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Date:      Tue, 01 Oct 1996 16:43:49 -0700
From:      Anthony Fleisher <>
Cc:        questions@FreeBSD.ORG
Subject:   Re: virtual IPs - more specific question
Message-ID:  <>

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At 12:32 PM 8/17/96 +0200, you wrote:
>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 broadcast
>/sbin/route add -host 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
># ifconfig de0 alias netmask 0xffffffc0
>ifconfig: ioctl (SIOCAIFADDR): File exists
># ifconfig de0 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
We had named setup on a box with several aliases, and it responded to
requests on all of them.

>I would like to stick to FreeBSD for our DNS, so maybe you have a
>Thanks, Ulf Schmidt
no prob.

Anthony Fleisher	 <>
System Administrator     
Ashland, Oregon          
Voice: (541)488-1962  Fax: (541)488-7599                     

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