Avaya P460 Switch User Manual


 
Chapter 5 Avaya P460 Layer 3 Features
Avaya P460 Configuration Guide 55
The ARP Table
The ARP table stores recently used pairs of IP/MAC addresses. This storage saves
time and communication costs, since the host looks in the ARP cache first when
transmitting a packet. If the information is not there, then the host sends an ARP
Request. See Figure 5.3.
ARP CLI Commands
In order to... Use the following command...
Add a permanent entry to the ARP
cache
arp
Configure the amount of time that
an entry remains in the ARP cache
arp timeout
This command exists for compatibility
with P550
ip max-arp-entries
Enable or disable proxy ARP on an
interface
ip proxy-arp
Delete all dynamic entries from the
ARP cache and the IP route cache
clear arp-cache
Display the ARP cache show ip arp
Display the IP address of a host,
based on a known MAC address
show ip reverse-arp