cisco mac address learning port security

Three modes are provided:ĭelete on Timeout: The switch will delete the MAC addresses that are not used or updated within the aging time. Select the learn mode of the MAC addresses on the port. The default value is 64.ĭisplays the current number of MAC addresses that have been learned on the port.Įnable Exceed Max Learned, and when the maximum number of learned MAC addresses on the specified port is exceeded, a notification will be generated and sent to the management host. When the learned MAC address number reaches the limit, the port will stop learning. Specify the maximum number of MAC addresses that can be learned on the port. In addtion, the switch can send a notification if the number of learned MAC addresses on the port exceeds the limit.Ĭhoose the menu SECURITY > Port Security to load the following page.įollow these steps to configure Port Security:ġ)Select one or more ports and configure the following parameters. You can use the Port Security feature to limit the number of MAC addresses that can be learned on each port, thus preventing the MAC address table from being exhausted by the attack packets.

Cisco mac address learning port security