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Configuring Inverse Frame Relay ARP

Frame Relay interfaces support inverse Frame Relay ARP, as described in RFC 2390, Inverse Address Resolution Protocol. When inverse Frame Relay ARP is enabled, the routing platform responds to received inverse Frame Relay ARP requests by providing IP address information to the requesting routing platform on the other end of the Frame permanent virtual circuit (PVC).

The routing platform does not initiate inverse Frame Relay ARP requests.

By default, inverse Frame Relay ARP is disabled. To configure a routing platform to respond to inverse Frame Relay ARP requests, include the inverse-arp statement:

inverse-arp;

For a list of hierarchy levels at which you can include this statement, see inverse-arp.

You must configure Frame Relay encapsulation on the logical interface to support inverse ARP. For more information, see Configuring Frame Relay Interface Encapsulation.

Updated: 2009-04-07

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