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Catalyst 3750-X and 3560-X Switch Command Reference
OL-21522-02
Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands
show mac address-table learning
show mac address-table learning
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]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines 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.
Examples 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
VLAN Learning Status
---- ---------------
1 yes
100 yes
200 no
Related Commands
vlan vlan-id (Optional) Display information for a specific VLAN. The range is 1 to 4094.
| 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
12.2(53)SE2 This command was introduced.
Command Description
mac address-table learning vlan Enables or disables MAC address learning on a VLAN.
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