From owner-freebsd-net@FreeBSD.ORG Tue Jun 17 11:24:39 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6868F37B401; Tue, 17 Jun 2003 11:24:39 -0700 (PDT) Received: from manganese.bos.dyndns.org (manganese.bos.dyndns.org [66.151.188.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9957143F93; Tue, 17 Jun 2003 11:24:38 -0700 (PDT) (envelope-from tom@dyndns.org) Received: from manganese.bos.dyndns.org (tom@localhost [127.0.0.1]) h5HIObWN014786; Tue, 17 Jun 2003 14:24:37 -0400 (EDT) (envelope-from tom@dyndns.org) Received: from localhost (tom@localhost)h5HIObbu014783; Tue, 17 Jun 2003 14:24:37 -0400 (EDT) X-Authentication-Warning: manganese.bos.dyndns.org: tom owned process doing -bs Date: Tue, 17 Jun 2003 14:24:37 -0400 (EDT) From: Tom Daly X-X-Sender: tom@manganese.bos.dyndns.org To: Robert Watson In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-net@freebsd.org Subject: Re: Sorry if duplicate...Multicast Routing X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jun 2003 18:24:39 -0000 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/