Administrator Guide

INTERFACE mode
learn-limit-violation shutdown
Setting Station Move Violation Actions
Station move violation actions are user-configurable.
no-station-move is the default behavior. You can configure the system to take an action if a station move occurs using one the
following options with the
mac learning-limit command.
To display a list of interfaces configured with MAC learning limit or station move violation actions, use the following commands.
• Generate a system log message indicating a station move.
INTERFACE mode
station-move-violation log
• Shut down the first port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-original
• Shut down the second port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-offending
• Shut down both the first and second port to learn the MAC address.
INTERFACE mode
station-move-violation shutdown-both
• Display a list of all of the interfaces configured with MAC learning limit or station move violation.
CONFIGURATION mode
show mac learning-limit violate-action
Recovering from Learning Limit and Station Move
Violations
After a learning-limit or station-move violation shuts down an interface, you must manually reset it.
To reset the learning limit, use the following commands.
NOTE:
Alternatively, you can reset the interface by shutting it down using the shutdown command and then re-enabling
it using the no shutdown command.
• Reset interfaces in the ERR_Disabled state caused by a learning limit violation or station move violation.
EXEC Privilege mode
mac learning-limit reset
• Reset interfaces in the ERR_Disabled state caused by a learning limit violation.
EXEC Privilege mode
mac learning-limit reset learn-limit-violation [interface | all]
• Reset interfaces in the ERR_Disabled state caused by a station move violation.
EXEC Privilege mode
mac learning-limit reset station-move-violation [interface | all]
Disabling MAC Address Learning on the System
You can configure the system to not learn MAC addresses from LACP and LLDP BPDUs.
To disable source MAC address learning from LACP and LLDP BPDUs, follow this procedure:
• Disable source MAC address learning from LACP BPDUs.
CONFIGURATION mode
mac-address-table disable-learning lacp
• Disable source MAC address learning from LLDP BPDUs.
Layer 2
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