单区域OSPF路由协议的配置2

1.拓扑图

2.在各路由器上配置ospf

  R1:

  R2:

  R3:

3.查看邻居表、拓扑表、路由表

   R1:

r1#show ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

12.1.1.2          1   FULL/BDR        00:00:36    12.1.1.2        FastEthernet0/0

12.1.1.2          1   FULL/BDR        00:00:31    123.1.1.2       FastEthernet0/1

33.3.3.3          1   FULL/DROTHER    00:00:31    123.1.1.3       FastEthernet0/1

r1#show ip ospf data

            OSPF Router with ID (123.1.1.1) (Process ID 1)

                Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

123.1.1.1       123.1.1.1       1108        0x80000009 0x00fcff 2

12.1.1.2        12.1.1.2        1109        0x80000009 0x00fcff 2

33.3.3.3        33.3.3.3        950         0x8000000a 0x00fcff 2

                Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum

12.1.1.1        123.1.1.1       1119        0x8000000c 0x0094cc

123.1.1.1       123.1.1.1       959         0x8000000d 0x003198

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

     3.0.0.0/32 is subnetted, 1 subnets

O       3.3.3.3 [110/2] via 123.1.1.3, 02:46:18, FastEthernet0/1

     12.0.0.0/24 is subnetted, 1 subnets

C       12.1.1.0 is directly connected, FastEthernet0/0

     123.0.0.0/24 is subnetted, 1 subnets

C       123.1.1.0 is directly connected, FastEthernet0/1

r1#

   R2:

r2#show ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

123.1.1.1         1   FULL/DR         00:00:31    12.1.1.1        FastEthernet0/0

123.1.1.1         1   FULL/DR         00:00:36    123.1.1.1       FastEthernet0/1

33.3.3.3          1   FULL/DROTHER    00:00:35    123.1.1.3       FastEthernet0/1

r2#show ip ospf data

            OSPF Router with ID (12.1.1.2) (Process ID 1)

                Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

12.1.1.2        12.1.1.2        1280        0x80000009 0x00fcff 2

123.1.1.1       123.1.1.1       1280        0x80000009 0x00fcff 2

33.3.3.3        33.3.3.3        1122        0x8000000a 0x00fcff 2

                Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum

12.1.1.1        123.1.1.1       1291        0x8000000c 0x0094cc

123.1.1.1       123.1.1.1       1131        0x8000000d 0x003198

r2#sho 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

     3.0.0.0/32 is subnetted, 1 subnets

O       3.3.3.3 [110/2] via 123.1.1.3, 02:49:14, FastEthernet0/1

     12.0.0.0/24 is subnetted, 1 subnets

C       12.1.1.0 is directly connected, FastEthernet0/0

     123.0.0.0/24 is subnetted, 1 subnets

C       123.1.1.0 is directly connected, FastEthernet0/1

r2#

   R3:

r3#

r3#show ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

12.1.1.2          1   FULL/BDR        00:00:39    123.1.1.2       FastEthernet0/0

123.1.1.1         1   FULL/DR         00:00:30    123.1.1.1       FastEthernet0/0

r3#show ip ospf data

            OSPF Router with ID (33.3.3.3) (Process ID 100)

                Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

33.3.3.3        33.3.3.3        1179        0x8000000a 0x00fcff 2

12.1.1.2        12.1.1.2        1339        0x80000009 0x00fcff 2

123.1.1.1       123.1.1.1       1338        0x80000009 0x00fcff 2

                Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum

12.1.1.1        123.1.1.1       1349        0x8000000c 0x0094cc

123.1.1.1       123.1.1.1       1189        0x8000000d 0x003198

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

       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

     3.0.0.0/24 is subnetted, 1 subnets

C       3.3.3.0 is directly connected, Loopback0

     12.0.0.0/24 is subnetted, 1 subnets

O       12.1.1.0 [110/2] via 123.1.1.2, 02:50:15, FastEthernet0/0

                 [110/2] via 123.1.1.1, 02:50:15, FastEthernet0/0

     33.0.0.0/24 is subnetted, 1 subnets

C       33.3.3.0 is directly connected, Loopback1

     123.0.0.0/24 is subnetted, 1 subnets

C       123.1.1.0 is directly connected, FastEthernet0/0

r3#

r3#