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Date: Fri, 12 Dec 2008 10:12:46 -0800
From: John-Mark Gurney <jmg@funkthat.com>
To: Vyacheslav Bocharov <adeepv@gmail.com>
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Cc: freebsd-net@freebsd.org
Subject: Re: strange problem with ifconfig alias
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Vyacheslav Bocharov wrote this message on Thu, Dec 11, 2008 at 16:29 +0200:
> I have strange problem with ifconfig: I can't add ip address to interface:

Have you followed the instructions in the handbook:
http://www.freebsd.org/doc/en/books/handbook/configtuning-virtual-hosts.html

> root@chip# ifconfig em1 alias 195.3.245.xx/30
> ifconfig: ioctl (SIOCAIFADDR): File exists

If there is already an ip in that range on the interface, you need to use:
ifconfig em1 alias 195.3.245.xx/32

Next time include ifconfig -a so we know what addresses and interfaces
you have.  Makes diagnostics easier.

P.S. This question is better targeted to -questions.

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."