Date: Mon, 25 Nov 1996 10:14:42 PST From: Bill Fenner <fenner@parc.xerox.com> To: current@freebsd.org Subject: Strangeness in 2.2-ALPHA with multicast traffic Message-ID: <96Nov25.101447pst.177711@crevenia.parc.xerox.com>
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I'm running mrouted and the multicast applications all on one machine, with a de0 and an ed0, the ed0 is disabled for multicast. I am seeing two oddities: 1) If I have "vat" running on a group, and run "tcpdump", tcpdump shows lots of non-IP traffic which is actually the multicast data but mangled. If I quit the "vat", tcpdump goes back to showing the traffic as multicast IP. 2) Multicast group memberships sometimes simply disappear, I haven't been able to figure out what can trigger this. I also haven't been able to do much debugging because somehow the multicast group membership stuff never made it into netstat. Is anyone else having problems like this? These are relatively major bugs and I don't think a release should ship with them. I never experienced them in -stable . Bill
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