int fa 1/0 ip address 192.168.2.1 255.255.255.0 no shut exit int serial 2/0 ip address 192.168.3.2 255.255.255.0 no shut end R2 en conf t ip route 192.168.2.0 255.255.255.0 192.168.3.2 end show ip route R3 en conf t ip route 192.168.1.0 255.255.255.0 192.168.3.1 end show ip route...
这时IP192.176.100.1就是一个网关，192.176.100.2就是DNS和DHCP服务器地址