If you are trying to use OMPI as the base for ORCM, then you can tell ORCM to use OMPI's "tcp" multicast module - it fakes multicast using pt-2-pt tcp messaging.
-mca rmcast tcp will do the trick. On Thu, Feb 24, 2011 at 6:27 AM, Jeff Squyres <jsquy...@cisco.com> wrote: > I'm still not sure what you're asking -- are you asking how to get Open MPI > to work if multicast is disabled in your network? > > If so, not to worry; Open MPI doesn't currently use multicast. > > > On Feb 24, 2011, at 6:39 AM, Vasiliy G Tolstov wrote: > > > On Thu, 2011-02-24 at 06:32 -0500, Jeff Squyres (jsquyres) wrote: > >> I'm not sure what you're asking. Open MPI should work just fine in a Xen > environment. > >> > >> If you're unsure about how to use the MPI API, you might want to take a > tutorial to get you familiar with MPI concepts, etc. Google around; there > are a bunch available. My personal favorite is at the UIUC NCSA web site; if > you sign up for a free account, they have a beginners and intermediate MPI > tutorials available. > >> > >> Sent from my PDA. No type good. > >> > >> On Feb 24, 2011, at 4:37 AM, "Vasiliy G Tolstov" <v.tols...@selfip.ru> > wrote: > > > > This is not xen specific problem. but routing specific. Admins deny > > multicast packets. > > > > -- > > Vasiliy G Tolstov <v.tols...@selfip.ru> > > Selfip.Ru > > > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >