Could you look into the following FAQ entry and confirm that it works
(although you have some confirmation with the C program ) ?
http://wiki.glassfish.java.net/Wiki.jsp?page=FaqBasicMulticastTestBetweenMachines
glassfish_at_javadesktop.org wrote:
> If I had the problem you describe, shouldn't the cluster work at first and then collapse after a couple of minutes? If so, this is not the case here. In my case it seems more as if the nodes don't join the same party for some reason.
>
> WRT low level problems, I have tried a pair of small C-programs (I can post here if required) that create a multicast group and print messages (server side) that clients posted after joining the mcast group. That seems to work so far.
>
> Cheers
> Mobi.
> [Message sent by forum member 'mobiwan' (mobiwan)]
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