Reverse Address Resolution Protocol (RARP)
RARP provides the opposite service to ARP in that it is used when only the ethernet address is known and the IP address is needed.
RARP requests are most commonly sent by diskless clients and JumpStart clients during bootup. A diskless client contains no local storage and knows only its own ethernet address. A JumpStart client contains local storage, but uses the ethernet address to locate the JumpStart boot server (to start a remote installation of the Solaris operating environment). The client uses the RARP protocol to broadcast this ethernet address and asks for the corresponding IP address.
The following fragment of output from the snoop command shows a client that is booting. The client issues a ...
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