思科設備交換機vlantrunk配置

1、本次講解vlan trunk配置方法:命令行：以下為switchA配置：SwitchSwitch>e nableSwitch#vla n database% Warning: It is recomme nded to con figure VLAN from config mode, as VLAN database mode is being deprecated. Please con sult user docume ntati on for con figuri ng VTP/VLAN in config mode.Switch(vla n) #vla n 2 name Tzt

2、AVLAN 2 added:Name: TztASwitch(vla n)#vla n 3 name TztBVLAN 3 added:Name: TztBSwitch(vla n)#exitAPPLY completed.Exit in g.Switch#wrBuilding configuration.OKSwitch#config tEnter configuration commands, one per line. End with CNTL/Z.Switch(config)#int f0/1Switch(config-if)#sw mo acSwitch(config-if)#sw

3、 acc vlan 2Switch(config-if)#int f0/2Switch(config-if)#sw mo acSwitch(config-if)#sw acc vlan 3Switch(config-if)#exitSwitch(config)#exitSwitch# %SYS-5-CONFIG_I: Configured from console by consoleSwitch#show vlanVLAN Name1 default2 TztA3 TztB1002 fddi-default1003 token-ring-default1004 fddinet-default

4、1005 trnet-defaultStatus Portsactive 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, Gig1/1, Gig1/2active Fa0/1active Fa0/2 act/unsup act/unsup act/unsup act/unsupVLAN TypeSAIDMTUParen

5、t RingNo BridgeNo StpBrdgMode Trans1 Trans21 enet1000011500- - - - 002 enet1000021500- - - - 003 enet1000031500- - - - 001002 fddi1010021500 - 001003 tr1010031500- 001004 fdnet 1010041500 - -ieee -001005 trnet 1010051500 - - ibm- 00Remote SPAN VLANsPrimary Secondary TypePortsSwitch#wrBuilding config

6、uration.OKSwitch#conf tEnter configuration commands, one per line. End with CNTL/Z. Switch(config)#int g1/1/ 進入端口 g1/1 配置 vlan trunk 模式Switch(config-if)#sw trunk encaSwitch(config-if)#sw trunk allowed vlan all / 配置允許所有 vlan 通過 switchA Switch(config-if)#exitSwitch(config)#exitSwitch#Switch#wr / 保存已有配

7、置Building configuration.OKSwitch#以下為 switchB 配置：Switch>enableSwitch#vlan database% 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 TztAVLAN

8、2 added:Name: TztASwitch(vlan)#vlan 3 name TztBVLAN 3 added:Name: TztBSwitch(vlan)#exitAPPLY completed.ExitingSwitch#config tEnter configuration commands, one per line. End with CNTL/Z. Switch(config)#int f0/1Switch(config-if)#sw mo accSwitch(config-if)#sw acc vlan 2 Switch(config-if)#int f0/2Switch

9、(config-if)#sw mo accSwitch(config-if)#sw acc vlan 3Switch(config-if)#exitSwitch(config)#show vlanA% In valid in put detected at 'A' marker.Switch(config)#exitSwitch#%SYS-5-CONFIG_I: Configured from console by consoleSwitch#show vlan / 顯示所有 vlan 配置信息VLAN NameStatus Ports1 default2 TztA3 TztB

10、1002 fddi-default1003 token-ring-default1004 fddinet-default1005 trnet-defaultactive Fa0/3, Fa0/4, Fa0/5, Fa0/6Fa0/7, Fa0/8, Fa0/9, Fa0/10Fa0/11, Fa0/12, Fa0/13, Fa0/14Fa0/15, Fa0/16, Fa0/17, Fa0/18Fa0/19, Fa0/20, Fa0/21, Fa0/22Fa0/23, Fa0/24, Gig1/1, Gig1/2activeFa0/1activeFa0/2act/unsupact/unsupac

11、t/unsupact/unsupVLAN TypeSAIDMTUParent RingNo BridgeNo StpBrdgMode Trans1 Trans21enet1000011500- - - - 002enet1000021500- - - - 003enet1000031500- - - - 001002 fddi1010021500 - 001003 tr1010031500- 001004 fdnet 1010041500 -ieee -001005 trnet 1010051500 -ibm- 00Remote SPAN VLANsPrimary Secondary Type

12、PortsSwitch#conf tEnter configuration commands, one per line. End with CNTL/Z.Switch(config)#int g1/1Switch(config-if)#switchport mode trunkSwitch(config-if)#%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1, changed state to down%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1, changed state to upSwitch(config-if)#switchport trun