拓扑图
配置命令
Router1
enableconf tint f 0/0ip add 192.168.1.1 255.255.255.0no shutdownexitint f 0/1ip add 192.168.2.1 255.255.255.0no shutdownendshow running-configip route 0.0.0.0 0.0.0.0 192.168.2.2show ip route
Router2
enable conf tint f 0/0ip add 192.168.2.2 255.255.255.0no shutdownexitint f 0/1ip add 192.168.3.1 255.255.255.0no shutdownendshow running-configip route 192.168.1.0 255.255.255.0 192.168.2.1ip route 192.168.4.0 255.255.255.0 192.168.3.2show ip route
Router3
enable conf tint f 0/0ip add 192.168.3.2 255.255.255.0no shutdownexitint f 0/1ip add 192.168.4.1 255.255.255.0no shutdownendshow running-configip route 0.0.0.0 0.0.0.0 192.168.3.1show ip route
实验结果
Router1
Router2
Router3
Ping