Hi Howard, > On 27 Aug 2015, at 17:59 , Mark Santcroos <mark.santcr...@rutgers.edu> wrote: >> If you bind to ipogif0 then you should have much better luck, unless >> you're trying to have open mpi span outside the cray HPN. > > > Now you get me wondering. I actually played with both oob-tcp-if-include and > -exclude , but possibly not in the right context I realize now. > Let me undo my changes and try with only the configuration changes.
That doesn't seem to work. But by looking at the code at https://github.com/open-mpi/ompi/blob/master/orte/mca/oob/tcp/oob_tcp_listener.c#L279 I also think that it still binds to all interfaces/addresses there regardless of the interfaces one configures with oob_tcp_if_include. Gr, Mark