RARP – Reverse Address Resolution Protocol
Reverse Address Resolution Protocol is a protocol by which a physical machine in a LAN (Local Area Network) can request to learn its IP address from a gateway server’s ARP (Address Resolution Protocol) table or cache. When a new machine is set up, its RARP client program requests from the RARP server on the router to be sent its IP address. Assuming that an entry has been set up in the router table, the RARP server will return the IP address to the machine which can store it for future use.
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