1．基本配置 r1(config)#no ip domain-lo r1(config)#line con 0 r1(config-line)#no exec-t r1(config-line)#logg s r1(config-line)# r1(config-line)# r1(config-line)#exit r1(config)#int e1/0 r1(config-if)#ip add 12.0.0.1 255.255.255.0 r1(config-if)#no sh r1(config-if)#int e1/2 r1(config-if)#ip add 12.0.1.1 255.255.255.0 r1(config-if)#no sh r1(config)#int e1/1 r1(config-if)#ip add 14.0.0.1 255.255.255.0 r1(config-if)#no sh r1(config-if)#router rip r1(config-router)#version 2 r1(config-router)#net 12.0.0.0 r1(config-router)#net 12.0.1.0 r1(config-router)#net 14.0.0.0 r1(config-router)#exit r1(config-if)#^Z r2(config)#no ip domain-lo r2(config)#line con 0 r2(config-line)#no exec-t r2(config-line)#logg s r2(config-line)# r2(config-line)#exit r2(config)#int e2/0 r2(config-if)#ip add 12.0.0.2 255.255.255.0 r2(config-if)#no sh r2(config-if)#int e2/1 r2(config-if)#ip add 12.0.1.2 255.255.255.0 r2(config-if)#no sh r2(config-if)#int e2/3 r2(config-if)#ip add 23.0.0.2 255.255.255.0 r2(config-if)#no sh r2(config-if)#router rip r2(config-router)#version 2 r2(config-router)#net 12.0.0.0 r2(config-router)#net 12.0.1.0 r2(config-router)#net 23.0.0. r2(config-router)#net 23.0.0.0 r2(config-router)#^Z r2# r3(config)#no ip domain-lo r3(config)#line con 0 r3(config-line)#no exec-t r3(config-line)#logg s r3(config-line)#exit r3(config)#no ip routing ——————关闭路由功能，将其模拟成主机 r3(config)#int e3/2 r3(config-if)#ip add 23.0.0.3 255.255.255.0 r3(config-if)#no sh r4(config)#no ip domain-lo r4(config)#line con 0 r4(config-line)#no exec-t r4(config-line)#logg s r4(config-line)#exit r4(config)#int e0/0 r4(config-if)#ip add 14.0.0.4 255.255.255.0 r4(config-if)#no sh r4(config)#no ip routing r4(config)# 2．查看路由表 r1#show ip rout 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 R 23.0.0.0/8 [120/1] via 12.0.1.2, 00:00:04, Ethernet1/2 [120/1] via 12.0.0.2, 00:00:18, Ethernet1/0 12.0.0.0/24 is subnetted, 2 subnets C 12.0.0.0 is directly connected, Ethernet1/0 C 12.0.1.0 is directly connected, Ethernet1/2 14.0.0.0/24 is subnetted, 1 subnets C 14.0.0.0 is directly connected, Ethernet1/1 r2#show ip rout 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 23.0.0.0/24 is subnetted, 1 subnets C 23.0.0.0 is directly connected, Ethernet2/3 12.0.0.0/24 is subnetted, 2 subnets C 12.0.0.0 is directly connected, Ethernet2/0 C 12.0.1.0 is directly connected, Ethernet2/1 R 14.0.0.0/8 [120/1] via 12.0.1.1, 00:00:18, Ethernet2/1 [120/1] via 12.0.0.1, 00:00:00, Ethernet2/0 r2#conf t 3．测试连通性 R3#ping 14.0.0.4 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 14.0.0.4, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 52/80/116 ms R4#ping 23.0.0.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 23.0.0.3, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 40/65/84 ms 4．配置浮动路由 r1(config)#ip route 23.0.0.0 255.255.255.0 12.0.0.2 100 r2(config)#ip route 14.0.0.0 255.255.255.0 12.0.0.1 100 注意浮动路由的配置命令，在静态路由后面加一个0~255的管理距离 5．查看路由表 r1#clear ip route *————清除路由表 r1#show ip rout 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 R 23.0.0.0/8 [120/1] via 12.0.1.2, 00:00:02, Ethernet1/2 [120/1] via 12.0.0.2, 00:00:00, Ethernet1/0 12.0.0.0/24 is subnetted, 2 subnets C 12.0.0.0 is directly connected, Ethernet1/0 C 12.0.1.0 is directly connected, Ethernet1/2 14.0.0.0/24 is subnetted, 1 subnets C 14.0.0.0 is directly connected, Ethernet1/1 r2#clear ip route *————清除路由表 r2#show 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 23.0.0.0/24 is subnetted, 1 subnets C 23.0.0.0 is directly connected, Ethernet2/3 12.0.0.0/24 is subnetted, 2 subnets C 12.0.0.0 is directly connected, Ethernet2/0 C 12.0.1.0 is directly connected, Ethernet2/1 R 14.0.0.0/8 [120/1] via 12.0.1.1, 00:00:02, Ethernet2/1 [120/1] via 12.0.0.1, 00:00:02, Ethernet2/0 会发现，r1，r2上都没有刚才写的浮动路由，只有当rip协议down了之后，才能在路由表了看见指一条静态路由 6．关闭rip r1(config)#no router rip r1#show 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 23.0.0.0/24 is subnetted, 1 subnets S 23.0.0.0 [100/0] via 12.0.0.2 [100/0] via 12.0.0.0 12.0.0.0/24 is subnetted, 2 subnets C 12.0.0.0 is directly connected, Ethernet1/0 C 12.0.1.0 is directly connected, Ethernet1/2 14.0.0.0/24 is subnetted, 1 subnets C 14.0.0.0 is directly connected, Ethernet1/1 r1# 1) | 
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