diff --git a/hooks/neutron_ovs_context.py b/hooks/neutron_ovs_context.py
index 14dc4a70..417776f3 100644
--- a/hooks/neutron_ovs_context.py
+++ b/hooks/neutron_ovs_context.py
@@ -118,6 +118,8 @@ class OVSPluginContext(context.NeutronContext):
         ovs_ctxt['neutron_security_groups'] = self.neutron_security_groups
         ovs_ctxt['l2_population'] = neutron_api_settings['l2_population']
         ovs_ctxt['distributed_routing'] = neutron_api_settings['enable_dvr']
+        ovs_ctxt['extension_drivers'] = neutron_api_settings[
+            'extension_drivers']
         ovs_ctxt['overlay_network_type'] = \
             neutron_api_settings['overlay_network_type']
         ovs_ctxt['polling_interval'] = neutron_api_settings['polling_interval']
diff --git a/templates/mitaka/openvswitch_agent.ini b/templates/mitaka/openvswitch_agent.ini
index b6096ac5..6a12091d 100644
--- a/templates/mitaka/openvswitch_agent.ini
+++ b/templates/mitaka/openvswitch_agent.ini
@@ -21,6 +21,9 @@ prevent_arp_spoofing = {{ prevent_arp_spoofing }}
 veth_mtu = {{ veth_mtu }}
 {% endif -%}
 polling_interval = {{ polling_interval }}
+{% if extension_drivers -%}
+extensions = {{ extension_drivers }}
+{% endif -%}
 
 [securitygroup]
 {% if neutron_security_groups and not enable_dpdk -%}
diff --git a/tests/basic_deployment.py b/tests/basic_deployment.py
index 645a93a9..ac13113b 100644
--- a/tests/basic_deployment.py
+++ b/tests/basic_deployment.py
@@ -57,8 +57,8 @@ class NeutronOVSBasicDeployment(OpenStackAmuletDeployment):
         # We delay check for services running on neutron-openvswitch unit to
         # after verification of sriov configuration. See comment in function
         # test_301_neutron_sriov_config()
-        exclude_services = ['neutron-openvswitch']
-        self._auto_wait_for_status(exclude_services=exclude_services)
+        self.exclude_services = ['neutron-openvswitch']
+        self._auto_wait_for_status(exclude_services=self.exclude_services)
 
         self.d.sentry.wait()
         self._initialize_tests()
@@ -390,6 +390,28 @@ class NeutronOVSBasicDeployment(OpenStackAmuletDeployment):
         self.d.configure(juju_service, set_default)
         u.log.debug('OK')
 
+    def test_400_enable_qos(self):
+        """Check qos settings set via neutron-api charm"""
+        if self._get_openstack_release() >= self.trusty_mitaka:
+            unit = self.n_ovs_sentry
+            set_default = {'enable-qos': 'False'}
+            set_alternate = {'enable-qos': 'True'}
+            self.d.configure('neutron-api', set_alternate)
+            time.sleep(60)
+            self._auto_wait_for_status(exclude_services=self.exclude_services)
+            config = u._get_config(
+                unit,
+                '/etc/neutron/plugins/ml2/openvswitch_agent.ini')
+            extensions = config.get('agent', 'extensions').split(',')
+            if 'qos' not in extensions:
+                message = "qos not in extensions"
+                amulet.raise_status(amulet.FAIL, msg=message)
+
+            u.log.debug('Setting QoS back to {}'.format(
+                set_default['enable-qos']))
+            self.d.configure('neutron-api', set_default)
+            u.log.debug('OK')
+
     def test_910_pause_and_resume(self):
         """The services can be paused and resumed. """
         u.log.debug('Checking pause and resume actions...')
diff --git a/unit_tests/test_neutron_ovs_context.py b/unit_tests/test_neutron_ovs_context.py
index fb8c6e62..c71300d4 100644
--- a/unit_tests/test_neutron_ovs_context.py
+++ b/unit_tests/test_neutron_ovs_context.py
@@ -149,6 +149,7 @@ class OVSPluginContextTest(CharmTestCase):
         rdata = {
             'neutron-security-groups': 'True',
             'l2-population': 'True',
+            'enable-qos': 'True',
             'network-device-mtu': 1500,
             'overlay-network-type': 'gre',
             'enable-dvr': 'True',
@@ -160,6 +161,7 @@ class OVSPluginContextTest(CharmTestCase):
             'neutron_security_groups': True,
             'distributed_routing': True,
             'verbose': True,
+            'extension_drivers': 'qos',
             'local_ip': '127.0.0.15',
             'network_device_mtu': 1500,
             'veth_mtu': 1500,
@@ -224,6 +226,7 @@ class OVSPluginContextTest(CharmTestCase):
         rdata = {
             'neutron-security-groups': 'True',
             'l2-population': 'True',
+            'enable-qos': 'True',
             'network-device-mtu': 1500,
             'overlay-network-type': 'gre',
         }
@@ -235,6 +238,7 @@ class OVSPluginContextTest(CharmTestCase):
             'neutron_alchemy_flags': {},
             'neutron_security_groups': False,
             'verbose': True,
+            'extension_drivers': 'qos',
             'local_ip': '127.0.0.15',
             'veth_mtu': 1500,
             'network_device_mtu': 1500,