Show Mac Address-Table Learning - Cisco Catalyst 3560-X Command Reference Manual

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show mac address-table learning

Syntax Description

Command Modes

Command History

Usage Guidelines

Related Commands

Catalyst 3750-X and 3560-X Switch Command Reference

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Use the show mac address-table learning user EXEC command to display the status of MAC address

learning for all VLANs or the specified VLAN.

show mac address-table learning [vlan vlan-id] [ | {begin | exclude | include} expression]

vlan vlan-id

(Optional) Display information for a specific VLAN. The range is 1 to 4094.

(Optional) Display begins with the line that matches the expression.

(Optional) Display excludes lines that match the expression.

(Optional) Display includes lines that match the specified expression.

Expression in the output to use as a reference point.

Modification

This command was introduced.

Use the show mac address-table learning command without any keywords to display configured

VLANs and whether MAC address learning is enabled or disabled on them. The default is that MAC

address learning is enabled on all VLANs. Use the command with a specific VLAN ID to display the

learning status on an individual VLAN.

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.

This is an example of output from the show mac address-table learning user EXEC command showing

that MAC address learning is disabled on VLAN 200:

Switch> show mac address-table learning

Learning Status

---------------

mac address-table learning vlan

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Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands

Enables or disables MAC address learning on a VLAN.

Catalyst 3750-x