（2）、进入交换机特权模式

Switch>en （3）、进入全局配置模式 Switch#config t (4)激活路由

（5）、配置vlan地址

Switch>en Switch#config

Configuring from terminal, memory, or network [terminal]?

Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface vlan2

Switch(config-if)#

%LINK-5-CHANGED: Interface Vlan2, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to up

Switch(config-if)#ip address 126.15.122.15 255.255.255.224 Switch(config-if)#exit