>> Yes, you are right - subnets are different, but routes set up correctly
>> and everything like ping, ssh etc. are working OK between them
> But it isn't a routing problem but how the tcp btl in Open MPI decides
> which interface the nodes can communicate with (completely out of the
> hands of the TCP stack and lower).
Ok, I see.
>> Alexander Shabarshin P.S. Between Linuxes I even tried different versions
>> of OpenMPI 1.2.4 and 1.2.5 - these versions work together correctly, but
>> not with ClusterTools...
> Are the linuxes boxes on the same subnet?
It's correct. The same subnet...
So now we will try to put Linux machine and SunFires to the same subnet and