Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
mac-address-table aging-time
mac-address-tabl e 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.
mac-address-table aging-time seconds [vlan vlan_id]
no mac-address-table aging-time seconds [vlan vlan_id]
Syntax Description
Defaults A ging time is set to 300 seconds.
Command Modes Global c onfiguratio n mode
Usage Guidelines I f you do not enter a VLAN, the change is applied to all routed-port VLANs.
Enter 0 seconds to disable agin g.
Examples This example shows how to configure the aging time to 400 seconds:
Switch(config)# mac-address-table aging-time 400
Switch(config)#
This example shows how to disable aging :
Switch(config)# mac-address-table aging-time 0
Switch(config)
Related Commands
seconds Aging ti me in seconds; valid value s are 0 and from 10 to 1000000 second s.
vlan vlan_id (Optional) Single VLAN number or a range of VLANs; valid values are from 1
to 4094.
Command Description
show mac-address-ta ble agi ng-time D isplays MAC address table a ging information.