* RARP is
a link layer networking protocol, used to resolve an IP address from a given hardware
address (such as an Ethernet address).
* RARP requires
one or more server hosts to maintain a database of mappings from Link Layer
address to protocol address.
* To obtain its
IP address, the host broadcasts an RARP request packet containing its MAC
address on the network.
* All hosts in
the network receive the packet, but only the server replies to the host by sending
an RARP response containing the host’s MAC and IP address.
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