=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2006.05.16 15:54:32 =~=~=~=~=~=~=~=~=~=~=~= R3# R3# R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#sh ip    ruin      n int s 0/0.1 Building configuration... Current configuration : 118 bytes ! interface Serial0/0.1 point-to-point ip address 208.28.1.1 255.255.255.248 frame-relay interface-dlci 103 end R1#sh run int s 0/0.1 2 Building configuration... Current configuration : 119 bytes ! interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 end R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router spf     ospf 1 R1(config-router)#route R1(config-router)#router-id 1 .1.1.1.1.1.1  R1(config-router)#net 208.28.1.1 0.0.0.0 area 200 R1(config-router)#\ net 208.28.1.1 0.0.0.0 area 2000 0 .1 0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0  0.0.0.0 area 0 1 0.0.0.0 area 08 0.0.0.0 area 00 0.0.0.0 area 0. 0.0.0.0 area 04 0.0.0.0 area 00 0.0.0.0 area 0. 0.0.0.0 area 07 0.0.0.0 area 0. 0.0.0.0 area 06 0.0.0.0 area 06 0.0.0.0 area 0 R1(config-router)# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#rout R2(config-router)#router-id 2.2.2.2 R2(config-router)#net 208.02  28.1.. 3 0.0.0.0 aea    rea 0 200 R2(config-router)#net 180.40.7.65 0.0.0.0 area 0 R2(config-router)# RACK10AS#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)#route R3(config-router)#router-id 3.3.3.3 R3(config-router)#net 208.28.1.2 0.0.0.0 area 200 R3(config-router)# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1(config-router)#int s 0/0.1 R1(config-subif)#i ospf       p ospf pri 0 R1(config-subif)# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 1/0.1 R2(config-subif)#ip ospf pri 0 R2(config-subif)#do sh run | b int     1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf priority 0 frame-relay interface-dlci 203 ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 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--   R2(config-subif)#no frame-relay interface-dlci 203 R2(config-subif)#fram map ip 208.287.  .1.2 203 bro R2(config-subif)#int fram map ip 208.28.1.2 203 brono frame-relay interface-dlci 203do sh run | b 1/0.1  ip ospf pri 0 nt s 1/0.1  2 R2(config-subif)#ip ospf ne po R2(config-subif)#ip ospf ne point-to-p R2(config-subif)#ip ospf ne point-to-point R2(config-subif)# *Mar 1 06:39:41.807: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma R1(config-subif)#ip ospf pri 0nt s 0/0.1 p ospf pri 0 ip ospf net no R1(config-subif)#ip ospf net non-broadcast R1(config-subif)# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(config-router)#int s 1/0 R3(config-if)#no i fram inv R3(config-if)#no fram inverse-arp R3(config-if)#fram map ip 208.28.1.1 301 bro R3(config-if)#fr ram map ip 208.28.1.1 301 bro     R3(config-if)#fram map ip 208.28.1.1 301 2 302 2 302 R3(config-if)#router ospf 1 R3(config-router)#nei R3(config-router)#neighbor 208.28.1.1 R3(config-router)#neighbor 208.28.1.1 3 R3(config-router)#neighbor 208.28.1.3 int s 1/0 R3(config-if)#int s 1/0neighbor 208.28.1.31router ospf 1 fram map ip 208.28.1.2 302nfram map ip 208.28.1.2 302ofram map ip 208.28.1.2 302 fram map ip 208.28.1.2 302 R3(config-if)#no fram map ip 208.28.1.2 302int s 1/0 no fram map ip 208.28.1.2 302 302 3 302no fram map ip 208.28.1.3 302 o fram map ip 208.28.1.3 302  R3(config-if)# *Mar 1 06:42:01.829: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done *Mar 1 06:42:01.853: %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 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, FastEthernet0/0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/845] via 208.28.1.1, 00:00:22, Serial1/0 R3(config-if)#do sh ip route ^Z R3#sh *Mar 1 06:43:06.259: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 71 0x80000003 0x002ADF 1 2.2.2.2 2.2.2.2 71 0x80000003 0x00939C 1 3.3.3.3 3.3.3.3 71 0x80000002 0x0038F2 1 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 71 0x80000001 0x0035F3 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 180.40.7.64 1.1.1.1 521 0x80000001 0x00549F 180.40.7.64 2.2.2.2 474 0x80000001 0x0051CE R3#  =sh ip ospf data sum R3#sh ip ospf data summary ? A.B.C.D Link state ID (as an IP address) adv-router Advertising Router link states internal Internal LSA information self-originate Self-originated link states | Output modifiers R3#sh ip ospf data summary 2.2.2.2 OSPF Router with ID (3.3.3.3) (Process ID 1) R3#sh ip ospf data summary 2.2.2.2       ? A.B.C.D Link state ID (as an IP address) adv-router Advertising Router link states internal Internal LSA information self-originate Self-originated link states | Output modifiers R3#sh ip ospf data summary 180.40.7.34 OSPF Router with ID (3.3.3.3) (Process ID 1) R3#sh ip ospf data summary 180.40.7.34           2.2.2.2   summary 2.2.2.2180.40.7.34  64 OSPF Router with ID (3.3.3.3) (Process ID 1) Summary Net Link States (Area 200) Routing Bit Set on this LSA LS age: 582 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 180.40.7.64 (summary Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000001 Checksum: 0x549F Length: 28 Network Mask: /27 TOS: 0 Metric: 64 --More--   Routing Bit Set on this LSA LS age: 535 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 180.40.7.64 (summary Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x51CE Length: 28 Network Mask: /27 TOS: 0 Metric: 781 R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Mar R1(config-subif)#do sh int s 1 0/0.1 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-subif)# RACK10AS#2 [Resuming connection 2 to r2 ... ] *M R2(config-subif)#s do sh int s 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)# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1(config-subif)#band 128 R1(config-subif)#band 128do sh int s 0/0.1 2 Serial0/0.2 is up, line protocol is up Hardware is PowerQUICC Serial Internet address is 180.40.7.66/27 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-subif)#do sh int s 0/0.2band 128  R1(config-subif)#band 128do sh int s 0/0.2band 128 do sh int s 0/0.1ip ospf net non-broadcast pri 0 nt s 0/0.1  2 R1(config-subif)#int s 0/0.2band 128  R1(config-subif)# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf data summary 180.40.7.64 OSPF Router with ID (3.3.3.3) (Process ID 1) Summary Net Link States (Area 200) Routing Bit Set on this LSA LS age: 4 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 180.40.7.64 (summary Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000002 Checksum: 0x6DB5 Length: 28 Network Mask: /27 TOS: 0 Metric: 781 --More--   Routing Bit Set on this LSA LS age: 627 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 180.40.7.64 (summary Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000001 Checksum: 0x51CE Length: 28 Network Mask: /27 TOS: 0 Metric: 781 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, FastEthernet0/0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:09, Serial1/0 [110/1562] via 208.28.1.3, 00:00:09, Serial1/0 R3#   R3# R3# R3# R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1(config-subif)#^Z R1#sh run | *Mar 1 06:47:39.102: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b 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 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 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 R1# R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2(config-subif)#^Z R2#sh run | *Mar 1 06:47:23.011: %SYS-5-CONFIG_I: Configured from console by console R2#sh run | b 1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 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 --More--   R2# sh run | b 1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 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 --More--   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 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 ! ip classless ! --More--   R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh run | b 1/0 interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 frame-relay map ip 208.28.1.3 302 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 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)#int     router ospf 1 R3(config-router)#no nei 208.28.1.1 R3(config-router)#no nei 208.28.1.1 3 R3(config-router)# *Mar 1 06:49:29.956: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from FULL to DOWN, Neighbor Down: Neighbor deconfigured R3(config-router)#int *Mar 1 06:49:31.334: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from FULL to DOWN, Neighbor Down: Neighbor deconfigured R3(config-router)#int s 1/0 R3(config-if)#do sh ruin    nm    inmt *Mar 1 06:49:41.290: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#do sh run inmt    t s 1/0 Building configuration... Current configuration : 209 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 frame-relay map ip 208.28.1.3 302 no frame-relay inverse-arp end R3(config-if)#n  frame-relay map ip 208.28.1.1 301 bro R3(config-if)# *Mar 1 06:49:54.464: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)# frame-relay map ip 208.28.1.3 302 bro R3(config-if)#ip ospf net bro R3(config-if)#ip ospf net broadcast R3(config-if)# *Mar 1 06:50:49.097: %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 06:50:49.097: %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 h R3(config-if)#ip ospf hello-interval 30 R3(config-if)#~ip ospf hello-interval 30nip ospf hello-interval 30oip ospf hello-interval 30 ip ospf hello-interval 30 R3(config-if)#do db ip       sh    deb ip ospf pack OSPF packet debugging is on R3(config-if)# *Mar 1 06:51:34.275: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)# *Mar 1 06:51:34.800: OSPF: rcv. v:2 t:4 l:64 rid:1.1.1.1 aid:0.0.0.200 chk:F2F7 aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:36.122: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:F4F aut:0 auk: from Serial1/0 *Mar 1 06:51:36.792: OSPF: rcv. v:2 t:5 l:44 rid:1.1.1.1 aid:0.0.0.200 chk:F4D8 aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:37.332: OSPF: rcv. v:2 t:5 l:44 rid:2.2.2.2 aid:0.0.0.200 chk:19D4 aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:39.576: OSPF: rcv. v:2 t:4 l:64 rid:1.1.1.1 aid:0.0.0.200 chk:F2F3 aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:42.140: OSPF: rcv. v:2 t:5 l:44 rid:2.2.2.2 aid:0.0.0.200 chk:E122 aut:0 auk: from Serial1/0 *Mar 1 06:51:42.172: OSPF: rcv. v:2 t:5 l:64 rid:1.1.1.1 aid:0.0.0.200 chk:3DE aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:44.556: OSPF: rcv. v:2 t:4 l:64 rid:1.1.1.1 aid:0.0.0.200 chk:F2EE aut:0 auk: from Serial1/0 R3(config-if)# *Mar 1 06:51:49.268: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.200 chk:1151 aut:0 auk: from Serial1/0 R3(config-if)#doi   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 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 2 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 Suppress hello for 0 neighbor(s) R3(config-if)# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma R1#sh r ip in  op spf int s 0/0.1 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: 781 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 00:00:07 Index 1/1, 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 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Designated Router) Suppress hello for 0 neighbor(s) 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 router 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 0. Checksum Sum 0x000000 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 2. 2 normal 0 stub 0 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 1 Area has no authentication SPF algorithm last executed 00:06:49.182 ago SPF algorithm executed 6 times --More--   Area ranges are --More-- *Mar 1 06:53:26.880: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Dead timer expired --More--   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 R1# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Ma R3(config-if)#do sh ip osp f  f nei R3(config-if)#do deb ip ospf eve OSPF events debugging is on R3(config-if)# *Mar 1 06:53:30.358: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3(config-if)# *Mar 1 06:53:40.358: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3(config-if)#do deb ip ospf eve   *Mar 1 06:53:50.358: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3(config-if)#do deb ip ospf e   adj OSPF adjacency events debugging is on R3(config-if)# *Mar 1 06:54:00.359: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3(config-if)# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Mar R2#deb ip ospf adj OSPF adjacency events debugging is on R2#deb ip ospf adj R2#deb ip ospf adj  R2#deb ip ospf adj  R2#deb ip ospf adj  R2#deb ip ospf adj  R2#deb ip ospf adj  R2#deb ip ospf adj  R2#deb ip ospf adj  ? adj R2#deb ip ospf adj   eve OSPF events debugging is on R2#deb ip ospf eve   p *Mar 1 06:54:40.216: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2#deb ip ospf pac OSPF packet debugging is on R2# *Mar 1 06:54:42.019: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 06:54:42.019: OSPF: End of hello processing R2# *Mar 1 06:54:44.251: OSPF: rcv. v:2 t:1 l:44 rid:3.3.3.3 aid:0.0.0.200 chk:13BA aut:0 auk: from Serial1/0.1 *Mar 1 06:54:44.251: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:54:44.251: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:54:44.251: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2#deb ip ospf pac *Mar 1 06:54:50.217: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2#deb ip ospf pac u al *Mar 1 06:54:52.152: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 06:54:52.156: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 06:54:52.156: OSPF: End of hello processing R2#u all All possible debugging has been turned off R2# *Mar 1 06:54:54.267: OSPF: rcv. v:2 t:1 l:44 rid:3.3.3.3 aid:0.0.0.200 chk:13BA aut:0 auk: from Serial1/0.1 *Mar 1 06:54:54.267: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:54:54.267: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:54:54.267: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2#u all All possible debugging has been turned off R2#deb ip ospf adj OSPF adjacency events debugging is on R2#u all All possible debugging has been turned off R2#deb ip ospf pack OSPF packet debugging is on R2# *Mar 1 06:55:54.266: OSPF: rcv. v:2 t:1 l:44 rid:3.3.3.3 aid:0.0.0.200 chk:13BA aut:0 auk: from Serial1/0.1 R2#u all All possible debugging has been turned off R2#u alldeb ip ospf pack    eve OSPF events debugging is on R2# *Mar 1 06:56:04.282: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:56:04.282: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:56:04.282: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2# *Mar 1 06:56:10.220: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 06:56:12.083: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 06:56:12.083: OSPF: End of hello processing R2# *Mar 1 06:56:14.298: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:56:14.298: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:56:14.298: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2# *Mar 1 06:56:20.220: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 06:56:22.111: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 06:56:22.111: OSPF: End of hello processing R2# *Mar 1 06:56:24.215: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:56:24.215: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:56:24.215: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2# *Mar 1 06:56:30.221: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 06:56:32.160: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 06:56:32.160: OSPF: End of hello processing R2#u all All possible debugging has been turned off R2# *Mar 1 06:56:34.231: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 06:56:34.231: OSPF: Mismatched hello parameters from 208.28.1.2 *Mar 1 06:56:34.231: OSPF: Dead R 40 C 120, Hello R 10 C 30 Mask R 255.255.255.248 C 255.255.255.248 R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Ma R3(config-if)#do deb ip ospf adjevesh ip ospf nei  *Mar 1 06:56:40.365: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3(config-if)#do sh ip ospf neiint s 1/0deb ip ospf pack no ip ospf hello-interval 30no ip ospf hello-interval 30  ip ospf hello-interval 30  R3(config-if)#^Z R3# *Mar 1 06:56:52.309: %SYS-5-CONFIG_I: Configured from console by console R3#ua  all All possible debugging has been turned off R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3#sh ip ospf nei R3# *Mar 1 06:57:16.508: %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 FULL/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3# *Mar 1 06:57:21.757: %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, FastEthernet0/0 208.28.1.0/29 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, FastEthernet0/0 208.28.1.0/29 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, FastEthernet0/0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:02, Serial1/0 [110/1562] via 208.28.1.3, 00:00:02, Serial1/0 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, FastEthernet0/0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:00:18, Serial1/0 [110/1562] via 208.28.1.3, 00:00:18, Serial1/0 R3#sh ip routeospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:57 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:43 208.28.1.3 Serial1/0 R3#sg   h 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 00:00:13 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 2 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 Suppress hello for 0 neighbor(s) R3#sh run | b 1/0 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 ! 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 --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 3.3.3.3 log-adjacency-changes network 208.28.1.2 0.0.0.0 area 200 ! 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)#int lo 0 R3(config-if)#ip add 3.3.3.3 255.255.255.l0  0 R3(config-if)#router ospf 1 R3(config-router)#re5dis    dis R3(config-router)#redistribute con R3(config-router)#redistribute connected su R3(config-router)#redistribute connected subnets R3(config-router)# RACK10AS#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 add 2.2.2.2 255.255.255.09 Bad mask 0xFFFFFF09 for address 2.2.2.2 R2(config-if)#ip add 2.2.2.2 255.255.255.09  R2(config-if)#router ospf 1 R2(config-router)#rius  d ed   ed R2(config-router)#redistribute con R2(config-router)#redistribute connected su R2(config-router)#redistribute connected subnets R2(config-router)#^Z R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3# RACK10AS#1 [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)#redispo  R1(config-router)#redisp  R1(config-router)#redistribute con R1(config-router)#redistribute connected s   % Only classful networks will be redistributed R1(config-router)#int lo 0 R1(config-if)#ip add 1.1.1.1 244.   5.5  5.255.255.0 R1(config-if)#^Z R1# *Mar 1 07:05:35.964: %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 E2 17.80.1.0 [110/20] via 208.28.1.2, 00:01:27, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:27, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:27, Serial0/0.1 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:27, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 180.40.7.65, 00:01:28, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:28, Serial0/0.1 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 E2 180.40.7.0 [110/20] via 208.28.1.2, 00:01:28, Serial0/0.1 [110/20] via 180.40.7.65, 00:01:28, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:28, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar 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 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:01:43, Serial1/0 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:01:43, 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 [110/1562] via 208.28.1.1, 00:01:54, Serial1/0 [110/1562] via 208.28.1.3, 00:01:54, Serial1/0 R3# RACK10AS#1` % Unknown command or computer name, or unable to find computer address RACK10AS#1`  [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)#router ospf 1ip add 1.1.1.1 255.255.255.0nt lo 0 redistribute connected su R1(config-router)#redistribute connected subnets R1(config-router)#^Z R1# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:00:03, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:03:40, Serial1/0 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 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, 00:03:41, 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--   R3#^x1 % Unknown command or computer name, or unable to find computer address R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b loo   Lo interface Loopback0 ip address 1.1.1.1 255.255.255.0 ! interface Ethernet0/0 ip address 208.28.1.66 255.255.255.240 half-duplex ! interface Serial0/0 no ip address 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 --More--  ! 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 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 ! ! ! ! --More--   R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *M R2#sh run | b Lo interface Loopback0 ip address 2.2.2.2 255.255.255.0 ! 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 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 --More--   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 ! ip classless --More--   R2#^x3 % Unknown command or computer name, or unable to find computer address R2# R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh run | b Lo interface Loopback0 ip address 3.3.3.3 255.255.255.0 ! 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 broadcast --More--   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 ! 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 --More--  ! 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# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#pin 22 .2.2.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 88/98/112 ms R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#rouetr     ter ospf 1 R1(config-router)#router ospf 1edistribute connected subnets ta R1(config-router)#redistribute connected subnets tag 1 R1(config-router)#^Z R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rotuer      ter     uter ospf 1 R2(config-router)#reids   R2(config-router)#rei  R2(config-router)#redistribute con sun R2(config-router)#redistribute con sunta R2(config-router)#redistribute con sunta    R2(config-router)#redistribute con subnets t R2(config-router)#redistribute con subnets tag ? <0-4294967295> 32-bit tag value R2(config-router)#redistribute con subnets tag 2.2.2.2 ^ % Invalid input detected at '^' marker. R2(config-router)#redistribute con subnets tag 2.2.2.2       R2(config-router)#^Z R2# *Mar 1 07:11:48.878: %SYS-5-CONFIG_I: Configured from con RACK10AS#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)#red con sub tasg 3 ^ % Invalid input detected at '^' marker. R3(config-router)#red con sub tasg 3g 3  R3(config-router)#^Z R3#h *Mar 1 07:11:59.961: %SYS-5-CONFIG_I: Configured from console by console R3#h sh ip route 1.1.1.1 Routing entry for 1.1.1.0/24 Known via "ospf 1", distance 110, metric 20 Tag 1, type extern 2, forward metric 781 Last update from 208.28.1.1 on Serial1/0, 00:01:00 ago Routing Descriptor Blocks: * 208.28.1.1, from 1.1.1.1, 00:01:00 ago, via Serial1/0 Route metric is 20, traffic share count is 1 R3# R3# R3# R3#sh ipo    ospf data 1.1.1.11.1.1.1         OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 621 0x8000000B 0x00B976 1 2.2.2.2 2.2.2.2 639 0x80000008 0x008F99 1 3.3.3.3 3.3.3.3 676 0x80000009 0x0030F1 1 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 955 0x80000008 0x0027FA Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 180.40.7.64 1.1.1.1 1660 0x80000002 0x006DB5 180.40.7.64 2.2.2.2 314 0x80000002 0x004FCF Summary ASB Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 614 0x80000001 0x00AE71 2.2.2.2 1.1.1.1 636 0x80000001 0x009E81 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 1.1.1.1 140 0x80000002 0x00B5E1 1 2.2.2.0 2.2.2.2 99 0x80000002 0x00850A 2 3.3.3.0 3.3.3.3 83 0x80000002 0x005532 3 17.80.1.0 3.3.3.3 83 0x80000002 0x001519 3 180.40.7.0 2.2.2.2 99 0x80000002 0x00B61A 2 180.40.7.0 3.3.3.3 83 0x80000002 0x00AA21 3 208.28.1.64 1.1.1.1 140 0x80000002 0x000675 1 208.28.1.128 2.2.2.2 99 0x80000002 0x00172F 2 R3#sh ip ospf data           route ? Hostname or A.B.C.D Network to display information about or hostname bgp Border Gateway Protocol (BGP) connected Connected dhcp Show routes added by DHCP Server or Relay eigrp Enhanced Interior Gateway Routing Protocol (EIGRP) isis ISO IS-IS list IP Access list mobile Mobile routes odr On Demand stub Routes ospf Open Shortest Path First (OSPF) profile IP routing table profile rip Routing Information Protocol (RIP) static Static routes summary Summary of all routes supernets-only Show supernet entries only vrf Display routes from a VPN Routing/Forwarding instance | Output modifiers R3#sh ip route ospf ? <1-65535> Process ID | Output modifiers R3#sh ip route ospf            ta R3#sh ip ta? % Unrecognized command R3#sh ip ta     tag? tag-switching R3#sh tag      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 8. Checksum Sum 0x032315 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 200 Number of interfaces in this area is 1 Area has no authentication --More--   R3#[Aqsh ip ospf rospf oospf uospf tospf eospf  ospf  1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:03:36, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:02:55, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:02:55, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:03:36, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.64 [110/1562] via 208.28.1.1, 00:11:32, Serial1/0 [110/1562] via 208.28.1.3, 00:11:32, Serial1/0 R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Mar R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes redistribute connected subnets tag 1 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 ! --More--   R1#confi gt ^ % Invalid input detected at '^' marker. R1#confi gt  t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ps f    ospf 1 R1(config-router)#net 208.28.1.66 00 .0.0.0 area 51 R1(config-router)# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#rotuer      uter ospf 1 S5(config-router)#rout S5(config-router)#router-id 5.5.5.5 S5(config-router)#net 208.28.1.645  5 0.0.0.0. a    area 51 S5(config-router)#net 208.28.1.130 0.0.0.0 area 51 S5(config-router)#router rip S5(config-router)#ver 2 S5(config-router)#net 17.57.100. 217.57.100.17.57.100.0 S5(config-router)#net 217.57.100.0 1 S5(config-router)#no auto S5(config-router)#no auto-summary S5(config-router)#router        red   S5(config-router)#redistribute ospf 1 ? match Redistribution of OSPF routes metric Metric for redistributed routes route-map Route map reference vrf VPN Routing/Forwarding Instance S5(config-router)#redistribute ospf 1 met 3 S5(config-router)#router ospf 1 S5(config-router)#red  S5(config-router)#red   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 S5(config-router)# RACK10AS#6 [Resuming connection 6 to r6 ... ] S6#confi g ^ % Invalid input detected at '^' marker. S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#router op  rip S6(config-router)#ver 2 S6(config-router)#no autt ^ % Invalid input detected at '^' marker. S6(config-router)#no autt  S6(config-router)#net 217.57.100.0 S6(config-router)#net 200.1.t1.01.0  S6(config-router)#net 200.1.1.0.0 2.0 S6(config-router)#net 200.1.2.0 3 S6(config-router)#net 200.1.2.3   3.0 S6(config-router)#^Z S6# 07:25:30: %SYS-5-CONFIG_I: Configured from console by console RACK10AS#5 [Resuming connection 5 to r5 ... ] 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 not set R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:11, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:11, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:11, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/29 is directly connected, Vlan10 S5(config-router)# RACK10AS#2 [Resuming connection 2 to r2 ... ] console R2# 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 1 R2(config-router)#net 208.28.1.129 0.0.0.0 area 51 R2(config-router)#net 180.40.7.2 0.0.0.0 area 2000  R2(config-router)#\  *Mar 1 07:23:06.193: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on FastEthernet0/1 from LOADING to FULL, Loading Done R2(config-router)#^Z R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#routr    ter ospf 1 R3(config-router)#net 21 \33634+4           t 180.40.7.3 . 0.0.0.0 area 200 R3(config-router)#net *Mar 1 07:23:30.773: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3(config-router)#net 17~80.40.7.3 0.0.0.0 area 200~~~~~ \                                 ~~  7.80.1.1 0.0.0.0.  area 51 R3(config-router)# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 0 R4(config-if)#ip add 200.1.0.1 255.255.255.0 R4(config-if)#router ospf 1 R4(config-router)#route R4(config-router)#router-id 4.4.4.4 R4(config-router)#net 170 .80.1.2 0.0.0.0 area 51 R4(config-router)# *Mar 1 07:31:25.954: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on FastEthernet0/0 from LOADING to FULL, Loading Done R4(config-router)#^Z R4#sh *Mar 1 07:31:31.398: %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 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:02, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 R4#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 1 FULL/DR 00:00:35 17.80.1.1 FastEthernet0/0 R4#sh ip opo f     sf     spf data OSPF Router with ID (4.4.4.4) (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 56 0x80000002 0x00B29E 1 4.4.4.4 4.4.4.4 55 0x80000002 0x006EDB 1 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.1 3.3.3.3 56 0x80000001 0x00BDF0 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 1.1.1.1 1129 0x80000002 0x00B5E1 1 2.2.2.0 2.2.2.2 1088 0x80000002 0x00850A 2 3.3.3.0 3.3.3.3 1072 0x80000002 0x005532 3 200.1.1.0 5.5.5.5 470 0x80000001 0x00625A 5 200.1.2.0 5.5.5.5 467 0x80000001 0x005764 5 200.1.3.0 5.5.5.5 459 0x80000001 0x004C6E 5 --More--  217.57.100.0 5.5.5.5 511 0x80000001 0x009C73 5 R4#sh ip ospf datanei 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 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:02:28, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 R4# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#area 200 1.1.1.1       vi 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)# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/29 is subnetted, 1 subnets O IA 208.28.1.0 [110/782] via 17.80.1.1, 00:00:08, FastEthernet0/0 180.40.0.0/27 is subnetted, 1 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:00:08, FastEthernet0/0 R4#   RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(config-router)#do 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 00:00:07 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 00:00:01 R3(config-router)# RACK10AS#1 [Resuming connection 1 to r1 ... ] *M R1(config-router)#area 200          do sh log *Mar 1 07:35:06.546: %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)#do sh log Syslog logging: enabled (0 messages dropped, 1 messages rate-limited, 0 flushes, 0 overruns, xml disabled) Console logging: level debugging, 46 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, 51 message lines logged R1(config-router)# *Mar 1 07:35:16.546: %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)# RACK10AS#z3 Translating "z3" Translating "z3" % Unknown command or computer name, or unable to find computer address RACK10AS# [Resuming connection 1 to r1 ... ] R1(config-router)# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(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 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:02:33, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:02:33, Serial1/0 [110/20] via 180.40.7.2, 00:02:33, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.1.0/24 [110/20] via 208.28.1.3, 00:02:33, Serial1/0 [110/20] via 180.40.7.2, 00:02:34, Serial1/2 O E2 200.1.2.0/24 [110/20] via 208.28.1.3, 00:02:34, Serial1/0 [110/20] via 180.40.7.2, 00:02:34, Serial1/2 --More--  O E2 217.57.100.0/24 [110/20] via 208.28.1.3, 00:02:34, Serial1/0 [110/20] via 180.40.7.2, 00:02:34, Serial1/2 O E2 200.1.3.0/24 [110/20] via 208.28.1.3, 00:02:34, Serial1/0 [110/20] via 180.40.7.2, 00:02:34, Serial1/2 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 208.28.1.3, 00:02:34, Serial1/0 [110/782] via 180.40.7.2, 00:02:34, Serial1/2 O IA 208.28.1.64/29 [110/783] via 208.28.1.3, 00:02:34, Serial1/0 [110/783] via 180.40.7.2, 00:02:34, Serial1/2 O IA 208.28.1.64/28 [110/791] via 208.28.1.1, 00:02:34, 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 [110/1562] via 208.28.1.1, 00:02:34, Serial1/0 [110/1562] via 208.28.1.3, 00:02:34, Serial1/0 [110/1562] via 180.40.7.2, 00:02:34, Serial1/2 R3(config-router)# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:02:39, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:02:39, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:02:39, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/29 is subnetted, 1 subnets O IA 208.28.1.0 [110/782] via 17.80.1.1, 00:02:41, FastEthernet0/0 180.40.0.0/27 is subnetted, 1 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:02:41, FastEthernet0/0 R4#  sh ip ospf data OSPF Router with ID (4.4.4.4) (Process ID 1) Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 170 0x80000003 0x00B39B 1 4.4.4.4 4.4.4.4 354 0x80000002 0x006EDB 1 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.1 3.3.3.3 355 0x80000001 0x00BDF0 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 170 0x80000001 0x00B5A6 208.28.1.0 3.3.3.3 170 0x80000001 0x00AB8E Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum --More--  1.1.1.1 3.3.3.3 170 0x80000001 0x00908B 2.2.2.2 3.3.3.3 171 0x80000001 0x0062B5 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 1.1.1.1 1429 0x80000002 0x00B5E1 1 2.2.2.0 2.2.2.2 1388 0x80000002 0x00850A 2 3.3.3.0 3.3.3.3 1372 0x80000002 0x005532 3 200.1.1.0 5.5.5.5 770 0x80000001 0x00625A 5 200.1.2.0 5.5.5.5 767 0x80000001 0x005764 5 200.1.3.0 5.5.5.5 759 0x80000001 0x004C6E 5 217.57.100.0 5.5.5.5 811 0x80000001 0x009C73 5 R4#sh ip ospf data sum 1.1.1.1 OSPF Router with ID (4.4.4.4) (Process ID 1) R4#sh ip ospf data sum 1.1.1.1  RACK10AS#1 [Resuming connection 1 to r1 ... ] *M R1(config-router)# R1(config-router)#area *Mar 1 07:36:16.545: %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 2100   00 vir 3.3.3.3 R1(config-router)#^Z R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router po  oi  ospf 1 R2(config-router)#area 200 vir *Mar 1 07:35:40.922: %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# RACK10AS#3 [Resuming connection 3 to r3 ... ] *M R3(config-router)#^Z R3#sh i *Mar 1 07:35:43.086: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ossp  pf 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 0, number of retransmission 1 First 0x83BD07D8(1)/0x0(0) Next 0x83BD07D8(1)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More-- *Mar 1 07:35:47.349: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Done --More--   Last retransmission scan time is 0 msec, maximum is 0 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 00:00:01 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) 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--   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/BDR 00:00:34 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 00:01:45 208.28.1.3 Serial1/0 R3# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:36, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:36, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:36, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 O E2 200.1.1.0/24 [110/20] via 17.80.1.1, 00:00:37, FastEthernet0/0 O E2 200.1.2.0/24 [110/20] via 17.80.1.1, 00:00:37, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 17.80.1.1, 00:00:37, FastEthernet0/0 O E2 200.1.3.0/24 [110/20] via 17.80.1.1, 00:00:37, FastEthernet0/0 --More--   208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks O IA 208.28.1.128/27 [110/783] via 17.80.1.1, 00:00:42, FastEthernet0/0 O IA 208.28.1.64/29 [110/784] via 17.80.1.1, 00:00:42, FastEthernet0/0 O IA 208.28.1.64/28 [110/792] via 17.80.1.1, 00:00:46, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:04:33, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:04:33, FastEthernet0/0 O IA 180.40.7.64 [110/1563] via 17.80.1.1, 00:00:52, FastEthernet0/0 R4# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.65 Serial0/0.2 3.3.3.3 1 FULL/DR 00:01:56 208.28.1.2 Serial0/0.1 R1#deb ip ospfd    eve OSPF events debugging is on R1# *Mar 1 07:38:11.501: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial0/0.1 208.28.1.2 *Mar 1 07:38:11.501: OSPF: End of hello processing *Mar 1 07:38:11.746: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 07:38:11.746: OSPF: End of hello processing *Mar 1 07:38:12.327: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 R1# *Mar 1 07:38:14.326: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0.2 from 180.40.7.66 *Mar 1 07:38:14.863: OSPF: Send hello to 208.28.1.2 area 200 on Serial0/0.1 from 208.28.1.1 R1# *Mar 1 07:38:18.809: OSPF: Rcv hello from 5.5.5.5 area 51 from Ethernet0/0 208.28.1.65 *Mar 1 07:38:18.809: OSPF: Mismatched hello parameters from 208.28.1.65 *Mar 1 07:38:18.809: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.248 C 255.255.255.240 R1#u all All possible debugging has been turned off R1# *Mar 1 07:38:21.762: OSPF: Rcv hello from 2.2.2.2 area 0 from Serial0/0.2 180.40.7.65 *Mar 1 07:38:21.762: OSPF: End of hello processing *Mar 1 07:38:22.327: OSPF: Send hello to 224.0.0.5 area 51 on Ethernet0/0 from 208.28.1.66 R1# RACK10AS#5 [Resuming connection 5 to r5 ... ] 0 S5(config-router)#int vlan 10 S5(config-if)#do sh run int vlan 10 Building configuration... Current configuration : 64 bytes ! interface Vlan10 ip address 208.28.1.65 255.255.255.248 end S5(config-if)# ip address 208.28.1.65 255.255.255.240 S5(config-if)#^Z S5# 07:42:13: %SYS-5-CONFIG_I: Configured from console by console S5#config t 07:42:26: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#^Z S5#sh ip 07:42:29: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DR 00:00:38 208.28.1.66 Vlan10 2.2.2.2 1 FULL/BDR 00:00:36 208.28.1.129 Vlan20 S5# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Mar R1#u alldeb ip ospf evesh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/BDR 00:00:34 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:59 208.28.1.2 Serial0/0.1 R1# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#ping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 ..... Success rate is 0 percent (0/5) R4# RACK10AS#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 not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.129, 00:00:40, Vlan20 [110/783] via 208.28.1.66, 00:00:40, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:30, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:30, Vlan20 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.129, 00:00:30, Vlan20 [110/20] via 208.28.1.66, 00:00:30, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:14, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:14, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 --More--  R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:16, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.129, 00:00:42, Vlan20 [110/782] via 208.28.1.66, 00:00:42, Vlan10 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:00:42, Vlan20 O IA 180.40.7.64 [110/782] via 208.28.1.129, 00:00:43, Vlan20 [110/782] via 208.28.1.66, 00:00:43, Vlan10 S5# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#sh run | b router router ospf 1 router-id 4.4.4.4 log-adjacency-changes 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 line aux 0 line vty 0 4 ! ! --More--   R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)#redius   R4(config-router)#redistribute con R4(config-router)#redistribute connected su R4(config-router)#redistribute connected subnets R4(config-router)#^Z R4# *Mar 1 07:43:05.218: %SYS-5-CONFIG_I: Configured from console by console R4#config tsh run | b routerping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 .. RACK10AS#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 not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.129, 00:01:23, Vlan20 [110/783] via 208.28.1.66, 00:01:23, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:02, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:02, Vlan20 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.129, 00:00:02, Vlan20 [110/20] via 208.28.1.66, 00:00:02, Vlan10 O E2 200.1.0.0/24 [110/20] via 208.28.1.129, 00:00:03, Vlan20 [110/20] via 208.28.1.66, 00:00:03, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:01, Vlan16 --More--  R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.129, 00:01:24, Vlan20 [110/782] via 208.28.1.66, 00:01:24, Vlan10 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:01:25, Vlan20 O IA 180.40.7.64 [110/782] via 208.28.1.129, 00:01:25, Vlan20 [110/782] via 208.28.1.66, 00:01:25, Vlan10 S5#q  RACK10AS#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 not set 17.0.0.0/24 is subnetted, 1 subnets R 17.80.1.0 [120/3] via 217.57.100.1, 00:00:27, Vlan16 1.0.0.0/24 is subnetted, 1 subnets R 1.1.1.0 [120/3] via 217.57.100.1, 00:00:27, Vlan16 2.0.0.0/24 is subnetted, 1 subnets R 2.2.2.0 [120/3] via 217.57.100.1, 00:00:27, Vlan16 3.0.0.0/24 is subnetted, 1 subnets R 3.3.3.0 [120/3] via 217.57.100.1, 00:00:27, Vlan16 R 200.1.0.0/24 [120/3] via 217.57.100.1, 00:00:09, Vlan16 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 --More--   208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks R 208.28.1.128/27 [120/3] via 217.57.100.1, 00:00:27, Vlan16 R 208.28.1.64/28 [120/3] via 217.57.100.1, 00:00:27, Vlan16 R 208.28.1.0/29 [120/3] via 217.57.100.1, 00:00:27, Vlan16 180.40.0.0/27 is subnetted, 2 subnets R 180.40.7.0 [120/3] via 217.57.100.1, 00:00:28, Vlan16 R 180.40.7.64 [120/3] via 217.57.100.1, 00:00:28, Vlan16 S6#q  RACK10AS#4 [Resuming connection 4 to r4 ... ] .. R4#ping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms R4# R4# R4# R4# R4# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#sh run | b ospf 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 ! router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 --More--   R1#sh run | b ospf      router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 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 line aux 0 --More--   R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] * R2#sh run | b rotuer R2#sh run | b rotueruer er uerter router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 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# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh run | b rotuer      uter 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 tag 3 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! --More--   R3# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#sh run | b rotuer R4#sh run | b rotuer    uter router ospf 1 router-id 4.4.4.4 log-adjacency-changes redistribute connected subnets 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 line aux 0 line vty 0 4 ! --More--   R4#x 5 Trying 5... % Destination unreachable; gateway or host down % Unknown command or computer name, or unable to find computer address R4# R4# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#sh run | b router 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 ip http secure-server ! ! ! control-plane ! ! line con 0 --More--   S5# RACK10AS#6 [Resuming connection 6 to r6 ... ] S6#sh run | b router 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 ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 line vty 0 4 no login line vty 5 15 no login --More--   S6# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#confi gt ^ % Invalid input detected at '^' marker. S5#confi gt ^ % Invalid input detected at '^' marker. S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#area 51 nssa ^ % Invalid input detected at '^' marker. S5(config)#area 51 nssa router ospf 1 S5(config-router)#arte   rea 51 nssa S5(config-router)# 07:47:47: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from FULL to DOWN, Neighbor Down: Adjacency forced to reset 07:47:47: %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# 07:48:06: %SYS-5-CONFIG_I: Configured from console by console S5# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#confi gt ^ % Invalid input detected at '^' marker. R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#area *Mar 1 07:46:04.432: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Dead timer expired R1(config-router)#area 51 nssa u   noi -su R1(config-router)#area 51 nssa no-summary R1(config-router)# *Mar 1 07:46:22.730: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1(config-router)# RACK10AS#5 [Resuming connection 5 to r5 ... ] 07: 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 not set R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:10, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:10, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:10, 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 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 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:00, Vlan10 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 208.28.1.66, 00:00:00, Vlan10 S5# RACK10AS#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)#area 51 nssa R2(config-router)#area 51 nssa no s  -sum R2(config-router)#area 51 nssa no-summary R2(config-router)#^Z R2# RACK10AS#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 208.28.1.66 to network 0.0.0.0 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:47, Vlan10 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 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:01, 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 208.28.1.66, 00:00:48, Vlan10 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 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.66, 00:00:00, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:50, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:03, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:03, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:03, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.66, 00:00:00, Vlan10 180.40.0.0/27 is subnetted, 2 subnets --More-- 07:49:46: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from LOADING to FULL, Loading Done --More--  O IA 180.40.7.0 [110/1563] via 208.28.1.66, 00:00:02, Vlan10 O IA 180.40.7.64 [110/782] via 208.28.1.66, 00:00:02, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.66, 00:00:02, Vlan10 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 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.66, 00:00:04, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:54, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.66, 00:00:04, Vlan10 180.40.0.0/27 is subnetted, 2 subnets --More--  O IA 180.40.7.0 [110/1563] via 208.28.1.66, 00:00:00, Vlan10 O IA 180.40.7.64 [110/782] via 208.28.1.66, 00:00:00, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.66, 00:00:00, Vlan10 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 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.66, 00:00:03, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:03, Vlan10 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, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.66, 00:00:04, Vlan10 180.40.0.0/27 is subnetted, 2 subnets --More--  O IA 180.40.7.0 [110/1563] via 208.28.1.66, 00:00:04, Vlan10 O IA 180.40.7.64 [110/782] via 208.28.1.66, 00:00:04, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.66, 00:00:04, Vlan10 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 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/783] via 208.28.1.66, 00:00:07, Vlan10 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:07, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:16, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:16, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:16, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/782] via 208.28.1.66, 00:00:07, Vlan10 180.40.0.0/27 is subnetted, 2 subnets --More--  O IA 180.40.7.0 [110/1563] via 208.28.1.66, 00:00:08, Vlan10 O IA 180.40.7.64 [110/782] via 208.28.1.66, 00:00:08, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.66, 00:00:08, Vlan10 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 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:08, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O N2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:08, Vlan20 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:27, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:27, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:27, 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, 00:00:08, Vlan20 [110/2] via 208.28.1.66, 00:00:08, Vlan10 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 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:16, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O N2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:16, Vlan20 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:07, 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, 00:00:16, Vlan20 [110/2] via 208.28.1.66, 00:00:16, Vlan10 S5#   RACK10AS#1 [Resuming connection 1 to r1 ... ] R1(config-router)#area 51 nssa no-summary ? default-information-originate Originate Type 7 default into NSSA area no-redistribution No redistribution into this NSSA area translate Translate LSA R1(config-router)#area 51 nssa no-summary no-redistribution R1(config-router)#^Z R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *M R2#confi gt ^ % Invalid input detected at '^' marker. R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rotuer ospf           uter ospf 1 R2(config-router)#router ospf 1area 51 nssa no-summary no-red R2(config-router)#area 51 nssa no-summary no-redistribution R2(config-router)#^Z R2# RACK10AS#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 208.28.1.66 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:02, 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 208.28.1.66, 00:00:04, Vlan10 S5# 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, 00:00:06, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:06, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:06, 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, 00:00:02, Vlan20 [110/2] via 208.28.1.66, 00:00:02, Vlan10 S5# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#5sh run | b routertuerping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms R4# RACK10AS#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-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 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# RACK10AS#32  2 [Resuming connection 2 to r2 ... ] * R2#sh ru n|}      n | b routert  router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 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# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#sh run | B   b router ospf 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 ! 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 ! ! ! control-plane ! ! --More--   S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#sum S5(config-router)#summary-address 200.1.0.0 255.255.30   .0.0 S5(config-router)#summary-address 200.1.0.0 255.255.0.0.0.0 255.255.0.0 0.0 255.255.0.0 .0.0 255.255.0.0 .0.0 255.255.0.0 1.0.0 255.255.0.08.0.0 255.255.0.0..0.0 255.255.0.05.0.0 255.255.0.07.0.0 255.255.0.0 S5(config-router)#summary-address 218.57.0.0 255.255.0.0.57.0.0 255.255.0.0 7.57.0.0 255.255.0.0 S5(config-router)#summary-address 217.57.0.0 255.255.0.08.57.0.0 255.255.0.0nsummary-address 218.57.0.0 255.255.0.0osummary-address 218.57.0.0 255.255.0.0 summary-address 218.57.0.0 255.255.0.0 S5(config-router)#no summary-address 218.57.0.0 255.255.0.0summary-address 217.57.0.0 255.255.0.0 nsummary-address 217.57.0.0 255.255.0.0osummary-address 217.57.0.0 255.255.0.0 summary-address 217.57.0.0 255.255.0.0 S5(config-router)#no summary-address 217.57.0.0 255.255.0.08.57.0.0 255.255.0.0summary-address 217.57.0.0 255.255.0.0 8.57.0.0 255.255.0.000.1.0.0 255.255.0.0 nsummary-address 200.1.0.0 255.255.0.0osummary-address 200.1.0.0 255.255.0.0 summary-address 200.1.0.0 255.255.0.0 S5(config-router)#^Z S5#sh i 07:58:19: %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, 00:00:20, 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 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:20, 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, 00:05:50, Vlan20 [110/2] via 208.28.1.66, 00:05:50, Vlan10 O 200.1.0.0/16 is a summary, 00:00:09, Null0 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#^Z S5#config tsh 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 resor 07:58:31: %SYS-5-CONFIG_I: Configured from console by consolet is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:02, 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, 00:06:00, Vlan20 [110/2] via 208.28.1.66, 00:06:00, Vlan10 S5#   RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#confi gt ^ % Invalid input detected at '^' marker. R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#rpotu    outer ospf 1 R1(config-router)#sum R1(config-router)#summary-address 200.1.0.0 255.255.0.0 R1(config-router)#^Z R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rout  er osp[f     1 R2(config-router)#sum R2(config-router)#summary-address 200.1.0.0 255.255.0.0 R2(config-router)#^Z R2# *Mar 1 07:56:27.333: %SYS-5-CONFIG_I: Configured from console by console 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, 00:07:18, Serial1/2 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 180.40.7.66, 00:07:18, Serial1/0.2 [110/20] via 208.28.1.1, 00:07:18, Serial1/0.1 [110/20] via 208.28.1.130, 00:07:18, FastEthernet0/1 2.0.0.0/24 is subnetted, 1 subnets C 2.2.2.0 is directly connected, Loopback0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:07:19, Serial1/0.1 [110/20] via 180.40.7.3, 00:07:19, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:07:19, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:01:23, FastEthernet0/1 --More--  O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:01:24, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:01:34, FastEthernet0/1 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:01:24, 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, 00:07:20, 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 200.1.0.0/16 is a summary, 00:00:13, Null0 R2# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:10:07, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:10:07, Serial1/0 [110/20] via 180.40.7.2, 00:10:07, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:10:07, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 180.40.7.2, 00:01:55, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:10:08, Serial1/2 --More--  O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:10:09, Serial1/2 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 180.40.7.64 [110/1562] via 208.28.1.1, 00:21:00, Serial1/0 [110/1562] via 180.40.7.2, 00:21:00, Serial1/2 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:35, Serial1/0 [110/20] via 180.40.7.2, 00:00:35, 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:10:26, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:10:26, Serial1/0 [110/20] via 180.40.7.2, 00:10:26, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:10:26, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 180.40.7.2, 00:02:14, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:10:27, Serial1/2 --More--  O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:10:27, Serial1/2 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 180.40.7.64 [110/1562] via 208.28.1.1, 00:21:18, Serial1/0 [110/1562] via 180.40.7.2, 00:21:18, Serial1/2 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:00:53, Serial1/0 [110/20] via 180.40.7.2, 00:00:53, 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:10:32, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:10:32, Serial1/0 [110/20] via 180.40.7.2, 00:10:32, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:10:32, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 180.40.7.2, 00:02:20, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:10:33, Serial1/2 --More--  O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:10:34, Serial1/2 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 180.40.7.64 [110/1562] via 208.28.1.1, 00:21:25, Serial1/0 [110/1562] via 180.40.7.2, 00:21:25, Serial1/2 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:01:00, Serial1/0 [110/20] via 180.40.7.2, 00:01:00, Serial1/2 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 5 (DNA) 0x80000005 0x00A9FC 3 2.2.2.2 2.2.2.2 1 (DNA) 0x80000005 0x00A804 3 3.3.3.3 3.3.3.3 1308 0x80000003 0x0014EC 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 1534 0x80000001 0x008C41 180.40.7.0 1.1.1.1 750 (DNA) 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 746 (DNA) 0x80000001 0x00D38C 180.40.7.0 3.3.3.3 1534 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 468 (DNA) 0x8000000D 0x00CF66 208.28.1.0 2.2.2.2 372 (DNA) 0x80000002 0x00C775 208.28.1.0 3.3.3.3 1534 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 1 (DNA) 0x80000007 0x00EF1A 208.28.1.64 2.2.2.2 1 (DNA) 0x80000001 0x008D86 208.28.1.128 1.1.1.1 1 (DNA) 0x80000001 0x0023BB --More--  208.28.1.128 2.2.2.2 1 (DNA) 0x80000007 0x00944A Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1 (DNA) 0x80000003 0x00210B 1.1.1.1 3.3.3.3 1535 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1 (DNA) 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 1535 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 2002 (DNA) 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 119 (DNA) 0x80000002 0x0050C6 4.4.4.4 3.3.3.3 1017 0x80000001 0x0072AC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1535 0x80000003 0x00B39B 1 4.4.4.4 4.4.4.4 1023 0x80000003 0x0072D4 1 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 17.80.1.1 3.3.3.3 1722 0x80000001 0x00BDF0 --More--   Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 1537 0x80000001 0x00B5A6 180.40.7.64 3.3.3.3 1312 0x80000001 0x00D03B 208.28.1.0 3.3.3.3 1538 0x80000001 0x00AB8E 208.28.1.64 3.3.3.3 652 0x80000008 0x00FEF9 208.28.1.128 3.3.3.3 656 0x80000006 0x0016B5 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1538 0x80000001 0x00908B 2.2.2.2 3.3.3.3 1538 0x80000001 0x0062B5 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1306 0x8000000C 0x00B777 1 2.2.2.2 2.2.2.2 181 0x8000000B 0x0064CC 3 3.3.3.3 3.3.3.3 1537 0x8000000C 0x00DB50 3 --More--   Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 1667 0x80000009 0x0025FB Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 1.1.1.1 1316 0x80000001 0x00665F 17.80.1.0 2.2.2.2 1306 0x80000002 0x00467A 17.80.1.0 3.3.3.3 1540 0x80000001 0x008C41 180.40.7.64 1.1.1.1 296 0x80000004 0x0069B7 180.40.7.64 2.2.2.2 927 0x80000003 0x004DD0 180.40.7.64 3.3.3.3 1315 0x80000001 0x00D03B 208.28.1.64 1.1.1.1 723 0x80000007 0x00EF1A 208.28.1.64 2.2.2.2 655 0x80000002 0x008B87 208.28.1.64 3.3.3.3 654 0x80000008 0x00FEF9 208.28.1.128 1.1.1.1 654 0x80000005 0x001BBF 208.28.1.128 2.2.2.2 660 0x80000007 0x00944A 208.28.1.128 3.3.3.3 660 0x80000006 0x0016B5 Summary ASB Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1099 0x80000003 0x00210B 1.1.1.1 3.3.3.3 1316 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1097 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 1306 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 1317 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 1307 0x80000002 0x0050C6 4.4.4.4 1.1.1.1 1024 0x80000001 0x004CCA 4.4.4.4 2.2.2.2 1024 0x80000001 0x002EE4 4.4.4.4 3.3.3.3 1023 0x80000001 0x0072AC Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 1.1.1.1 813 0x80000003 0x00B3E2 1 2.2.2.0 2.2.2.2 928 0x80000003 0x00830B 2 3.3.3.0 3.3.3.3 900 0x80000003 0x005333 3 200.1.0.0 2.2.2.2 82 0x80000001 0x006D61 0 200.1.0.0 4.4.4.4 1030 0x80000001 0x003195 0 217.57.100.0 2.2.2.2 165 0x80000001 0x00DF0D 5 R3# sh ip ospf data RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma 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, 00:09:14, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:08:47, Serial0/0.2 [110/20] via 208.28.1.3, 00:08:47, Serial0/0.1 [110/20] via 208.28.1.65, 00:08:47, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:09:15, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:09:15, Serial0/0.1 O N2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:01:41, Ethernet0/0 O N2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:01:41, Ethernet0/0 --More--  O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:03:02, Ethernet0/0 O N2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:01:41, 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, 00:09:15, 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 208.28.1.3, 00:09:15, Serial0/0.1 [110/1562] via 208.28.1.2, 00:09:15, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/16 [110/20] via 180.40.7.65, 00:01:41, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:41, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:41, Ethernet0/0 R1#sh ip rout      r  run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 summary-address 200.1.0.0 255.255.0.0 redistribute connected subnets tag 1 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 --More--   R1#qw   RACK10AS#3 [Resuming connection 3 to r3 ... ] 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 5 (DNA) 0x80000005 0x00A9FC 3 2.2.2.2 2.2.2.2 1 (DNA) 0x80000005 0x00A804 3 3.3.3.3 3.3.3.3 1569 0x80000003 0x0014EC 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 1796 0x80000001 0x008C41 180.40.7.0 1.1.1.1 750 (DNA) 0x80000001 0x008FC4 180.40.7.0 2.2.2.2 746 (DNA) 0x80000001 0x00D38C 180.40.7.0 3.3.3.3 1796 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 468 (DNA) 0x8000000D 0x00CF66 208.28.1.0 2.2.2.2 372 (DNA) 0x80000002 0x00C775 208.28.1.0 3.3.3.3 1796 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 1 (DNA) 0x80000007 0x00EF1A 208.28.1.64 2.2.2.2 1 (DNA) 0x80000001 0x008D86 208.28.1.128 1.1.1.1 1 (DNA) 0x80000001 0x0023BB --More--   R3#sh ip ospf data  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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:15:13, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:15:13, Serial1/0 [110/20] via 180.40.7.2, 00:15:13, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:15:13, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 180.40.7.2, 00:07:01, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:15:14, Serial1/2 --More--  O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:15:15, Serial1/2 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 180.40.7.64 [110/1562] via 208.28.1.1, 00:26:05, Serial1/0 [110/1562] via 180.40.7.2, 00:26:05, Serial1/2 O E2 200.1.0.0/16 [110/20] via 208.28.1.3, 00:05:40, Serial1/0 [110/20] via 180.40.7.2, 00:05:40, Serial1/2 R3# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#ping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 44/44/48 ms R4# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#sh     RACK10AS#2 [Resuming connection 2 to r2 ... ] 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, 00:14:02, Serial1/2 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 180.40.7.66, 00:14:02, Serial1/0.2 [110/20] via 208.28.1.1, 00:14:02, Serial1/0.1 [110/20] via 208.28.1.130, 00:14:02, FastEthernet0/1 2.0.0.0/24 is subnetted, 1 subnets C 2.2.2.0 is directly connected, Loopback0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:14:03, Serial1/0.1 [110/20] via 180.40.7.3, 00:14:03, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:14:03, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:08:07, FastEthernet0/1 --More--  O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:08:11, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:08:21, FastEthernet0/1 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:08:11, 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, 00:14:07, 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 200.1.0.0/16 is a summary, 00:07:00, Null0 R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#^Z R2#sh *Mar 1 08:03:55.656: %SYS-5-CONFIG_I: Configured from console by console R2#sh     RACK10AS#1 [Resuming connection 1 to r1 ... ] \  R1#sh rub   n | b rotuer    uter router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 summary-address 200.1.0.0 255.255.0.0 redistribute connected subnets tag 1 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 --More--   R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#sh run }|  | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 summary-address 200.1.0.0 255.255.0.0 redistribute connected subnets tag 2 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#copnfi g      nfig t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#no sum 200.10 .0.0 255.255.0.0 R2(config-router)#^Z R2# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#routr ospf 1er ospf 1 R1(config-router)#no sum 200.1.0.0 255.255.0.0 R1(config-router)#^Z R1# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#routre    er osof  pf 1 S5(config-router)# S5(config-router)#no sum 200.1.0.0 255.255.0.0 S5(config-router)#no sum 200.1.0.0 255.255.0.0no sum 200.1.0.0 255.255.0.0  sum 200.1.0.0 255.255.0.0  S5(config-router)# sum 200.1.0.0 255.255.0.0.0.0 255.255.0.0 0.0 255.255.0.0 .0.0 255.255.0.0 .0.0 255.255.0.0 1.0.0 255.255.0.07.0.0 255.255.0.0..0.0 255.255.0.05.0.0 255.255.0.07.0.0 255.255.0.0 S5(config-router)#^Z S5# 08:08:59: %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, 00:00:27, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:27, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:27, 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, 00:16:31, Vlan20 [110/2] via 208.28.1.66, 00:16:31, Vlan10 O 200.1.0.0/16 is a summary, 00:00:04, Null0 O 217.57.0.0/16 is a summary, 00:00:04, Null0 S5# RACK10AS#2 [Resuming connection 2 to r2 ... ] * 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, 00:16:45, Serial1/2 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 180.40.7.66, 00:16:45, Serial1/0.2 [110/20] via 208.28.1.1, 00:16:45, Serial1/0.1 [110/20] via 208.28.1.130, 00:16:45, FastEthernet0/1 2.0.0.0/24 is subnetted, 1 subnets C 2.2.2.0 is directly connected, Loopback0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:16:46, Serial1/0.1 [110/20] via 180.40.7.3, 00:16:46, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:16:46, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:16:46, 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, 00:00:24, FastEthernet0/1 O N2 217.57.0.0/16 [110/20] via 208.28.1.130, 00:00:14, FastEthernet0/1 R2# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Ma 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, 00:17:20, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:16:53, Serial0/0.2 [110/20] via 208.28.1.3, 00:16:53, Serial0/0.1 [110/20] via 208.28.1.65, 00:16:53, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:17:21, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:17:21, 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, 00:17:21, Ethernet0/0 --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 180.40.7.0 [110/1562] via 208.28.1.3, 00:17:21, Serial0/0.1 [110/1562] via 208.28.1.2, 00:17:21, 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, 00:00:32, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:22, Ethernet0/0 R1# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#ping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 ..... Success rate is 0 percent (0/5) R4# R4# R4# R4# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#confi gt ^ % Invalid input detected at '^' marker. S5#confi gt ^ % Invalid input detected at '^' marker. S5#confi gtt  Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(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 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)#no dis S5(config-router)#no disc S5(config-router)#no discard-route ? external Discard route for redistributed summarised routes internal Discard route for summarised internal routes S5(config-router)#no discard-route e S5(config-router)#no discard-route external S5(config-router)#^Z S5#confi tgt 08:11:59: %SYS-5-CONFIG_I: Configured from console by console S5#confi gtsh 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, 00:00:09, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:09, 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, 00:19:28, Vlan20 [110/2] via 208.28.1.66, 00:19:28, Vlan10 S5# RACK10AS#4 [Resuming connection 4 to r4 ... ] R4#ping 200.1.1.1 sou 200.1.0.1 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 200.1.0.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms R4# RACK10AS#5 [Resuming connection 5 to r5 ... ] d % Ambiguous command: "d" 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 200.1.0.0 255.255.0.0 summary-address 217.57.0.0 255.255.0.0 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 ! 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# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1` ^ % Invalid input detected at '^' marker. R1(config)#router ospf 1`  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                      ^Z R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rout  er ospf 1 R2(config-router)#area 51 def R2(config-router)#area 51 default-cost 0 R2(config-router)# RACK10AS#5 [Resuming connection 5 to r5 ... ] 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 200.1.0.0 255.255.0.0 summary-address 217.57.0.0 255.255.0.0 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 ! 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#[Ash run | b routerd 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 [110/1] via 208.28.1.129, 00:00:06, Vlan20 S5#^Z S5# RACK10AS#1 2 [Resuming connection 2 to r2 ... ] R2(config-router)#^Z R2#sh run *Mar 1 08:12:02.522: %SYS-5-CONFIG_I: Configured from console by console R2#sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 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# R2# RACK10AS#1 [Resuming connection 1 to r1 ... ] * R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router osp[f    f 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#c *Mar 1 08:15:03.067: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip pro R1#clea ip pro   ospf pro R1#clea ip ospf process ? R1#clea ip ospf process Reset ALL OSPF processes? [no]: y R1# *Mar 1 08:15:38.192: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 08:15:38.192: %O RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rotu   *Mar 1 08:14:47.016: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Serial1/0 from LOADING to FULL, Loading Done R3(config)#router o *Mar 1 08:14:48.154: %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 ospf 1 R3(config-router)#area 200 vir 11.1t1.1    11 .11.11 R3(config-router)# *Mar 1 08:14:58.330: %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)#area 200 vir 11.11.11.11 .1 .1.1 .1.1.1 narea 200 vir 1.1.1.1oarea 200 vir 1.1.1.1 area 200 vir 1.1.1.1 R3(config-router)#^Z R3# *Mar 1 08:15:07.285: %SYS-5-CONFIG_I: Configured from console by console R3# *Mar 1 08:15:08.747: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on OSPF_VL2 from LOADING to FULL, Loading Done R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FU R1#sh ip rout 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, 00:00:08, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [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 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:08, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:00, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:00, Serial0/0.2 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, 00:00:20, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:20, 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, 00:00:00, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:00, Ethernet0/0 R1#sh ip rout 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, 00:00:02, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:02, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:02, Serial0/0.1 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:02, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:03, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:03, Serial0/0.2 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, 00:00:23, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:23, 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, 00:00:03, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 R1# *Mar 1 08:16:18.326: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1#sh ip rout 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, 00:00:06, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:06, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:06, Serial0/0.1 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:06, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:07, Serial0/0.1 208.28.1.0/24 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 --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, 00:00:27, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:27, 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, 00:00:02, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 R1#sh ip rout 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, 00:00:09, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:09, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:09, Serial0/0.1 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:09, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:00, 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, 00:00:00, 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, 00:00:31, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:31, 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 E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 R1#sh ip rout 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, 00:00:03, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:03, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:03, Serial0/0.1 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:04, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:04, 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, 00:00:04, Ethernet0/0 --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 180.40.7.0 [110/1562] via 208.28.1.2, 00:00:34, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:34, 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, 00:00:04, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 R1#sh ip rout 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, 00:00:05, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:05, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:05, Serial0/0.1 [110/20] via 208.28.1.65, 00:00:05, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:07, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:07, 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, 00:00:07, Ethernet0/0 --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 180.40.7.0 [110/1562] via 208.28.1.2, 00:00:37, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:37, 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, 00:00:07, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 R1#shg ip       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, 00:00:15, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:15, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:15, Serial0/0.1 [110/20] via 208.28.1.65, 00:00:15, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:16, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:16, 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, 00:00:16, Ethernet0/0 --More--   R1#sh ip route     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 6. Checksum Sum 0x04CDF6 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 ospfroute 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, 00:00:24, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:24, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:24, Serial0/0.1 [110/20] via 208.28.1.65, 00:00:24, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:25, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:25, 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, 00:00:25, Ethernet0/0 --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 180.40.7.0 [110/1562] via 208.28.1.2, 00:00:55, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:55, Serial0/0.1 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, 00:00:14, Ethernet0/0 O N2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:14, Ethernet0/0 R1# R1# R1# R1# R1#sh urn |     run | b router router ospf 1 router-id 11.11.11.11 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 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# RACK10AS#5 [Resuming connection 5 to r5 ... ] 08 S5#\ config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#do sh access-list S5(config)#routr     accee sss -list 1 per 217.57.0.0 0.0.255.255 S5(config)#route-map prob8rob8 Prob8rob8 S5(config-route-map)#match ip add 1 S5(config-route-map)#set met S5(config-route-map)#set metric- S5(config-route-map)#set metric-type ? 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-1 S5(config-route-map)#set metric-type type-1match ip add 1 route-map Prob8 20 S5(config-route-map)#router ospf 1 S5(config-router)#re  redis S5(config-router)#redistribute rip sub rout S5(config-router)#redistribute rip sub route-map Prob8 tag 5 S5(config-router)#^Z S5# 08:24:00: %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 200.1.0.0 255.255.0.0 summary-address 217.57.0.0 255.255.0.0 redistribute rip subnets tag 5 route-map Prob8 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 ip http secure-server ! ! access-list 1 permit 217.57.0.0 0.0.255.255 --More--  route-map Prob8 permit 10 match ip address 1 set metric-type type-1 ! route-map Prob8 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 ! ! end S5# S5# RACK10AS#3 [Resuming connection 3 to r3 ... ] *M 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:04:39, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:04:39, Serial1/0 [110/20] via 180.40.7.2, 00:04:39, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:04:39, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:04:40, Serial1/2 O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:04:40, Serial1/2 --More--  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 180.40.7.64 [110/1562] via 180.40.7.2, 00:06:11, Serial1/2 [110/1562] via 208.28.1.1, 00:06:11, Serial1/0 O E2 200.1.0.0/16 [110/20] via 180.40.7.2, 00:04:40, Serial1/2 O E1 217.57.0.0/16 [110/803] via 180.40.7.2, 00:00:43, Serial1/2 R3#sh ip route 217.57.0.0 Routing entry for 217.57.0.0/16, supernet Known via "ospf 1", distance 110, metric 803, type extern 1 Last update from 180.40.7.2 on Serial1/2, 00:01:10 ago Routing Descriptor Blocks: * 180.40.7.2, from 11.11.11.11, 00:01:10 ago, via Serial1/2 Route metric is 803, traffic share count is 1 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 2.2.2.2 2.2.2.2 1 (DNA) 0x80000008 0x00D9A7 3 3.3.3.3 3.3.3.3 431 0x80000006 0x0027AE 2 11.11.11.11 11.11.11.11 1 (DNA) 0x80000003 0x00B2A5 3 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 1130 0x80000002 0x008A42 180.40.7.0 2.2.2.2 1231 (DNA) 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 1130 0x80000002 0x00B3A7 180.40.7.0 11.11.11.11 2 (DNA) 0x80000001 0x0062C9 208.28.1.0 2.2.2.2 730 (DNA) 0x80000003 0x00C576 208.28.1.0 3.3.3.3 1130 0x80000002 0x00A98F 208.28.1.0 11.11.11.11 2 (DNA) 0x80000003 0x00B661 208.28.1.64 2.2.2.2 1 (DNA) 0x80000001 0x008D86 208.28.1.64 11.11.11.11 1 (DNA) 0x80000003 0x00CA1B 208.28.1.128 2.2.2.2 1 (DNA) 0x80000007 0x00944A --More--  208.28.1.128 11.11.11.11 1 (DNA) 0x80000001 0x00F5C0 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 241 (DNA) 0x80000004 0x001F0C 2.2.2.2 3.3.3.3 1132 0x80000002 0x0060B6 2.2.2.2 11.11.11.11 2 (DNA) 0x80000001 0x007186 3.3.3.3 2.2.2.2 481 (DNA) 0x80000003 0x004EC7 3.3.3.3 11.11.11.11 2 (DNA) 0x80000001 0x0043B0 4.4.4.4 3.3.3.3 631 0x80000002 0x0070AD 11.11.11.11 2.2.2.2 1 (DNA) 0x80000001 0x00E017 11.11.11.11 3.3.3.3 443 0x80000001 0x00C231 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1132 0x80000004 0x00B19C 1 4.4.4.4 4.4.4.4 702 0x80000004 0x0070D5 1 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum --More--  17.80.1.1 3.3.3.3 1377 0x80000002 0x00BBF1 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 1133 0x80000002 0x00B3A7 180.40.7.64 3.3.3.3 873 0x80000002 0x00CE3C 208.28.1.0 3.3.3.3 1133 0x80000002 0x00A98F 208.28.1.64 3.3.3.3 131 0x80000009 0x00FCFA 208.28.1.128 3.3.3.3 131 0x80000007 0x0014B6 Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 449 0x80000004 0x009E78 2.2.2.2 3.3.3.3 1133 0x80000002 0x0060B6 11.11.11.11 3.3.3.3 444 0x80000001 0x00C231 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1664 0x8000000B 0x0064CC 3 3.3.3.3 3.3.3.3 1134 0x8000000D 0x00D951 3 --More--  11.11.11.11 11.11.11.11 455 0x80000002 0x00D018 1 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 340 0x8000000C 0x00A550 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 2.2.2.2 916 0x80000003 0x00447B 17.80.1.0 3.3.3.3 1134 0x80000002 0x008A42 17.80.1.0 11.11.11.11 426 0x80000002 0x003765 180.40.7.64 2.2.2.2 428 0x80000004 0x004BD1 180.40.7.64 3.3.3.3 874 0x80000002 0x00CE3C 180.40.7.64 11.11.11.11 456 0x80000001 0x0042B9 208.28.1.64 2.2.2.2 178 0x80000003 0x008988 208.28.1.64 3.3.3.3 134 0x80000009 0x00FCFA 208.28.1.64 11.11.11.11 412 0x80000003 0x00CA1B 208.28.1.128 2.2.2.2 179 0x80000008 0x00924B 208.28.1.128 3.3.3.3 134 0x80000007 0x0014B6 208.28.1.128 11.11.11.11 417 0x80000002 0x00F3C1 --More--   Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 451 0x80000004 0x009E78 1.1.1.1 11.11.11.11 447 0x80000001 0x00B346 2.2.2.2 3.3.3.3 875 0x80000003 0x005EB7 2.2.2.2 11.11.11.11 447 0x80000001 0x007186 3.3.3.3 2.2.2.2 917 0x80000003 0x004EC7 3.3.3.3 11.11.11.11 427 0x80000002 0x0041B1 4.4.4.4 2.2.2.2 676 0x80000002 0x002CE5 4.4.4.4 3.3.3.3 634 0x80000002 0x0070AD 4.4.4.4 11.11.11.11 428 0x80000002 0x001DD0 11.11.11.11 2.2.2.2 449 0x80000001 0x00E017 11.11.11.11 3.3.3.3 428 0x80000002 0x00C032 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 11.11.11.11 462 0x80000001 0x008AE5 1 2.2.2.0 2.2.2.2 431 0x80000004 0x00810C 2 3.3.3.0 3.3.3.3 391 0x80000004 0x005134 3 200.1.0.0 4.4.4.4 706 0x80000002 0x002F96 0 200.1.0.0 11.11.11.11 407 0x80000001 0x004734 0 --More--  217.57.0.0 11.11.11.11 101 0x80000002 0x004170 0 R3#    dh so       sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 200 virtual-link 11.11.11.11 area 200 virtual-link 2.2.2.2 redistribute connected subnets tag 3 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 ! 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 redistribute connected subnets tag 3 R3(config-router)#do sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 200 virtual-link 11.11.11.11 area 200 virtual-link 2.2.2.2 redistribute connected 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! --More--   R3(config-router)#redistribute connected subnets tag 3 R3(config-router)#xc  ^Z R3# *Mar 1 08:23:42.934: %SYS-5-CONFIG_I: Configured from console by console R3# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#confi gt ^ % Invalid input detected at '^' marker. S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#ban S5(config-if)#bandwidth 100000 S5(config-if)#do sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, 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 Backup Designated router (ID) 11.11.11.11, 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 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, 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 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5(config-if)#a do sh int vlan 209  Vlan20 is up, line protocol is up Hardware is EtherSVI, address is 000c.301f.a280 (bia 000c.301f.a280) Internet address is 208.28.1.130/27 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 00:00:09, 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: 2 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 431 packets input, 43944 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 476 packets output, 46090 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5(config-if)#router ospf 1 S5(config-router)#auto S5(config-router)#auto-cost ? reference-bandwidth Use reference bandwidth method to assign OSPF cost S5(config-router)#auto-cost ref S5(config-router)#auto-cost reference-bandwidth ? <1-4294967> The reference bandwidth in terms of Mbits per second S5(config-router)#auto-cost reference-bandwidth 10000000 ^ % Invalid input detected at '^' marker. S5(config-router)#auto-cost reference-bandwidth 10000000       0000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)# S5# 08:29:17: %SYS-5-CONFIG_I: Configured from console by console S5# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# R1(config)#router ospf 1 R1(config-router)# auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# R1(config-router)#end R1# *Mar 1 08:27:21.385: %SYS-5-CONFIG_I: Configured from console by console R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Mar 1 08: R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#router ospf 1 R2(config-router)# auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)# R2(config-router)#end R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mconfig t Enter configuration commands, one per line. End with CNTL/Z. R3(config)# R3(config)#router ospf 1 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)# R3(config-router)#end R3# RACK10AS#4 [Resuming connection 4 to r4 ... ] config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)# R4(config)#router ospf 1 R4(config-router)# auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)# R4(config-router)#end R4# *Mar 1 08:29:10.721: %SYS-5-CONFIG_I: Configured from console by console R4# RACK10AS#5 [Resuming connection 5 to r5 ... ] S5#sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 100 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:07 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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_VL1 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 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 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 2.2.2.2 0 FULL/DROTHER 00:01:32 208.28.1.3 Serial1/0 11.11.11.11 0 FULL/DROTHER 00:01:39 208.28.1.1 Serial1/0 R3# R3#router ospf 1 ^ % Invalid input detected at '^' marker. R3# auto-cost reference-bandwidth 1000 ^ % Invalid input detected at '^' marker. R3# R3#end Translating "end" Translating "end" % 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)# R3(config)#router ospf 1 R3(config-router)# auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# R3(config-router)#end R3# RACK10AS#4 [Resuming connection 4 to r4 ... ] config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)# R4(config)#router ospf 1 R4(config-router)# auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)# R4(config-router)#end R4# RACK10AS#322   2 [Resuming connection 2 to r2 ... ] *Mconfig t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#router ospf 1 R2(config-router)# auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)# R2(config-router)#end R2# *Mar 1 08:30:18.319: %SYS-5-CONFIG_I: Configured from console by console R2# RACK10AS#1 [Resuming connection 1 to r1 ... ] * R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# R1(config)#router ospf 1 R1(config-router)# auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# R1(config-router)#end R1# RACK10AS#5 [Resuming connection 5 to r5 ... ] config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)# S5(config)#router ospf 1 S5(config-router)# auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)# S5(config-router)#end S5#^Z S5# 08:33:34: %SYS-5-CONFIG_I: Configured from console by console S5#config tsh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, 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 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#ban   int vlan 10end  auto-cost reference-bandwidth 1000router ospf 1 auto-cost reference-bandwidth 10000000router ospf 1 do sh int vlan 20p ospf intbandwidth 100000 nbandwidth 100000obandwidth 100000 bandwidth 100000 S5(config-if)#^Z S5# RACK10AS#3 [Resuming connection 3 to r3 ... ] * R3#config tend  auto-cost reference-bandwidth 1000router ospf 1 sh ip ospf neivir Virtual Link OSPF_VL2 to router 11.11.11.11 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 1/2, retransmission queue length 0, number of retransmission 2 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_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 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 2/5, 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 --More--   R3# RACK10AS#4 [Resuming connection 4 to r4 ... ] *Ma R4#sh ip ospf int FastEthernet0/0 is up, line protocol is up Internet Address 17.80.1.2/24, Area 51 Process ID 1, Router ID 4.4.4.4, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 17.80.1.1 Backup Designated router (ID) 4.4.4.4, Interface address 17.80.1.2 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 1 Last flood scan time is 0 msec, maximum is 0 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) R4#q R4#qsh ip ospf int    Routing Process "ospf 1" with ID 4.4.4.4 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 0x021B5C 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 1 Area has no authentication --More--   R4#cofnig      nfig t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospfp    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--   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 R4(config-router)#tim R4(config-router)#timers ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#timers pa 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 R4(config-router)#timers pacing lsa-group ? <10-1800> Interval in sec between group of LSA being refreshed or maxaged R4(config-router)#timers pacing lsa-group 600 R4(config-router)#timers pacing lsa-group 600                    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 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 R4(config-router)#^Z R4#sh run | *Mar 1 08:37:33.209: %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 1000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 redistribute connected subnets 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#confi g5t ^ % Invalid input detected at '^' marker. R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router osp[f   op  pf 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)#ignore ? lsa Do not complain upon receiving LSA of the specified type R4(config-router)#ignore LSA ? mospf MOSPF Type 6 LSA R4(config-router)#ignore LSA MP O R4(config-router)#ignore LSA MOspf R4(config-router)#^Z R4#config t g5t *Mar 1 08:38:51.465: %SYS-5-CONFIG_I: Configured from console by console R4#confi g5tsh run | b router router ospf 1 router-id 4.4.4.4 ignore lsa mospf log-adjacency-changes auto-cost reference-bandwidth 1000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 redistribute connected subnets 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# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Mar R2# R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 1 R2(config-if)#ip add 202.2.2.2 255.255.252.01.   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 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/7822] via 180.40.7.3, 00:06:19, Serial1/2 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 180.40.7.66, 00:06:09, Serial1/0.2 [110/20] via 208.28.1.1, 00:06:09, Serial1/0.1 [110/20] via 208.28.1.130, 00:06:09, FastEthernet0/1 2.0.0.0/24 is subnetted, 1 subnets C 2.2.2.0 is directly connected, Loopback0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 180.40.7.3, 00:06:10, Serial1/2 [110/20] via 208.28.1.2, 00:06:10, Serial1/0.1 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:06:10, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/11] via 208.28.1.130, 00:06:20, 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, 00:06:10, FastEthernet0/1 O E1 217.57.0.0/16 [110/31] via 208.28.1.130, 00:06:10, FastEthernet0/1 C 202.2.0.0/22 is directly connected, Loopback1 R2(config-if)#router ospf 1 R2(config-router)#net 202.2.2.2 0.0.0.0 area 51 R2(config-router)#^Z R2# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:07:02, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.2, 00:07:02, Serial1/2 [110/20] via 208.28.1.3, 00:07:02, Serial1/0 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:07:02, FastEthernet0/0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7813] via 180.40.7.2, 00:00:03, Serial1/2 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O IA 208.28.1.128/27 [110/7822] via 180.40.7.2, 00:07:03, Serial1/2 O IA 208.28.1.64/28 [110/7823] via 180.40.7.2, 00:07:03, Serial1/2 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 180.40.7.64 [110/15624] via 208.28.1.1, 00:07:03, Serial1/0 [110/15624] via 180.40.7.2, 00:07:03, Serial1/2 O E2 200.1.0.0/16 [110/20] via 180.40.7.2, 00:07:03, Serial1/2 O E1 217.57.0.0/16 [110/7843] via 180.40.7.2, 00:07:03, Serial1/2 O E2 202.2.0.0/22 [110/20] via 208.28.1.3, 00:00:49, Serial1/0 [110/20] via 180.40.7.2, 00:00:49, Serial1/2 R3# RACK10AS#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)#int lo 0 1 R2(config-if)#ip ospf         do sh ip ospf int lo 1 Loopback1 is up, line protocol is up Internet Address 202.2.2.2/22, Area 51 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)# R2(config-if)# R2(config-if)#ip ospf net R2(config-if)#ip ospf network br R2(config-if)#ip ospf network broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf network broadcast           no R2(config-if)#ip ospf network non-broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf network non-broadcast               po R2(config-if)#ip ospf network point-to-m R2(config-if)#ip ospf network point-to-multipoint OSPF: Invalid type for interface R2(config-if)#ip ospf network point-to-multipoint no R2(config-if)#ip ospf network point-to-multipoint non-broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf network point-to-multipoint non-broadcast             p R2(config-if)#ip ospf network point-to-point R2(config-if)#^Z R2# *Mar 1 08:39:54.587: %SYS-5-CONFIG_I: Configured from console by console R2# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:02:00, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.2, 00:02:00, Serial1/2 [110/20] via 208.28.1.3, 00:02:00, Serial1/0 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:02:00, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7822] via 180.40.7.2, 00:09:06, Serial1/2 O IA 208.28.1.64/28 [110/7823] via 180.40.7.2, 00:09:06, Serial1/2 --More--  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 180.40.7.64 [110/15624] via 208.28.1.1, 00:09:06, Serial1/0 [110/15624] via 180.40.7.2, 00:09:06, Serial1/2 O E2 200.1.0.0/16 [110/20] via 180.40.7.2, 00:02:01, Serial1/2 O E1 217.57.0.0/16 [110/7843] via 180.40.7.2, 00:02:01, Serial1/2 O IA 202.2.0.0/22 [110/7813] via 180.40.7.2, 00:00:08, Serial1/2 R3# RACK10AS#21 % 21 is not an open connection RACK10AS#x2 * * * * * *exit RACK10AS#x 2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 1` ^ % Invalid input detected at '^' marker. R2(config)#int lo 1`  R2(config-if)#int lo 1`p ospf network point-to-point                ? broadcast Specify OSPF broadcast multi-access network non-broadcast Specify OSPF NBMA network point-to-multipoint Specify OSPF point-to-multipoint network point-to-point Specify OSPF point-to-point network R2(config-if)#ip ospf network lo ^ % Invalid input detected at '^' marker. R2(config-if)#^Z R2# *Mar 1 08:40:51.420: %SYS-5-CONFIG_I: Configured from console by console R2#^Z R2#sh run | b Loo interface Loopback0 ip address 2.2.2.2 255.255.255.0 ! interface Loopback1 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 --More--   no ip address encapsulation frame-relay no fair-queue ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 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 --More--   no ip address shutdown ! 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 --More--   area 51 nssa no-redistribution no-summary --More--   area 51 default-cost 0 --More--   area 200 virtual-link 3.3.3.3 --More--   redistribute connected subnets tag 2 --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 51 --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#confi t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#con   router ospf 1 R2(config-router)#area 0 auth R2(config-router)#area 0 authentication ? message-digest Use message-digest authentication R2(config-router)#area 0 authentication me R2(config-router)#area 0 authentication message-digest R2(config-router)# RACK10AS#2 1 [Resuming connection 1 to r1 ... ] *Ma R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router bv      r ospf 1 R1(config-router)#area 0 authe R1(config-router)#area 0 authentication m R1(config-router)#area 0 authentication message-digest R1(config-router)#^Z R1# *Mar 1 08:44:06.288: %SYS-5-CONFIG_I: Configured from console by console R1#deb ip ospf pack OSPF packet debugging is on R1# *Mar 1 08:44:12.819: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Dead timer expired R1# *Mar 1 08:44:14.434: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:229B aut:0 auk: from Ethernet0/0 R1# *Mar 1 08:44:18.051: OSPF: rcv. v:2 t:2 l:32 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFA from Serial0/0.2 *Mar 1 08:44:18.212: OSPF: rcv. v:2 t:2 l:652 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFA from Serial0/0.2 *Mar 1 08:44:18.472: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:BA2F aut:0 auk: from Serial0/0.1 *Mar 1 08:44:18.544: OSPF: rcv. v:2 t:2 l:32 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFA from Serial0/0.2 *Mar 1 08:44:18.556: OSPF: rcv. v:2 t:3 l:36 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFA from Serial0/0.2 *Mar 1 08:44:18.564: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:7A6F aut:0 auk: from Serial0/0.1 *Mar 1 08:44:18.580: OSPF: rcv. v:2 t:4 l:76 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFA from Serial0/0.2 *Mar 1 08:44:18.592: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:49A0 aut:0 auk: from Serial0/ R1#0.1 *Mar 1 08:44:18.644: OSPF: rcv. v:2 t:2 l:32 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFB from Serial0/0.2 *Mar 1 08:44:18.644: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1# *Mar 1 08:44:19.249: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFB from Serial0/0.2 R1# *Mar 1 08:44:21.245: OSPF: rcv. v:2 t:5 l:44 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFD from Serial0/0.2 R1# *Mar 1 08:44:22.855: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CBFF from Serial0/0.2 R1# *Mar 1 08:44:24.061: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CC00 from Serial0/0.2 *Mar 1 08:44:24.434: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:229B aut:0 auk: from Ethernet0/0 R1#u all *Mar 1 08:44:26.858: OSPF: rcv. v:2 t:5 l:44 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91CC03 from Serial0/0.2 R1#u all All possible debugging has been turned off R1# *Mar 1 08:44:28.513: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:15D4 aut:0 auk: from Serial0/0.1 *Mar 1 08:44:28.613: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:D613 aut:0 auk: from Serial0/0.1 *Mar 1 08:44:28.613: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:A445 aut:0 auk: from Serial0/0.1 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 0/0.2 R1(config-subif)#ip osp 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 message-digest-key ? <1-255> Key ID R1(config-subif)#ip ospf message-digest-key 1 ? md5 Use MD5 algorithm R1(config-subif)#ip ospf message-digest-key 1 m R1(config-subif)#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) R1(config-subif)#ip ospf message-digest-key 1 md5 cisco R1(config-subif)#ip ospf message-digest-key 1 md5 cisco                              aut R1(config-subif)#ip ospf authentication ? message-digest Use message-digest authentication null Use no authentication R1(config-subif)#ip ospf authentication                         *Mar 1 08:46:00.876: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Dead timer expired R1(config-subif)#^Z R1# *Mar 1 08:46:12.659: %SYS-5-CONFIG_I: Configured from console by console R1# *Mar 1 08:46:23.317: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Too many retransmissions R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *M R2(config-router)#int s 1/0.2 R2(config-subif)#ip ospf me R2(config-subif)#ip ospf message-digest-key 1 md`  R2(config-subif)#ip ospf message-digest-key 1 md5 cisco R2(config-subif)# *Mar 1 08:46:22.243: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)#^Z R2# *Mar 1 08:47:35.218: %SYS-5-CONFIG_I: Configured from console by console R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf vir Virtual Link OSPF_VL2 to router 11.11.11.11 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 1/2, retransmission queue length 0, number of retransmission 2 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_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 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 2/5, 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 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec R3# RACK10AS#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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:10:18, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:10:18, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:10:18, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 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, 00:17:22, FastEthernet0/0 O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:17:22, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:17:48, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:17:49, FastEthernet0/0 O IA 180.40.7.64 [110/15634] via 17.80.1.1, 00:17:33, FastEthernet0/0 O E2 200.1.0.0/16 [110/20] via 17.80.1.1, 00:10:20, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:10:20, FastEthernet0/0 O IA 202.2.0.0/22 [110/7823] via 17.80.1.1, 00:08:26, FastEthernet0/0 R4# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh ip sos   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 2.2.2.2 2.2.2.2 1 (DNA) 0x8000000C 0x0008BD 3 3.3.3.3 3.3.3.3 1065 0x8000000B 0x006249 2 11.11.11.11 11.11.11.11 6 (DNA) 0x80000008 0x00DEBC 3 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 1071 0x80000003 0x00E2DF 180.40.7.0 2.2.2.2 17 (DNA) 0x80000005 0x006A5F 180.40.7.0 3.3.3.3 1071 0x80000003 0x005077 180.40.7.0 11.11.11.11 16 (DNA) 0x80000005 0x00966C 202.2.0.0 2.2.2.2 1 (DNA) 0x80000001 0x00E386 202.2.0.0 11.11.11.11 1 (DNA) 0x80000001 0x00CA16 208.28.1.0 2.2.2.2 17 (DNA) 0x80000005 0x006047 208.28.1.0 3.3.3.3 1071 0x80000003 0x00465F 208.28.1.0 11.11.11.11 16 (DNA) 0x80000005 0x005132 208.28.1.64 2.2.2.2 1 (DNA) 0x80000007 0x00DB29 --More--  208.28.1.64 11.11.11.11 16 (DNA) 0x80000005 0x004E3B 208.28.1.128 2.2.2.2 17 (DNA) 0x8000000B 0x00E6EA 208.28.1.128 11.11.11.11 16 (DNA) 0x80000004 0x0077E1 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 5 (DNA) 0x80000005 0x001D0D 2.2.2.2 3.3.3.3 1075 0x80000003 0x00FC86 2.2.2.2 11.11.11.11 16 (DNA) 0x80000003 0x000C57 3.3.3.3 2.2.2.2 17 (DNA) 0x80000005 0x00E898 3.3.3.3 11.11.11.11 16 (DNA) 0x80000003 0x00DD81 4.4.4.4 3.3.3.3 1075 0x80000003 0x00C84B 11.11.11.11 2.2.2.2 17 (DNA) 0x80000003 0x007BE7 11.11.11.11 3.3.3.3 1075 0x80000002 0x005F01 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1090 0x80000008 0x004CF4 1 4.4.4.4 4.4.4.4 1105 0x80000006 0x000F2C 1 Net Link States (Area 51) --More--   Link ID ADV Router Age Seq# Checksum 17.80.1.1 3.3.3.3 931 0x80000003 0x00B9F2 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 180.40.7.0 3.3.3.3 1092 0x80000001 0x005475 180.40.7.64 3.3.3.3 1072 0x80000001 0x000DD9 202.2.0.0 3.3.3.3 524 0x80000001 0x0002C1 208.28.1.0 3.3.3.3 1092 0x80000001 0x004A5D 208.28.1.64 3.3.3.3 1062 0x80000002 0x00045F 208.28.1.128 3.3.3.3 1062 0x80000002 0x00171D Summary ASB Link States (Area 51) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 1062 0x80000002 0x004145 2.2.2.2 3.3.3.3 1092 0x80000001 0x000184 11.11.11.11 3.3.3.3 1092 0x80000001 0x0061FF Router Link States (Area 200) --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rotuer      uter ospf 1 R3(config-router)#area 0 auth R3(config-router)#area 0 authentication m R3(config-router)#area 0 authentication message-digest R3(config-router)# *Mar 1 08:49:34.402: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on OSPF_VL2 from LOADING to FULL, Loading Done R3(config-router)#area 0 authentication message-digest router ospf 1 area 0 authentication message-digest  area 2 *Mar 1 08:49:44.178: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Done R3(config-router)#area 200 vir R3(config-router)#area 200 virtual-link 11.11.11.11 ? 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 R3(config-router)#area 200 virtual-link 11.11.11.11 me R3(config-router)#area 200 virtual-link 11.11.11.11 message-digest-key ? <1-255> Key ID R3(config-router)#area 200 virtual-link 11.11.11.11 message-digest-key 1 > ? md5 Use MD5 algorithm R3(config-router)#area 200 virtual-link 11.11.11.11 message-digest-key 1 md ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE Authentication key (16 chars) R3(config-router)#area 200 virtual-link 11.11.11.11 message-digest-key 1 md n$rtual-link 11.11.11.11 message-digest-key 1 md no cisco R3(config-router)#$rtual-link 11.11.11.11 message-digest-key 1 md nocisco message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco  message-digest-key 1 md nocisco 2 message-digest-key 1 md nocisco. message-digest-key 1 md nocisco2 message-digest-key 1 md nocisco. message-digest-key 1 md nocisco2 message-digest-key 1 md nocisco. message-digest-key 1 md nocisco2 message-digest-key 1 md nocisco R3(config-router)#^Z R3# RACK10AS#1 [Resuming connection 1 to r1 ... ] *Mar R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#a router ospf 1 R1(config-router)#area 200 vir 3.3.3.3 me R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 m R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 md5 notcisco R1(config-router)# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#routr   er ospf 1 R2(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 md5 notcisco R2(config-router)#^Z R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] *M R3#config tsh ip ospf datavir  Virtual Link OSPF_VL2 to router 11.11.11.11 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 00:00:06 Adjacency State FULL (Hello suppressed) Index 1/2, retransmission queue length 0, number of retransmission 2 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 Message digest authentication enabled Youngest key id is 1 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 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Adjacency State FULL (Hello suppressed) Index 2/5, retransmission queue length 0, number of retransmission 0 --More--   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 Message digest authentication enabled Youngest key id is 1 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 0x026FD0 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 message digest authentication --More--   SPF algorithm last executed 00:01:27.094 ago SPF algorithm executed 17 times Area ranges are Number of LSA 24. Checksum Sum 0x0DF5DE Number of opaque link LSA 0. Checksum Sum 0x000000 Number of DCbitless LSA 0 Number of indication LSA 0 Number of DoNotAge LSA 17 Flood list length 0 Area 51 Number of interfaces in this area is 1 Area has no authentication SPF algorithm last executed 00:20:42.985 ago SPF algorithm executed 11 times Area ranges are Number of LSA 12. Checksum Sum 0x028BBF 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# RACK10AS#1 [Resuming connection 1 to r1 ... ] R1(config-router)#^Z R1#sh run | *Mar 1 08:52:45.183: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b 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 message-digest-key 1 md5 cisco 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 11.11.11.11 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco redistribute connected subnets tag 1 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 --More--   logging synchronous line aux 0 line vty 0 4 ! ! end R1# R1# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Ma R2#sh run | b 1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 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 message-digest-key 1 md5 cisco 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 message-digest area 51 nssa no-redistribution no-summary area 51 default-cost 0 --More--   area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco --More--   redistribute connected subnets tag 2 --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 51 --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# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh ru n|     n | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 200 virtual-link 11.11.11.11 message-digest-key 1 md5 nocisco area 200 virtual-link 2.2.2.2 message-digest-key 1 md5 nocisco redistribute connected subnets tag 3 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R3# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2#confi g t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#int s 1/2 R2(config-if)#shut R2(config-if)# *Mar 1 08:53:53.126: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached R2(config-if)#enca R2(config-if)#encapsulation fra *Mar 1 08:53:55.125: %LINK-5-CHANGED: Interface Serial1/2, changed state to administratively down *Mar 1 08:53:56.127: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to down R2(config-if)#encapsulation fram R2(config-if)#encapsulation frame-relay R2(config-if)#do sh contr s 1/2 CD2430 Slot 1, Port 2, Controller 0, Channel 2, Revision 19 Channel mode is synchronous serial idb 0x83794468, buffer size 1524, V.35 DCE cable, clockrate 64000 Global registers rpilr 0x2, rir 0x0, risr 0x0, rfoc 0x0, rdr 0x0 tpilr 0x1, tir 0x0, tisr 0x60, tftc 0x0, tdr 0x0 mpilr 0x3, mir 0x2, misr 0x60 bercnt 0xFF, stk 0x0 Per-channel registers for channel 2 Option registers 0x02 0x00 0x42 0x67 0x60 0x00 0x00 Command and status registers cmr 0xC0, ccr 0x00, csr 0x04, msvr-rts 0xF0, msvr-dtr 0xF0 Clock option registers rcor 0x86, rbpr 0x01, tcor 0xC0, tbpr 0x11 Interrupt registers ier 0x00, livr 0x08, licr 0x08 DMA buffer status 0x00 DMA receive registers arbaddr 0x7DE77C4, arbcnt 1548, arbsts 0x1 brbaddr 0x7DE84C4, brbcnt 1548, brbsts 0x1 rcbaddr 0x7DE7E98 --More--   R2(config-if)#fram map ip ? A.B.C.D Protocol specific address R2(config-if)#fram map ip 180.40.7.3 23 R2(config-if)# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar R3#confi gt ^ % Invalid input detected at '^' marker. R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#fram  R3(config)#fram   R3(config)#frame-relay sw R3(config)#frame-relay switching ? R3(config)#frame-relay switching R3(config)#int s 1/2 R3(config-if)#enca fram R3(config-if)#fram i? ifmib-counter64 interface-dlci interface-queue intf-type inverse-arp ip R3(config-if)#fram iintf-type  intf-type intf-type ? dce Configure a FR DCE dte Configure a FR DTE nni Configure a FR NNI R3(config-if)#fram intf-type dce R3(config-if)#fram map ip 20  180.40.7.2 23 R3(config-if)# RACK10AS#2 [Resuming connection 2 to r2 ... ] R2(config-if)#no shut R2(config-if)# *Mar 1 08:56:19.754: %LINK-3-UPDOWN: Interface Serial1/2, changed state to up R2(config-if)#do pin 180.40.7.2 3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 180.40.7.3, timeout is 2 seconds: .!. *Mar 1 08:56:30.756: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up.. Success rate is 20 percent (1/5), round-trip min/avg/max = 56/56/56 ms R2(config-if)#do pin 180.40.7.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 180.40.7.3, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) R2(config-if)#do sh run int s 1/2 Building configuration... Current configuration : 145 bytes ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 encapsulation frame-relay clock rate 64000 frame-relay map ip 180.40.7.3 23 end R2(config-if)#do sh run int s 1/2pin 180.40.7.3  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 180.40.7.3, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) R2(config-if)# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar 1 R3(config-if)#do sh run int s 1/. 2 Building configuration... Current configuration : 154 bytes ! interface Serial1/2 ip address 180.40.7.3 255.255.255.224 encapsulation frame-relay frame-relay map ip 180.40.7.2 23 frame-relay intf-type dce end R3(config-if)#do sh      o pin 180.40.7.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 180.40.7.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/30/32 ms R3(config-if)# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(config-if)#67x    RACK10AS#2 [Resuming connection 2 to r2 ... ] R2(config-if)#do pin 180.40.7.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 180.40.7.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/29/32 ms R2(config-if)#do sh   h ip ospf int s 1/2 Serial1/2 is up, line protocol is up Internet Address 180.40.7.2/27, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 7812 Transmit Delay is 1 sec, State WAITING, Priority 1 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 00:00:04 Wait time before Designated router selection 00:00:04 Index 2/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 2, 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) R2(config-if)#ip ospf net R2(config-if)#ip ospf network po R2(config-if)#ip ospf network point-to-m R2(config-if)#ip ospf network point-to-multipoint R2(config-if)# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3(config-if)#ip ospf net p R3(config-if)#ip ospf net point-to-m R3(config-if)#ip ospf net point-to-multipoint R3(config-if)#^Z R3#sh *Mar 1 08:58:50.413: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - 00:00:38 208.28.1.1 OSPF_VL2 2.2.2.2 0 FULL/ - 00:00:37 208.28.1.3 OSPF_VL1 4.4.4.4 1 FULL/BDR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/DROTHER 00:01:58 208.28.1.3 Serial1/0 11.11.11.11 0 FULL/DROTHER 00:01:58 208.28.1.1 Serial1/0 R3#deb ip ospf         fram pack Frame Relay packet debugging is on R3# *Mar 1 08:59:18.856: Serial1/2: broadcast search *Mar 1 08:59:18.856: Serial1/2:encaps failed on broadcast for link 7(IP) *Mar 1 08:59:19.449: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:19.725: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:19.801: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 R3# *Mar 1 08:59:20.062: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:20.106: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:20.186: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:20.322: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:20.422: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:20.611: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:20.987: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 R3# *Mar 1 08:59:21.051: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:21.095: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 *Mar 1 08:59:21.224: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3# *Mar 1 08:59:24.044: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:24.253: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:24.461: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:24.806: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:24.858: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 R3# *Mar 1 08:59:25.102: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:25.246: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:25.274: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:25.394: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:25.499: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:25.843: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:25.903: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3# *Mar 1 08:59:26.060: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 R3# *Mar 1 08:59:28.612: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:28.972: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:29.273: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:29.337: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 R3# *Mar 1 08:59:29.617: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:29.778: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:29.846: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:29.902: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:30.142: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:30.439: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 R3# *Mar 1 08:59:30.623: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:30.691: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:30.747: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 R3# *Mar 1 08:59:33.464: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:33.792: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:33.800: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:33.973: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:34.233: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 R3# *Mar 1 08:59:34.525: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:34.582: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:34.826: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:34.834: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:35.195: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:35.259: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:35.343: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3# *Mar 1 08:59:35.511: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 R3# *Mar 1 08:59:36.889: Serial1/0(i): dlci 301(0x48D1), pkt type 0x2000, datagramsize 339 *Mar 1 08:59:36.905: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 84 R3# *Mar 1 08:59:38.035: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:38.360: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:38.688: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:38.804: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:38.933: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 R3# *Mar 1 08:59:39.089: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:39.337: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:39.554: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:39.702: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:39.762: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:39.826: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 R3# *Mar 1 08:59:40.207: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 *Mar 1 08:59:40.235: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3# *Mar 1 08:59:42.867: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:42.883: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:43.516: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:43.624: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:43.865: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 124 R3# *Mar 1 08:59:43.993: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:44.053: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 84 *Mar 1 08:59:44.125: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 *Mar 1 08:59:44.330: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:44.662: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:44.686: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:44.730: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 R3# *Mar 1 08:59:45.235: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3# *Mar 1 08:59:46.850: Serial1/0: broadcast search *Mar 1 08:59:46.850: Serial1/0: Broadcast on DLCI 302 link 7 *Mar 1 08:59:46.850: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 88 *Mar 1 08:59:46.850: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 88 *Mar 1 08:59:46.910: broadcast dequeue *Mar 1 08:59:46.910: Serial1/0(o):Pkt sent on dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 88 *Mar 1 08:59:46.910: broadcast dequeue *Mar 1 08:59:46.910: Serial1/0(o):Pkt sent on dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 88 *Mar 1 08:59:47.451: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 R3# *Mar 1 08:59:47.655: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 180 *Mar 1 08:59:48.276: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:48.372: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 96 *Mar 1 08:59:48.605: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 124 *Mar 1 08:59:48.645: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 152 R3# *Mar 1 08:59:48.721: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 96 *Mar 1 08:59:48.857: Serial1/2: broadcast search *Mar 1 08:59:48.857: Serial1/2:encaps failed on broadcast for link 7(IP) *Mar 1 08:59:49.017: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 124 *Mar 1 08:59:49.318: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 116 *Mar 1 08:59:49.358: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 128 *Mar 1 08:59:49.462: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 184 R3#u a *Mar 1 08:59:50.147: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 116 R3#u all All possible debugging has been turned off R3# *Mar 1 08:59:52.078: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 124 R3#confi gt  t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#net  ei 180.40.7.2 OSPF: Cost or database-filter option is required for point-to-multipoint broadcast network R3(config-router)#nei 180.40.7.2 ? 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)#nei 180.40.7.2 co R3(config-router)#nei 180.40.7.2 cost 1-0  00 R3(config-router)#^Z R3# RACK10AS#3 [Resuming connection 3 to r3 ... ] *Mar 1 09:00:57.141: %SYS-5-CONFIG_I: Configured from console by console R3# R3# R3#2 Trying 2... % Destination unreachable; gateway or host down % Unknown command or computer name, or unable to find computer address R3# R3#c  RACK10AS#2 [Resuming connection 2 to r2 ... ] R2(config-if)#routr   er ospf 1 R2(config-router)#nei 180.40.7.3 cost 100 R2(config-router)#^Z R2#deb *Mar 1 09:01:18.844: %SYS-5-CONFIG_I: Configured from console by console R2#deb ip ospf pack OSPF packet debugging is on R2# *Mar 1 09:01:25.411: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 R2#deb ip ospf pack *Mar 1 09:01:27.599: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:9356 aut:0 auk: from Serial1/0.1 *Mar 1 09:01:27.619: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:9851 aut:0 auk: from Serial1/0.1 *Mar 1 09:01:27.707: OSPF: rcv. v:2 t:4 l:56 rid:3.3.3.3 aid:0.0.0.200 chk:A643 aut:0 auk: from Serial1/0.1 *Mar 1 09:01:28.268: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91D04C from Serial1/0.2 R2#deb ip ospf pack    eve OSPF events debugging is on R2#deb ip ospf eve   *Mar 1 09:01:35.412: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 *Mar 1 09:01:36.221: OSPF: Send with youngest Key 1 *Mar 1 09:01:36.281: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 R2#deb ip ospf e  *Mar 1 09:01:36.441: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 R2#deb ip ospf *Mar 1 09:01:37.828: OSPF: Send with youngest Key 1 *Mar 1 09:01:37.896: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:01:38.036: OSPF: Send with youngest Key 1 *Mar 1 09:01:38.252: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91D056 from Serial1/0.2 *Mar 1 09:01:38.252: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 09:01:38.252: OSPF: End of hello processing R2#deb ip ospf   *Mar 1 09:01:39.546: OSPF: service_maxage: Trying to delete MAXAGE LSA *Mar 1 09:01:40.488: OSPF: Send hello to 208.28.1.2 area 200 on Serial1/0.1 from 208.28.1.3 R2#u all All possible debugging has been turned off R2# *Mar 1 09:01:40.889: OSPF: Send with youngest Key 1 *Mar 1 09:01:41.249: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:01:41.634: OSPF: Send with youngest Key 1 *Mar 1 09:01:41.634: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2#u alldeb ip ospf eve OSPF events debugging is on R2# *Mar 1 09:01:45.412: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 09:01:45.412: OSPF: End of hello processing *Mar 1 09:01:45.588: OSPF: Send with youngest Key 1 *Mar 1 09:01:46.081: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 R2# *Mar 1 09:01:46.442: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 09:01:46.971: OSPF: Send with youngest Key 1 R2# *Mar 1 09:01:47.463: OSPF: Send with youngest Key 1 *Mar 1 09:01:47.796: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:01:48.293: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 09:01:48.293: OSPF: End of hello processing R2#u al *Mar 1 09:01:49.547: OSPF: service_maxage: Trying to delete MAXAGE LSA *Mar 1 09:01:50.180: OSPF: Send with youngest Key 1 *Mar 1 09:01:50.536: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 09:01:50.536: OSPF: End of hello processing R2#u all All possible debugging has been turned off R2# *Mar 1 09:01:50.633: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:01:51.634: OSPF: Send with youngest Key 1 *Mar 1 09:01:51.634: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 09:01:51.670: OSPF: Send with youngest Key 1 R2#q sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - 00:00:39 208.28.1.2 OSPF_VL0 11.11.11.11 0 FULL/ - 00:00:37 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:35 208.28.1.130 FastEthernet0/1 N/A 0 DOWN/ - - 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:40 208.28.1.2 Serial1/0.1 R2#sh ip ospf neiu all deb ip ospf eve OSPF events debugging is on R2#u *Mar 1 09:02:56.444: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 09:02:56.917: OSPF: Send with youngest Key 1 *Mar 1 09:02:57.081: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:02:57.294: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:02:58.275: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:02:58.332: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 09:02:58.332: OSPF: End of hello processing *Mar 1 09:02:59.025: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:02:59.550: OSPF: service_maxage: Trying to delete MAXAGE LSA R2#u all *Mar 1 09:03:01.637: OSPF: Send with youngest Key 1 *Mar 1 09:03:01.637: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 09:03:01.789: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:01.861: OSPF: Send with youngest Key 1 *Mar 1 09:03:02.150: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:03:02.963: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:03.560: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:03:05.411: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 09:03:05.411: OSPF: End of hello processing *Mar 1 09:03:06.413: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:03:06.445: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 09:03:06.629: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:06.777: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:03:07.799: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:08.084: OSPF: Send with youngest Key 1 *Mar 1 09:03:08.380: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 09:03:08.380: OSPF: End of hello processing R2#u all *Mar 1 09:03:09.550: OSPF: service_maxage: Trying to delete MAXAGE LSA *Mar 1 09:03:10.491: OSPF: Send hello to 208.28.1.2 area 200 on Serial1/0.1 from 208.28.1.3 R2#u all *Mar 1 09:03:11.096: OSPF: Send with youngest Key 1 *Mar 1 09:03:11.381: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:11.633: OSPF: Send with youngest Key 1 *Mar 1 09:03:11.637: OSPF: Send with youngest Key 1 *Mar 1 09:03:11.637: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2#u all *Mar 1 09:03:12.711: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:12.763: OSPF: Send with youngest Key 1 R2#u all *Mar 1 09:03:14.542: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.2 *Mar 1 09:03:15.412: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 09:03:15.412: OSPF: End of hello processing R2#u all All possible debugging has been turned off R2# *Mar 1 09:03:16.013: OSPF: Send with youngest Key 1 *Mar 1 09:03:16.125: OSPF: Rcv pkt from 208.28.1.2, OSPF_VL0 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:03:16.445: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 09:03:16.622: OSPF: Send with youngest Key 1 R2# OSPF_VL0 Translating "OSPF_VL0" Translating "OSPF_VL0" % Unknown command or computer name, or unable to find computer address R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int sa    s 1/2 R2(config-if)#ip ospf net p R2(config-if)#ip ospf net point-to-m R2(config-if)#ip ospf net point-to-multipoint n R2(config-if)#ip ospf net point-to-multipoint non-broadcast R2(config-if)#^Z R2# RACK10AS#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)#ip ospf nei  R3(config-if)#ip ospf network p R3(config-if)#ip ospf network point-to-m R3(config-if)#ip ospf network point-to-multipoint n R3(config-if)#ip ospf network point-to-multipoint non-broadcast R3(config-if)#^Z R3# *Mar 1 09:03:44.006: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/2 from DOWN to DOWN, Neighbor Down: Interface down or detached *Mar 1 09:03:44.495: %SYS-5-CONFIG_I: Configured from console by console R3# R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - 00:00:38 208.28.1.1 OSPF_VL2 2.2.2.2 0 FULL/ - 00:00:37 208.28.1.3 OSPF_VL1 4.4.4.4 1 FULL/BDR 00:00:37 17.80.1.2 FastEthernet0/0 N/A 0 DOWN/ - - 180.40.7.2 Serial1/2 2.2.2.2 0 FULL/DROTHER 00:01:48 208.28.1.3 Serial1/0 11.11.11.11 0 FULL/DROTHER 00:01:46 208.28.1.1 Serial1/0 R3#dbe   deb ip ospf eve OSPF events debugging is on R3# *Mar 1 09:04:13.783: OSPF: Send with youngest Key 1 *Mar 1 09:04:13.992: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:14.012: OSPF: Send hello to 180.40.7.2 area 200 on Serial1/2 from 180.40.7.3 *Mar 1 09:04:14.036: OSPF: Rcv DBD from 2.2.2.2 on Serial1/2 seq 0x1955 opt 0x52 flag 0x7 len 32 mtu 1500 state INIT *Mar 1 09:04:14.036: OSPF: 2 Way Communication to 2.2.2.2 on Serial1/2, state 2WAY *Mar 1 09:04:14.036: OSPF: Send DBD to 2.2.2.2 on Serial1/2 seq 0x1A09 opt 0x52 flag 0x7 len 32 *Mar 1 09:04:14.036: OSPF: First DBD and we are not SLAVE *Mar 1 09:04:14.144: OSPF: Rcv hello from 11.11.11.11 area 200 from Serial1/0 208.28.1.1 *Mar 1 09:04:14.144: OSPF: End of hello processing *Mar 1 09:04:14.152: OSPF: Rcv DBD from 2.2.2.2 on Serial1/2 seq 0x1A09 opt 0x52 flag 0x2 len 792 mtu 1500 state EXSTART *Mar 1 09:04:14.156: OSPF: NBR Negotiation Done. We are the MASTER *Mar 1 09:04:14.156: OSPF: Send DB R3#D to 2.2.2.2 on Serial1/2 seq 0x1A0A opt 0x52 flag 0x3 len 792 *Mar 1 09:04:14.272: OSPF: Rcv DBD from 2.2.2.2 on Serial1/2 seq 0x1A0A opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE *Mar 1 09:04:14.276: OSPF: Send DBD to 2.2.2.2 on Serial1/2 seq 0x1A0B opt 0x52 flag 0x1 len 32 *Mar 1 09:04:14.296: OSPF: Rcv DBD from 2.2.2.2 on Serial1/2 seq 0x1A0B opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE *Mar 1 09:04:14.300: OSPF: Exchange Done with 2.2.2.2 on Serial1/2 *Mar 1 09:04:14.300: OSPF: Synchronized with 2.2.2.2 on Serial1/2, state FULL *Mar 1 09:04:14.300: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done *Mar 1 09:04:14.492: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:14.837: OSPF: Send with youngest Key 1 *Mar 1 09:04:15.093: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:15.406: OSPF: Send with youngest Key 1 *Mar 1 09:04:15.590: OSPF: Rcv hello from 4.4.4.4 area 51 from FastEthernet0/0 17.80.1.2 *Mar 1 09:04:15.590: OSPF: End of hello processing *Mar 1 09:04:15.594: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:16.239: OSPF: Send with youngest Key 1 *Mar 1 09:04:16.484: OSPF: service_maxage: Trying to delete MAXAGE LSA R3# R3# *Mar 1 09:04:16.756: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:16.860: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/0 from 208.28.1.2 R3# *Mar 1 09:04:18.699: OSPF: Send with youngest Key 1 *Mar 1 09:04:18.783: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.024: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.637: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.777: OSPF: Send with youngest Key 1 *Mar 1 09:04:19.801: OSPF: Send with youngest Key 1 *Mar 1 09:04:19.801: OSPF: Send with youngest Key 1 *Mar 1 09:04:19.817: OSPF: Rcv pkt from 208.28.1.3, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.833: OSPF: Send with youngest Key 1 *Mar 1 09:04:19.833: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.837: OSPF: Send with youngest Key 1 *Mar 1 09:04:19.917: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - R3# Message Digest Key 1 *Mar 1 09:04:19.953: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:19.957: OSPF: Send with youngest Key 1 *Mar 1 09:04:20.198: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:20.306: OSPF: Send with youngest Key 1 *Mar 1 09:04:20.306: OSPF: Send with youngest Key 1 *Mar 1 09:04:20.306: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:20.438: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 R3# *Mar 1 09:04:21.476: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/0 from 17.80.1.1 R3# *Mar 1 09:04:23.495: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:23.563: OSPF: Send with youngest Key 1 *Mar 1 09:04:23.611: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.280: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.296: OSPF: Send with youngest Key 1 *Mar 1 09:04:24.333: OSPF: Send with youngest Key 1 *Mar 1 09:04:24.361: OSPF: Send with youngest Key 1 R3# *Mar 1 09:04:24.517: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.557: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.665: OSPF: Send with youngest Key 1 *Mar 1 09:04:24.705: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.705: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:24.777: OSPF: Send with youngest Key 1 *Mar 1 09:04:25.046: OSPF: Send with youngest Key 1 *Mar 1 09:04:25.062: OSPF: Send with youngest Key 1 R3# *Mar 1 09:04:25.190: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:25.194: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:25.270: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:25.591: OSPF: Rcv hello from 4.4.4.4 area 51 from FastEthernet0/0 17.80.1.2 *Mar 1 09:04:25.591: OSPF: End of hello processing R3# *Mar 1 09:04:26.484: OSPF: service_maxage: Trying to delete MAXAGE LSA R3# *Mar 1 09:04:28.427: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:28.467: OSPF: Send with youngest Key 1 *Mar 1 09:04:28.916: OSPF: Send with youngest Key 1 *Mar 1 09:04:28.916: OSPF: Send with youngest Key 1 *Mar 1 09:04:29.128: OSPF: Send with youngest Key 1 *Mar 1 09:04:29.188: OSPF: Send with youngest Key 1 *Mar 1 09:04:29.221: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:29.497: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:29.597: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:29.645: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:29.777: OSPF: Send with youngest Key 1 *Mar 1 09:04:29.978: OSPF: Send with youngest Key 1 *Mar 1 09:04:29.998: OSPF: Send with y R3#oungest Key 1 *Mar 1 09:04:30.082: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:30.094: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:30.158: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 R3# *Mar 1 09:04:31.476: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/0 from 17.80.1.1 R3#u all All possible debugging has been turned off R3# *Mar 1 09:04:33.167: OSPF: Send with youngest Key 1 *Mar 1 09:04:33.175: OSPF: Rcv hello from 2.2.2.2 area 200 from Serial1/2 180.40.7.2 *Mar 1 09:04:33.175: OSPF: End of hello processing *Mar 1 09:04:33.359: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:33.451: OSPF: Send with youngest Key 1 *Mar 1 09:04:33.552: OSPF: Send with youngest Key 1 *Mar 1 09:04:33.864: OSPF: Send with youngest Key 1 *Mar 1 09:04:33.984: OSPF: Send with youngest Key 1 *Mar 1 09:04:34.081: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 R3# *Mar 1 09:04:34.193: OSPF: Rcv pkt from 208.28.1.1, OSPF_VL2 : Mismatch Authentication Key - Message Digest Key 1 *Mar 1 09:04:34.469: OSPF: Rcv pkt from 180.40.7.2, OSPF_VL1 : Mismatch Authentication Key - Message Digest Key 1 R3#u alldeb ip ospf evesh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - 00:00:39 208.28.1.1 OSPF_VL2 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 OSPF_VL1 4.4.4.4 1 FULL/BDR 00:00:36 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:01:53 180.40.7.2 Serial1/2 2.2.2.2 0 FULL/DROTHER 00:01:57 208.28.1.3 Serial1/0 11.11.11.11 0 FULL/DROTHER 00:01:53 208.28.1.1 Serial1/0 R3# RACK10AS#2 [Resuming connection 2 to r2 ... ] *Mar sh run | b 1/2 interface Serial1/2 ip address 180.40.7.2 255.255.255.224 encapsulation frame-relay ip ospf network point-to-multipoint non-broadcast clock rate 64000 frame-relay map ip 180.40.7.3 23 ! 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 shutdown ! --More--  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 message-digest area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco redistribute connected subnets tag 2 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 51 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 neighbor 180.40.7.3 cost 100 ! ip classless ! no ip http server --More--   R2# RACK10AS#3 [Resuming connection 3 to r3 ... ] R3#sh run | b 1/2 interface Serial1/2 ip address 180.40.7.3 255.255.255.224 encapsulation frame-relay ip ospf network point-to-multipoint non-broadcast frame-relay map ip 180.40.7.2 23 frame-relay intf-type dce ! 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 shutdown ! --More--  interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 200 virtual-link 11.11.11.11 message-digest-key 1 md5 nocisco area 200 virtual-link 2.2.2.2 message-digest-key 1 md5 nocisco redistribute connected subnets tag 3 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 180.40.7.2 cost 100 ! ip classless ! no ip http server no ip http secure-server ! ! --More--   R3#