20 208.28.1.130 YES manual up up FastEthernet0/1 unassigned YES unset up up FastEthernet0/2 unassigned YES unset down down FastEthernet0/3 unassigned YES unset up up FastEthernet0/4 unassigned YES unset down down FastEthernet0/5 unassigned YES unset down down FastEthernet0/6 unassigned YES unset down down FastEthernet0/7 unassigned YES unset down down FastEthernet0/8 unassigned YES unset up up FastEthernet0/9 unassigned YES unset down down FastEthernet0/10 unassigned YES unset down down FastEthernet0/11 unassigned YES unset down down FastEthernet0/12 unassigned YES unset down down FastEthernet0/13 unassigned YES unset down down FastEthernet0/14 unassigned YES unset down down FastEthernet0/15 unassigned YES unset down down FastEthernet0/16 unassigned YES unset down down FastEthernet0/17 unassigned YES unset down down FastEthernet0/18 unassigned YES unset down down --More--   S5(config-if)#ip sum S5(config-if)#ip summary-address ? eigrp Enhanced Interior Gateway Routing Protocol (EIGRP) rip Routing Information Protocol (RIP) S5(config-if)#ip summary-address rip ? A.B.C.D IP address S5(config-if)#ip summary-address rip 208.28.1.0 255.255.255.0 S5(config-if)#router isof      ospf 1 S5(config-router)#sum S5(config-router)#summary-address ? A.B.C.D IP summary address S5(config-router)#summary-address 217.57.0.0 ? A.B.C.D Summary mask S5(config-router)#summary-address 217.57.0.0 255.255.0.0 S5(config-router)#summary-address 217.57.0.0 255.255.0.0                     00.1.0.0 255.255.0.0 ? not-advertise Do not advertise when translating OSPF type-7 LSA tag Set tag S5(config-router)#summary-address 200.1.0.0 255.255.0.0 S5(config-router)#dis S5(config-router)#dista S5(config-router)#distance ? <1-255> Administrative distance ospf OSPF distance S5(config-router)#distance ospf ? external External type 5 and type 7 routes inter-area Inter-area routes intra-area Intra-area routes S5(config-router)#distance ospf ext S5(config-router)#distance ospf external ? <1-255> Distance for external type 5 and type 7 routes S5(config-router)#distance ospf external                        ? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event ispf Enable incremental SPF computation limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-lsa maximum number of LSAs OSPF process will receive max-metric Set maximum metric maximum-paths Forward packets over multiple paths --More--   S5(config-router)#dis S5(config-router)#disc S5(config-router)#discard-route ? external Discard route for redistributed summarised routes internal Discard route for summarised internal routes S5(config-router)#discard-route ex                dosh      sh   o sh ip routee  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:08:26, Vlan20 [110/2] via 208.28.1.66, 00:08:26, Vlan10 O 200.1.0.0/16 is a summary, 00:01:00, Null0 O 217.57.0.0/16 is a summary, 00:01:00, Null0 S5(config-router)# dis    no disc S5(config-router)#no discard-route ex S5(config-router)#no discard-route external          in S5(config-router)#no discard-route internal S5(config-router)#no discard-route internal do sh ip route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:12, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:12, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:12, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:04, Vlan20 [110/2] via 208.28.1.66, 00:00:04, Vlan10 O 200.1.0.0/16 is a summary, 00:01:23, Null0 O 217.57.0.0/16 is a summary, 00:01:23, Null0 S5(config-router)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:07, Vlan20 [110/2] via 208.28.1.66, 00:00:07, Vlan10 O 200.1.0.0/16 is a summary, 00:01:25, Null0 O 217.57.0.0/16 is a summary, 00:01:25, Null0 S5(config-router)#do sh ip routeno discard-route internal do sh ip route  do sh ip routeno discard-route internal do sh ip route no discard-route internal no discard-route internal  discard-route internal  S5(config-router)# discard-route internal do sh ip route  no discard-route internal            ex S5(config-router)#no discard-route external S5(config-router)#no discard-route external  discard-route internal do sh ip route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:10, Vlan20 [110/2] via 208.28.1.66, 00:00:10, Vlan10 S5(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 208.28.1.2, 00:15:34, Serial0/0.1 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 208.28.1.65, 00:15:34, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:15:34, Serial0/0.1 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 208.28.1.2, 00:15:34, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:15:35, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/1562] via 208.28.1.2, 00:16:30, Serial0/0.1 [110/1562] via 208.28.1.3, 00:16:30, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:03:29, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:04:00, Ethernet0/0 R1# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#do trace 200.1.5.0 Type escape sequence to abort. Tracing the route to 200.1.5.0 1 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 4 msec 2 208.28.1.130 0 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 3 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 4 msec 4 208.28.1.130 0 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 5 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 4 msec 6 208.28.1.130 0 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 7 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 0 msec 8 208.28.1.130 4 msec 208.28.1.65 0 msec 208.28.1.130 4 msec 9 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 4 msec 10 208.28.1.130 4 msec 208.28.1.65 0 msec 208.28.1.130 4 msec 11 208.28.1.66 0 msec 208.28.1.129 0 msec 208.28.1.66 4 msec 12 208.28.1.130 0 msec 208.28.1.65 0 msec 208.28.1.130 4 msec 13 208.28.1.66 4 msec 208.28.1.129 0 msec 208.28.1.66 0 msec 14 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 15 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 8 msec 16 208.28.1.130 0 msec 208.28.1.65 0 msec 208.28.1.130 4 msec 17 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 18 208.28.1.130 0 msec 208.28.1.65 0 msec 208.28.1.130 4 msec 19 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 20 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 21 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 22 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 0 msec 23 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 24 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 4 msec 25 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 26 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 4 msec 27 208.28.1.66 8 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 28 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 4 msec 29 208.28.1.66 4 msec 208.28.1.129 4 msec 208.28.1.66 4 msec 30 208.28.1.130 4 msec 208.28.1.65 4 msec 208.28.1.130 4 msec S5(config-router)#do ping         do    do wr e  m  mem Building configuration... [OK] S5(config-router)#do deb ip icmp ICMP packet debugging is on S5(config-router)#do ping 200.1.5.12  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.5.1, timeout is 2 seconds: 21:29:43: ICMP: bogus redirect from 208.28.1.66 - for 200.1.5.1 use gw 208.28.1.65 21:29:43: gateway address is one of our addresses 21:29:43: ICMP: time exceeded rcvd from 208.28.1.129. 21:29:45: ICMP: bogus redirect from 208.28.1.129 - for 200.1.5.1 use gw 208.28.1.130 21:29:45: gateway address is one of our addresses 21:29:45: ICMP: time exceeded rcvd from 208.28.1.66. 21:29:47: ICMP: bogus redirect from 208.28.1.66 - for 200.1.5.1 use gw 208.28.1.65 21:29:47: gateway address is one of our addresses 21:29:47: ICMP: time exceeded rcvd from 208.28.1.129. 21:29:49: ICMP: bogus redirect from 208.28.1.129 - for 200.1.5.1 use gw 208.28.1.130 21:29:49: gateway address is one of our addresses 21:29:49: ICMP: time exceeded rcvd from 208.28.1.66. 21:29:51: ICMP: bogus redirect from 208.28.1.66 - for 200.1.5.1 use gw 208.28.1.65 21:29:51: gateway address is one of our addresses 21:29:51: ICMP: time exceeded rcvd from 208.28.1.129. Success rate is 0 percent (0/5) S5(config-router)#do u all All possible debugging has been turned off S5(config-router)#^Z S5# 21:30:26: %SYS-5-CONFIG_I: Configured from console by console S5#sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes no discard-route external area 51 nssa summary-address 217.57.0.0 255.255.0.0 summary-address 200.1.0.0 255.255.0.0 redistribute rip subnets tag 5 network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 distribute-list 1 in ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! --More--   S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int lo1  1 R1(config-if)#ip address 11.11.11.11 w 255.255.255.2551~   R1(config-if)#router ospf 1 R1(config-router)#net 11.1. 11.11    .11.11 0.0.0.0 area 51 R1(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 1 R2(config-if)#ip add 22.2. 2.22.22.  a 255.255.255.255 R2(config-if)#router ospf 1 R2(config-router)#net 22.22.22.22 9 0;0  .0.0.0 area 51 R2(config-router)#^Z R2#xx5 *Mar 1 21:30:16.586: %SYS-5-CONFIG_I: Configured from console by console R2#xx5 Translating "xx5" Translating "xx5" % Unknown command or computer name, or unable to find computer address R2# R2# RACK9AS>56 % 56 is not an open connection RACK9AS> [Resuming connection 2 to r2 ... ] l RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:24, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:24, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/2] via 208.28.1.129, 00:00:04, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:24, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/2] via 208.28.1.66, 00:00:04, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:05, Vlan20 [110/2] via 208.28.1.66, 00:00:05, Vlan10 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int l vlan 10 S5(config-if)#ip ospf co S5(config-if)#ip ospf cost 2 S5(config-if)#^Z S5# 21:34:34: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:01, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:01, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/2] via 208.28.1.129, 00:00:27, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:01, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/3] via 208.28.1.66, 00:00:27, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:28, Vlan20 S5#  sh run int vlan 10 Building configuration... Current configuration : 80 bytes ! interface Vlan10 ip address 208.28.1.65 255.255.255.240 ip ospf cost 2 end S5# S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#int vlan 10p ospf cost 2nip ospf cost 2oip ospf cost 2 ip ospf cost 2 S5(config-if)#^Z S5# 21:36:26: %SYS-5-CONFIG_I: Configured from console by console S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#area 51 def R1(config-router)#area 51 default-cost ? <0-16777215> Stub's advertised external route metric R1(config-router)#area 51 default-cost 1a0   0 10 R1(config-router)#^Z R1# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/2] via 208.28.1.129, 00:02:31, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:17, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/2] via 208.28.1.66, 00:02:31, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:08, Vlan20 S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-summary area 51 default-cost 10 area 200 virtual-link 3.3.3.3 redistribute connected subnets network 11.11.11.11 0.0.0.0 area 51 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 --More--   R1# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip    int vlan 10 Vlan10 is up, line protocol is up Hardware is EtherSVI, address is 000b.fd8f.7e00 (bia 000b.fd8f.7e00) Internet address is 208.28.1.65/28 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 3 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 991 packets input, 96360 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 1008 packets output, 94688 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#ac  do sh access-list Standard IP access list 1 10 deny 1.1.1.1 (7 matches) 20 deny 2.2.2.2 (7 matches) 30 permit any (40 matches) S5(config)#access-list 2 per 217.57.0.0 0.0.255.2525 ^ % Invalid input detected at '^' marker. S5(config)#access-list 2 per 217.57.0.0 0.0.255.2525  5 S5(config)#acced ss-list 3 per 2.00.1.00.1. 00.1.0.0 2 0.0.255.255 S5(config)#route-mapo  Prob7 S5(config-route-map)#match ip add 2 S5(config-route-map)#set mept S5(config-route-map)#set mept   S5(config-route-map)#set metric-t S5(config-route-map)#set metric-type 1 ^ % Invalid input detected at '^' marker. S5(config-route-map)#set metric-type 1 ? external IS-IS external metric internal IS-IS internal metric or Use IGP metric as the MED for BGP type-1 OSPF external type 1 metric type-2 OSPF external type 2 metric S5(config-route-map)#set metric-type ty S5(config-route-map)#set metric-type type-2 1 ? S5(config-route-map)#set metric-type type-1 S5(config-route-map)#set metric-type type-1 1 match ip add 2 route-map Prob7 20 S5(config-route-map)#no access-list 3 S5(config)#router ospf 1 S5(config-router)#rist S5(config-router)#ristr S5(config-router)#ristr    e S5(config-router)#redistribute rip sub route S5(config-router)#redistribute rip sub route-map Prob7 > ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes tag Set tag for routes redistributed into OSPF S5(config-router)#redistribute rip sub route-map Prob7 S5(config-router)#^Z S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#shj    ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 208.28.1.2, 00:08:20, Serial0/0.1 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 208.28.1.65, 00:08:20, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:08:20, Serial0/0.1 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 208.28.1.2, 00:08:20, Serial0/0.1 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/12] via 208.28.1.65, 00:08:21, Ethernet0/0 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:08:22, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/1562] via 208.28.1.2, 00:32:53, Serial0/0.1 [110/1562] via 208.28.1.3, 00:32:53, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:08:22, Ethernet0/0 O E1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:13, Ethernet0/0 R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] % Ambiguous command: "l" R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:12:23, Serial1/2 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:12:23, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:12:23, Serial1/0.1 [110/20] via 180.40.7.3, 00:12:23, Serial1/2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 180.40.7.3, 00:12:24, Serial1/2 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 --More--   11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/3] via 208.28.1.130, 00:12:24, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:12:24, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O N2 200.1.0.0/16 [110/20] via 208.28.1.130, 00:12:24, FastEthernet0/1 O N1 217.57.0.0/16 [110/22] via 208.28.1.130, 00:04:15, FastEthernet0/1 R2# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int e 0/0 R1(config-if)#ban 1000000 R1(config-if)#^Z R1#config tsh ip route *Mar 1 21:47:38.590: %SYS-5-CONFIG_I: Configured from console by console R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 208.28.1.2, 00:00:00, Serial0/0.1 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 208.28.1.65, 00:00:00, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:00, Serial0/0.1 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 208.28.1.2, 00:00:00, Serial0/0.1 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/3] via 208.28.1.65, 00:00:01, Ethernet0/0 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/2] via 208.28.1.65, 00:00:01, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/1562] via 208.28.1.2, 00:38:01, Serial0/0.1 [110/1562] via 208.28.1.3, 00:38:01, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 O E1 217.57.0.0/16 [110/21] via 208.28.1.65, 00:00:01, Ethernet0/0 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s e 0/0 R1(config-if)#int e 0/0ban 1000000nban 1000000oban 1000000 ban 1000000 R1(config-if)#^Z R1# *Mar 1 21:48:07.726: %SYS-5-CONFIG_I: Configured from console by console R1#sh ip data ^ % Invalid input detected at '^' marker. R1#sh ip dataodatasdata data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1631 0x8000000E 0x009706 3 2.2.2.2 2.2.2.2 1485 0x80000010 0x00920F 3 3.3.3.3 3.3.3.3 5 (DNA) 0x8000000E 0x00FDF7 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 11.11.11.11 1.1.1.1 1072 0x80000001 0x007992 11.11.11.11 2.2.2.2 2 (DNA) 0x80000003 0x006B98 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 22.22.22.22 1.1.1.1 22 0x80000003 0x00E7EA 22.22.22.22 2.2.2.2 2 (DNA) 0x80000001 0x005F7C 180.40.7.0 1.1.1.1 1122 0x80000004 0x0089C7 180.40.7.0 2.2.2.2 1731 0x80000006 0x00C991 180.40.7.0 3.3.3.3 6 (DNA) 0x80000005 0x00ADAA 208.28.1.0 1.1.1.1 1124 0x80000004 0x00E15D --More--  208.28.1.0 2.2.2.2 1238 0x80000007 0x00BD7A 208.28.1.0 3.3.3.3 6 (DNA) 0x80000004 0x00A591 208.28.1.64 1.1.1.1 24 0x8000000C 0x00E51F 208.28.1.64 2.2.2.2 2 (DNA) 0x80000003 0x008988 208.28.1.128 1.1.1.1 24 0x80000004 0x001DBE 208.28.1.128 2.2.2.2 483 0x8000000B 0x008C4E Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1992 0x80000005 0x001D0D 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1896 0x80000005 0x0067B9 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1124 0x80000004 0x006AAE 3.3.3.3 2.2.2.2 1487 0x80000004 0x004CC8 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 30 0x8000000B 0x00DD94 2 2.2.2.2 2.2.2.2 1051 0x80000008 0x0008C1 2 5.5.5.5 5.5.5.5 871 0x8000000E 0x004561 2 --More--   Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 458 0x80000002 0x00AB3B 208.28.1.130 5.5.5.5 458 0x80000007 0x00E6C5 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 365 0x80000003 0x0071B5 0.0.0.0 2.2.2.2 485 0x80000002 0x00FA32 Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1075 0x80000002 0x00A5C3 0 2.2.2.2 2.2.2.2 1046 0x80000002 0x0081B3 0 200.1.0.0 5.5.5.5 1557 0x80000001 0x006722 0 217.57.0.0 5.5.5.5 378 0x80000002 0x00615E 0 Router Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1126 0x80000010 0x00AF7B 1 2.2.2.2 2.2.2.2 1996 0x80000014 0x0052D5 3 3.3.3.3 3.3.3.3 1644 0x80000015 0x00C959 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 880 0x80000006 0x002BF8 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1635 0x80000002 0x0062B3 4.4.4.4 2.2.2.2 1490 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1644 0x80000002 0x008895 11.11.11.11 1.1.1.1 1076 0x80000001 0x007992 11.11.11.11 2.2.2.2 869 0x80000003 0x006B98 11.11.11.11 3.3.3.3 1078 0x80000001 0x00DA19 17.80.1.0 1.1.1.1 1636 0x80000002 0x006460 17.80.1.0 2.2.2.2 1491 0x80000002 0x00467A 17.80.1.0 3.3.3.3 1646 0x80000002 0x008A42 22.22.22.22 1.1.1.1 27 0x80000003 0x00E7EA --More--   R1# sh ip os data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1640 0x8000000E 0x009706 3 2.2.2.2 2.2.2.2 1494 0x80000010 0x00920F 3 3.3.3.3 3.3.3.3 5 (DNA) 0x8000000E 0x00FDF7 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 4.4.4.4 3.3.3.3 1 (DNA) 0x80000001 0x008A94 11.11.11.11 1.1.1.1 1081 0x80000001 0x007992 11.11.11.11 2.2.2.2 2 (DNA) 0x80000003 0x006B98 17.80.1.0 3.3.3.3 12 (DNA) 0x80000001 0x008C41 22.22.22.22 1.1.1.1 31 0x80000003 0x00E7EA 22.22.22.22 2.2.2.2 2 (DNA) 0x80000001 0x005F7C 180.40.7.0 1.1.1.1 1131 0x80000004 0x0089C7 180.40.7.0 2.2.2.2 1740 0x80000006 0x00C991 180.40.7.0 3.3.3.3 6 (DNA) 0x80000005 0x00ADAA 208.28.1.0 1.1.1.1 1132 0x80000004 0x00E15D --More--  208.28.1.0 2.2.2.2 1247 0x80000007 0x00BD7A 208.28.1.0 3.3.3.3 6 (DNA) 0x80000004 0x00A591 208.28.1.64 1.1.1.1 32 0x8000000C 0x00E51F 208.28.1.64 2.2.2.2 2 (DNA) 0x80000003 0x008988 208.28.1.128 1.1.1.1 32 0x80000004 0x001DBE 208.28.1.128 2.2.2.2 492 0x8000000B 0x008C4E Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 2001 0x80000005 0x001D0D 1.1.1.1 3.3.3.3 2 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1904 0x80000005 0x0067B9 2.2.2.2 3.3.3.3 12 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1132 0x80000004 0x006AAE 3.3.3.3 2.2.2.2 1495 0x80000004 0x004CC8 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 38 0x8000000B 0x00DD94 2 2.2.2.2 2.2.2.2 1060 0x80000008 0x0008C1 2 5.5.5.5 5.5.5.5 880 0x8000000E 0x004561 2 --More--   Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 466 0x80000002 0x00AB3B 208.28.1.130 5.5.5.5 467 0x80000007 0x00E6C5 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 375 0x80000003 0x0071B5 0.0.0.0 2.2.2.2 495 0x80000002 0x00FA32 Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1085 0x80000002 0x00A5C3 0 2.2.2.2 2.2.2.2 1056 0x80000002 0x0081B3 0 200.1.0.0 5.5.5.5 1566 0x80000001 0x006722 0 217.57.0.0 5.5.5.5 387 0x80000002 0x00615E 0 Router Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1135 0x80000010 0x00AF7B 1 2.2.2.2 2.2.2.2 2007 0x80000014 0x0052D5 3 3.3.3.3 3.3.3.3 1655 0x80000015 0x00C959 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 890 0x80000006 0x002BF8 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 4.4.4.4 1.1.1.1 1646 0x80000002 0x0062B3 4.4.4.4 2.2.2.2 1501 0x80000002 0x0044CD 4.4.4.4 3.3.3.3 1655 0x80000002 0x008895 11.11.11.11 1.1.1.1 1087 0x80000001 0x007992 11.11.11.11 2.2.2.2 879 0x80000003 0x006B98 11.11.11.11 3.3.3.3 1088 0x80000001 0x00DA19 17.80.1.0 1.1.1.1 1646 0x80000002 0x006460 17.80.1.0 2.2.2.2 1502 0x80000002 0x00467A 17.80.1.0 3.3.3.3 1656 0x80000002 0x008A42 22.22.22.22 1.1.1.1 38 0x80000003 0x00E7EA --More--  22.22.22.22 2.2.2.2 1060 0x80000001 0x005F7C 22.22.22.22 3.3.3.3 1060 0x80000001 0x00DEE8 180.40.7.64 1.1.1.1 1388 0x80000006 0x0065B9 180.40.7.64 2.2.2.2 259 0x80000006 0x0047D3 180.40.7.64 3.3.3.3 1409 0x80000002 0x00CE3C 208.28.1.64 1.1.1.1 39 0x8000000C 0x00E51F 208.28.1.64 2.2.2.2 881 0x8000000B 0x007990 208.28.1.64 3.3.3.3 40 0x80000008 0x00FEF9 208.28.1.128 1.1.1.1 39 0x80000005 0x001BBF 208.28.1.128 2.2.2.2 500 0x8000000B 0x008C4E 208.28.1.128 3.3.3.3 390 0x80000004 0x001AB3 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1503 0x80000006 0x001B0E 1.1.1.1 3.3.3.3 1409 0x80000002 0x008E8C 2.2.2.2 1.1.1.1 1388 0x80000007 0x0063BB 2.2.2.2 3.3.3.3 1410 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 1649 0x80000002 0x006EAC 3.3.3.3 2.2.2.2 1504 0x80000002 0x0050C6 Type-5 AS External Link States --More--   Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 380 0x80000006 0x009102 0 2.2.2.2 2.2.2.2 261 0x80000006 0x004546 0 3.3.3.3 3.3.3.3 1411 0x80000007 0x00F68B 0 200.1.0.0 2.2.2.2 1574 0x80000001 0x005649 0 217.57.0.0 2.2.2.2 395 0x80000002 0x005085 0 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#i rouer  ter ospf 1 R1(config-router)#rout R1(config-router)#router-id 11.11.11.11 Reload or use "clear ip ospf process" command, for this to take effect R1(config-router)#^Z R1#cl *Mar 1 21:49:37.573: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip ospf pro Reset ALL OSPF processes? [no]: y R1# *Mar 1 21:49:42.678: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 21:49:42.678: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 21:49:42.718: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 21:49:42.758: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1# *Mar 1 21:49:42.794: %OSPF-3-RECONF_VL: OSPF process 1 is changing router-id. Reconfigure virtual link neighbors with our new router-id R1# *Mar 1 21:49:44.641: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1#sh ip ospf Routing Process "ospf 1" with ID 11.11.11.11 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 5. Checksum Sum 0x043340 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More-- *Mar 1 21:49:57.510: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done --More--   R1#qsh ip ospfy clea ip ospf proonfig t sh ip os datadata config t sh ip route *Mar 1 21:50:22.812: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:18, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:03, Serial0/0.2 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:00:18, Serial0/0.2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/1564] via 180.40.7.65, 00:00:18, Serial0/0.2 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/782] via 180.40.7.65, 00:00:19, Serial0/0.2 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:19, Serial0/0.2 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:19, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 O E1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:04, Ethernet0/0 R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:02, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:02, Serial0/0.2 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:00:02, Serial0/0.2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/1564] via 180.40.7.65, 00:00:02, Serial0/0.2 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/782] via 180.40.7.65, 00:00:03, Serial0/0.2 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:04, Serial0/0.2 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:04, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 O E1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:04, Ethernet0/0 R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:06, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.65, 00:00:06, Serial0/0.2 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:00:06, Serial0/0.2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/1564] via 180.40.7.65, 00:00:06, Serial0/0.2 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/782] via 180.40.7.65, 00:00:07, Serial0/0.2 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:07, Serial0/0.2 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:07, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 O E1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:07, Ethernet0/0 R1# sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:37 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:55 208.28.1.2 Serial0/0.1 R1# sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:52 208.28.1.2 Serial0/0.1 R1# sh ip ospf neish ip route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:11, Serial0/0.2 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 208.28.1.65, 00:00:11, Ethernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.65, 00:00:11, Serial0/0.2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/1564] via 180.40.7.65, 00:00:11, Serial0/0.2 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/12] via 208.28.1.65, 00:00:13, Ethernet0/0 11.0.0.0/32 is subnetted, 1 subnets --More--  C 11.11.11.11 is directly connected, Loopback1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:16, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:16, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 O N2 200.1.0.0/16 [110/20] via 208.28.1.65, 00:00:15, Ethernet0/0 O N1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:15, Ethernet0/0 R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar 1 21:48:5 R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:00:28, Serial1/2 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:00:28, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 208.28.1.2, 00:00:28, Serial1/0.1 [110/20] via 180.40.7.3, 00:00:28, Serial1/2 4.0.0.0/32 is subnetted, 1 subnets O IA 4.4.4.4 [110/783] via 180.40.7.3, 00:00:29, Serial1/2 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 --More--   11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/3] via 208.28.1.130, 00:00:29, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:00:29, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O E2 200.1.0.0/16 [110/20] via 208.28.1.130, 00:00:28, FastEthernet0/1 O E1 217.57.0.0/16 [110/22] via 208.28.1.130, 00:00:28, FastEthernet0/1 R2#   RACK9AS>5 [Resuming connection 5 to r5 ... ] 21: S5#sh run | | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes no discard-route external area 51 nssa summary-address 217.57.0.0 255.255.0.0 summary-address 200.1.0.0 255.255.0.0 redistribute rip subnets tag 5 route-map Prob7 network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 distribute-list 1 in ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! --More--  access-list 1 deny 1.1.1.1 access-list 1 deny 2.2.2.2 access-list 1 permit any access-list 2 permit 217.57.0.0 0.0.255.255 route-map Prob7 permit 10 match ip address 2 set metric-type type-1 ! route-map Prob7 permit 20 ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 no login line vty 5 15 no login ! ! --More--   S5# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ops  spf 1 R1(config-router)#route R1(config-router)#router-id 1.1.1.1 Reload or use "clear ip ospf process" command, for this to take effect R1(config-router)#^Z R1#clea ip *Mar 1 21:54:24.576: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip ospf pr Reset ALL OSPF processes? [no]: y R1# *Mar 1 21:54:29.764: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 21:54:29.805: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 21:54:29.845: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1# *Mar 1 21:54:29.881: %OSPF-3-RECONF_VL: OSPF process 1 is changing router-id. Reconfigure virtual link neighbors with our new router-id R1# *Mar 1 21:54:34.664: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1# RACK9AS> [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#au R1(config-router)#auto-cost *Mar 1 21:54:57.630: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1(config-router)#auto-cost ? reference-bandwidth Use reference bandwidth method to assign OSPF cost R1(config-router)#auto-cost re R1(config-router)#auto-cost reference-bandwidth ? <1-4294967> The reference bandwidth in terms of Mbits per second R1(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# *Mar 1 21:55:14.890: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1(config-router)#^Z R1# *Mar 1 21:56:07.685: %SYS-5-CONFIG_I: Configured from console by console R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar 1config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#end R2#wr Building configuration... RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar  R3#onfig t ^ % Invalid input detected at '^' marker. R3#router ospf 1 ^ % Invalid input detected at '^' marker. R3#auto-cost reference-bandwidth 100000 ^ % Invalid input detected at '^' marker. R3#end Translating "end" Translating "end" % Unknown command or computer name, or unable to find computer address R3#wr Building configuration... *Mar 1 21:55:51.919: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL3 from FULL to DOWN, Neighbor Down: Interface down or detached[OK] R3# R3#~config t ^ % Invalid input detected at '^' marker. R3#router ospf 1 ^ % Invalid input detected at '^' marker. R3#auto-cost reference-bandwidth 100000 ^ % Invalid input detected at '^' marker. R3#end Translating "end" Translating "end" % Unknown command or computer name, or unable to find computer address R3#wr Building configuration... [OK] R3# R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#end R3#wr Building configuration... *Mar 1 21:56:17.028: %SYS-5-CONFIG_I: Configured from console by console RACK9AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#end R4#wr Building configuration... *Mar 1 21:58:48.350: %SYS-5-CONFIG_I: Configured from console by console RACK9AS>5 [Resuming connection 5 to r5 ... ] 21:config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)#end S5#wr Building configuration... [OK] S5# S5# 21:59:42: %SYS-5-CONFIG_I: Configured from console by console S5# RACK9AS>3 [Resuming connection 3 to r3 ... ] [OK] R3# R3# R3# R3# R3# R3# R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#auto-cost reference-bandwidth 100000 R3(config-router)#end R3#wr Building configuration... *Mar 1 21:56:32.049: %SYS-5-CONFIG_I: Configured from console by console[OK] R3# R3# RACK9AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:20, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:20, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/101] via 208.28.1.129, 00:00:27, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:20, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/101] via 208.28.1.66, 00:00:27, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/101] via 208.28.1.129, 00:00:28, Vlan20 S5#  config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#iposp    osp co 2 S5(config-if)#^Z S5#config tsh ip route 22:00:41: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/101] via 208.28.1.129, 00:00:55, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/101] via 208.28.1.66, 00:00:55, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/101] via 208.28.1.129, 00:00:55, Vlan20 S5# sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.66 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:23, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:23, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/32 is subnetted, 1 subnets O 22.22.22.22 [110/101] via 208.28.1.129, 00:00:01, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:23, Vlan16 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/3] via 208.28.1.66, 00:00:01, Vlan10 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/12] via 208.28.1.66, 00:00:02, Vlan10 S5# S5# S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#int vlan 10p osp co 2nip osp co 2oip osp co 2 ip osp co 2 S5(config-if)#^Z S5# 22:01:16: %SYS-5-CONFIG_I: Configured from console by console S5# RACK9AS>4 [Resuming connection 4 to r4 ... ] [OK] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#tim R4(config-router)#timers ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#timers pac R4(config-router)#timers pacing ? flood OSPF flood pacing timer lsa-group OSPF LSA group pacing timer retransmission OSPF retransmission pacing timer R4(config-router)#timers pacing lsa ? <10-1800> Interval in sec between group of LSA being refreshed or maxaged R4(config-router)#timers pacing lsa   R4(config-router)#timers pacing lsa-group R4# *Mar 1 22:01:43.254: %SYS-5-CONFIG_I: Configured from console by console R4#con nfig t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router pos   ospf 1 R4(config-router)#in sec        time R4(config-router)#timers pa R4(config-router)#timers pacing ls R4(config-router)#timers pacing lsa-group 600 ? R4(config-router)#timers pacing lsa-group 600 R4(config-router)#TIME R4(config-router)#TIMErs ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#TIMErs th R4(config-router)#TIMErs throttle ? spf OSPF SPF throttle timers R4(config-router)#TIMErs throttle sp R4(config-router)#TIMErs throttle spf ? <1-600000> Delay between receiving a change to SPF calculation in milliseconds R4(config-router)#TIMErs throttle spf 4000 ? <1-600000> Delay between first and second SPF calculation in milliseconds R4(config-router)#TIMErs throttle spf 4000 20000 ? <1-600000> Maximum wait time in milliseconds for SPF calculations R4(config-router)#TIMErs throttle spf 4000 20000 20000                                    do sh ip ospf Routing Process "ospf 1" with ID 4.4.4.4 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 600 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 5. Checksum Sum 0x027E9B Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa External flood list length 0 Area 51 Number of interfaces in this area is 2 (1 loopback) Area has no authentication SPF algorithm last executed 00:05:55.504 ago SPF algorithm executed 12 times Area ranges are --More--   R4(config-router)#[B  tim R4(config-router)#timers ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#timers th R4(config-router)#timers throttle ? spf OSPF SPF throttle timers R4(config-router)#timers throttle sdp R4(config-router)#timers throttle sdp  p R4(config-router)#timers throttle spf ? <1-600000> Delay between receiving a change to SPF calculation in milliseconds R4(config-router)#timers throttle spf 400-0  0 1 20000 20000 R4(config-router)#timers throttle spf 4000 20000 20000do sh ip ospf timers pacing lsa-group 600 do sh ip ospf  Routing Process "ospf 1" with ID 4.4.4.4 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) Initial SPF schedule delay 4000 msecs Minimum hold time between two consecutive SPFs 20000 msecs Maximum wait time between two consecutive SPFs 20000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 600 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 5. Checksum Sum 0x027E9B Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa External flood list length 0 Area 51 Number of interfaces in this area is 2 (1 loopback) Area has no authentication SPF algorithm last executed 00:08:16.344 ago SPF algorithm executed 12 times Area ranges are --More--   R4(config-router)#do sh ip ospftimers throttle spf 4000 20000 20000 R4# *Mar 1 22:07:52.498: %SYS-5-CONFIG_I: Configured from console by console R4#sh run | b router router ospf 1 router-id 4.4.4.4 log-adjacency-changes auto-cost reference-bandwidth 100000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 network 4.4.4.4 0.0.0.0 area 51 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-metric Set maximum metric maximum-paths Forward packets over multiple paths neighbor Specify a neighbor router network Enable routing on an IP network --More--   R4(config-router)#qi  in R4(config-router)#in g R4(config-router)#ignore ? lsa Do not complain upon receiving LSA of the specified type R4(config-router)#ignore lds  sa ? mospf MOSPF Type 6 LSA R4(config-router)#ignore lsa mo R4(config-router)#ignore lsa mospf ? R4(config-router)#ignore lsa mospf R4(config-router)#\ ^Z R4# *Mar 1 22:11:34.562: %SYS-5-CONFIG_I: Configured from console by console R4#sh run | b router router ospf 1 router-id 4.4.4.4 ignore lsa mospf log-adjacency-changes auto-cost reference-bandwidth 100000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 network 4.4.4.4 0.0.0.0 area 51 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 --More--   R4# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int l lo 2 R2(config-if)#ip add 202.2.2.2 255.255248.0.248.0 R2(config-if)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:12:30, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.3, 00:12:30, Serial1/2 [110/20] via 208.28.1.2, 00:12:30, Serial1/0.1 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/1101] via 208.28.1.130, 00:12:31, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 --More--   R2(config-if)# R2(config-if)#do sh ip route =ip add 202.2.2.2 255.255.248.0nt lo 2 p add 202.2.2.2 255.255.248.0     252.0 R2(config-if)#do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:13:34, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.3, 00:13:34, Serial1/2 [110/20] via 208.28.1.2, 00:13:34, Serial1/0.1 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/1101] via 208.28.1.130, 00:13:35, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 --More--  O 208.28.1.64/28 [110/1100] via 208.28.1.130, 00:13:36, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O N2 200.1.0.0/16 [110/20] via 208.28.1.130, 00:13:36, FastEthernet0/1 O N1 217.57.0.0/16 [110/1120] via 208.28.1.130, 00:13:36, FastEthernet0/1 C 202.2.0.0/22 is directly connected, Loopback2 C 202.2.0.0/21 is directly connected, Loopback2 R2(config-if)#do sh ip int        run int lo 2 Building configuration... Current configuration : 63 bytes ! interface Loopback2 ip address 202.2.2.2 255.255.252.0 end R2(config-if)#do sh run int lo 2ip route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:14:05, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.3, 00:14:05, Serial1/2 [110/20] via 208.28.1.2, 00:14:05, Serial1/0.1 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/1101] via 208.28.1.130, 00:14:06, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 --More--  O 208.28.1.64/28 [110/1100] via 208.28.1.130, 00:14:06, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O N2 200.1.0.0/16 [110/20] via 208.28.1.130, 00:14:06, FastEthernet0/1 O N1 217.57.0.0/16 [110/1120] via 208.28.1.130, 00:14:06, FastEthernet0/1 C 202.2.0.0/22 is directly connected, Loopback2 C 202.2.0.0/21 is directly connected, Loopback2 R2(config-if)#do clea ip router  * R2(config-if)#do clea ip route *sh ip route run int lo 2ip route  Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets O N2 1.1.1.1 [110/20] via 208.28.1.130, 00:00:02, FastEthernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 180.40.7.3, 00:00:02, Serial1/2 [110/20] via 208.28.1.2, 00:00:02, Serial1/0.1 22.0.0.0/32 is subnetted, 1 subnets C 22.22.22.22 is directly connected, Loopback1 11.0.0.0/32 is subnetted, 1 subnets O 11.11.11.11 [110/1101] via 208.28.1.130, 00:00:03, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 --More--  O 208.28.1.64/28 [110/1100] via 208.28.1.130, 00:00:04, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O N2 200.1.0.0/16 [110/20] via 208.28.1.130, 00:00:04, FastEthernet0/1 O N1 217.57.0.0/16 [110/1120] via 208.28.1.130, 00:00:04, FastEthernet0/1 C 202.2.0.0/22 is directly connected, Loopback2 R2(config-if)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.3, 00:14:30, Serial1/0 [110/20] via 180.40.7.2, 00:14:30, Serial1/2 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:14:30, Serial1/2 [110/20] via 208.28.1.3, 00:14:30, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:16:23, FastEthernet0/0 22.0.0.0/32 is subnetted, 1 subnets --More--  O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:16:14, Serial1/2 [110/65536] via 208.28.1.3, 00:16:14, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/66636] via 180.40.7.2, 00:14:37, Serial1/2 [110/66636] via 208.28.1.3, 00:14:37, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:16:14, Serial1/2 [110/66535] via 208.28.1.3, 00:16:14, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:14:37, Serial1/2 [110/66635] via 208.28.1.3, 00:14:37, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 180.40.7.2, 00:16:24, Serial1/2 [110/131070] via 208.28.1.3, 00:16:24, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:12, Serial1/0 [110/20] via 180.40.7.2, 00:00:12, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:00:12, Serial1/0 [110/66655] via 180.40.7.2, 00:00:12, Serial1/2 O E2 202.2.0.0/22 [110/20] via 180.40.7.2, 00:01:21, Serial1/2 [110/20] via 208.28.1.3, 00:01:21, Serial1/0 R3# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#router ospf 1 R2(config-router)#net 202.2.0.0 255.255.252.0 area 200 R2(config-router)#do sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets network 22.22.22.22 0.0.0.0 area 51 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 202.2.0.0 0.0.3.255 area 200 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.3, 00:00:21, Serial1/0 [110/20] via 180.40.7.2, 00:00:21, Serial1/2 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:00:21, Serial1/2 [110/20] via 208.28.1.3, 00:00:21, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:18:45, FastEthernet0/0 202.2.2.0/32 is subnetted, 1 subnets --More--  O 202.2.2.2 [110/65536] via 180.40.7.2, 00:00:23, Serial1/2 [110/65536] via 208.28.1.3, 00:00:23, Serial1/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:00:23, Serial1/2 [110/65536] via 208.28.1.3, 00:00:23, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/66636] via 180.40.7.2, 00:00:23, Serial1/2 [110/66636] via 208.28.1.3, 00:00:23, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:00:23, Serial1/2 [110/66535] via 208.28.1.3, 00:00:23, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:00:23, Serial1/2 [110/66635] via 208.28.1.3, 00:00:23, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 180.40.7.2, 00:00:24, Serial1/2 [110/131070] via 208.28.1.3, 00:00:24, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:24, Serial1/0 [110/20] via 180.40.7.2, 00:00:24, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:00:24, Serial1/0 [110/66655] via 180.40.7.2, 00:00:24, Serial1/2 R3# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int lo 2 R2(config-if)#ip ospf net po R2(config-if)#ip ospf net point-to-p R2(config-if)#ip ospf net point-to-point R2(config-if)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.3, 00:01:48, Serial1/0 [110/20] via 180.40.7.2, 00:01:48, Serial1/2 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:01:48, Serial1/2 [110/20] via 208.28.1.3, 00:01:48, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:20:11, FastEthernet0/0 202.2.2.0/32 is subnetted, 1 subnets --More--  O 202.2.2.2 [110/65536] via 180.40.7.2, 00:01:49, Serial1/2 [110/65536] via 208.28.1.3, 00:01:49, Serial1/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:01:49, Serial1/2 [110/65536] via 208.28.1.3, 00:01:49, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/66636] via 180.40.7.2, 00:01:49, Serial1/2 [110/66636] via 208.28.1.3, 00:01:49, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:01:49, Serial1/2 [110/66535] via 208.28.1.3, 00:01:49, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:01:49, Serial1/2 [110/66635] via 208.28.1.3, 00:01:49, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 180.40.7.2, 00:00:00, Serial1/2 [110/131070] via 208.28.1.3, 00:00:00, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:00, Serial1/0 [110/20] via 180.40.7.2, 00:00:00, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:00:00, Serial1/0 [110/66655] via 180.40.7.2, 00:00:00, Serial1/2 O 202.2.0.0/22 [110/65536] via 180.40.7.2, 00:00:00, Serial1/2 --More--   [110/65536] via 208.28.1.3, 00:00:00, Serial1/0 R3# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#ip ospf net point-to-point nip ospf net point-to-point oip ospf net point-to-point  ip ospf net point-to-point  R2(config-if)#do sh ip ospf int lo 0 %OSPF: OSPF not enabled on Loopback0 R2(config-if)#do sh ip ospf int lo 0 1 2 Loopback2 is up, line protocol is up Internet Address 202.2.2.2/22, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host R2(config-if)#do sh ip ospf int lo 20no ip ospf net point-to-point ip ospf net point-to-point              R2(config-if)#ip ospf net point-to-m OSPF: Invalid type for interface R2(config-if)#ip ospf net point-to-m          n R2(config-if)#ip ospf net non-broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf net non-broadcast               po R2(config-if)#ip ospf net point-to- % Ambiguous command: "ip ospf net point-to-" R2(config-if)#ip ospf net point-to-p R2(config-if)#ip ospf net point-to-p            b OSPF: Invalid type for interface R2(config-if)#^Z R2# *Mar 1 22:18:13.510: %SYS-5-CONFIG_I: Configured from console by console R2#sh run | b interface Loopback2 interface Loopback2 ip address 202.2.2.2 255.255.252.0 ip ospf network point-to-point ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 no ip address encapsulation frame-relay no fair-queue --More--  ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown --More--  ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-summary area 200 virtual-link 3.3.3.3 --More--   redistribute connected subnets --More--   network 22.22.22.22 0.0.0.0 area 51 --More--   network 180.40.7.2 0.0.0.0 area 200 --More--   network 180.40.7.65 0.0.0.0 area 0 --More--   network 202.2.0.0 0.0.3.255 area 200 --More--   network 208.28.1.3 0.0.0.0 area 200 --More--   network 208.28.1.129 0.0.0.0 area 51 --More--  ! --More--  ip classless --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 2 R2(config-if)#ip ospf lo R2(config-if)#ip ospf lo    ne lo R2(config-if)#ip ospf ne lo? % Unrecognized command R2(config-if)#ip ospf ne lo    R2(config-if)#ip ospf network po R2(config-if)#ip ospf network point-to-p R2(config-if)#ip ospf network point-to-point nip ospf network point-to-point oip ospf network point-to-point  ip ospf network point-to-point  R2(config-if)#trou    router ospf 1 R2(config-router)#net 2022.2   .2.2.2 0.0.0.0 area 200 R2(config-router)#net 202.2.2.2 0.0.0.0 area 200router ospf 1 no ip ospf network point-to-point int lo 2 p ospf net bpoint-to-p non-broadcast point-to-m do sh ip ospf int lo 20no ip ospf net point-to-point ip ospf net point-to-point nt lo 2 do sh run | b routernet 202.2.0.0 255.255.252.0 area 200nnet 202.2.0.0 255.255.252.0 area 200onet 202.2.0.0 255.255.252.0 area 200 net 202.2.0.0 255.255.252.0 area 200 R2(config-router)#do sh ru n|      un | bn    router router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets network 22.22.22.22 0.0.0.0 area 51 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 202.2.2.2 0.0.0.0 area 200 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More-- RACK9AS> [Resuming connection 2 to r2 ... ]  ! --More--   R2(config-router)#do sh ip p ospf int lo 2 Loopback2 is up, line protocol is up Internet Address 202.2.2.2/22, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route 202/.  .2.2.2 Routing entry for 202.2.2.2/32 Known via "ospf 1", distance 110, metric 65536, type intra area Last update from 208.28.1.3 on Serial1/0, 00:00:27 ago Routing Descriptor Blocks: * 180.40.7.2, from 2.2.2.2, 00:00:27 ago, via Serial1/2 Route metric is 65536, traffic share count is 1 208.28.1.3, from 2.2.2.2, 00:00:27 ago, via Serial1/0 Route metric is 65536, traffic share count is 1 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:00:26, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:00:26, Serial1/2 [110/20] via 208.28.1.3, 00:00:26, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:24:03, FastEthernet0/0 202.2.2.0/32 is subnetted, 1 subnets O 202.2.2.2 [110/65536] via 180.40.7.2, 00:00:38, Serial1/2 --More--   [110/65536] via 208.28.1.3, 00:00:38, Serial1/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:00:31, Serial1/2 [110/65536] via 208.28.1.3, 00:00:31, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/65536] via 208.28.1.1, 00:00:31, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:00:31, Serial1/2 [110/66535] via 208.28.1.3, 00:00:31, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:00:31, Serial1/2 [110/66635] via 208.28.1.3, 00:00:31, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 180.40.7.2, 00:00:31, Serial1/2 [110/131070] via 208.28.1.3, 00:00:31, Serial1/0 [110/131070] via 208.28.1.1, 00:00:33, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:33, Serial1/0 [110/20] via 180.40.7.2, 00:00:33, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:00:33, Serial1/0 [110/66655] via 180.40.7.2, 00:00:33, Serial1/2 O E2 202.2.0.0/22 [110/20] via 180.40.7.2, 00:00:33, Serial1/2 [110/20] via 208.28.1.3, 00:00:33, Serial1/0 R3#sh ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 2 (DNA) 0x80000003 0x005490 2 2.2.2.2 2.2.2.2 1 (DNA) 0x80000015 0x000AB2 3 3.3.3.3 3.3.3.3 1508 0x80000012 0x009C7B 0 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 11.11.11.11 1.1.1.1 2 (DNA) 0x80000001 0x007992 11.11.11.11 2.2.2.2 1 (DNA) 0x80000001 0x006F96 22.22.22.22 1.1.1.1 2 (DNA) 0x80000001 0x00881F 22.22.22.22 2.2.2.2 1 (DNA) 0x80000001 0x005F7C 180.40.7.0 2.2.2.2 286 (DNA) 0x80000005 0x00CB90 208.28.1.0 2.2.2.2 1800 (DNA) 0x80000005 0x00C178 208.28.1.64 1.1.1.1 2 (DNA) 0x80000003 0x00944C 208.28.1.64 2.2.2.2 1 (DNA) 0x80000005 0x00858A 208.28.1.128 1.1.1.1 2 (DNA) 0x80000001 0x00BFF1 208.28.1.128 2.2.2.2 1 (DNA) 0x8000000A 0x008E4D --More--   Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 546 (DNA) 0x80000004 0x001F0C 3.3.3.3 2.2.2.2 35 (DNA) 0x80000003 0x004EC7 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1343 0x8000000D 0x002832 1 4.4.4.4 4.4.4.4 1332 0x8000000A 0x0060D4 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.2 4.4.4.4 1332 0x80000005 0x007D28 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1603 0x80000003 0x00AB9C 1 2.2.2.2 2.2.2.2 111 0x8000001B 0x002A45 4 --More--  3.3.3.3 3.3.3.3 1485 0x80000018 0x00242D 3 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 80 0x80000008 0x0027FA Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 11.11.11.11 1.1.1.1 1644 0x80000001 0x007992 11.11.11.11 2.2.2.2 1374 0x8000000F 0x005E4B 22.22.22.22 1.1.1.1 1471 0x80000004 0x0064DC 22.22.22.22 2.2.2.2 1226 0x80000002 0x005D7D 180.40.7.64 1.1.1.1 1600 0x80000002 0x00CF63 180.40.7.64 2.2.2.2 1512 0x80000007 0x00A782 208.28.1.64 1.1.1.1 1595 0x80000003 0x00944C 208.28.1.64 2.2.2.2 1374 0x80000011 0x00783D 208.28.1.128 1.1.1.1 1471 0x80000004 0x009BAF 208.28.1.128 2.2.2.2 1512 0x8000000C 0x00B43A Summary ASB Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1513 0x80000002 0x000F20 2.2.2.2 1.1.1.1 1602 0x80000002 0x00FE30 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1651 0x80000001 0x009BFC 0 2.2.2.2 2.2.2.2 209 0x80000007 0x004347 0 3.3.3.3 3.3.3.3 1346 0x80000008 0x00F48C 0 200.1.0.0 2.2.2.2 505 0x80000002 0x00544A 0 202.2.0.0 2.2.2.2 84 0x80000001 0x003896 0 217.57.0.0 2.2.2.2 505 0x80000002 0x005085 0 R3# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int lo 2 R2(config-if)#int lo 2do sh ip ospf int lo 2run | b router ip ospf int lo 2int lo 2  ip ospf po R2(config-if)#ip ospf pop R2(config-if)#ip ospf pop   n R2(config-if)#ip ospf network p R2(config-if)#ip ospf network point-to-p R2(config-if)#^Z R2#6  *Mar 1 22:23:09.655: %SYS-5-CO RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:00:00, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:00:00, Serial1/2 [110/20] via 208.28.1.3, 00:00:00, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:26:49, FastEthernet0/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:00:01, Serial1/2 --More--   [110/65536] via 208.28.1.3, 00:00:01, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/65536] via 208.28.1.1, 00:00:03, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:00:03, Serial1/2 [110/66535] via 208.28.1.3, 00:00:03, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:00:03, Serial1/2 [110/66635] via 208.28.1.3, 00:00:03, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 180.40.7.2, 00:00:03, Serial1/2 [110/131070] via 208.28.1.3, 00:00:03, Serial1/0 [110/131070] via 208.28.1.1, 00:00:03, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:03, Serial1/0 [110/20] via 180.40.7.2, 00:00:03, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:00:04, Serial1/0 [110/66655] via 180.40.7.2, 00:00:04, Serial1/2 O 202.2.0.0/22 [110/65536] via 180.40.7.2, 00:00:04, Serial1/2 [110/65536] via 208.28.1.3, 00:00:04, Serial1/0 R3#   RACK9AS>2 [Resuming connection 2 to r2 ... ] NFIG_I: Configured from console by console R2# R2#sh run        config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rouetr     ter ospf 1 R2(config-router)#? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-metric Set maximum metric maximum-paths Forward packets over multiple paths mpls Configure MPLS routing protocol parameters neighbor Specify a neighbor router --More--   R2(config-router)#area 0 ? authentication Enable authentication default-cost Set the summary default-cost of a NSSA/stub area filter-list Filter networks between OSPF areas nssa Specify a NSSA area range Summarize routes matching address/mask (border routers only) sham-link Define a sham link and its parameters stub Specify a stub area virtual-link Define a virtual link and its parameters R2(config-router)#area 0 authq  R2(config-router)#area 0 authentication ? message-digest Use message-digest authentication R2(config-router)#area 0 authentication ,m  me R2(config-router)#area 0 authentication message-digest ? R2(config-router)#area 0 authentication message-digest R2(config-router)#area 0 authentication message-digest                               auth R2(config-router)#area 0 authentication ? message-digest Use message-digest authentication R2(config-router)#area 0 authentication *Mar 1 22:25:08.310: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from FULL to DOWN, Neighbor Down: Dead timer expired R2(config-router)#area 0 authentication me R2(config-router)#area 0 authentication message-digest ? R2(config-router)#area 0 authentication message-digest                                      ? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-metric Set maximum metric maximum-paths Forward packets over multiple paths mpls Configure MPLS routing protocol parameters neighbor Specify a neighbor router --More--   network Enable routing on an IP network no Negate a command or set its defaults passive-interface Suppress routing updates on an interface redistribute Redistribute information from another routing protocol router-id router-id for this OSPF process summary-address Configure IP address summaries timers Adjust routing timers traffic-share How to compute traffic share over alternate paths R2(config-router)#int s 0/0.2 ^ % Invalid input detected at '^' marker. R2(config)#int s 0/0.2/0.2 1/0.2 R2(config-subif)#ip ospf ? authentication Enable authentication authentication-key Authentication password (key) cost Interface cost database-filter Filter OSPF LSA during synchronization and flooding dead-interval Interval after which a neighbor is declared dead demand-circuit OSPF demand circuit flood-reduction OSPF Flood Reduction hello-interval Time between HELLO packets message-digest-key Message digest authentication password (key) mtu-ignore Ignores the MTU in DBD packets network Network type priority Router priority resync-timeout Interval after which adjacency is reset if oob-resync is not started retransmit-interval Time between retransmitting lost link state advertisements transmit-delay Link state transmit delay R2(config-subif)#ip ospf auth R2(config-subif)#ip ospf authentication ? message-digest Use message-digest authentication null Use no authentication R2(config-subif)#ip ospf authentication mes R2(config-subif)#ip ospf authentication message-digest ? R2(config-subif)#ip ospf authentication message-digest                               auth R2(config-subif)#ip ospf authenticationof R2(config-subif)#ip ospf authenticationof       R2(config-subif)#ip ospf authentication-0 R2(config-subif)#ip ospf authentication-0  R2(config-subif)#ip ospf authentication-key ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE The OSPF password (key) (maximum 8 characters) R2(config-subif)#ip ospf authentication-key                            do sh ip          do sh ip ospf Routing Process "ospf 1" with ID 2.2.2.2 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x02AF35 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) (Inactive) Number of interfaces in this area is 2 Area has message digest authentication --More--   SPF algorithm last executed 00:04:13.536 ago SPF algorithm executed 55 times Area ranges are Number of LSA 26. Checksum Sum 0x0C9196 Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 6 Flood list length 0 Area 51 Number of interfaces in this area is 2 (1 loopback) It is a NSSA area Perform type-7/type-5 LSA translation Area has no authentication SPF algorithm last executed 00:16:58.466 ago SPF algorithm executed 27 times Area ranges are Number of LSA 12. Checksum Sum 0x06C079 Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 --More--   R2(config-subif)#q do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 5.5.5.5 1 FULL/DR 00:00:31 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:33 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:54 208.28.1.2 Serial1/0.1 R2(config-subif)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#config Configuring from terminal, memory, or network [terminal]? t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#roiuter       uter ospf 1 R1(config-router)#area  0 authen mes R1(config-router)#area 0 authen message-digest R1(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:48 208.28.1.2 Serial0/0.1 R1(config-router)# *Mar 1 22:31:15.116: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:32 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:46 208.28.1.2 Serial0/0.1 R1(config-router)#int 0/0   s0/0.2 R1(config-subif)#ip ospf auth R1(config-subif)#ip ospf authentication-k R1(config-subif)#ip ospf authentication-key bosco ? LINE R1(config-subif)#ip ospf authentication-key bosco   R1(config-subif)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:38 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:32 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:34 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:55 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:36 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:30 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:32 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:53 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:34 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:38 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:30 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:51 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:33 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:37 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:39 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:50 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:32 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:35 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:37 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:49 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:30 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:36 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:47 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:39 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:32 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:34 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:46 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:37 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:31 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:33 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:44 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:36 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:30 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:32 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:43 208.28.1.2 Serial1/0.1 R2(config-subif)#shut    do sh ip ospf nei int s 1/0.2 do sh ip ospf nei shut R2(config-subif)# *Mar 1 22:32:02.553: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached R2(config-subif)#no shut R2(config-subif)#no shutshut do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 EXSTART/ - 00:00:36 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:36 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:38 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:50 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 EXSTART/ - 00:00:39 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:36 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:47 208.28.1.2 Serial1/0.1 R2(config-subif)# *Mar 1 22:32:49.061: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-subif)#ip ospf authentication-key bosco           ? message-digest Use message-digest authentication null Use no authentication R1(config-subif)#ip ospf authentication me R1(config-subif)#ip ospf authentication message-digest ? R1(config-subif)#ip ospf authentication message-digest R1(config-subif)#2 ^ % Invalid input detected at '^' marker. R1(config-subif)# R1(config-subif)# RACK9AS>2 [Resuming connection 2 to r2 ... ] R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:35 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:39 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:31 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:32 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:34 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:37 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:39 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:31 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:32 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:36 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:38 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:59 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:31 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:35 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:36 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:58 208.28.1.2 Serial1/0.1 R2(config-subif)#shut R2(config-subif)#no *Mar 1 22:33:39.728: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached R2(config-subif)#no shgut   ut R2(config-subif)# *Mar 1 22:33:54.080: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)# RACK9AS> [Resuming connection 2 to r2 ... ] R2(config-subif)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf             RACK9AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:38:01, FastEthernet0/0 4.0.0.0/32 is subnetted, 1 subnets C 4.4.4.4 is directly connected, Loopback0 R4#sh ip routerun | b router config t sh run | b routerconfig t wr config tsh run ping 200.1.1.1 sou 4.4.4.4config t sh ip routeconfig t ping 200.1.1.1 sou 4.4.4.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.1.1, timeout is 2 seconds: Packet sent with a source address of 4.4.4.4 .... RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf b vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:01:41, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:01:41, Serial1/2 [110/20] via 208.28.1.3, 00:01:41, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:39:26, FastEthernet0/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:12:38, Serial1/2 --More--   [110/65536] via 208.28.1.3, 00:12:38, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/65536] via 208.28.1.1, 00:12:39, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:12:39, Serial1/2 [110/66535] via 208.28.1.3, 00:12:39, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:12:39, Serial1/2 [110/66635] via 208.28.1.3, 00:12:39, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 208.28.1.1, 00:01:58, Serial1/0 [110/131070] via 180.40.7.2, 00:01:58, Serial1/2 [110/131070] via 208.28.1.3, 00:01:58, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:01:43, Serial1/0 [110/20] via 180.40.7.2, 00:01:43, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:01:44, Serial1/0 [110/66655] via 180.40.7.2, 00:01:44, Serial1/2 O 202.2.0.0/22 [110/65536] via 180.40.7.2, 00:12:40, Serial1/2 [110/65536] via 208.28.1.3, 00:12:40, Serial1/0 R3#sh ip routeospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#area 0 authe mes R3(config-router)#^Z R3#config tsh ip ospf vir *Mar 1 22:36:17.154: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar R1(config-subif)#do sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes auto-cost reference-bandwidth 100000 area 0 authentication message-digest area 51 nssa no-summary area 51 default-cost 10 area 200 virtual-link 3.3.3.3 redistribute connected subnets network 11.11.11.11 0.0.0.0 area 51 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! --More--  ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end R1(config-subif)#q do sh ip ospf Routing Process "ospf 1" with ID 1.1.1.1 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x05CBA6 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has message digest authentication --More--   R1(config-subif)#dosh ip ospf vir ^ % Invalid input detected at '^' marker. R1(config-subif)#dosh ip ospf virdo sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1(config-subif)#no area 0 authe R1(config-subif)#no area 0 authen R1(config-subif)#no area 0 authen                router ospf 1 R1(config-router)#nmo    o aut  rea 0 authen R1(config-router)#do sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-summary area 51 default-cost 10 area 200 virtual-link 3.3.3.3 redistribute connected subnets network 11.11.11.11 0.0.0.0 area 51 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! --More--   R1(config-router)#do sh run | b routerno area 0 authen router ospf 1 no area 0 authendo sh run | b router  RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#\ config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#no area 0 authen R3(config-router)# R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3(config-router)#do sh int s 1`/  /0 Serial1/0 is up, line protocol is up Hardware is CD2430 in sync mode Internet address is 208.28.1.2/29 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation FRAME-RELAY, loopback not set Keepalive set (10 sec) LMI enq sent 8145, LMI stat recvd 8146, LMI upd recvd 0, DTE LMI up LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0 LMI DLCI 1023 LMI type is CISCO frame relay DTE FR SVC disabled, LAPF state down Broadcast queue 0/64, broadcasts sent/dropped 322/0, interface broadcasts 94 Last input 00:00:03, output 00:00:09, output hang never Last clearing of "show interface" counters 22:37:45 Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/2/32 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth 96 kilobits/sec 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 11833 packets input, 822495 bytes, 0 no buffer --More--   R3(config-router)#do sh int s 1/0 do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 208.28.1.1, 00:04:39, Serial1/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 180.40.7.2, 00:04:39, Serial1/2 [110/20] via 208.28.1.3, 00:04:39, Serial1/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 4.0.0.0/32 is subnetted, 1 subnets O 4.4.4.4 [110/1001] via 17.80.1.2, 00:42:24, FastEthernet0/0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/65536] via 180.40.7.2, 00:15:37, Serial1/2 --More--   [110/65536] via 208.28.1.3, 00:15:37, Serial1/0 11.0.0.0/32 is subnetted, 1 subnets O IA 11.11.11.11 [110/65536] via 208.28.1.1, 00:15:37, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/66535] via 180.40.7.2, 00:15:37, Serial1/2 [110/66535] via 208.28.1.3, 00:15:37, Serial1/0 O IA 208.28.1.64/28 [110/66635] via 180.40.7.2, 00:15:37, Serial1/2 [110/66635] via 208.28.1.3, 00:15:37, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/131070] via 208.28.1.1, 00:04:56, Serial1/0 [110/131070] via 180.40.7.2, 00:04:56, Serial1/2 [110/131070] via 208.28.1.3, 00:04:56, Serial1/0 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:04:41, Serial1/0 [110/20] via 180.40.7.2, 00:04:41, Serial1/2 O E1 217.57.0.0/16 [110/66655] via 208.28.1.3, 00:04:42, Serial1/0 [110/66655] via 180.40.7.2, 00:04:42, Serial1/2 O 202.2.0.0/22 [110/65536] via 180.40.7.2, 00:15:39, Serial1/2 [110/65536] via 208.28.1.3, 00:15:39, Serial1/0 R3(config-router)#q do pin 208..28   28.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/58/60 ms R3(config-router)#do pin 208.28.1.1 3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/58/61 ms R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3(config-router)# RACK9AS>z1  1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip ospf voir   ir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1(config-router)#^Z R1#sh i *Mar 1 22:40:51.733: %SYS-5-CONFIG_I: Configured from console by console R1#sh ip ospf Routing Process "ospf 1" with ID 1.1.1.1 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x05CBA6 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More--   R1# sh ip ospf  R1# R1#sh run int s 0/0.2 Building configuration... Current configuration : 207 bytes ! interface Serial0/0.2 point-to-point bandwidth 128 ip address 180.40.7.66 255.255.255.224 ip ospf authentication message-digest ip ospf authentication-key bosco frame-relay interface-dlci 102 end R1#sh run int s 0/0.2 1 Building configuration... Current configuration : 184 bytes ! interface Serial0/0.1 point-to-point bandwidth 128 ip address 208.28.1.1 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay interface-dlci 103 end R1#deb ip ospf vir R1#deb ip ospf vir? % Unrecognized command R1#deb ip ospf vir   ? adj OSPF adjacency events database-timer OSPF database timer events OSPF events flood OSPF flooding hello OSPF hello events lsa-generation OSPF lsa generation mpls OSPF MPLS nsf OSPF non-stop forwarding events packet OSPF packets retransmission OSPF retransmission events spf OSPF spf tree OSPF database tree R1#deb ip ospf pa ? R1#deb ip ospf pa    ev ? R1#deb ip ospf ev OSPF events debugging is on R1# *Mar 1 22:42:09.993: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:09.993: OSPF: Send with youngest Key 0 *Mar 1 22:42:09.993: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:42:10.810: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:42:10.810: OSPF: End of hello processing R1# *Mar 1 22:42:16.544: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 22:42:16.544: OSPF: End of hello processing R1# *Mar 1 22:42:19.994: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:19.994: OSPF: Send with youngest Key 0 *Mar 1 22:42:19.994: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:42:20.811: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:42:20.811: OSPF: End of hello processing R1# *Mar 1 22:42:26.560: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 22:42:26.560: OSPF: End of hello processing *Mar 1 22:42:27.089: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial0/0.1 208.28.1.2 *Mar 1 22:42:27.089: OSPF: End of hello processing R1# *Mar 1 22:42:29.994: OSPF: Send hello to 208.28.1.2 area 200 on Serial0/0.1 from 208.28.1.1 *Mar 1 22:42:29.994: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:29.994: OSPF: Send with youngest Key 0 *Mar 1 22:42:29.994: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:42:30.811: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:42:30.811: OSPF: End of hello processing R1# *Mar 1 22:42:36.577: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 22:42:36.577: OSPF: End of hello processing R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# *Mar 1 22:42:39.994: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:39.998: OSPF: Send with youngest Key 0 *Mar 1 22:42:39.998: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:42:40.812: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:42:40.812: OSPF: End of hello processing R1(config)#int s 0/0.1 *Mar 1 22:42:46.593: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 22:42:46.593: OSPF: End of hello processing R1(config)#int s 0/0.1 *Mar 1 22:42:49.995: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:49.999: OSPF: Send with youngest Key 0 *Mar 1 22:42:49.999: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:42:50.812: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:42:50.812: OSPF: End of hello processing R1(config)#int s 0/0.1 2 R1(config-subif)#int s 0/0.2do sh ip ospf virrun | b routerip ospf vir int s 0/0.2   *Mar 1 22:42:56.610: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 22:42:56.610: OSPF: End of hello processing *Mar 1 22:42:57.090: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial0/0.1 208.28.1.2 *Mar 1 22:42:57.090: OSPF: End of hello processing R1(config-subif)# R1(config-subif)#^Z R1# *Mar 1 22:42:59.146: %SYS-5-CONFIG_I: Configured from console by console R1#u all All possible debugging has been turned off R1# *Mar 1 22:42:59.995: OSPF: Send hello to 208.28.1.2 area 200 on Serial0/0.1 from 208.28.1.1 *Mar 1 22:42:59.995: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 *Mar 1 22:42:59.999: OSPF: Send with youngest Key 0 *Mar 1 22:42:59.999: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 22:43:00.812: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 22:43:00.812: OSPF: End of hello processing R1#clea ip osp p Reset ALL OSPF processes? [no]: y R1# *Ma RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3#clea ip *Mar 1 22:42:17.517: %SYS-5-CONFIG_I: Configured from console by console R3#clea ip ospf p Reset ALL OSPF processes? [no]: y R3# *Mar 1 22:42:22.173: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:42:22.213: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:42:22.213: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:42:22.213: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3#yclea ip ospf p onfig t sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# *Mar 1 22:42:28.639: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R3# *Mar 1 22:42:30.775: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3#sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip ospf vir Virtual Link OSPF_VL3 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL2 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 100000 area 200 virtual-link 2.2.2.2 area 200 virtual-link 1.1.1.1 redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3#sh ip ospf Routing Process "ospf 1" with ID 3.3.3.3 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x064FC4 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 3 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0) (Inactive) Number of interfaces in this area is 2 Area has no authentication --More--   R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] r 1 22:43:09.743 R1#confi gt ^ % Invalid input detected at '^' marker. R1#iconfig t ^ % Invalid input detected at '^' marker. R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 0/0.2 R1(config-subif)#do sh run int s 0/0.2 Building configuration... Current configuration : 207 bytes ! interface Serial0/0.2 point-to-point bandwidth 128 ip address 180.40.7.66 255.255.255.224 ip ospf authentication message-digest ip ospf authentication-key bosco frame-relay interface-dlci 102 end R1(config-subif)#no ip ospf authentication message-digest R1(config-subif)#n/o ip ospf authentication-key bosco ^ % Invalid input detected at '^' marker. R1(config-subif)# ip ospf authentication-key bosco R1(config-subif)# ip ospf authentication-key boscon ip ospf authentication-key boscoo ip ospf authentication-key bosco ip ospf authentication-key bosco R1(config-subif)#^Z R1# *Mar 1 22:45:05.561: %SYS-5-CONFIG_I: Configured from console by console R1#sh run *Mar 1 22:45:18.362: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1#sh run         *Mar 1 22:45:26.640: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Dead timer expired R1#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1#oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo                                                                 RACK9AS>3 [Resuming connection 3 to r3 ... ] *M R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#no area 200 vir 1.1.1.1 R3(config-router)#no area 200 vir 1.1.1.1       2.2.2.2 R3(config-router)#do clkea i     ea ip ospf p Reset ALL OSPF processes? [no]: y R3(config-router)# *Mar 1 22:45:38.182: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:45:38.222: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:45:38.222: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:45:38.222: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:45:38.635: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 1 22:45:40.814: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:51 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:43 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:41 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:34 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:39 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:38 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:33 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:31 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:34 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:30 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:58 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:47 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:43 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:38 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:30 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:32 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:36 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:38 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:30 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:34 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:00:46 208.28.1.2 Serial0/0.1 R1# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:31 180.40.7.2 Serial1/2 1.1.1.1 0 2WAY/DROTHER 00:01:45 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 5.5.5.5 1 FULL/DR 00:00:37 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:00:30 208.28.1.2 Serial0/0.1 R1#clae     ea l  lea ip ospf pr Reset ALL OSPF processes? [no]: R1#clea ip ospf pr sh ip ospf nei clea ip ospf pr Reset ALL OSPF processes? [no]: y R1# *Mar 1 22:48:24.639: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:48:24.679: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1# *Mar 1 22:48:30.825: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1# *Mar 1 22:48:33.806: %OSPF-4-NONEIGHBOR: Received database description from unknown neighbor 3.3.3.3 R1# *Mar 1 22:48:39.227: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1#yclea ip ospf pr RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:58 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-router)#do sh ip ospf neiy do clea ip ospf pno area 200 vir 2.2.2.2 RACK9AS>2 [Resuming connection 2 to r2 ... ] * R2(config-subif)#no shutshut do sh ip ospf neino shut do sh ip ospf neishut no shut do sh run int s 1/0.2 Building configuration... Current configuration : 144 bytes ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 end R2(config-subif)#router ospf 1 R2(config-router)#no arn rea     ea 0 athen ^ % Invalid input detected at '^' marker. R2(config-router)#no area 0 athen    then      uthen R2(config-router)#^Z R2# *Mar 1 22:49:08.226: %SYS-5-CONFIG_I: Configured from console by console R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar Reset ALL OSPF processes? [no]: R1#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-summary area 51 default-cost 10 area 200 virtual-link 3.3.3.3 redistribute connected subnets network 11.11.11.11 0.0.0.0 area 51 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! --More--   R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#area 200 vir 1.1.1.1 R3(config-router)#area 200 vir 1.1.1.1       2.2.2.2 R3(config-router)#^Z R3#^Z R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#deb iu p ospf pack OSPF packet debugging is on R1#deb ip ospf pack     *Mar 1 22:51:26.614: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial0/0.2 R1#deb ip ospf as *Mar 1 22:51:30.808: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:36AF aut:0 auk: from Ethernet0/0 R1#deb ip ospf as dj OSPF adjacency events debugging is on R1# *Mar 1 22:51:33.817: OSPF: rcv. v:2 t:1 l:52 rid:3.3.3.3 aid:0.0.0.200 chk:D48 aut:0 auk: from Serial0/0.1 R1# *Mar 1 22:51:36.630: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial0/0.2 R1# *Mar 1 22:51:40.809: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:36AF aut:0 auk: from Ethernet0/0 R1# *Mar 1 22:51:46.546: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial0/0.2 R1# *Mar 1 22:51:50.809: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:36AF aut:0 auk: from Ethernet0/0 R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] *M R3#sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Virtual Link OSPF_VL4 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# [Special telnet escape help] ^^B sends telnet BREAK ^^C sends telnet IP ^^H sends telnet EC ^^O sends telnet AO ^^T sends telnet AYT ^^U sends telnet EL x1 Translating "x1" Translating "x1" % Unknown command or computer name, or unable to find computer address R3# R3# R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Mar 1 R1# R1#sh *Mar 1 22:52:30.807: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:36AF aut:0 auk: from Ethernet0/0 R1#sh     *Mar 1 22:52:33.820: OSPF: rcv. v:2 t:1 l:52 rid:3.3.3.3 aid:0.0.0.200 chk:D48 aut:0 auk: from Serial0/0.1 R1#u all All possible debugging has been turned off R1#sh ip ospf int OSPF_VL1 is down, line protocol is down Internet Address 0.0.0.0/0, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type VIRTUAL_LINK, Cost: 65535 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Serial0/0.2 is up, line protocol is up Internet Address 180.40.7.66/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type POINT_TO_POINT, Cost: 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:03 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 9 Last flood scan time is 4 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) --More--  Loopback1 is up, line protocol is up Internet Address 11.11.11.11/32, Area 51 Process ID 1, Router ID 1.1.1.1, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host Ethernet0/0 is up, line protocol is up Internet Address 208.28.1.66/28, Area 51 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 10000 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 1.1.1.1, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:06 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 4 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Designated Router) Suppress hello for 0 neighbor(s) Serial0/0.1 is up, line protocol is up Internet Address 208.28.1.1/29, Area 200 Process ID 1, Router ID 1.1.1.1, Network Type NON_BROADCAST, Cost: 65535 --More--   Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:02 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 11 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Designated Router) Suppress hello for 0 neighbor(s) R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#wr Building configuration... [OK] R3#reload Proceed with reload? [confirm]^C R3#sh run | b route router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 100000 area 200 virtual-link 2.2.2.2 area 200 virtual-link 1.1.1.1 redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#no aut R3(config-router)#no auto-cost R3(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#no auto R2(config-router)#no auto-cost R2(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#no    ropuie     outer ospf 1 R1(config-router)#no auto R1(config-router)#^Z R1#clea ip *Mar 1 22:54:58.012: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip ospf pr Reset ALL OSPF processes? [no]: y R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Marcl   R2(config-router)# *Mar 1 22:54:15.446: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-router)#do clea ip ospof   pf pro Reset ALL OSPF processes? [no]: y R2(config-router)# *Mar 1 22:54:25.659: %OSPF-5-ADJCHG: RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#do clea ip osp *Mar 1 22:54:25.110: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL5 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)#do clea ip ospf pro Reset ALL OSPF processes? [no]: *Mar 1 22:54:28.515: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done  R3(config-router)#^Z R3# *Mar 1 22:54:38.600: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done *Mar 1 22:54:38.692: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip *Mar 1 22:54:40.283: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf virt Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 1562 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Virtual Link OSPF_VL4 to router 1.1.1.1 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip ospf virt Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 1562 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 1, number of retransmission 0 First 0x83978A28(6)/0x0(0) Next 0x83978A28(6)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 4629 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 5208 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:04 Adjacency State FULL (Hello *Mar 1 22:54:55.075: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL4 from LOADING to FULL, Loading Done *Mar 1 22:54:55.351: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL5 from LOADING to FULL, Loading Donesuppressed) Index 1/5, retransmission queue length 2, number of retransmission 0 First 0x839785C8(7)/0x0(0) Next 0x839785C8(7)/0x0(0) --More--   Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 132 msec R3#config Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rouetr     ter ospf 1 R3(config-router)#auto R3(config-router)#auto-cost ? reference-bandwidth Use reference bandwidth method to assign OSPF cost R3(config-router)#auto-cost r e  R3(config-router)#auto-costre 10      R3(config-router)#auto-cost re R3(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# RACK9AS>3 1 [Resuming connection 1 to r1 ... ] *Ma R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf *Mar 1 22:57:08.161: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config)#router ospf    pf 1 R1(config-router)#router ospf 1no auto no auto o auto auto auto re R1(config-router)#auto reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)#auto reference-bandwidth 100000   % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#auto-cost reference-bandwidth 100000   % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)# R1(config-router)#auto re 1000 R1(config-router)#^Z R1# *Mar 1 22:58:25.192: %SYS-5-CONFIG_I: Configured from console by console *Mar 1 22:58:26.181: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from LOADING to FULL, Loading Done R1#cvon    confi      RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#auto-cost reference-bandwidth 10000     ? <1-4294967> The reference bandwidth in terms of Mbits per second R3(config-router)#auto-cost reference-bandwidth 4294967 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 8, number of retransmission 41 First 0x83978328(32)/0x0(0) Next 0x83978520(38)/0x0(0) Last retransmission scan length is 6, maximum is 8 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3105 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 8, number of retransmission 63 First 0x83978328(32)/0x0(0) Next 0x83978328(32)/0x0(0) --More--   R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 8, number of retransmission 57 First 0x83978328(32)/0x0(0) Next 0x83978520(38)/0x0(0) Last retransmission scan length is 6, maximum is 8 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 302 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 8, number of retransmission 70 First 0x83978328(32)/0x0(0) Next 0x83978328(32)/0x0(0) --More--   Last retransmission scan length is 8, maximum is 8 Last retransmission scan time is 0 msec, maximum is 4 msec Link State retransmission due in 1662 msec R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *M R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#rouetr     ter ospf 1 R1(config-router)#aut ref 65535     ? <1-4294967> The reference bandwidth in terms of Mbits per second R1(config-router)#aut ref 4294967 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] Process 1, Nbr 3.3.3.3 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 22:54:25.659: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Seria R2(config-router)#ydo clea ip ospf pro y  auto ref 4294967 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#auto ref 4294967       10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] * R3(config-router)#do sh ip ospf vir auto-cost reference-bandwidth 4294967       10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# RACK9AS>3 1 [Resuming connection 1 to r1 ... ] aut ref 4294967       10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#auto-cost reference-bandwidth 10000do sh ip ospf vir  Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 R3(config-router)# do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 R3(config-router)#do clea ip ospf pro Reset ALL OSPF processes? [no]: y R3(config-router)# *Mar 1 23:01:48.040: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 23:01:48.080: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 23:01:48.080: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 23:01:48.080: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 23:01:48.625: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 1 23:01:52.103: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do clea ip ospf pro Reset ALL OSPF processes? [no]: y R1(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-router)#do cle *Mar 1 23:02:16.639: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-router)#do clea ip ospf pro Reset ALL OSPF processes? [no]: y R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3# *Mar 1 23:02:24.127: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:34 17.80.1.2 FastEthernet0/0 2.2.2.2 0 EXCHANGE/ - 00:00:39 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:41 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:51 208.28.1.3 Serial1/0 R3# *Mar 1 23:02:28.266: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:36 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:47 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:26 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:36 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:33 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:24 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:35 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:17 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:28 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:16 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:26 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:30 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:32 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:11 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:22 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:30 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:10 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:20 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:08 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:19 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:33 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:04 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:15 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:02 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:13 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:30 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:31 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:01 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:11 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:00:58 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:09 208.28.1.3 Serial1/0 R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospofd     f 1 R3(config-router)#autr  to ref R3(config-router)#auto reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-router)#ydo clea ip ospf proaut ref 10000   % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-router)#ydo clea ip ospf proauto ref 10000   % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:38 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:35 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:35 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:51 208.28.1.2 Serial1/0.1 R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL4 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:57 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-router)#sh ip       do sh ip ospf nei   vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 2, maximum is 2 --More--   R3(config-router)#do sh ip ospf virneiauto reference-bandwidth 1000router ospf 1 auto reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#auto reference-bandwidth 10000do sh ip ospf vir  Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 2, maximum is 2 --More--   R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 8, number of retransmission 2 First 0x83978520(44)/0x0(0) Next 0x83978520(44)/0x0(0) Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 712 msec Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 8, number of retransmission 4 First 0x83978520(44)/0x0(0) Next 0x839789B8(51)/0x0(0) --More--   R3(config-router)#[Ado sh ip ospf virauto reference-bandwidth 10000  % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#^Z R3# RACK9AS>4 [Resuming connection 4 to r4 ... ] . Suc R4#config5 Translating "config5" Translating "config5" % Unknown command or computer name, or unable to find computer address R4#config5  t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#aut ref 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#^Z R4# RACK9AS>5 [Resuming connection 5 to r5 ... ] 22: S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router oi s[f 1 ^ % Invalid input detected at '^' marker. S5(config)#router os[f 1    pf 1 S5(config-router)#auto ref % Incomplete command. S5(config-router)#auto ref 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)#^Z S5# 23:09:56: %SYS-5-CONFIG_I: Con RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-router)#area 0 authe R1(config-router)#\  RACK9AS>2 [Resuming connection 2 to r2 ... ] *Ma R2(config-router)#area 0 authe R2(config-router)# RACK9AS>3 [Resuming connection 3 to r3 ... ] *M R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#area 0 authen R3(config-router)#do hs    sj i   h ip ospf Routing Process "ospf 1" with ID 3.3.3.3 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x09A527 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 3 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has simple password authentication --More--   SPF algorithm last executed 00:01:00.034 ago SPF algorithm executed 10 times Area ranges are Number of LSA 28. Checksum Sum 0x198C78 Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 20 Flood list length 0 Area 51 Number of interfaces in this area is 1 Area has no authentication SPF algorithm last executed 00:00:50.022 ago SPF algorithm executed 8 times Area ranges are Number of LSA 13. Checksum Sum 0x0751A4 Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 0 Flood list length 0 Area 200 Number of interfaces in this area is 2 --More--   R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 13 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 20 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) --More--   Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled R3(config-router)#do sh ip ospf int s 1/0 Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 7812 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:03 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 14 Last flood scan time is 0 msec, maximum is 8 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 1.1.1.1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) R3(config-router)#int s12/0   /0 R3(config-if)#ip ospf cos ? <1-65535> Cost R3(config-if)#ip ospf cos              RACK9AS>4 [Resuming connection 4 to r4 ... ] *Mar R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 17.80.1.1, 00:03:21, FastEthernet0/0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 17.80.1.1, 00:03:21, FastEthernet0/0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 17.80.1.1, 00:03:21, FastEthernet0/0 4.0.0.0/32 is subnetted, 1 subnets C 4.4.4.4 is directly connected, Loopback0 22.0.0.0/32 is subnetted, 1 subnets O IA 22.22.22.22 [110/7823] via 17.80.1.1, 00:03:42, FastEthernet0/0 11.0.0.0/32 is subnetted, 1 subnets --More--  O IA 11.11.11.11 [110/7823] via 17.80.1.1, 00:03:42, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:03:42, FastEthernet0/0 O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:03:22, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:03:42, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:03:42, FastEthernet0/0 O IA 180.40.7.64 [110/15634] via 17.80.1.1, 00:03:42, FastEthernet0/0 O E2 200.1.0.0/16 [110/20] via 17.80.1.1, 00:03:22, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:03:22, FastEthernet0/0 O IA 202.2.0.0/22 [110/7823] via 17.80.1.1, 00:03:42, FastEthernet0/0 R4# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#coni    ip ospf ? authentication Enable authentication authentication-key Authentication password (key) cost Interface cost database-filter Filter OSPF LSA during synchronization and flooding dead-interval Interval after which a neighbor is declared dead demand-circuit OSPF demand circuit flood-reduction OSPF Flood Reduction hello-interval Time between HELLO packets message-digest-key Message digest authentication password (key) mtu-ignore Ignores the MTU in DBD packets network Network type priority Router priority resync-timeout Interval after which adjacency is reset if oob-resync is not started retransmit-interval Time between retransmitting lost link state advertisements transmit-delay Link state transmit delay R3(config-if)#ip ospf message-digest-key ? <1-255> Key ID R3(config-if)#ip ospf message-digest-key 1 ? md5 Use MD5 algorithm R3(config-if)#ip ospf message-digest-key 1 md5 ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE The OSPF password (key) (maximum 16 characters) R3(config-if)#ip ospf message-digest-key 1 md5                          autt  then R3(config-if)#ip ospf authentication < ma  R3(config-if)#ip ospf authentication message-digest ? R3(config-if)#ip ospf authentication message-digest                                        R3# *Mar 1 23:11:51.806: %SYS-5-CONFIG_I: Configured from console by console R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/0 \          RACK9AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#int s 0/0.2 R1(config-subif)#ip ospf ? authentication Enable authentication authentication-key Authentication password (key) cost Interface cost database-filter Filter OSPF LSA during synchronization and flooding dead-interval Interval after which a neighbor is declared dead demand-circuit OSPF demand circuit flood-reduction OSPF Flood Reduction hello-interval Time between HELLO packets message-digest-key Message digest authentication password (key) mtu-ignore Ignores the MTU in DBD packets network Network type priority Router priority resync-timeout Interval after which adjacency is reset if oob-resync is not started retransmit-interval Time between retransmitting lost link state advertisements transmit-delay Link state transmit delay R1(config-subif)#ip ospf auth R1(config-subif)#ip ospf authentication- R1(config-subif)#ip ospf authentication-key ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE The OSPF password (key) (maximum 8 characters) R1(config-subif)#ip ospf authentication-key bosco R1(config-subif)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL1 2.2.2.2 0 FULL/ - 00:00:11 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:36 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:49 208.28.1.2 Serial0/0.1 R1(config-subif)#shut R1(config-subif)#no *Mar 1 23:15:30.144: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config-subif)#no shut R1(config-subif)#no shutshut do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL1 5.5.5.5 1 FULL/DR 00:00:30 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:42 208.28.1.2 Serial0/0.1 R1(config-subif)# RACK9AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-router)#int s 0/0.2 ^ % Invalid input detected at '^' marker. R2(config)#int s 0/0.2/0.2 1/0.2 R2(config-subif)#ip ospf auth R2(config-subif)#ip ospf authentication- R2(config-subif)#ip ospf authentication-key ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE The OSPF password (key) (maximum 8 characters) R2(config-subif)#ip ospf authentication-key bosco R2(config-subif)# *Mar 1 23:16:04.993: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)#router ospf 1 R2(config-router)#area 200 vir 3.3.3.3 ? authentication Set authentication type authentication-key Set authentication key dead-interval Dead router detection time hello-interval Hello packet interval message-digest-key Set message digest key retransmit-interval LSA retransmit interval transmit-delay LSA transmission delay R2(config-router)#area 200 vir 3.3.3.3 auth R2(config-router)#area 200 vir 3.3.3.3 authentication- R2(config-router)#area 200 vir 3.3.3.3 authentication-key ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE Authentication key (8 chars) R2(config-router)#area 200 vir 3.3.3.3 authentication-key bosco R2(config-router)#^Z R2# RACK9AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-subif)#router ospf 1 R1(config-router)#area 200 vir 3.3.3.3 authentication-key bosco R1(config-router)#^Z R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3(config)#dosh ip ospf vir ^ % Invalid input detected at '^' marker. R3(config)#dosh ip ospf virdo sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 13 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 20 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) --More--   Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled R3(config)#router ospf 1 R3(config-router)#arae 0    rea     ea 0 vir auth R3(config-router)#area 0 vir authen R3(config-router)#area 0 vir authen        R3(config-router)#area 0 virtual-link auth R3(config-router)#area 0 virtual-link auth    ? A.B.C.D ID (IP addr) associated with virtual link neighbor R3(config-router)#area 0 virtual-link                200 vir R3(config-router)#area 200 virtual-link auth R3(config-router)#area 200 virtual-link auth? % Unrecognized command R3(config-router)#area 200 virtual-link auth    ? A.B.C.D ID (IP addr) associated with virtual link neighbor R3(config-router)#area 200 virtual-link 1.1.1.1 authen R3(config-router)#area 200 virtual-link 1.1.1.1 authentication- R3(config-router)#area 200 virtual-link 1.1.1.1 authentication-key bosco R3(config-router)#area 200 virtual-link 1.1.1.1 authentication-key bosco1 authentication-key bosco  authentication-key bosco  authentication-key bosco  authentication-key bosco  authentication-key bosco  authentication-key bosco  authentication-key bosco 2 authentication-key bosco. authentication-key bosco2 authentication-key bosco. authentication-key bosco2 authentication-key bosco. authentication-key bosco2 authentication-key bosco R3(config-router)#do sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication area 200 virtual-link 2.2.2.2 authentication-key bosco area 200 virtual-link 1.1.1.1 authentication-key bosco redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R3(config-router)#do sh ip op spf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 13 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:08 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 20 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) --More--   R3(config-router)#int s 1/0 R3(config-if)#shut R3(config-if)# *Mar 1 23:18:41.946: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 23:18:41.946: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3(config-if)# *Mar 1 23:18:43.941: %LINK-5-CHANGED: Interface Serial1/0, changed state to administratively down *Mar 1 23:18:44.943: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down R3(config-if)# *Mar 1 23:18:47.443: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL4 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-if)#no shut R3(config-if)#^Z R3# *Mar 1 23:18:56.366: %SYS-5-CONFIG_I: Configured from console by console R3# *Mar 1 23:18:56.911: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up *Mar 1 23:18:57.912: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:36 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:42 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:42 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:36 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:13 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:13 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:11 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:11 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:33 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:09 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:09 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:01:08 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:08 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:34 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:00:51 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:51 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:00:49 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:49 208.28.1.3 Serial1/0 R3#pin 208.28.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/57/61 ms R3#pin 208.28.1.1 2 3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/58/61 ms R3#pin 208.28.1.3 pin 208.28.1.31sh ip ospf neiconfig t sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 4.4.4.4 1 FULL/DR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 N/A 0 ATTEMPT/DROTHER 00:00:27 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:27 208.28.1.3 Serial1/0 R3# RACK9AS>z 1 [Resuming connection 1 to r1 ... ] *M R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:35 208.28.1.65 Ethernet0/0 R1#deb ip ospf adj OSPF adjacency events debugging is on R1# *Mar 1 23:21:50.471: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x21A5 opt 0x52 flag 0x7 len 32 mtu 1500 state INIT *Mar 1 23:21:50.471: OSPF: 2 Way Communication to 3.3.3.3 on Serial0/0.1, state 2WAY *Mar 1 23:21:50.471: OSPF: Neighbor change Event on interface Serial0/0.1 *Mar 1 23:21:50.471: OSPF: DR/BDR election on Serial0/0.1 *Mar 1 23:21:50.475: OSPF: Elect BDR 0.0.0.0 *Mar 1 23:21:50.475: OSPF: Elect DR 3.3.3.3 *Mar 1 23:21:50.475: DR: 3.3.3.3 (Id) BDR: none *Mar 1 23:21:50.475: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x1DB7 opt 0x52 flag 0x7 len 32 *Mar 1 23:21:50.475: OSPF: NBR Negotiation Done. We are the SLAVE R1# *Mar 1 23:21:50.479: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x21A5 opt 0x52 flag 0x2 len 812 *Mar 1 23:21:51.000: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x21A6 opt 0x52 flag 0x3 len 752 mtu 1500 state EXCHANGE *Mar 1 23:21:51.004: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x21A6 opt 0x52 flag 0x0 len 32 *Mar 1 23:21:51.004: OSPF: Database request to 3.3.3.3 *Mar 1 23:21:51.004: OSPF: sent LS REQ packet to 208.28.1.2, length 48 *Mar 1 23:21:51.056: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x21A7 opt 0x52 flag 0x1 len 32 mtu 1500 state EXCHANGE *Mar 1 23:21:51.056: OSPF: Exchange Done with 3.3.3.3 on Serial0/0.1 *Mar 1 23:21:51.056: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x21A7 opt 0x52 flag 0x0 len 32 *Mar 1 23:21:51.108: OSPF: Synchronized with 3.3.3.3 on Serial0/0.1, state FULL R1# *Mar 1 23:21:51.108: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1# *Mar 1 23:21:51.613: OSPF: Build router LSA for area 200, router ID 1.1.1.1, seq 0x8000000B R1#u all All possible debugging has been turned off R1#u alldeb ip ospf adjsh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:32 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:58 208.28.1.2 Serial0/0.1 R1# RACK9AS>3 [Resuming connection 3 to r3 ... ] *Mar 1 23:20:54.912: %OSPF R3#sh ip ospf neipin 208.28.1.3sh ip ospf nei *Mar 1 23:21:11.094: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL4 from LOADING to FULL, Loading Done R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL5 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL4 4.4.4.4 1 FULL/DR 00:00:34 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:49 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3#sh ip ospf vir Virtual Link OSPF_VL5 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:04 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 14 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 7 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled Virtual Link OSPF_VL4 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) --More--   Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Simple password authentication enabled R3# RACK9AS>1 [Resuming connection 1 to r1 ... ] * R1#sh run | b interface Serail   ial1/  0/0.1 interface Serial0/0.1 point-to-point bandwidth 128 ip address 208.28.1.1 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point bandwidth 128 ip address 180.40.7.66 255.255.255.224 ip ospf authentication-key bosco frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 --More--   router-id 1.1.1.1 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication area 51 nssa no-summary area 51 default-cost 10 area 200 virtual-link 3.3.3.3 authentication-key bosco redistribute connected subnets network 11.11.11.11 0.0.0.0 area 51 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! --More--   R1# RACK9AS>2 [Resuming connection 2 to r2 ... ] * R2#sh run | b interface Serial1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network non-broadcast ip ospf priority 0 frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf authentication-key bosco ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown --More--  ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication area 51 nssa no-summary --More--   area 200 virtual-link 3.3.3.3 authentication-key bosco --More--   redistribute connected subnets --More--   network 22.22.22.22 0.0.0.0 area 51 --More--   network 180.40.7.2 0.0.0.0 area 200 --More--   network 180.40.7.65 0.0.0.0 area 0 --More--   network 202.2.2.2 0.0.0.0 area 200 --More--   network 208.28.1.3 0.0.0.0 area 200 --More--   network 208.28.1.129 0.0.0.0 area 51 --More--  ! --More--  ip classless --More--  ! --More--   R2# RACK9AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication area 200 virtual-link 2.2.2.2 authentication-key bosco area 200 virtual-link 1.1.1.1 authentication-key bosco redistribute connected subnets network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R3#