552 ARP Commands
User Guidelines
This command has no user guidelines.
Example
The following example creates an ARP entry consisting of an IP address and a MAC address.
console(config)#arp 192.168.1.2 00A2.64B3.A245
arp cachesize
Use the arp cachesize command in Global Configuration mode to configure the maximum 
number of entries in the ARP cache. To return the maximum number ARP cache entries to the 
default value, use the no form of this command.
Syntax
arp cachesize 
integer 
no arp cachesize
•
integer
 — Maximum number of ARP entries in the cache. (Range: 256–1024)
Default Configuration
The default integer value is 896.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example defines an arp cachesize of 500.
console(config)#arp cachesize 500
arp dynamicrenew
Use the arp dynamicrenew command in Global Configuration mode to enable the ARP 
component to automatically renew dynamic ARP entries when they age out. To disable the 
automatic renewal of dynamic ARP entries when they age out, use the no form of the command.
Syntax
arp dynamicrenew