Cisco Catalyst 4500 Series Configuration Manual page 478

mac-address-table aging-time
mac-address-table aging-time
To configure the aging time for the entries in the Layer 2 table, use the mac-address-table aging-time
command. To reset the seconds value to the default setting, use the no form of this command.
Syntax Description
seconds
vlan vlan_id
Command Default Aging time is set to 300 seconds.
Command Modes Global configuration mode
Command History Release
12.1(8a)EW
12.1(12c)EW
Usage Guidelines If you do not enter a VLAN, the change is applied to all routed-port VLANs.
Enter 0 seconds to disable aging.
Examples
The following example shows how to configure the aging time to 400 seconds:
Switch(config)# mac-address-table aging-time 400
Switch(config)#
The following example shows how to disable aging:
Switch(config)# mac-address-table aging-time 0
Switch(config)
Related Commands Command
show mac-address-table aging-time
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-438
mac-address-table aging-time seconds [vlan vlan_id]
no mac-address-table aging-time seconds [vlan vlan_id]
Aging time in seconds; valid values are 0 and from 10 to 1000000 seconds.
(Optional) Single VLAN number or a range of VLANs; valid values are from 1
to 4094.
Modification
This command was introduced on the Catalyst 4500 series switch.
Support for extended addressing was added.
Description
Displays MAC address table aging information.
Chapter 2