详解BSCI实验二、配置ospf验证,汇总,虚链路
2010-01-12 10:13
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实验二、配置ospf验证,汇总,虚链路 环境:三台路由器串口相连,其它接口配置如图 要求:1.在area 1配置ospf虚链路,router-id如图配置 2.将R1的LOOP口配置ospf手工路由汇总 3. 配置ospf接口验证(R1 和R2) 4.使用show命令查看结果 步骤一: 配置三个路由器接口使其连通。 R1的配置 R1(config)# interface Loopback0 R1(config-if)# ip address 30.1.1.1 255.255.255.0 R1(config)# interface Loopback1 R1(config-if)# ip address 30.1.2.1 255.255.255.0 R1(config)# interface Loopback2 R1(config-if)# ip address 30.1.3.1 255.255.255.0 R1(config)# interface s0 R1(config-if)# ip address 10.1.1.1 255.255.255.0 R1(config-if)#no shutdown R2的配置 R2(config)# interface Loopback0 R2(config-if)# ip address 50.1.1.1 255.255.255.0 R2(config)# interface s0 R2(config-if)# ip address 10.1.1.2 255.255.255.0 R2(config-if)#clockrate 64000 R2(config-if)#no shutdown R2(config)# interface s1 R2(config-if)# ip address 20.1.1.1 255.255.255.0 R2(config-if)#no shutdown R3的配置 R3(config)# interface Loopback0 R3(config-if)# ip address 40.1.1.1 255.255.255.0 R3(config)# interface s1 R3(config-if)# ip address 20.1.1.2 255.255.255.0 R3(config-if)#clockrate 64000 R3(config)#no shutdown 步骤二: 配置ospf R1的配置 R1(config)#router ospf 1 à启用ospf协议,进程号为1 R1(config-router)#router-id 1.1.1.1 à配置router-id R1(config-router)#network 10.1.1.0 0.0.0.255 area 1 à将接口参与到区域1内 R1(config-router)#network 30.1.1.0 0.0.0.255 area 0 à将接口参与到区域0内 R1(config-router)#network 30.1.2.0 0.0.0.255 area 0 R1(config-router)#network 30.1.3.0 0.0.0.255 area 0 R2的配置 R2(config)#router ospf 1 R2(config-router)#router-id 2.2.2.2 R2(config-router)#network 10.1.1.0 0.0.0.255 area 1 R2(config-router)#network 20.1.1.0 0.0.0.255 area 2 à将接口参与到区域2内 R2(config-router)#network 50.1.1.0 0.0.0.255 area 1 R3的配置 R3(config)#router ospf 2 R3(config-router)#router-id 3.3.3.3 R3(config-router)#network 20.1.1.0 0.0.0.255 area 2 R3(config-router)#network 40.1.1.0 0.0.0.255 area 2 步骤三:配置ospf虚链路 R1的配置 R1(config)#router ospf 1 R1(config-router)# area 1 virtual-link 2.2.2.2 à配置虚电路,指对端的router-id R2的配置 R2(config)#router ospf 1 R2(config-router)# area 1 virtual-link 1.1.1.1 步骤四:配置ospf手工路由汇总 R1的配置 R1(config)#router ospf 1 R1(config-router)# area 0 range 30.1.0.0 255.255.252.0 à手工汇总路由 R2的配置 R2(config)#router ospf 1 R2(config-router)# area 0 range 30.1.0.0 255.255.252.0 à因你的区域0已经延伸到此 步骤五:配置ospf接口验证(R1 和R2) R1的配置 R1(config)# interface Serial0 R1(config-if)# ip ospf authentication message-digest à启用验证 R1(config-if)# ip ospf message-digest-key 1 md5 cisco à定义密钥 R2的配置 R2(config)# interface Serial0 R2(config-if)# ip ospf authentication message-digest R2(config-if)# ip ospf message-digest-key 1 md5 cisco à两端必须一致 步骤六:查看路由表 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, 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 50.0.0.0/32 is subnetted, 1 subnets O 50.1.1.1 [110/65] via 10.1.1.2, 00:09:41, Serial0 àOSPF域内学来的路由条目 20.0.0.0/24 is subnetted, 1 subnets O IA 20.1.1.0 [110/128] via 10.1.1.2, 00:09:31, Serial0 àOSPF域间学来的路由条目 40.0.0.0/32 is subnetted, 1 subnets O IA 40.1.1.1 [110/129] via 10.1.1.2, 00:09:31, Serial0 10.0.0.0/24 is subnetted, 1 subnets C 10.1.1.0 is directly connected, Serial0 30.0.0.0/8 is variably subnetted, 4 subnets, 2 masks C 30.1.3.0/24 is directly connected, Loopback2 C 30.1.2.0/24 is directly connected, Loopback1 C 30.1.1.0/24 is directly connected, Loopback0 O 30.1.0.0/22 is a summary, 00:09:32, Null0 à手工汇总的条目 R2#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, 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 50.0.0.0/24 is subnetted, 1 subnets C 50.1.1.0 is directly connected, Loopback0 20.0.0.0/24 is subnetted, 1 subnets C 20.1.1.0 is directly connected, Serial1 40.0.0.0/32 is subnetted, 1 subnets O 40.1.1.1 [110/65] via 20.1.1.2, 00:04:48, Serial1 10.0.0.0/24 is subnetted, 1 subnets C 10.1.1.0 is directly connected, Serial0 30.0.0.0/8 is variably subnetted, 4 subnets, 2 masks O 30.1.2.1/32 [110/65] via 10.1.1.1, 00:04:38, Serial0 O 30.1.3.1/32 [110/65] via 10.1.1.1, 00:04:39, Serial0 O 30.1.0.0/22 is a summary, 00:04:39, Null0 O 30.1.1.1/32 [110/65] via 10.1.1.1, 00:04:39, Serial0 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, 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 50.0.0.0/32 is subnetted, 1 subnets O IA 50.1.1.1 [110/65] via 20.1.1.1, 00:02:02, Serial1 20.0.0.0/24 is subnetted, 1 subnets C 20.1.1.0 is directly connected, Serial1 40.0.0.0/24 is subnetted, 1 subnets C 40.1.1.0 is directly connected, Loopback0 10.0.0.0/24 is subnetted, 1 subnets O IA 10.1.1.0 [110/128] via 20.1.1.1, 00:02:02, Serial1 30.0.0.0/22 is subnetted, 1 subnets O IA 30.1.0.0 [110/129] via 20.1.1.1, 00:01:47, Serial1 步骤七:查看邻居表 R1#show ip ospf neighbor à邻居已建立,点对点无DR之说 Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/ - 00:00:33 10.1.1.2 Serial0 R2#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/ - 00:00:33 10.1.1.1 Serial0 3.3.3.3 1 FULL/ - 00:00:34 20.1.1.2 Serial1 R3#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/ - 00:00:37 20.1.1.1 Serial1 步骤八:用ping命令测试 R1#ping 40.1.1.1 à测试连通性 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/60/68 ms R1#ping 50.1.1.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/36 ms R2#ping 30.1.1.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms 步骤九:显示当前配置信息 R1的配置信息 R1#sh run hostname R1 ! interface Loopback0 ip address 30.1.1.1 255.255.255.0 ! interface Loopback1 ip address 30.1.2.1 255.255.255.0 ! interface Loopback2 ip address 30.1.3.1 255.255.255.0 ! interface Serial0 ip address 10.1.1.1 255.255.255.0 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 cisco ! router ospf 1 router-id 1.1.1.1 area 0 range 30.1.0.0 255.255.252.0 area 1 virtual-link 2.2.2.2 network 10.1.1.0 0.0.0.255 area 1 network 30.1.1.0 0.0.0.255 area 0 network 30.1.2.0 0.0.0.255 area 0 network 30.1.3.0 0.0.0.255 area 0 end R2#sh run hostname R2 interface Loopback0 ip address 50.1.1.1 255.255.255.0 ! interface Serial0 ip address 10.1.1.2 255.255.255.0 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 cisco clockrate 64000 ! interface Serial1 ip address 20.1.1.1 255.255.255.0 ! router ospf 1 router-id 2.2.2.2 area 0 range 30.1.0.0 255.255.252.0 area 1 virtual-link 1.1.1.1 network 10.1.1.0 0.0.0.255 area 1 network 20.1.1.0 0.0.0.255 area 2 network 50.1.1.0 0.0.0.255 area 1 end R3#sh run Hostname R3 ! interface Loopback0 ip address 40.1.1.1 255.255.255.0 ! interface Serial1 ip address 20.1.1.2 255.255.255.0 clockrate 64000 ! router ospf 2 router-id 3.3.3.3 network 20.1.1.0 0.0.0.255 area 2 network 40.1.1.0 0.0.0.255 area 2 end |
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