Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show dot1q-tunnel
show dot1q-tunnel
Use the show dot1q-tunnel user EXEC command to display information about IEEE 802.1Q tunnel
ports.
show dot1q-tunnel [interface interface-id] [ | {begin | exclude | include} expression]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples These are examples of output from the show dot1q-tunnel command:
Switch> show dot1q-tunnel
LAN Port(s)
-----
Gi0/1
Gi0/2
Gi0/3
Gi0/6
Po2
Switch> show dot1q-tunnel interface gigabitethernet0/1
LAN Port(s)
-----
Gi0/1
Related Commands
interface interface-id (Optional) Specify the interface for which to display IEEE 802.1Q tunneling
information. 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 Modification
12.1(9)EA1 This command was introduced.
Command Description
show 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.