dot1q tunneling ethertype
To configure the Ethertype, used by peer devices when implementing QinQ VLAN tagging, to be 0x9100,
use the dot1q tunneling ethertype command in the interface configuration mode for an Ethernet interface.
To return to the default Ethertype configuration (0x8100), use the no form of this command.
dot1q tunneling ethertype {0x9100| 0x9200}
no dot1q tunneling ethertype
Syntax Description
Sets the Ethertype value to 0x9100.0x9100
Sets the Ethertype value to 0x9200.0x9200
Command Default
The Ethertype field used by peer devices when implementing QinQ VLAN tagging is either 0x8100 or 0x8200.
Command Modes
Interface configuration mode
Command History
ModificationRelease
This command was introduced.Release 3.9.0
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
The dot1q tunneling ethertype command can be applied to a main interface. When applied to the main
interface, it changes the subinterfaces, that have been configured with an encapsulation dot1q second-dot1q
command, under that main interface.
This command changes the outer VLAN tag from 802.1q Ethertype 0x8100 to 0x9100 or 0x9200.
Task ID
OperationsTask ID
read, writevlan
Examples
The following example shows how to configure the Ethertype to 0x9100:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# interface GigabitEthernet 0/1/5/0
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
2
Ethernet Interfaces Commands
dot1q tunneling ethertype
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