From owner-freebsd-questions  Wed Oct  2 04:18:21 1996
Return-Path: owner-questions
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id EAA29412
          for questions-outgoing; Wed, 2 Oct 1996 04:18:21 -0700 (PDT)
Received: from synwork.com (root@synwork.com [199.3.234.4])
          by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id EAA29406
          for <questions@freebsd.org>; Wed, 2 Oct 1996 04:18:11 -0700 (PDT)
Received: from localhost (flaq@localhost) by synwork.com (8.7.5/8.6.12) with SMTP id GAA24997; Wed, 2 Oct 1996 06:17:36 -0500 (CDT)
Date: Wed, 2 Oct 1996 06:17:36 -0500 (CDT)
From: SysAdmin <flaq@synwork.com>
To: Anthony Fleisher <fleisher@mind.net>
cc: us@microtronic.de, questions@freebsd.org
Subject: Re: virtual IPs - more specific question
In-Reply-To: <2.2.32.19961001234349.00a05944@mind.net>
Message-ID: <Pine.BSI.3.94.961002061556.24971A-100000@synwork.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-questions@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

On Tue, 1 Oct 1996, Anthony Fleisher wrote:

> At 12:32 PM 8/17/96 +0200, you wrote:
> >Hi,
> >I now know that a named works on a virtual IP. At least it does under
> >Linux if I configure the interface as follows (on Linux 2.0.7):
> >/sbin/ifconfig eth0:0 x.x.x.x netmask 255.255.255.192 broadcast 194.64.170.63
> >/sbin/route add -host 194.64.170.41 dev eth0:0
> >
> >Unfortunatly, I can't get this IP aliasing to work under FreeBSD. If I try
> >to set an alias w/ FreeBSD and specify a netmask other than 0xffffffff, I
> >get:
> ># ifconfig de0 194.64.170.16 alias netmask 0xffffffc0
> >ifconfig: ioctl (SIOCAIFADDR): File exists
> ># ifconfig de0 194.64.170.16 alias netmask 0xffffffff
> >works fine, but then a named won't respond on that interface.
> >
> I believe that you need to kill named and restart it AFTER the interface is
> aliased.
> We had named setup on a box with several aliases, and it responded to
> requests on all of them.

Actually, alias IP's must have a netmask of 255.255.255.255

So use ifconfig de0 194.64.170.16 netmask 255.255.255.255 alias

Mike

~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
    Syn-Work Media, Inc.   | WWW Development & Hosting | Life Safety    
       http://www.synwork.com | Systems Integration       | CCTV           
   mike@synwork.com       | Voice/Data/Fiber          | Access Control 
     Flaq on IRC            | Dukane Distributor        | BICSI/RCDD     
                   :|:|:|: Powered By FreeBSD :|:|:|:
		     Turning PC's Into Workstations
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~