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From: Robert Shady <rls@mail.id.net>
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Subject: Re: Which way is 'correct'? (was: Re: Aliases)
In-Reply-To: <Pine.NEB.3.95.970217220512.14077A-100000@cold.org> from Brandon Gillespie at "Feb 17, 97 10:06:51 pm"
To: brandon@cold.org (Brandon Gillespie)
Date: Tue, 18 Feb 1997 08:36:46 -0500 (EST)
Cc: jkh@time.cdrom.com, freebsd-isp@freebsd.org
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> On Mon, 17 Feb 1997, Jordan K. Hubbard wrote:
> 
> > >     ifconfig ed0 alias x.y.z netmask 255.255.255.255
> > >     arp add x.y.z 127.0.0.1
> >       ^^^^^^^^^^^^^^^^^^^^^^^ Not needed.
> > 
> > So the ed0 case eliminates an extra arp call.  I suppose you could
> > thusly deem it superior, but either method works so I also wouldn't go
> > to the trouble of changing an existing system. :-)
> 
> Erm.. Previous to 2.2 I'd say this worked fine.  But after my upgrade to
> 2.2 (actually, just a clean install) doing just the ifconfig no longer
> worked... Actually, it would work at first, but then it wouldn't work.
> Doing the arp would fix the problem.  Why?  I have no idea--I'm just a
> monkey hitting keys at this point.

We're running around 64 virtual hosts per machine right now with 
2.2-960612-SNAP using "ifconfig fxp0 alias x.x.x.x netmask 255.255.255.255"

	-- Rob
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