diff --git a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/qos.py b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/qos.py
index e94403a79b1..fcb4fce8cbe 100644
--- a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/qos.py
+++ b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/qos.py
@@ -216,14 +216,19 @@ class OVNClientQosExtension(object):
             if ovn_rule:
                 txn.add(self._driver._nb_idl.qos_add(**ovn_rule))
 
-    def create_port(self, txn, port):
-        self.update_port(txn, port, None, reset=True)
+    def create_port(self, txn, port, port_type=None):
+        self.update_port(txn, port, None, reset=True, port_type=port_type)
 
     def delete_port(self, txn, port):
         self.update_port(txn, port, None, delete=True)
 
     def update_port(self, txn, port, original_port, reset=False, delete=False,
-                    qos_rules=None):
+                    qos_rules=None, port_type=None):
+        if port_type == ovn_const.LSP_TYPE_EXTERNAL:
+            # External ports (SR-IOV) QoS is handled the SR-IOV agent QoS
+            # extension.
+            return
+
         if (not reset and not original_port) and not delete:
             # If there is no information about the previous QoS policy, do not
             # make any change, unless the port is new or the QoS information
diff --git a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
index de5e9236c3a..59d9e9e4e73 100644
--- a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
+++ b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
@@ -418,7 +418,7 @@ class OVNClient(object):
             if self.is_dns_required_for_port(port):
                 self.add_txns_to_sync_port_dns_records(txn, port)
 
-            self._qos_driver.create_port(txn, port)
+            self._qos_driver.create_port(txn, port, port_type=port_info.type)
 
         db_rev.bump_revision(context, port, ovn_const.TYPE_PORTS)
 
@@ -563,7 +563,8 @@ class OVNClient(object):
                   utils.is_lsp_trusted(port)):
                 self._del_port_from_drop_port_group(port['id'], txn)
 
-            self._qos_driver.update_port(txn, port, port_object)
+            self._qos_driver.update_port(txn, port, port_object,
+                                         port_type=port_info.type)
 
             if self.is_dns_required_for_port(port):
                 self.add_txns_to_sync_port_dns_records(
diff --git a/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/test_qos.py b/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/test_qos.py
index 410baade64b..facad0a5151 100644
--- a/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/test_qos.py
+++ b/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/test_qos.py
@@ -314,6 +314,13 @@ class TestOVNClientQosExtension(test_plugin.Ml2PluginV2TestCase):
         self.mock_rules.assert_called_once_with(
             mock.ANY, port.id, port.network_id, self.qos_policies[0].id, None)
 
+        # External port, OVN QoS extension does not apply.
+        self.mock_rules.reset_mock()
+        port.qos_policy_id = self.qos_policies[0].id
+        self.qos_driver.update_port(mock.ANY, port, original_port,
+                                    port_type=ovn_const.LSP_TYPE_EXTERNAL)
+        self.mock_rules.assert_not_called()
+
     def test_delete_port(self):
         self.mock_rules.reset_mock()
         self.qos_driver.delete_port(mock.ANY, self.ports[1])