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	Tue, 6 Jan 1998 09:12:36 +1100 (EST)
Date: Tue, 6 Jan 1998 09:12:35 +1100 (EST)
From: "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To: Karl Pielorz <kpielorz@tdx.co.uk>
cc: isp@FreeBSD.ORG
Subject: Re: Ifconfig & 2nd IP address - weird...
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On Mon, 5 Jan 1998, Karl Pielorz wrote:

> If I do the following on my BSD box (to serve as a secondary IP for a virtual
> web-server):-
> 
> ifconfig de0 192.168.100.2 alias
> 
> "ifconfig -a" then shows:-
> 
> de0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet 192.168.100.1 netmask 0xffffffe0 broadcast 192.168.100.31
>         inet 192.168.100.2 netmask 0xffffffe0 broadcast 192.168.100.31
>         ether 00:00:c0:eb:a3:0b

See what happens if you do:

ifconfig de0 192.168.100.2 netmask 0xffffffff alias

Sometimes I have had to add a host route to the alias address:

route add 192.168.100.2 127.0.0.1

Danny