Date: Mon, 28 Oct 1996 10:28:39 -0800 From: Amancio Hasty <hasty@rah.star-gate.com> To: Archie Cobbs <archie@whistle.com> Cc: freebsd-multimedia@freebsd.org Subject: Re: multi-cast + proxy arp ? Message-ID: <199610281828.KAA04442@rah.star-gate.com> In-Reply-To: Your message of "Mon, 28 Oct 1996 10:03:44 PST." <199610281803.KAA17336@bubba.whistle.com>
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Actually, ppp should be able to route the ip multicast packets if it doesn't it should be fixed. I know that slip support ip multicast. The problem that I see is if you depend on IP Multicast traffic on your sub-net is that you will get flooded ( I am assuming that you have a 28.8 modem connection however even with ISDN it can still be a problem) So this pretty much leaves two solutions: run rtp gateway on your remote site and aimed the traffic to your local system or get a different subnet for your remote site and run mrouted. In any event you probably want to run the rtp gateway to throttle the traffic. You can get rtp gateway from: ftp://rah.star-gate.com:/pub/rtpgwsrc-1.0a18.tar.gz Enjoy, Amancio >From The Desk Of Archie Cobbs : > > Amancio Hasty writes: > > > Try to post your mbone related questions to multimedia@freebsd.org > > > > You can set a tunnel between your host and the mrouted at the other > > end with no problems. > > Just read the manpage on mrouted. Also it will not cost you a subnet. > > Thanks Amancio- forgot about the "multimedia" list... this email is > going there instead. > > The problem is that the IP address of the client is proxy-arp'ed, and > mrouted doesn't consider the tunnel valid: > > Client Server > | > +----+ +----+ | <-- Ethernet (with mbone) > | | 207.76.205.X | | | > | +--------------------------------+ +---+ <-- 207.76.205.Y > | | ^^ PPP connection ^^ | | | <-- 207.76.205.X (proxy) > +----+ +----+ | > | > > Both machines are running 960801-SNAP. > > I can't just run an mrouted tunnel from 207.76.205.Y to 207.76.205.X > because mrouted considers that ridiculous, since the IP addresses seem > to be on the same subnet, and it won't do it. > > I guess mrouted should take a look at the routing table first before it > makes this determination. > > -Archie > > ___________________________________________________________________________ > Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com
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