*BSD News Article 99153


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From: fred@lightside.net (Fred Condo)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: ifconfig alias problem
Date: Mon, 07 Jul 1997 08:57:25 -0700
Organization: Lightside, Inc.
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In article <5pi65v$3h6@news.interlog.com>, Patrick McConnell
<patrick@patrick.interlog.com> wrote:

>Hi,
>
>I'm trying to set up an IP address alias on my network card (ed0 - the
>only one in the machine) for use with an Apache virtual server. I'm sure 
>I've just missed something obvious, but I have checked man pages, docs,
>etc.
>
>When I add 'alias 192.168.1.10' to the ifconfig_ed0 line in rc.conf,
>ifconfig shows that 192.168.1.10 is the broadcast for the card's real
>address.
>
>Then I tried to configure ed0 without the alias and try to add it after
>with 'ifconfig ed0 alias 192.168.1.10'. It gave me the error 'ifconfig:
>ioctl (SIOCAIFADDR): File exists'. Then the output of 'ifconfig ed0'
>looked the way I thought it should - one line for each address - but I
>couldn't ping 192.168.1.10.
>
>Ideas? Any help is greatly appreciated!

According to the cookbook example that I saw somewhere on the FreeBSD
site, you should use this recipe:

/sbin/ifconfig ed1 inet 207.67.176.205 netmask 255.255.255.255

-- 
http://www.lightside.net/~fred/ + net access + http://www.lightside.net/
"Attempts to control the use of encryption technology are wrong in
principle, unworkable in practice, and damaging to the long term economic
value of the information networks." - UK Labour Party