Enterasys Networks 2200 - Manual (Page 249)

Built-in Commands
Network Tools Screens 11-13
arp_learn
Description: Used to set (normal or limited) how the ARP cache entry will be affected
under different conditions as described in Options below. The command can
also be used to display its current setting.
Syntax: arp_learn [normal | limited | status]
Options: normal – Changes the ARP cache entry for a given IP Address, if the source
address (SA) in the entry does not match that of any received IP Packet.
limited – Causes the ARP entry to change only by ARP request and ARP
response packets. Other IP packets will be ignored.
status – Displays the current status information about ARP Cache.
Example: -> arp_learn status
Current ARP Cache Learn status: NORMAL
-> arp_learn limited
Setting ARP Cache Learning to LIMITED.
!! Don't forget to set a Default Gateway !!
-> arp_learn normal
Setting ARP Cache Learning to NORMAL.