diff --git a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
index 7dc8afd6591..3a055fc55f8 100644
--- a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
+++ b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
@@ -75,7 +75,7 @@ class OVSAgentBridge(ofswitch.OpenFlowSwitchMixin,
                 "port": conf.OVS.of_listen_port,
             }
         ]
-        self.set_protocols(ovs_consts.OPENFLOW13)
+        self.set_protocols([ovs_consts.OPENFLOW10, ovs_consts.OPENFLOW13])
         self.set_controller(controllers)
 
         # NOTE(ivc): Force "out-of-band" controller connection mode (see
diff --git a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/ovs_bridge.py b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/ovs_bridge.py
index d86a39230ca..b60a1f55621 100644
--- a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/ovs_bridge.py
+++ b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/ovs_bridge.py
@@ -29,7 +29,7 @@ class OVSAgentBridge(ofswitch.OpenFlowSwitchMixin,
     """Common code for bridges used by OVS agent"""
 
     def setup_controllers(self, conf):
-        self.set_protocols(ovs_consts.OPENFLOW10)
+        self.set_protocols([ovs_consts.OPENFLOW10, ovs_consts.OPENFLOW13])
         self.del_controller()
 
     def drop_port(self, in_port):