Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 598
Setting Station Move Violation Actions, Recovering from Learning Limit and Station Move Violations
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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] 598 Layer 2
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