[openib-general] IB mcast question

[Steve Wise]

On Mon, 2006-08-14 at 12:31 -0700, Sean Hefty wrote:
> >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

Hmm.  Ok. I'll debug this.  I need to get this working...

Steve.