这次静态路由实验的拓扑图如下，三台router0、1、2和两台PC0、1组成一个金字塔形状的网络： 实验的要求：最终要求PC0发送的数据包经过1线路到达PC1 ， PC1发送的数据包经过经过2线路到达pc0。 Router(config-if)#ip add 192.168.30.2 255.255.255.0 Router(config-if)#no shut Router(config-if)#int f1/0 Router(config-if)#ip add 192.168.40.2 255.255.255.0 Router(config-if)#no shut Router(config-if)#int f0/1 Router(config-if)#ip add 192.168.50.1 255.255.255.0 Router(config-if)#no shut Router0 配置接口ip： Router>en Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int f0/0 Router(config-if)#ip add 192.168.20.2 255.255.255.0 Router(config-if)#no shut Router(config-if)#int f0/1 Router(config-if)#ip add 192.168.30.1 255.255.255.0 Router(config-if)#no shut Router1 配置静态路由，如下： r1(config)#ip route 192.168.50.0 255.255.255.0 f0/1 查看路由表，如下图： r1#sh 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 C 192.168.10.0/24 is directly connected, FastEthernet0/0 C 192.168.20.0/24 is directly connected, FastEthernet0/1 C 192.168.40.0/24 is directly connected, FastEthernet1/0 S 192.168.50.0/24 is directly connected, FastEthernet0/1 Router0有两条直连路由，所以需要添加一条到达 192.168.50.0 的路由，特权模式，如下命令： r0(config)#ip route 192.168.50.0 255.255.255.0 f0/1 查看路由表，如下： r0#sh 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 C 192.168.20.0/24 is directly connected, FastEthernet0/0 C 192.168.30.0/24 is directly connected, FastEthernet0/1 S 192.168.50.0/24 is directly connected, FastEthernet0/1 Router2有三条直连路由，只需要添加一条到达192.168.10.0 的静态路由，出站口为f1/0命令如下： r2(config)#ip route 192.168.10.0 255.255.255.0 f1/0 查看路由表： r2#sh 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 S 192.168.10.0/24 is directly connected, FastEthernet1/0 C 192.168.30.0/24 is directly connected, FastEthernet0/0 C 192.168.40.0/24 is directly connected, FastEthernet1/0 C 192.168.50.0/24 is directly connected, FastEthernet0/1 客户端测试：pc0可以ping通pc1，如下图： 使用抓包工具，观察经过的路径，首先在路由器中把停止cdp协议的运行，全局配置模式，使用命令： (config)#no cdp run |
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