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Date:      Fri, 16 Jun 2000 00:45:44 -0700
From:      "Crist J. Clark" <cristjc@earthlink.net>
To:        Nathaniel G H <bsd_appliance@bemail.org>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: HELP!  natd question
Message-ID:  <20000616004544.F287@dialin-client.earthlink.net>
In-Reply-To: <200006151646.JAA20190@mail15.bigmailbox.com>; from bsd_appliance@bemail.org on Thu, Jun 15, 2000 at 09:46:23AM -0700
References:  <200006151646.JAA20190@mail15.bigmailbox.com>

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On Thu, Jun 15, 2000 at 09:46:23AM -0700, Nathaniel G H wrote:
> Hi folks,
> 
> I'm running FreeBSD 3.3 RELEASE.  I have a NIC (ed0) with two
> addresses (or aliases). I need to specify the first alias to natd,
> through its '-n interface' argument. I don't know the IP address
> assigned to this alias because it's assigned through DHCP, so I can't
> use natd's '-a address' argument instead. How do I specify the first
> alias of ed0?
> 
> (I do, however, know the address assigned to the second alias -- it
> is always 192.168.0.254 and I was looking at the -reverse argument.
> Would it work correctly if I specified '-a 192.168.0.254 -reverse'?)

It sounds like you are running natd(8) with only one
interface. natd(8) has been known to be flaky under such conditions.

> I'm asking because this firewall ran Linux with so-called IP-
> Masquerading with two addresses on one NIC,

If you have only one NIC, there is no firewall.
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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