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Command Reference Guide
Loopback Interface Command Set
ip proxy-arp
Use the ip proxy-arp command to enable proxy Address Resolution Protocol (ARP) on the interface. Use
the no form of this command to disable this feature.
Syntax Description
No subcommands.
Default Values
By default, proxy ARP is enabled.
Command History
Release 1.1
Command was introduced.
Functional Notes
In general, the principle of proxy ARP allows a router to insert its IP address in the source IP address field
of a packet (if the packet is from a host on one of its subnetworks). This allows hosts to reach devices on
other subnetworks without implementing routing or specifying a default gateway.
If proxy-arp is enabled, AOS will respond to all proxy-arp requests with its specified medium access control
(MAC) address and forward packets accordingly.
Enabling proxy-arp on an interface may introduce unnecessary ARP traffic on the network.
Usage Examples
The following example enables proxy ARP on the loopback interface:
(config)#interface loopback 1
(config-loop 1)#ip proxy-arp
60000CRG0-35E
Copyright © 2012 ADTRAN, Inc.
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