diff --git a/neutron/plugins/cisco/n1kv/n1kv_client.py b/neutron/plugins/cisco/n1kv/n1kv_client.py
index 5a400dec48f..b07e1c51f1e 100644
--- a/neutron/plugins/cisco/n1kv/n1kv_client.py
+++ b/neutron/plugins/cisco/n1kv/n1kv_client.py
@@ -256,6 +256,8 @@ class Client(object):
                 'id': network_profile['id'],
                 'logicalNetwork': logical_network_name,
                 'tenantId': tenant_id}
+        if network_profile['segment_type'] == c_const.NETWORK_TYPE_OVERLAY:
+            body['subType'] = network_profile['sub_type']
         return self._post(
             self.network_segment_pool_path % network_profile['id'],
             body=body)
diff --git a/neutron/tests/unit/cisco/n1kv/test_n1kv_plugin.py b/neutron/tests/unit/cisco/n1kv/test_n1kv_plugin.py
index ef08e035476..7ba721fdec8 100644
--- a/neutron/tests/unit/cisco/n1kv/test_n1kv_plugin.py
+++ b/neutron/tests/unit/cisco/n1kv/test_n1kv_plugin.py
@@ -272,6 +272,13 @@ class TestN1kvNetworkProfiles(N1kvPluginTestCase):
         res = net_p_req.get_response(self.ext_api)
         self.assertEqual(res.status_int, 201)
 
+    def test_create_network_profile_overlay_missing_subtype(self):
+        data = self._prepare_net_profile_data(c_const.NETWORK_TYPE_OVERLAY)
+        data['network_profile'].pop('sub_type')
+        net_p_req = self.new_create_request('network_profiles', data)
+        res = net_p_req.get_response(self.ext_api)
+        self.assertEqual(res.status_int, 400)
+
     def test_create_network_profile_trunk(self):
         data = self._prepare_net_profile_data(c_const.NETWORK_TYPE_TRUNK)
         net_p_req = self.new_create_request('network_profiles', data)