环境
Switch>enable Switch#configure terminal Switch(config)#hostname SA (更改交换机名字) SA(config)#interface port-channel 1 (聚合通道1) SA(config-if)#exit SA(config)#interface fa0/22 SA(config-if)#channel-group 1 mode on (开启聚合通道1) SA(config-if)#interface fa0/23 SA(config-if)#channel-group 1 mode on SA(config-if)#interface fa0/24 SA(config-if)#channel-group 1 mode on SA(config-if)#exit SA(config)#interface port-channel 1 SA(config-if)#switchport mode trunk (交换机间链路类型为trunk) SA(config-if)#switchport trunk allowed vlan all (允许所有VLAN通过)
配置交换机1```bashSwitch>enableSwitch#configure terminalSwitch(config)#hostname SBSB(config)#interface port-channel 1SB(config-if)#exitSB(config)#interface range fa0/22-fa0/24 (同时开启聚合通道1)SB(config-if)#channel-group 1 mode onSB(config-if)#exitSB(config)#interface port-channel 1SB(config-if)#switchport mode trunkSB(config-if)#switchport trunk allowed vlan all

