inverse-arp in frame-relay

What does inverse arp in frame-relay?

With inverse-arp something is similiar done like with inverse arp in the IP world. The router is trying to map a Layer 2 adresse to a Layer 3 adress.

With show frame-relay map you can list those mappings.

With inverse arp these are dynamic mappings. It’s also possible to map statically.

frame-relay map [ip] [dlci] broadcast

When you configure point-to-point subinterface inverse arp is not needed, as it is disabled be default on each subinterface.

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