Jeff Squyres wrote: > On Feb 12, 2007, at 2:34 PM, Matteo Guglielmi wrote: > > >> Those nic "eth1" are not connected at all... all the machines use >> only the eth0 >> interface which have different IP for each PC. >> > > Gotcha. But, FWIW, OMPI doesn't know that because they have valid IP > addresses. So it thinks they're on the same subnet (on the same > host, actually), and therefore thinks that they should be routable. > > >> Anyway you solved my problem suggesting me those FAQ entries!!! >> --mca btl_tcp_if_exclude lo,eth1 that's the magic option which >> works for me!!! >> > > Excellent -- glad to help. > > Another solution might be to simply disable those NICs since they're > not hooked up to anything; then OMPI should work without any options. > Yep that's even better! > Good luck! > > Thanks again,
I was playing around with the firewall so far and couldn't get any solution out of it... and now I know why... because the problem wasn't there!!! Oh my gosh... you helped me a lot! Cheers, MG.