************************************* * TEST 1 * ************************************* All links are up. Trace route from host (192.168.141.5) at R4(area 1) to R5(area 2). Show routing table at R3. Take down FDDI link to R3. Record time for OSPF calculations at R3. Show new routing table at R3. Trace new route from host at R4 to R5. Take down serial link 2/1 from R3 to R1. Record time for OSPF calculations at R3. Show new routing table at R3. Reconnect serial link 2/1 from R3 to R1. Record time for OSPF calculations at R3. Reconnect FDDI link to R3. Record time for OSPF calculations at R3. *****----- interest02# traceroute 192.168.35.5 traceroute to 192.168.35.5 (192.168.35.5), 30 hops max, 40 byte packets 1 192.168.141.1 (192.168.141.1) 3.444 ms 2.658 ms 2.693 ms 2 192.168.24.2 (192.168.24.2) 17.749 ms 24.394 ms 17.657 ms 3 192.168.1.3 (192.168.1.3) 18.054 ms 17.515 ms 17.426 ms 4 192.168.35.5 (192.168.35.5) 36.715 ms * 34.056 ms *****----- *****----- R3#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route Gateway of last resort is not set O 192.168.12.0/24 [110/65] via 192.168.1.2, 00:26:01, Fddi0/0 [110/65] via 192.168.1.1, 00:26:01, Fddi0/0 C 192.168.13.0/24 is directly connected, Serial2/1 O IA 192.168.14.0/24 [110/65] via 192.168.1.1, 00:01:37, Fddi0/0 O 192.168.15.0/24 [110/128] via 192.168.35.5, 00:01:37, Serial2/0 O IA 192.168.24.0/24 [110/65] via 192.168.1.2, 00:01:37, Fddi0/0 C 192.168.23.0/24 is directly connected, Serial2/2 O 192.168.152.0/24 [110/74] via 192.168.35.5, 00:01:37, Serial2/0 C 192.168.35.0/24 is directly connected, Serial2/0 C 192.168.1.0/24 is directly connected, Fddi0/0 O IA 192.168.140.0/22 [110/75] via 192.168.1.1, 00:01:37, Fddi0/0 [110/75] via 192.168.1.2, 00:01:37, Fddi0/0 R3#debug ip ospf spf R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3#service timestamps debug R3(config)#interface fddi 0/0 R3(config-if)#shutdown . . . 35 seconds . . . R3(config-if)#end R3#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route Gateway of last resort is not set O 192.168.12.0/24 [110/128] via 192.168.23.2, 00:02:08, Serial2/2 [110/128] via 192.168.13.1, 00:02:08, Serial2/1 C 192.168.13.0/24 is directly connected, Serial2/1 O IA 192.168.14.0/24 [110/128] via 192.168.13.1, 00:02:08, Serial2/1 O 192.168.15.0/24 [110/128] via 192.168.35.5, 00:15:36, Serial2/0 O IA 192.168.24.0/24 [110/128] via 192.168.23.2, 00:02:08, Serial2/2 C 192.168.23.0/24 is directly connected, Serial2/2 O 192.168.152.0/24 [110/74] via 192.168.35.5, 00:15:36, Serial2/0 C 192.168.35.0/24 is directly connected, Serial2/0 O 192.168.1.0/24 [110/65] via 192.168.23.2, 00:02:08, Serial2/2 [110/65] via 192.168.13.1, 00:02:08, Serial2/1 O IA 192.168.140.0/22 [110/138] via 192.168.13.1, 00:02:08, Serial2/1 [110/138] via 192.168.23.2, 00:02:08, Serial2/2 *****----- *****----- interest02# traceroute 192.168.35.5 traceroute to 192.168.35.5 (192.168.35.5), 30 hops max, 40 byte packets 1 192.168.141.1 (192.168.141.1) 3.402 ms 2.663 ms 2.669 ms 2 192.168.24.2 (192.168.24.2) 18.796 ms 25.600 ms 17.623 ms 3 192.168.23.3 (192.168.23.3) 40.317 ms 32.865 ms 32.793 ms 4 192.168.35.5 (192.168.35.5) 40.871 ms * 40.995 ms interest02# *****----- *****----- R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#interface serial 2/1 R3(config-if)#shutdown . . . 10 seconds . . . R3(config-if)#end R3#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route Gateway of last resort is not set O 192.168.12.0/24 [110/128] via 192.168.23.2, 00:00:56, Serial2/2 O IA 192.168.14.0/24 [110/129] via 192.168.23.2, 00:00:56, Serial2/2 O 192.168.15.0/24 [110/128] via 192.168.35.5, 00:19:45, Serial2/0 O IA 192.168.24.0/24 [110/128] via 192.168.23.2, 00:00:56, Serial2/2 C 192.168.23.0/24 is directly connected, Serial2/2 O 192.168.152.0/24 [110/74] via 192.168.35.5, 00:19:45, Serial2/0 C 192.168.35.0/24 is directly connected, Serial2/0 O 192.168.1.0/24 [110/65] via 192.168.23.2, 00:00:56, Serial2/2 O IA 192.168.140.0/22 [110/138] via 192.168.23.2, 00:00:56, Serial2/2 R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#interface serial 2/1 R3(config-if)#no shutdown . . . 10 seconds . . . R3(config-if)#exit R3(config)#interface fddi 0/0 R3(config-if)#no shutdown . . . 10 seconds . . . ************************************* * END OF TEST 1 * *************************************