Layer 2 Switching Commands 810console(config-if-Te1/0/1)#switchport trunk native vlan 10console(config-if-Te1/0/1)#switchport dot1q ethertype vman primary-tpidswitchport dot1q ethertype (InterfaceConfiguration)Use the switchport dot1q ethertype command to apply previously definedQinQ tunneling TPIDs to a service provider interface. Use the no form of thecommand to remove the configured TPIDs.Syntaxswitchport dot1q ethertype { 802.1Q | vman | custom 0-65535 } [primary-tpid]no switchport dot1q ethertype { 802.1Q |vman | custom 0-65535 }[primary-tpid]• 802.1Q—Allow ingress frames with Ethertype 0x8100.• vman—Define the Ethertype as 0x88A8.• custom—Define the Ethertype as a 16 bit user defined value (in decimal).• primary-tpid—Set the outer VLAN tag TPID to be inserted in framestransmitted on an SP port. Also processes ingress frames with theconfigured Ethertype as double tagged.Default Configuration802.1Q is the default Ethertype for both inner and outer VLAN TPIDs.By default QinQ processing of frames is disabled.Command ModeInterface Configuration mode (physical and port channel), Interface rangemode (physical and port channel)User GuidelinesThis command applies a previously defined TPID to an interface. The TPIDmust be configured using the global configuration mode command before itcan be applied to an interface. Up to 3 additional TPIDs for use in the outerVLAN tag may be configured.
