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Date: Mon, 08 Dec 1997 17:44:24 -0800
From: Julian Elischer <julian@whistle.com>
Organization: Whistle Communications
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To: Charles Mott <cmott@srv.net>
CC: hackers@FreeBSD.ORG
Subject: Re: natd settings problem
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Charles Mott wrote:
> 
> On Mon, 8 Dec 1997, Julian Elischer wrote:
> > Charles Mott wrote:
> > >
> > > On Mon, 8 Dec 1997, Valter Mazzaro wrote:
> > > > My purpose is to run a video conference application (vic) between HOST1/2 and
> > > > ISP.
> > > > In AS a natd daemon is running. The problem is that, with the present settings,
> > > > I've succeeded in running vic just between ISP and ONE host AT THE TIME!!
> > > [snip]
> >
> > you need to run mrouted on the gateway machine, so that it takes in a
> > unicast IPstream from the supplier,
> > and runs multicast out through the LAN.
> >
> 
> Would you care to post an example mrouted.conf file that does this?  I
> can't actually test this, but I am interested to understand it better,
> especially if there are any interactions with natd.
> 
> One user has told me he has had problems with multicast through ppp -alias
> and natd, but I am not sure whether this was MBONE traffic or UDP.
> 
> Charles Mott

from my understanding of it...

the local network would be running on the multicast IP address
which would be independent of address translation.
the IP tunnel to the mbone would be running out of the 'legal'
address.
I believe this should "just work"


julian