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 rarpd(1M)							   rarpd(1M)




 NAME
      rarpd - Reverse Address Resolution Protocol daemon

 SYNOPSIS
      rarpd [-d] [-f config_file] [interface_name]

 DESCRIPTION
      rarpd, the Reverse Address Resolution Protocol daemon, implements the
      server portion of the Reverse Address Resolution Protocol [1].  It
      responds to RARP requests providing the requested client IP address.
      Rarpd can be started during boot-time initialization.  To do so, set
      the RARPD variable with RARPD=1 in /etc/rc.config.d/netconf.

      Options are:

	   -d		  Print debugging information.

	   -f config_file Use the specified config_file database instead of
			  /etc/rarpd.conf.

	   interface_name Respond to requests over just this interface.

      The configuration file database contains hardware address to IP
      address mappings.	 Other than comment lines (which begin with a '#')
      and blank lines, all lines are considered client entries.	 A client
      entry is of the form:

	   hardware_address WHITE_SPACE ip_address

      where hardware_address consists of (:) colon-separated hexadecimal
      bytes, and ip_address consists of (.) dot-seperated decimal bytes.
      For example:

	   #
	   # hardware addr   IP addr
	   #
	   #   ethernet clients
	   08:00:09:26:ec:19 15.13.136.68
	   08:00:09:17:0a:93 15.13.136.74
	   #
	   #   100VG clients
	   08:00:09:63:5d:f5 190.20.30.103
	   #
	   #   FDDI clients
	   08:00:09:09:53:4c 192.20.30.98

      There must be exactly 6 hardware address bytes.  There must be exactly
      4 protocol address bytes.

      The following signals have the specified effect when sent to the rarpd
      process using the kill(1) command:



 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 rarpd(1M)							   rarpd(1M)




	   SIGHUP    Causes server to read the config file and reload
		     database.

	   SIGINT    Dumps current data base and cache to /var/tmp/rarpd.db.

 RETURN VALUE
      Exit status is 1 if the command fails, and error messages are written
      to stderr and/or syslog.	Typically, the daemon will continue
      answering requests until externally interrupted.

 LIMITATIONS
      1. The rarpd daemon supports only ethernet, 100VG and FDDI network
	 interfaces.

      2. The rarpd daemon supports only 4 byte Internet Protocol addresses.

      3. The rarpd and rarpc programs cannot be run on the same interface at
	 the same time.

 AUTHOR
      rarpd was developed by HP.

 SEE ALSO
      rarpc(1M).

      [1] R. Finlayson, T. Mann, J.C. Mogul, M. Theimer, "Reverse Address
      Resolution Protocol", RFC 903.



























 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000