Multicast between zones in Solaris 10 3/05

Hi
We have a Solaris 10 3/05 installation, with different zones. We have written a pair of test programs to test multicast traffic between zones: one of them joins a given IP/port, and the other sends datagrams with dummy text to a given IP/port. We want to ensure multicast traffic between zones using 239.255.2.3, port 6155/6156 works seamlessly.
We started trying that IP between different machines (with no zones, or between global zones in different machines), and it worked. Then we tried between a non-global zone and the global zone of the same machine, and it worked. But then we tried between different zones in the same machine, and it didn't worked: datagrams are not reaching other zones but the global one.
�Any ideas about this? Using 239.255.2.3 is a must, and being a valid multicast IP, it should work out-of-the-box. All zones have an exclusive IP, and are in the same subnet (also the global zone).
Edited by: E.Corral on Aug 22, 2008 5:49 AM

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You could upgrade the zones stuff by applying patches, but it will drag a lot of other stuff in as preqrequisites.
Just installing a recommended patch set should accomplish this.
But it may be simpler to just upgrade to 5/08 and be done with it. Liveupgade or upgrade install should work.

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