本次主要讲解的是二层交换机中vlan的划分，讲解如下：配置模型图命令行讲解：SwitchSwitchenableSwitch#Switch#vlan database /进入vlan配置模式% Warning: It is recommended to configure VLAN from config mode, as VLAN database mode is being deprecated. Please consult user documentation for configuring VTP/VLAN in config mode.Switch(vlan)#vlan 2 name TztA /划分vlan 2 名字为TztAVLAN 2 added: Name: TztA /显示已划分的vlan名Switch(vlan)#vlan 3 name TztB /划分vlan 3 名字为TztBVLAN 3 added: Name: TztB /显示已划分的vlan名Switch(vlan)#exit /推出vlan配置APPLY completed.Exiting.Switch#wr /保存已有配置（此处为write的缩写）Building configuration.OK /提示已保存成功Switch#config tEnter configuration commands, one per line. End with CNTL/Z.Switch(config)#interface f0/1 /进入端口f0/1Switch(config-if)#switchport mode access /将端口f0/1设置为静态VLAN模式Switch(config-if)#switchport access vlan 2 /将将端口f0/1分配给VLAN2Switch(config-if)#exitSwitch(config)#int f0/1 Switch(config-if)#exitSwitch(config)#int f0/2Switch(config-if)#switchport mode access /将端口f0/2设置为静态VLAN模式Switch(config-if)#switchport access vlan 2 /将将端口f0/2分配给VLAN2Switch(config-if)#exitSwitch(config)#int f0/3Switch(config-if)#sw mo ac /将端口f0/3设置为静态VLAN模式（此处为命令行缩写模式）Switch(config-if)#sw ac vlan 3 /将将端口f0/3分配给VLAN2Switch(config-if)#exitSwitch(config)#int f0/4Switch(config-if)#sw mo ac /将端口f0/4设置为静态VLAN模式Switch(config-if)#sw ac vlan 3 /将将端口f0/4分配给VLAN2Switch(config-if)#exitSwitch(config)#exit%SYS-5-CONFIG_I: Configured from console by consoleSwitch#wrBuilding configuration.OK /提示已保存成功Switch#show vlan /显示所有vlan信息，如下：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, Gig1/22 TztA active Fa0/1, Fa0/2 /此处为已配置的vlan 2信息3 TztB active Fa0/3, Fa0/4 /此处为已配置的vlan 3信息1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup讲解结束!2012-04-27