Applies to AFF C-Series ONTAP 9.14.1 and later NFS over RDMA Answer No, Interface groups are not supported with NFS over RDMA If creation of a LIF of type Data - NFS with the “Use RoCE ports” checkbox...Applies to AFF C-Series ONTAP 9.14.1 and later NFS over RDMA Answer No, Interface groups are not supported with NFS over RDMA If creation of a LIF of type Data - NFS with the “Use RoCE ports” checkbox is attempted, it will result in this error: A broadcast domain with RoCE-capable ports wasn't found. Additional Information NFS over RDMA (netapp.com)