Date: Tue, 17 Jun 2003 14:24:37 -0400 (EDT) From: Tom Daly <tom@dyndns.org> To: Robert Watson <rwatson@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: Sorry if duplicate...Multicast Routing Message-ID: <Pine.BSF.4.53.0306171423470.14550@manganese.bos.dyndns.org> In-Reply-To: <Pine.NEB.3.96L.1030617125929.15507K-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1030617125929.15507K-100000@fledge.watson.org>
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Robert, Could you clarify a bit? Are you able to move the multicast traffic between each side of the IP-IP tunnel? Tom On Tue, 17 Jun 2003, Robert Watson wrote: > > On Tue, 17 Jun 2003, Tom Daly wrote: > > > Has anyone been able to create a unified multicast broadcast domain > > using FreeBSD routers and tunnels? Our internal telephone system VOIP > > system that uses multicast to handle things like conference calling and > > paging. Many of our employess are off site, which DSL lines. A FreeBSD > > box creates a PPP tuennel for packet flow, which lets basic VOIP > > functions happen, but to allow more flexibility, I need to route > > multicast traffic as well. Anyone have any good suggestions as to how > > to get this going? I have tried numerous things with mrouted, but they > > do not seem to work. > > I've never used PPP to directly tunnel multicast, although the tun0 > interfaces appear to have the MULTICAST flag set. The configuration we > use here at NAI Labs is to use IP in IP tunneling between sites, and IP > multicast over ethernet multicast on local area networks, which works > quite well. We use this specifically for video multicast, since we are > generally relying on the phone networks to do audio still for latency > reasons. > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > robert@fledge.watson.org Network Associates Laboratories > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- Tom Daly tom@dyndns.org Chief Infrastructure Officer Dynamic DNS Network Services http://www.dyndns.org/
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