Proxy ARP (Proxy Address Resolution Protocol) - IOS

OS:

Function:

Summary

Proxy ARP is a method by which a router can forward traffic without using its routing table.

Detailed Description

Proxy ARP is a configuration opption when an IP router responds to ARP Requests that arrive from on of its connected networks for a host that is on another of its connected networks.

Examples

Without Proxy ARP enabled, an ARP Request for a host on a different network would be unsuccessful, since routers do not forward ARP packets to another network.

Interface Configuration:

Description:

ip proxy-arp

no ip proxy-arp

-Proxy ARP is enabled and disabled separately on each interface. In IOS, Proxy ARP is enabled by default