07-10-2010
Thank you, every one.
My origin idea is too naive.
I want each client can run light graphic program, like cash register, the speed and length is the main problem, only ethernet(cheep) can do that. Serial connection is slow and short, can't do much help.
At last I have to choise the thin client, made by embedded system device, connected by ethernet.
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RARPD(8) System Manager's Manual RARPD(8)
NAME
rarpd - reverse address resolution protocol daemon
SYNOPSIS
rarpd [-v] [-i interface ]
DESCRIPTION
Rarpd listens on the ethernet for broadcast packets asking for reverse address resolution. These packets are sent by hosts at boot time to
find out their IP address. Rarpd looks up the six octet ethernet number in the ethers map finding a host name. This name is translated to
the IP address of the host by a DNS lookup. The IP address is then sent to the host.
Before rarpd can start its service it first finds out what the IP address and hardware address of the ethernet is.
Warning! Sun diskless workstations assume that the first RARP server that answers is the host they are to boot from. For this to work all
other Sun RARP servers delay their answer if they are not also the requestors boot server. This rarpd does not have this kludge so it will
happily engage the Sun boot server to see who can answer the client first. Unless your host can actually serve a Sun diskless client, it
is better not to list any more hosts in the ethers file than necessary.
OPTIONS
-v Be verbose. Show requests which the daemon is responding to.
-i Bind to the named interface. By default rarpd binds to the default interface for the local system type, if available.
SEE ALSO
ifconfig(8), ethers(5), hosts(5),
AUTHOR
Derrick J. Brashear (shadow@dementia.org)
The man page is mostly from the Minix version, by Kees J. Bot (kjb@cs.vu.nl)
RARPD(8)