diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c
index 137df16a05..2c270c5ca2 100644
--- a/ospfd/ospf_interface.c
+++ b/ospfd/ospf_interface.c
@@ -59,7 +59,12 @@ ospf_if_get_output_cost (struct ospf_interface *oi)
   u_int32_t cost;
   u_int32_t bw, refbw;
 
-  bw = oi->ifp->bandwidth ? oi->ifp->bandwidth : OSPF_DEFAULT_BANDWIDTH;
+  if (oi->ifp->bandwidth)
+    bw = oi->ifp->bandwidth;
+  if (!oi->ifp->bandwidth && oi->ifp->speed)
+    bw = oi->ifp->speed;
+  else
+   bw = OSPF_DEFAULT_BANDWIDTH;
   refbw = oi->ospf->ref_bandwidth;
 
   /* A specifed ip ospf cost overrides a calculated one. */
diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index 0eb3aa6a8a..7e8c5ce2ce 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -3252,6 +3252,7 @@ show_ip_ospf_interface_sub (struct vty *vty, struct ospf *ospf, struct interface
   int is_up;
   struct ospf_neighbor *nbr;
   struct route_node *rn;
+  uint32_t bandwidth = ifp->bandwidth ? ifp->bandwidth : ifp->speed;
 
   /* Is interface up? */
   if (use_json)
@@ -3264,7 +3265,7 @@ show_ip_ospf_interface_sub (struct vty *vty, struct ospf *ospf, struct interface
 
       json_object_int_add(json_interface_sub, "ifIndex", ifp->ifindex);
       json_object_int_add(json_interface_sub, "mtuBytes", ifp->mtu);
-      json_object_int_add(json_interface_sub, "bandwidthMbit", ifp->bandwidth);
+      json_object_int_add(json_interface_sub, "bandwidthMbit", bandwidth);
       json_object_string_add(json_interface_sub, "ifFlags", if_flag_dump(ifp->flags));
     }
   else
@@ -3272,7 +3273,7 @@ show_ip_ospf_interface_sub (struct vty *vty, struct ospf *ospf, struct interface
       vty_out (vty, "%s is %s%s", ifp->name,
                ((is_up = if_is_operative(ifp)) ? "up" : "down"), VTY_NEWLINE);
       vty_out (vty, "  ifindex %u, MTU %u bytes, BW %u Mbit %s%s",
-               ifp->ifindex, ifp->mtu, ifp->bandwidth, if_flag_dump(ifp->flags),
+               ifp->ifindex, ifp->mtu, bandwidth, if_flag_dump(ifp->flags),
                VTY_NEWLINE);
     }
 
diff --git a/ospfd/ospf_zebra.c b/ospfd/ospf_zebra.c
index abb6db0347..eb6b09c88c 100644
--- a/ospfd/ospf_zebra.c
+++ b/ospfd/ospf_zebra.c
@@ -188,16 +188,10 @@ ospf_interface_state_up (int command, struct zclient *zclient,
       zebra_interface_if_set_value (zclient->ibuf, ifp);
 
       if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
-        zlog_debug ("Zebra: Interface[%s] state update.", ifp->name);
+        zlog_debug ("Zebra: Interface[%s] state udpate speed change %u -> %u bw change %d -> %d.",
+                  ifp->name, if_tmp.speed, ifp->speed, if_tmp.bandwidth, ifp->bandwidth);
 
-      if (if_tmp.bandwidth != ifp->bandwidth)
-        {
-          if (IS_DEBUG_OSPF (zebra, ZEBRA_INTERFACE))
-            zlog_debug ("Zebra: Interface[%s] bandwidth change %d -> %d.",
-                       ifp->name, if_tmp.bandwidth, ifp->bandwidth);
-
-          ospf_if_recalculate_output_cost (ifp);
-        }
+      ospf_if_recalculate_output_cost (ifp);
 
       if (if_tmp.mtu != ifp->mtu)
         {