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Date:      Fri, 25 Feb 2000 11:49:05 +0100
From:      Philippe Charron <garry@stella-net.fr>
To:        freebsd-net@freebsd.org
Subject:   Natd/Mrouted
Message-ID:  <38B65E21.D0891CCD@stella-net.fr>

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Hi,

I try to use Mrouted and natd on the same computer (FreeBSD 3.4) over
the following Network

Mbone ---[Router 1]----public_Lan_1---[FreeBSD 3.4]--- Private_Lan
                                           |
                                      [FreeBSD 3.2]--- Public_Lan_2

(Public_Lan_1 and Public_Lan_2 are connected using a FreeBSD 3.2 box
running Mrouted)

On the FreeBSD 3.4 I have 2 network cards : xl0 and xl1
xl0 is on a private LAN (192.168.1.0) and
xl1 is on a Public_Lan_1 (w.x.y.z)

Natd is configure for adress translation and seems to run fine: I can do
FTP and WWW on the private LAN.
When I run Mrouted (private addresses are filtered before accessing to
the MBone, by router 1) I have the following message :

> mrouted[5178]: mrouted version 3.9-beta3+IOS12
> mrouted[5178]: warning - received DVMRP message from self (check
device loopback): w.x.y.z

I can see Mbone session on the private Lan.
When I contribute to this session :
People can't see me on the MBone (correct)
People can see me on the Public_Lan_1 (correct)
People can't see me on the Public_Lan_2 (not correct as my TTL is big
enought)

If I start the computer without Natd, Mrouted work fine and people can
see me on the Public_lan_2

someone has an idee to configure Natd or/and Mrouted to work together ?
What about other multicast routing deamons (MBGP with mrtd or zebra for
example?)

Thanx
Philippe


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