show ip ospf database OSPF Router with ID (10.1.2.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 10.1.2.1 10.1.2.1 350 0x80000003 0x860F 3 172.20.200.1 172.20.200.1 627 0x80000002 0x4D30 4 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.1.1.1 10.1.2.1 305 0x80000001 0xFBE4 10.1.12.0 10.1.2.1 340 0x80000001 0x8255 Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 10.1.1.1 10.1.1.1 307 0x80000002 0xE845 3 10.1.2.1 10.1.2.1 309 0x80000002 0x86C2 2 Summary Net Link States (Area 1) ID ADV Router Age Seq# Checksum 10.1.2.1 10.1.2.1 350 0x80000001 0x6EB1 10.1.3.1 10.1.2.1 351 0x80000001 0xE5F8 10.1.23.0 10.1.2.1 351 0x80000001 0x9C3 172.20.200.1 10.1.2.1 351 0x80000001 0x3F24 R2#
show ip ospf database OSPF Router with ID (10.1.2.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 10.1.2.1 10.1.2.1 107 0x80000005 0x8211 3 172.20.200.1 172.20.200.1 77 0x80000007 0x8BEB 4 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.1.1.1 10.1.2.1 867 0x80000001 0xFBE4 10.1.1.1 172.20.200.1 68 0x80000001 0x1E7C 10.1.12.0 10.1.2.1 902 0x80000001 0x8255 10.1.12.0 172.20.200.1 68 0x80000001 0x272A 192.168.1.0 10.1.2.1 66 0x80000003 0x393F 192.168.1.0 172.20.200.1 68 0x80000001 0xFA43 Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 10.1.1.1 10.1.1.1 75 0x80000004 0xA09B 4 10.1.2.1 10.1.2.1 872 0x80000002 0x86C2 2 172.20.200.1 172.20.200.1 73 0x80000002 0xFD3C 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.1.1 10.1.1.1 75 0x80000001 0x67C2 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 10.1.2.1 10.1.2.1 913 0x80000001 0x6EB1 10.1.2.1 172.20.200.1 80 0x80000001 0x3132 10.1.3.1 10.1.2.1 101 0x80000001 0xE5F8 10.1.3.1 172.20.200.1 80 0x80000001 0xA3FE 10.1.23.0 10.1.2.1 914 0x80000001 0x9C3 10.1.23.0 172.20.200.1 80 0x80000001 0x4907 172.20.200.1 10.1.2.1 91 0x80000001 0x3F24 172.20.200.1 172.20.200.1 80 0x80000001 0xFC2A R2# R2#show ip ospf border-routers OSPF Process 1 internal Routing Table Codes: i - Intra-area route, I - Inter-area route i 172.20.200.1 [74] via 10.1.12.1, Serial0, ABR, Area 1, SPF 6 i 172.20.200.1 [64] via 10.1.23.3, Serial1, ABR, Area 0, SPF 10
R1#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 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, 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 172.20.0.0/32 is subnetted, 1 subnets O IA 172.20.200.1 [110/11] via 192.168.1.3, 00:09:26, Ethernet0 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.1.12.0/24 is directly connected, Serial0 O IA 10.1.2.1/32 [110/65] via 10.1.12.2, 00:09:26, Serial0 O IA 10.1.3.1/32 [110/11] via 192.168.1.3, 00:09:26, Ethernet0 C 10.1.1.0/24 is directly connected, Loopback1 O IA 10.1.23.0/24 [110/74] via 192.168.1.3, 00:09:26, Ethernet0 C 192.168.1.0/24 is directly connected, Ethernet0 R1#
R1#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 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, 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 0.0.0.0 to network 0.0.0.0 R 5.0.0.0/8 [120/1] via 192.168.1.2, 00:00:13, Ethernet0 R 6.0.0.0/8 [120/1] via 192.168.1.2, 00:00:13, Ethernet0 172.20.0.0/32 is subnetted, 1 subnets O IA 172.20.200.1 [110/129] via 10.1.12.2, 00:01:34, Serial0 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.1.12.0/24 is directly connected, Serial0 O IA 10.1.2.1/32 [110/65] via 10.1.12.2, 00:01:34, Serial0 O IA 10.1.3.1/32 [110/129] via 10.1.12.2, 00:01:34, Serial0 C 10.1.1.0/24 is directly connected, Loopback1 O IA 10.1.23.0/24 [110/128] via 10.1.12.2, 00:01:35, Serial0 C 192.168.1.0/24 is directly connected, Ethernet0 S* 0.0.0.0/0 is directly connected, Serial0 R1#