arp(1M)                          (TPC/IP)                           arp(1M)


   NAME
         arp - address resolution display and control

   SYNOPSIS
         arp hostname

         arp -a [ unix [ kmem ] ]

         arp -d hostname

         arp -s hostname ether_address [ temp ] [ pub ] [ trail ]

         arp -f filename

   DESCRIPTION
         The arp program displays and modifies the Internet-to-Ethernet
         address translation tables used by the address resolution protocol
         [arp(7)].

         With no flags, the program displays the current ARP entry for
         hostname.  The host may be specified by name or by number, using
         Internet dot notation.

         The following options are available:

         -a    Display all of the current ARP entries by reading the table
               from the file kmem (default /dev/kmem) based on the kernel file
               unix (default /stand/unix).

         -d    Delete an entry for the host called hostname.  This option may
               only be used by the super-user.

         -s    Create an ARP entry for the host called hostname with the
               Ethernet address ether_address.  The Ethernet address is given
               as six hexadecimal bytes separated by colons.  The entry will
               be permanent unless the word temp is given in the command.  If
               the word pub is given, the entry will be published, for
               instance, this system will respond to ARP requests for hostname
               even though the hostname is not its own.  The word trail
               indicates that trailer encapsulations may be sent to this host.

         -f    Read the file named filename and set multiple entries in the
               ARP tables.  Entries in the file should be of the form

                     hostname ether_address [ temp ] [ pub ] [ trail ]

               with argument meanings as given above.

   SEE ALSO
         ifconfig(1M), arp(7).



   8/91                                                                 Page 1