>However, if I run 2 instances of the app that reads mcasts and dumps
>them to stdout, I only get the mcast packets delivered to one of the
>applications.  Namely the first one who joins the group seems to get the
>mcasts.  I know for UDP/IP multicast, all applications bound to the same
>port and joined to the IP mcast addr will get a copy of incoming mcast
>packets.  Is this not true for IB mcast?   It appears not based on my
>tests...

My testing revealed the same issue, and I was unable to locate the root cause of
the problem.  I was not able to confirm that this configuration had ever been
successfully tested.

- Sean

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