手书千行: Router#en Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int f0/0.1 Router(config-subif)#en d 10 //接口封装dot1q协议，后面加上vlan ID Router(config-subif)#ip add 192.168.10.254 255.255.255.0 配置子接口IP地址 Router(config-subif)#no sh Router(config-subif)#int f0/0.2 Router(config-subif)#en d 20 //接口封装dot1q协议，后面加上vlan ID Router(config-subif)#ip add 192.168.20.254 255.255.255.0 Router(config-subif)#no sh Router(config-subif)#int f0/0 Router(config-if)#no sh Router(config-if)#end Router#w %SYS-5-CONFIG_I: Configured from console by console w Building configuration... [OK]