mac-security limit-learning

Limit MAC address learning to limit the number of forwarding database entries to protect the FDB.

Syntax

Command Parameters

enable
Limits the MAC learning for the port.
limit-learning max-addrs <1-64000>
Specifies the maximum number of MAC addresses to learn. The default is 1024.
port {slot/port[/sub-port][-slot/port[/sub-port]][,...][slot/all][all]}

Identifies the slot and port in one of the following formats:

  • a single slot and port (slot/port)

  • a range of slots and ports (slot/port-slot/port)

  • a series of slots and ports (slot/port,slot/port,slot/port)

  • all ports on the same slot (slot/all)

  • all ports on the switch (all)

If the platform supports channelization and the port is channelized, you must also specify the sub-port in the format slot/port/sub-port.

Default

None

Command Mode

GigabitEthernet Interface Configuration