configure mac-lockdown-timeout ports aging-time

configure mac-lockdown-timeout ports [all | port_list] aging-time seconds


Configures the MAC address lock down timeout value in seconds for the specified port or group of ports or for all ports on the switch.

Syntax Description

all Specifies all ports.
port_list Specifies one or more ports or slots and ports.
seconds Configures the length of the time out value in seconds. The default is 15 seconds; the range is 15 to 2,000,000 seconds.


The default is 15 seconds.

Usage Guidelines

This timer overrides the FDB aging time.

This command only sets the duration of the MAC address lock down timer. To enable the lock down timeout feature, use the following command:

enable mac-lockdown-timeout ports [all | port_list]


The following command configures the MAC address lock down timer duration for 300 seconds for ports 2:3, 2:4, and 2:6:

configure mac-lockdown-timeout ports 2:3, 2:4, 2:6 aging-time 300


This command was first available in ExtremeXOS 11.6.

Platform Availability

This command is available on ExtremeSwitching 5320, 5420, 5520, and 5720 series switches.