五、路由器或交换机配置的代码
路由器0配置代码：
Int Fa0/0 ip add 192.168.6.1 255.255.255.0 No shut
Int Se0/0/0 ip add 192.168.7.1 255.255.255.0 No shut
Int Se0/0/1 ip add 192.168.9.1 255.255.255.0 No shut
Int Ethernet0/1/0 ip add 192.168.4.1 255.255.255.0 No shut
路由器1配置代码：
Int Fa0/0 ip add 192.168.3.1 255.255.255.0 no shut Int Fa0/1 ip add 192.168.5.1 255.255.255.0 no shut Int Se0/0/0 ip add 192.168.7.2 255.255.255.0 no shut Int Ethernet0/1/0 ip add 192.168.8.1 255.255.255.0 no shut 路由器2配置代码：
Int Se0/0/1 ip add 192.168.9.2 255.255.255.0 no shut Int Fa0/0 ip add 192.168.2.1 255.255.255.0 no shut 路由器静态设置：