A
DDRESS
 R
ESOLUTION
 P
ROTOCOL
 (ARP)
36-47
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).
clear arp-cache
This command deletes all dynamic entries from the Address Resolution 
Protocol (ARP) cache.
Command Mode 
Privileged Exec
Example 
This example clears all dynamic entries in the ARP cache.
show arp
Use this command to display entries in the Address Resolution Protocol 
(ARP) cache.
Command Mode 
Normal Exec, Privileged Exec
Console(config)#arp-timeout 900
Console(config)#
Console#clear arp-cache
This operation will delete all the dynamic entries in ARP Cache.
Are you sure to continue this operation (y/n)?y
Console#