Steve> However, if I run 2 instances of the app that reads mcasts
Steve> and dumps them to stdout, I only get the mcast packets
Steve> delivered to one of the applications. Namely the first one
Steve> who joins the group seems to get the mcasts. I know for
Steve> UDP/IP multicast, all applications bound to the same port
Steve> and joined to the IP mcast addr will get a copy of incoming
Steve> mcast packets. Is this not true for IB mcast? It appears
Steve> not based on my tests...
This should work -- multicast packets should be replicated to all
attached UD QPs. There is likely a bug in the librdma multicast support.
- R.
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