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Date: Mon, 29 Oct 2007 20:31:45 -0700
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To: Yuri Pankov <yuri.pankov@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: ifconfig -- how to remove address and mask?
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I tried delete, but it only works for *additional* ip addresses added using 
the alias command, not the original, primary one.  I can't remember the 
error message.

Yuri Pankov wrote:
> On Sun, 2007-10-28 at 21:14 -0700, freebsd@dreamchaser.org wrote:
>> running 6.1,
>>
>> Is there a way to bring an interface down and remove the ipaddr and mask?
>> I've tried ifconfig destroy with no effect, and I'm getting tired of
>> twiddling rc.conf and rebooting...
>>
>> The problem arises when testing a new configuration where an existing
>> interface has an assigned ip addr, and is then changed to be used with
>> pppoe.  The routine tables get really confused...
...
> Try  ifconfig <interface> delete.