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rarpd

rarpd(8)						      System Manager's Manual							  rarpd(8)

NAME

       rarpd - Reverse address resolution protocol (RARP) daemon

SYNOPSIS

       /usr/sbin/rarpd [interface] [-v] [-n] [-f filename]

OPTIONS

       Specifies  the  system's  network  interface.   Causes  rarpd  to operate in verbose mode.  This option logs details of RARP to syslog. The
       instance of a RARP request and its response are also logged.  Disables checking of the ethers(4) file.  By default, rarpd checks the ethers
       file  once  every  ten  minutes,  and,  if  the	file  was  modified,  rarpd rereads the file. If you specify the -n option rarpd scans the
       /etc/ethers file once at startup time.  Reads an alternate Ethernet address file.

DESCRIPTION

       The rarpd daemon maps the Ethernet address of a machine to the machine's Internet Protocol (IP) address.

       When rarpd is invoked, it reads the /etc/ethers file (by default) and waits to process a RARP request.  The  /etc/ethers  file  is  checked
       every  ten  minutes for any changes.  If the file has been modified, rarpd reads it again. You can disable this feature with the -n option.
       You can force a scan of the /etc/ethers file by sending the rarpd daemon a SIGHUP signal.  See signal(2) for more information on SIGHUP.

       The format of the /etc/ethers file is described in ethers(4). You can specify a file other than /etc/ethers with the -f option.	The inter-
       face is the network interface on which the rarpd daemon should listen. The command netstat -i shows the correct interface or interfaces for
       your system. The rarpd daemon uses the first interface it finds, if you do not specify an interface.  See the netstat(1) reference page for
       more information.

       Because	the  rarpd  daemon has been implemented with the Ethernet Packet Filter (see packetfilter(7)), you must configure your kernel with
       the packet filter option in order for rarpd to function properly. The packet filter detects RARP broadcast packets and passes them to rarpd
       for processing. The filter priority for rarpd is set to 28.

       All messages from the rarpd daemon are directed to syslog.

RESTRICTIONS

       The rarpd daemon ignores all ARP requests sent encapsulated within a RARP packet. ARP requests are handled directly by the kernel.

       The machine for which an IP address is being requested must be present in the server's /etc/hosts file.

ERRORS

       If the Packet Filter is not configured in your kernel, the following message is displayed on the console window and logged to syslog: PACK-
       ETFILTER is not configured in /vmunix

FILES

       Database that maps Ethernet addresses to hostnames

SEE ALSO

       Commands: arp(8), ifconfig(8), syslogd(8)

       Routines: ethers(3)

       Files: ethers(4), hosts(4), packetfilter(7)

																	  rarpd(8)

Solaris