[OMPI users] Issue with unexpected IP address in OpenMPI

2023-03-27 Thread Todd Spencer via users
OpenMPI Users, I hope this email finds you all well. I am writing to bring to your attention an issue that I have encountered while using OpenMPI. I received the following error message while running a job: "Open MPI detected an inbound MPI TCP connection request from a peer that appears to be p

Re: [OMPI users] Issue with unexpected IP address in OpenMPI

2023-03-27 Thread Gilles Gouaillardet via users
Todd, Similar issues were also reported when there is Network Translation (NAT) between hosts, and that occured when using kvm/qemu virtual machine running on the same host. First you need to list the available interfaces on both nodes. Then try to restrict to a single interface that is kn