[Live-devel] one stream received on multiple multicast addresses

Dong Hoon Van Uytsel donghoon.vanuytsel at esaturnus.com
Wed Jul 4 05:15:29 PDT 2007


Dear list members,

I'm seeing the following strange behaviour using liveMedia: one stream
to a certain multicast group is being received on other multicast
addresses too, if the receiving host is member of the streamer's group
too. 

Not sure whether this is due to configuration error of my linux hosts
(Debian etch) or switch (D-Link DGS-1216T) - or is this even expected
behavior?

For instance, testMPEG1or2VideoReceiver.cpp:56 reads

	= "239.6.42.42";

and testMPEG1or2VideoStreamer.cpp:68 reads

	= "239.7.42.42";

SSM is not used.

In this situation, testMPEG1or2VideoReceiver sees the stream sent by
testMPEG1or2VideoStreamer as long as another process on the same host is
listening on 239.6.42.42 .

Best regards
Dong Hoon



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