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Date:      Wed, 03 Apr 2002 10:41:20 -0800
From:      Lars Eggert <larse@ISI.EDU>
To:        Kris Kirby <kris@catonic.net>
Cc:        freebsd-net@freebsd.org
Subject:   Re: VPN / VLAN?
Message-ID:  <3CAB4CD0.9040508@isi.edu>
References:  <Pine.BSF.4.33.0204030458480.12164-100000@spaz.catonic.net>

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Kris Kirby wrote:
> Let say I have a machine I want to attach to internet subnet
> 216.6.6.129/25. But the machine is at my house, NAT'd from the world. So
> to network the machine, I'd have to "bridge" across something like a VLAN
> over an IPSEC tunnel. Is this right? Can it be done that way? Is the IPSEC
> tunnel even necessary (if I don't care about security)?

We have a vtun setup (tethered.net) that does just that (relay the real 
Internet to the inside of a NAT box) to support DARPA PI meetings. We're 
currently documenting the thing and will put up a website with 
descriptions and the config scripts. Ping me again in a few days if you 
haven't heard from me :-)

What is required to make this work though is that you can get a few 
static IPs inside the 216.6.6.129/25 net (in your example) to relay.

Lars
-- 
Lars Eggert <larse@isi.edu>               Information Sciences Institute
http://www.isi.edu/larse/              University of Southern California

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