812 VLAN CommandsUser GuidelinesCommands used in the interface range context are executed independentlyon each interface in the range. If the command returns an error on one of theinterfaces, an error message is displayed and execution continues on otherinterfaces.ExampleThe following example groups VLAN 221 through 228 and VLAN 889 toexecute the commands entered in interface range mode.console(config)#interface range vlan 221-228,889console(config-if)#mode dvlan-tunnelUse the mode dvlan-tunnel command in Interface Configuration mode toenable Double VLAN Tunneling on the specified interface. To disable DoubleVLAN Tunneling on the specified interface, use the no form of thiscommand.Syntaxmode dvlan-tunnelno mode dvlan-tunnelDefault ConfigurationBy default, Double VLAN Tunneling isdisabled.Command ModeInterface Configuration (gigabitethernet, port-channel, tengigabitethernet)modeUser GuidelinesUse the global configuration command dvlan-tunnel ethertype to configurethe inner and outer TPIDs.When dvlan-tunnel is enabled on an interface, theinterface is configured as an uplink or service provider (SP) port. All otherinterfaces on the switch behave like access (customer) ports.
