On May 6, 2013, at 8:52 AM, Ralph Castain <r...@open-mpi.org> wrote: >> I'm starting to think that perhaps is a firewall issue? I don't have >> root access in these machines but I'll try to investigate. > > Given that result, then yes - check iptables. I suspect they are running and > TCP socket comm is being blocked.
A simple test is to try any socket-based server app between the two machines that opens a random listening socket. Try to telnet to it from the other machine. If it fails to connect, then you likely have a firewalling issue. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
