Cisco Catalyst 3750 - Monitoring and Maintaining Tunneling and Mapping Status

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Catalyst 3750 Metro Switch Software Configuration Guide
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Chapter 13 Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling
Monitoring and Maintaining Tunneling and Mapping Status
Monitoring and Maintaining Tunneling and Mapping Status
Table 13-2 shows the privileged EXEC commands for monitoring and maintaining 802.1Q and Layer 2
protocol tunneling and VLAN mapping.
For detailed information about these displays, refer to the command reference for this release.
Table 13-2 Commands for Monitoring and Maintaining Tunneling and VLAN Mapping
Command Purpose
clear l2protocol-tunnel counters Clear the protocol counters on Layer 2 protocol tunneling ports.
show dot1q-tunnel Display 802.1Q tunnel ports on the switch.
show dot1q-tunnel interface interface-id Verify if a specific interface is a tunnel port.
show l2protocol-tunnel Display information about Layer 2 protocol tunneling ports.
show errdisable recovery Verify if the recovery timer from a Layer 2 protocol-tunnel error disable state
is enabled.
show interface interface-id vlan mapping Display VLAN mapping information for the specified interface. The interface can
be an ES port or a VLAN.
show l2protocol-tunnel interface
interface-id
Display information about a specific Layer 2 protocol tunneling port.
show l2protocol-tunnel summary Display only Layer 2 protocol summary information.
show vlan dot1q native Display the status of native VLAN tagging on the switch.
show vlan mapping Display VLAN mapping information (contents of the VLAN mapping table)
for the ES ports.