Switch>enable #进入特权模式
Switch#configure terminal #进入全局配置模式
Switch(config)#hostname sw1 #修改交换机名称
#配置vlan10、vlan20
sw1(config)#vlan 10
sw1(config-vlan)#exit
sw1(config)#int vlan 10
sw1(config-if)#ip ad 192.168.1.254 255.255.255.0
sw1(config-if)#exit
sw1(config)#vlan 20
sw1(config-vlan)#exit
sw1(config)#int vlan 20
sw1(config-if)#ip ad 192.168.2.254 255.255.255.0
sw1(config-if)#exit
#配置vlan10 所属接口
sw1(config)#int f 0/1
sw1(config-if)#switchport mode access
sw1(config-if)#switchport access vlan 10
sw1(config)#int f 0/2
sw1(config-if)#switchport mode access
sw1(config-if)#switchport access vlan 10
sw1(config-if)#exit
#配置vlan20所属接口
sw1(config)#int f 0/4
sw1(config-if)#switchport mode access
sw1(config-if)#switchport access vlan 20
sw1(config-if)#exit
sw1(config)#int f 0/3
sw1(config-if)#switchport mode access
sw1(config-if)#switchport access vlan 20
sw1(config-if)#exit
测试：
sw1#show vlan
VLAN Name Status Ports
1 default active Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
Gig1/1, Gig1/2
10 VLAN0010 active Fa0/1, Fa0/2
20 VLAN0020 active Fa0/3, Fa0/4
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
#1.1测试
1.2联通
2.1 2.2超时
#2.1测试
2.2联通
1.1 1.2超时