2-483Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsshow dot1q-tunnelshow dot1q-tunnelUse the show dot1q-tunnel user EXEC command to display information about IEEE 802.1Q tunnelports.show dot1q-tunnel [interface interface-id] [ | {begin | exclude | include} expression]Syntax DescriptionCommand Modes User EXECCommand HistoryUsage Guidelines Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain outputdo not appear, but the lines that contain Output appear.Examples These are examples of output from the show dot1q-tunnel command:Switch> show dot1q-tunneldot1q-tunnel mode LAN Port(s)-----------------------------Gi1/0/1Gi1/0/2Gi1/0/3Gi1/0/6Po2Switch> show dot1q-tunnel interface gigabitethernet1/0/1dot1q-tunnel mode LAN Port(s)-----------------------------Gi1/0/1Related Commandsinterface interface-id (Optional) Specify the interface for which to display IEEE 802.1Q tunnelinginformation. Valid interfaces include physical ports and port channels.| begin (Optional) Display begins with the line that matches the expression.| exclude (Optional) Display excludes lines that match the expression.| include (Optional) Display includes lines that match the specified expression.expression Expression in the output to use as a reference point.Release Modification12.2(40)EX1 This command was introduced.Command Descriptionshow vlan dot1q tag native Displays IEEE 802.1Q native VLAN tagging status.switchport mode dot1q-tunnel Configures an interface as an IEEE 802.1Q tunnel port.