> > > I haven't worked with InfiniBand for years, but I do believe that yes: you > need IPoIB enabled on your IB devices to get the RDMA CM support to work. > > Yes, I saw too that RDMA CM requires IP, but in my case OpenMPI reports that UD CM can't be used too. Is it also require IPoIB?
Is it possible to read more about UD CM somewhere?
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