2008-05-29 18:51:25 +04:00
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.\" $NetBSD: ifaliases.5,v 1.14 2008/05/29 14:51:25 mrg Exp $
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1997-01-05 14:50:12 +03:00
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.\"
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.\" Copyright (c) 1996 Matthew R. Green
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.\" 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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" 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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2000-11-17 12:43:06 +03:00
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.Dd November 17, 2000
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1997-01-05 14:50:12 +03:00
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.Dt IFALIASES 5
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1999-03-17 23:19:44 +03:00
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.Os
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1997-01-05 14:50:12 +03:00
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.Sh NAME
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.Nm ifaliases
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.Nd interface aliases file
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.Sh DESCRIPTION
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The
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.Nm
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2000-08-03 07:42:23 +04:00
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file specifies the additional addresses (aliases) that each interface
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has.
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1997-01-05 14:50:12 +03:00
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.Nm
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is processed by
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.Pa /etc/rc.d/network
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1997-01-05 14:50:12 +03:00
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at system boot time.
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.Pp
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2000-08-03 07:42:23 +04:00
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Each line of the file is of the form:
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2000-11-08 04:33:18 +03:00
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.D1 address interface [netmask]
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1997-01-05 14:50:12 +03:00
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.Pp
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The
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2000-11-17 12:43:06 +03:00
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.Em address
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2003-01-18 21:32:20 +03:00
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is a network address of the alias.
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This must be a number, or must be in
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2000-08-03 07:42:23 +04:00
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.Pa /etc/hosts ,
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since the nameserver is not running at this point.
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1997-01-05 14:50:12 +03:00
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.Pp
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The
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2000-11-17 12:43:06 +03:00
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.Em interface
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1997-01-05 14:50:12 +03:00
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is the network interface the alias will be configured on.
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.Pp
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The
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2000-11-17 12:43:06 +03:00
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.Em netmask
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2003-01-18 21:32:20 +03:00
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is the netmask of the alias' network address.
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Although this is optional, omitting the netmask is discouraged.
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Omission results in the use of the classful netmask associated with
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2000-11-17 12:43:06 +03:00
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.Em address .
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1997-01-05 14:50:12 +03:00
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.Sh FILES
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2000-11-08 04:33:18 +03:00
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.Pa /etc/ifaliases ,
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2000-08-03 07:42:23 +04:00
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.Pa /etc/rc.d/network
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1997-01-05 14:50:12 +03:00
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.Sh HISTORY
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The
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.Nm
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file appeared in
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1997-03-18 07:50:56 +03:00
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.Nx 1.2 .
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2000-11-08 05:56:26 +03:00
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.Sh BUGS
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.Nm
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assumes IPv4, and does not support other protocol families.
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Please check
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.Xr rc.conf 5
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for alternatives like
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.Pa /etc/ifconfig.xxN .
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