TRUNK

SW1基本配置（f0/1加入vla2,f0/2加入vla3,f0/24为中继链路接口）

Switch>en Switch#vlan database Switch(vlan)#vlan 2 Switch(vlan)#vlan 3 Switch(vlan)#exit Switch#conf t Switch(config)#int f0/1 Switch(config-if)#switchport access vlan 2 Switch(config-if)#exit Switch(config)#int f0/2 Switch(config-if)#switchport access vlan 3 Switch(config-if)#end

SW2基本配置（f0/1加入vla2,f0/2加入vla3,f0/24为中继链路接口） Switch>en Switch#vlan database Switch(vlan)#vlan 2 Switch(vlan)#vlan 3 Switch(vlan)#exit Switch#conf t Switch(config)#int f0/1 Switch(config-if)#switchport access vlan 2 Switch(config-if)#exit Switch(config)#int f0/2 Switch(config-if)#switchport access vlan 3 Switch(config-if)#end

Switch#show vlan

VLAN Name                             Status    Ports

---- -------------------------------- --------- ------------------------------- 1    default                          active    Fa0/3, Fa0/4, 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 2    VLAN0002                         active    Fa0/1 3    VLAN0003                         active    Fa0/2

创建trunk模式的中继链路

Switch#conf t Switch(config)#int f0/24 Switch(config-if)#switchport mode trunk

Switch#show run

interface FastEthernet0/1

 switchport access vlan 2 ! interface FastEthernet0/2  switchport access vlan 3 ! interface FastEthernet0/24  switchport mode trunk