Sharon -- I replied to your comment on the corresponding GitHub issue: https://github.com/open-mpi/ompi/issues/5818#issuecomment-842531001.
On May 14, 2021, at 1:12 PM, Sharon Brunett via users <users@lists.open-mpi.org<mailto:users@lists.open-mpi.org>> wrote: Does Open MPI v 4.1.0 or v 4.1.1 support using IP interfaces that have more than one IP address? -- Jeff Squyres jsquy...@cisco.com<mailto:jsquy...@cisco.com>