ip arp timeout

To configure an Address Resolution Protocol (ARP) timeout, use the ip arp timeout command. To revert to the default value, use the no form of this command.

ip arp timeout timeout-value

no ip arp timeout

Syntax Description

timeout-value
Time (in seconds) that an entry remains in the ARP cache. Valid values are from 60 to 28800, and the default is 1500.

Command Default

1500 seconds

Command Modes

Global configuration mode

Command History

Release
Modification
5.0(2)N1(1)
This command was introduced.

Examples

This example shows how to configure the ARP timeout value to 120 seconds:

switch(config)# ip arp timeout 120
switch(config)#
 

This example shows how to revert to the default ARP timeout value of 1500 seconds:

switch(config)# no ip arp timeout
switch(config)#
 

Related Commands

Command
Description
show running-config arp all
Displays the ARP configuration, including the default configurations.