TPLINK-PORTSECURITY-MIB

Description: Manages TP-Link switch port security MAC address limits, sticky learning, and violation actions.

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TPLINK-PORTSECURITY-MIB is a TP-Link vendor-specific MIB for configuring port security on managed switches, controlling maximum learned MAC addresses per port, sticky MAC learning, and the violation action taken when the limit is exceeded. This is primarily an access-control/configuration MIB, but its violation-related objects effectively report a security/software event status, whether a port has hit its MAC limit and what action (shutdown, restrict, protect) was triggered, functioning like a fault indicator for that port. It has no strong standards dependency beyond general switch MAC-table concepts, being a TP-Link-specific hardening feature. It's deployed on TP-Link managed switches at the network access edge to prevent MAC flooding or rogue device attachment, and the TPLINK-PORTSECURITY-MIB download lets administrators load it directly into their MIB browser.

An administrator sets a maximum MAC count and enables sticky learning on an access port, then monitors the port's security violation counter and current learned-MAC count. A rising violation counter, or a port that has transitioned to a shutdown/restricted state, indicates an unauthorized device or MAC-spoofing attempt was detected on that port, prompting investigation.

Manages port security policies on TP-Link switches including MAC address learning limits and lock modes.