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123 lines
3.5 KiB
Groff
123 lines
3.5 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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.\"
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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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.Ar hostname
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.Nm arp
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.Fl a
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.Nm arp
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.Fl d Ar hostname
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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 arp
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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 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.
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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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.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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