IP I
NTERFACE
C
OMMANDS
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128.
You may need to enter a static entry in the cache if there is no response
to an ARP broadcast message. For example, some applications may not
respond to ARP requests or the response arrives too late, causing
network operations to time out.
Example
Related Commands
clear arp-cache
show arp

arp-timeout

Use this command to set the aging time for dynamic entries in the Address
Resolution Protocol (ARP) cache. Use the no form to restore the default.
Syntax
arp-timeout seconds
no arp-timeout
seconds - The time a dynamic entry remains in the ARP cache.
(Range:300- 86400; 86400 is one day)
Default Setting
1200 seconds (20 minutes)
Command Mode
Global Configuration
Command Usage
Use the show arp command to display the current cache timeout value.
Example
This example sets the ARP cache timeout for 15 minutes (i.e., 900 seconds).
Console(config)#arp 10.1.0.19 01-02-03-04-05-06
Console(config)#
Console(config)#arp-timeout 900
Console(config)#