414a35e60a
track.
The Id line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;
.\" $Id$
.\"
If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.
Approved by: bde
148 lines
4.1 KiB
Groff
148 lines
4.1 KiB
Groff
.\" Copyright (c) 1985, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)arp.8 8.1 (Berkeley) 6/6/93
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.\" $Id$
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.\"
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.Dd June 6, 1993
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.Dt ARP 8
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.Os BSD 4.3
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.Sh NAME
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.Nm arp
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.Nd address resolution display and control
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.Sh SYNOPSIS
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.Nm arp
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.Op Fl n
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.Ar hostname
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.Nm arp
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.Op Fl n
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.Fl a
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.Nm arp
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.Fl d Ar hostname
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.Op Ar proxy
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.Nm arp
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.Fl d
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.Fl a
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.Nm arp
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.Fl s Ar hostname ether_addr
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.Op Ar temp
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.Op Ar pub
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.Nm arp
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.Fl S Ar hostname ether_addr
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.Op Ar temp
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.Op Ar pub
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.Nm arp
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.Fl f Ar filename
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.Sh DESCRIPTION
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The
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.Nm
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program displays and modifies the Internet-to-Ethernet address translation
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tables used by the address resolution protocol
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.Pq Xr arp 4 .
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With no flags, the program displays the current
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.Tn ARP
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entry for
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.Ar hostname .
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The host may be specified by name or by number,
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using Internet dot notation.
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.Pp
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Available options:
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.Bl -tag -width Ds
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.It Fl a
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The program displays or deletes all of the current
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.Tn ARP
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entries.
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.It Fl d
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A super-user may delete an entry for the host called
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.Ar hostname
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with the
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.Fl d
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flag. May be combined with the
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.Fl a
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flag to delete all entries.
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.It Fl n
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Show network addresses as numbers (normally
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.Nm
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attempts to display addresses symbolically).
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.It Fl s Ar hostname ether_addr
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Create an
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.Tn ARP
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entry for the host called
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.Ar hostname
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with the Ethernet address
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.Ar ether_addr .
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The Ethernet address is given as six hex bytes separated by colons.
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The entry will be permanent unless the word
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.Ar temp
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is given in the command.
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If the word
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.Ar pub
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is given, the entry will be "published"; i.e., this system will
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act as an
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.Tn ARP
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server,
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responding to requests for
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.Ar hostname
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even though the host address is not its own.
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In this case the ether_addr can be given as ``auto''
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in which case the interfaces on this host will be examined,
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and if one of them is found to occupy the same subnet, its
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ether_addr will be used.
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.It Fl S Ar hostname ether_addr
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Is just like
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.Fl s
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except any existing arp entry for this host will be deleted first.
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.It Fl f
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Causes the file
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.Ar filename
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to be read and multiple entries to be set in the
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.Tn ARP
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tables. Entries
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in the file should be of the form
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.Pp
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.Bd -filled -offset indent -compact
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.Ar hostname ether_addr
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.Op Ar temp
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.Op Ar pub
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.Ed
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.Pp
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with argument meanings as given above.
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.El
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.Sh SEE ALSO
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.Xr inet 3 ,
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.Xr arp 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.3 .
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