diff --git a/src/uct/ib/base/ib_iface.c b/src/uct/ib/base/ib_iface.c
index 2698b3ceb7c..ae58a2199a6 100644
--- a/src/uct/ib/base/ib_iface.c
+++ b/src/uct/ib/base/ib_iface.c
@@ -1671,6 +1671,11 @@ ucs_status_t uct_ib_iface_query(uct_ib_iface_t *iface, size_t xport_hdr_len,
         signal_rate           = 25.78125e9 * 2;
         encoding              = 64.0/66.0;
         break;
+    case 128: /* NDR */
+        iface_attr->latency.c = 600e-9; /* TODO t.b.d. */
+        signal_rate           = 100e9;
+        encoding              = 64.0/66.0;
+        break;
     default:
         ucs_error("Invalid active_speed on " UCT_IB_IFACE_FMT ": %d",
                   UCT_IB_IFACE_ARG(iface), active_speed);