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Date:      Tue, 2 Sep 1997 00:27:49 -0400
From:      Charles Henrich <henrich@crh.cl.msu.edu>
To:        freebsd-hackers@freebsd.org
Subject:   Help With NATD configuration (2 ethernets)
Message-ID:  <19970902002749.11791@crh.cl.msu.edu>

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Okay, Im trying to setup a real simple natd system here, and Im getting
absolutely nowhere, I've searched the archives thouroughly and havent yet seen
an answer how to configure natd (which makes me think I must be doing
something really simply stupid). 

I want:

[Internal LAN] <--> (ed1: NATDHOST ed0:) <--> [The Net]

Simple eh?  I have:

/sbin/ipfw -f flush
/sbin/ipfw add divert 6668 all from any to any via ed1
/sbin/ipfw add pass all from any to any

Except Im thinking I probably need something for ed0 as well??

And running natd with any number of switches gets me the same thing:

#/usr/local/sbin/natd -v -s -m -u -n ed0

In  [ICMP] 10.0.0.2 -> 165.113.121.81 aliased to
           10.0.0.2 -> 165.113.121.81
In  [ICMP] 10.0.0.2 -> 165.113.121.81 aliased to
           10.0.0.2 -> 165.113.121.81

Obviously it isnt changing the source address, so of course no reply is
possible.. Any help is most amazingly appreciated, Thanks!

-Crh

       Charles Henrich     Michigan State University     henrich@msu.edu

                         http://pilot.msu.edu/~henrich



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