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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
show l2protocol-tunnel
show l2protocol-tunnel
To display information about Layer 2 protocol tunnel ports, use the show l2protocol-tunnel command.
This command displays information for interfaces with protocol tunneling enabled.
show l2protocol-tunnel [interface interface-id] [[summary] | {begin | exclude | include}
expression ]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines After enabling Layer 2 protocol tunneling on an access or 802.1Q tunnel port with the l2protocol-tunnel
command, you can configure some or all of these parameters:
• Protocol type to be tunneled
• Shutdown threshold
• Drop threshold
If you enter the show l2protocol-tunnel [interface interface-id] command, only information about the
active ports on which all the parameters are configured appears.
If you enter the show l2protocol-tunnel summary command, only information about the active ports
on which some or all of the parameters are configured appears.
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.
interface interface-id (Optional) Specifies the interface for which protocol tunneling information
appears. Valid interfaces are physical ports and port channels; the port
channel range is 1 to 64.
summary (Optional) Displays only Layer 2 protocol summary information.
begin (Optional) Displays information beginning with the line that matches the
expression.
exclude (Optional) Displays information that excludes lines that match the expression.
include (Optional) Displays lines that match the specified expression.
expression (Optional) Expression in the output to use as a reference point.
Release Modification
12.2(18)EW This command was first introduced on the Catalyst 4500 series switch.
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