diff --git a/accton/accton_util.py b/accton/accton_util.py
index ccc0fa8..f6c0e92 100755
--- a/accton/accton_util.py
+++ b/accton/accton_util.py
@@ -609,7 +609,9 @@
     
 def add_bridge_flow(ctrl, dst_mac, vlanid, group_id, send_barrier=False):
     match = ofp.match()
+    priority=500
     if dst_mac!=None:
+        priority=1000
         match.oxm_list.append(ofp.oxm.eth_dst(dst_mac))
 
     match.oxm_list.append(ofp.oxm.vlan_vid(0x1000+vlanid))
@@ -625,7 +627,7 @@
                     ofp.instruction.goto_table(60)
                 ],
             buffer_id=ofp.OFP_NO_BUFFER,
-            priority=1000) 
+            priority=priority)
 
     logging.info("Inserting Brdige flow vlan %d, mac %s", vlanid, dst_mac)
     ctrl.message_send(request)
diff --git a/ofdpa/onos.py b/ofdpa/onos.py
index 6db2ee8..e1d63cb 100644
--- a/ofdpa/onos.py
+++ b/ofdpa/onos.py
@@ -73,6 +73,8 @@
             add_one_vlan_table_flow(self.controller, port, 300, flag=VLAN_TABLE_FLAG_ONLY_TAG)
         msg=add_l2_flood_group(self.controller, ports, 300, 1)
         add_bridge_flow(self.controller, None, 300, msg.group_id, True)
+        msg=add_l2_flood_group(self.controller, ports, 4093, 1)
+        add_bridge_flow(self.controller, None, 4093, msg.group_id, True)
         do_barrier(self.controller)
 
         for out_port in ports: