Layer 2 Switching Commands 810
console(config-if-Te1/0/1)#switchport trunk native vlan 10
console(config-if-Te1/0/1)#switchport dot1q ethertype vman primary-tpid
switchport dot1q ethertype (Interface
Configuration)
Use the switchport dot1q ethertype command to apply previously defined
QinQ tunneling TPIDs to a service provider interface. Use the no form of the
command to remove the configured TPIDs.
Syntax
switchport dot1q ethertype { 802.1Q | vman | custom 0-65535 } [primary-
tpid]
no switchport dot1q ethertype { 802.1Q |vman | custom 0-65535 }
[primary-tpid]
•
802.1
Q—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 frames
transmitted on an SP port. Also processes ingress frames with the
configured Ethertype as double tagged.
Default Configuration
802.1Q is the default Ethertype for both inner and outer VLAN TPIDs.
By default QinQ processing of frames is disabled.
Command Mode
Interface Configuration mode (physical and port channel), Interface range
mode (physical and port channel)
User Guidelines
This command applies a previously defined TPID to an interface. The TPID
must be configured using the global configuration mode command before it
can be applied to an interface. Up to 3 additional TPIDs for use in the outer
VLAN tag may be configured.
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