3 实现VLAN.ppt

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1、WhatIsanEnd-to-EndVLAN?VLAN里的用户和组不受物理位置的限制.用户在校园里移动的话,那么VLAN里的成员数是不会变的.WhatIsaLocalVLAN?LocalVLANsaregenerallyconfinedtoawiringcloset.BenefitsofLocalVLAN确定的分组流活动的冗余路径高可用性，限定的故障域可升级的设计VLANConfigurationModesGlobalModeSwitch#configureterminalSwitch(config)#vlan3Switch(config-vlan)#nameVlan3Swit

2、ch(config-vlan)#exitSwitch(config)#endVLANConfigurationModesDatabaseModeSwitch#vlandatabaseSwitch(vlan)#vlan3VLAN3added:Name:VLAN0003Switch(vlan)#exitAPPLYcompleted.Exiting....VLANAccessPortsTheaccessswitchportassociatedwithasingledataVLANVLANImplementationCommandsConfiguringVLANsvlan101swit

3、chportmodeaccessswitchportaccessvlan101VerifyingVLANsshowinterfacesshowvlanHowtoImplementaVLANCreateorconfigureaVLAN.VerifyVLANconfiguration.AssociateswitchportswiththeVLAN.Verifyswitchportconfiguration.TestVLANconnectivity.ImplementVLANandswitchsecurity.ConfiguringanAccessVLANSwitch(config)

4、#vlanvlan_idCreateaVLAN.Switch(config-vlan)#namevlan_nameProvideaVLANname.Switch(config-if)#switchportmodeaccessPlacetheswitchportintoaccessmode.Switch(config-if)#switchportaccessvlanvlan_idAssociatetheaccessswitchportwithaVLAN.VerifyingtheAccessVLANConfigurationSwitch#showvlanVLANNameStatus

5、Ports------------------------------------------------------------------------1defaultactiveFa0/1,Fa0/2,Fa0/3,Fa0/4Fa0/5,Fa0/7,Fa0/911asw11_dataactive12asw12_dataactive95VLAN0095activeFa0/899Trunk_Nativeactive100Internal_Accessactive111voice-for-group-11active112voice-for-group-12active1002fd

6、di-defaultact/unsup1003token-ring-defaultact/unsup1004fddinet-defaultact/unsup1005trnet-defaultact/unsupVLANTypeSAIDMTUParentRingNoBridgeNoStpBrdgModeTrans1----------------------------------------------------------1enet1000011500-----0enet1000111500-----0............SummaryAnend-to-endVLANi

7、sgeographicallydispersedthroughoutthenetwork.LocalVLANsshouldbecreatedwithphysicalboundariesinmind.VLANssolveissuesthatariseinaLayer2switchednetwork.VLANscanbeconfiguredgloballyorinVLANdatabasemode.AnaccessswitchportisassociatedwithoneVLAN.Ciscopr