Dot1Q Tunneling Ethertype - Cisco MWR 2941 Command Reference Manual

dot1q tunneling ethertype

dot1q tunneling ethertype
To define the Ethertype field type used by peer devices when implementing Q-in-Q VLAN tagging, use
the dot1q tunneling ethertype command in interface configuration mode. To remove the VLAN tag
Ethertype, use the no form of this command.
Syntax Description ethertype
Defaults The Ethertype field used by peer devices when implementing Q-in-Q VLAN tagging is 0x8100.
Command Modes Interface configuration
Command History Release
12.3(7)T
12.3(7)XI1
12.2(31)SB2
Cisco IOS XE Release
2.2
15.0(1)MR
Usage Guidelines
Use the dot1q tunneling ethertype command if the peer switching devices are using an Ethertype field
value of 0x9100 or 0x9200. All Cisco switching devices use the default Ethertype field value of 0x8100.
The Cisco 10000 series router additionally supports the 0x9200 Ethertype field value.
This command is used with the IEEE 802.1Q-in-Q VLAN Tag Termination feature in which double
VLAN tagging is configured using the encapsulation dot1q command. 802.1Q double tagging allows
a service provider to use a single VLAN to support customers who have multiple VLANs.
Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
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dot1q tunneling ethertype ethertype
no dot1q tunneling ethertype ethertype
Type of Ethertype field. Valid values are 0x8100 or 0x9100 or 0x9200.
Default is 0x8100.
Modification
This command was introduced.
This command was implemented on the Cisco 10000 series routers and
additionally supports the 0x9200 Ethertype field value for the Cisco 10000
series routers.
This command was integrated into Cisco IOS Release 12.2(31)SB2.
This command was integrated into Cisco IOS XE Release 2.2.
This command was integrated into Cisco IOS Release 15.0(1)MR.
Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
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