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RARPD(8)                OpenBSD System Manager's Manual               RARPD(8)

     rarpd - reverse ARP daemon

     rarpd [-adflt] [interface]

     rarpd services Reverse ARP requests on the Ethernet connected to
     interface.  Upon receiving a request, rarpd maps the target hardware ad-
     dress to an IP address via its name, which must be present in both the
     ethers(5) and hosts(5) databases.  If a host does not exist in both
     databases, the translation cannot proceed and a reply will not be sent.

     In normal operation, rarpd forks a copy of itself and runs in the back-
     ground.  Anomalies and errors are reported via syslog(3).

     The options are as follows:

     -a      Listen on all the Ethernets attached to the system.  If -a is
             omitted, an interface must be specified.

     -d      Run in debug mode, with all the output to stderr.  This option
             implies the -f option.

     -f      Run in the foreground.

     -l      Log all requests to syslog(3).

     -t      Only honour a requests if if the server (i.e., the host that
             rarpd is running on) can "boot" the target; that is, if a file or
             directory called /tftpboot/ipaddr exists, where ipaddr is the
             target IP address expressed in uppercase hexidecimal (only the
             first 8 characters of filenames are checked).

     /etc/ethers         Ethernet host name database
     /etc/hosts          host name database
     /var/run/rarpd.pid  process id of rarpd

     bpf(4), diskless(8)

     Finlayson, R., Mann, T., Mogul, J.C., and Theimer, M., A Reverse Address
     Resolution Protocol, RFC 903.

     Craig Leres (leresATee.gov) and Steven McCanne (mccanneATee.gov).
     Lawrence Berkeley Laboratory, University of California, Berkeley, CA.

OpenBSD 3.6                    October 26, 1990                              1