=~=~=~=~=~=~=~=~=~=~=~= 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 [11