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Date:      Sun, 10 Dec 2000 21:45:54 -0500 (EST)
From:      David Raistrick <keen@damoe.wireless-isp.net>
To:        Chris Hill <chris@monochrome.org>
Cc:        Sean Peck <speck@newsindex.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Configuring Gateway/NAT on Freebsd
Message-ID:  <Pine.BSF.4.21.0012102140020.61629-100000@damoe.wireless-isp.net>
In-Reply-To: <Pine.BSF.3.96.1001210211341.44937B-100000@localhost>

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On Sun, 10 Dec 2000, Chris Hill wrote:


> > I have the public space entry for the single NIC card pointing to the
> > default router up in the ISP space... 
> 
> I don't know enough about networking to tell you exactly why this can't
> work, but I'm pretty sure it can't. Ethernet cards are cheap; is it
> worth this amount of trouble to save a measly few pence?


(walking in in the middle..)

This COULD be done with 1 ethernet card, at least in theory.  Not sure the
specifics of how to get natd to do it, but it could theoretic be done..but
there is a condition that must be met.

If the DSL modem is like the ones we provide it can ONLY talk to a single
MAC device.  Ie, you could not plug the DSL modem into a hub. it must be
plugged into a ethernet port of a router/pc/etc. (and therefor this would
NOT work.)


IF the unit can be on a multi-mac segment, then this could be done. (with
both ip networks residing on the same interface..)

But realisticly it would probably be better to segregate the two.

....david

--
David Raistrick		Digital Wireless Communications
davidr@dwcinet.com





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