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From: guido@gvr.win.tue.nl (Guido van Rooij)
Message-Id: <199512282037.VAA26377@gvr.win.tue.nl>
Subject: Re: Freebsd IP alias and BIND
To: volf@oasis.IAEhv.nl (Frank Volf)
Date: Thu, 28 Dec 1995 21:37:22 +0100 (MET)
Cc: freebsd-hackers@freeBSD.org, bind-users@vix.com
In-Reply-To: <199512261919.UAA05384@oasis.IAEhv.nl> from "Frank Volf" at Dec 26, 95 08:19:10 pm
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Frank Volf wrote:
> 
> THE PROBLEM:
> When a query is sent to the IP alias two responses are generated: one
> response with the real IP address as the source address, the other one with
> the alias address as the source address:
> 
> 17:02:20.146789 192.87.209.4.53 > 194.151.64.2.53: 52731+ NS? tue.nl. (24)
> 17:02:20.148820 192.87.208.2.53 > 192.87.209.4.53: 52731* 3/0/3 NS kweetal.tue.nl. (144)
> 17:02:20.150752 194.151.64.2.53 > 192.87.209.4.53: 52731* 3/0/3 NS ns1.surfnet.nl. (144)
> 

I think this is caused by the netmask of the alias being set to 0xffffffff.
When it is set to another netmask, named behaves correctly. I'll dive further
into it.

-Guido