R1的配置 :(config)#interface s1 (-if)#ip address 10.1.1.1 255.255.255.0 (-if)#no shutdown (config)#interface loop 0 (-if)#ip address 1.1.1.1 255.255.255.0 (config)#router rip (config-router)#network 10.0.0.0 (config-router)#network 1.0.0.0 R2的配置(config)#interface s0 (-if)#clock rate 64000 (-if)#ip address 10.1.1.2 255.255.255.0 (-if)#no shutdown (config)#interface s1 (-if)#ip add 172.16.1.2 255.255.255.0 (-if)#no shutdown (config)#interface loop 0 (-if)#ip add 2.2.2.2 255.255.255.0 (config)#router rip (-router)#network 10.0.0.0 (-router)#network 172.16.0.0 (-router)#network 2.0.0.0 R3的配置:(config)#interface s0 (-if)#clock rate 64000 (-if)#ip address 172.16.1.3 255.255.255.0 (-if)#no shutdown (config)#interface s1 (-if)#ip address 192.168.1.3 255.255.255.0 (-if)#no shutdown (config)#interface loop 0 (-if)#ip address 3.3.3.3 255.255.255.0 (config)#ip route 0.0.0.0 0.0.0.0 s1 (config)#router rip (-router)#network 172.16.0.0 (-router)#network 192.168.1.0 (-router)#network 3.0.0.0 (config)#ip default-network 172.16.0.0注:将缺省路由发布到R1,R2 R4的配置(config)#interface s0 (-if)#clock rate 64000 (-if)#ip address 192.168.1.4 255.255.255.0 (-if)#no shutdown (-if)#ip add 4.4.4.4 255.255.255.0 (config)#ip route 0.0.0.0 0.0.0.0 s0 |