diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index 629926d..deefbeb 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -135,12 +135,12 @@
         super(BaseNetworkTest, cls).resource_cleanup()
 
     @classmethod
-    def create_network(cls, network_name=None):
+    def create_network(cls, network_name=None, **kwargs):
         """Wrapper utility that returns a test network."""
         network_name = network_name or data_utils.rand_name(
-            cls.__name__ + "-network")
+            cls.__name__ + '-test-network')
 
-        body = cls.networks_client.create_network(name=network_name)
+        body = cls.networks_client.create_network(name=network_name, **kwargs)
         network = body['network']
         cls.networks.append(network)
         return network
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index dadaaba..8d5462c 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -206,12 +206,16 @@
     def test_show_network_fields(self):
         # Verify specific fields of a network
         fields = ['id', 'name']
+        if test.is_extension_enabled('net-mtu', 'network'):
+            fields.append('mtu')
         body = self.networks_client.show_network(self.network['id'],
                                                  fields=fields)
         network = body['network']
         self.assertEqual(sorted(network.keys()), sorted(fields))
         for field_name in fields:
             self.assertEqual(network[field_name], self.network[field_name])
+        self.assertNotIn('tenant_id', network)
+        self.assertNotIn('project_id', network)
 
     @test.attr(type='smoke')
     @test.idempotent_id('f7ffdeda-e200-4a7a-bcbe-05716e86bf43')
@@ -226,6 +230,8 @@
     def test_list_networks_fields(self):
         # Verify specific fields of the networks
         fields = ['id', 'name']
+        if test.is_extension_enabled('net-mtu', 'network'):
+            fields.append('mtu')
         body = self.networks_client.list_networks(fields=fields)
         networks = body['networks']
         self.assertNotEmpty(networks, "Network list returned is empty")
@@ -389,6 +395,21 @@
             network_id=CONF.network.public_network_id)
         self.assertEmpty(body['subnets'], "Public subnets visible")
 
+    @test.idempotent_id('c72c1c0c-2193-4aca-ccc4-b1442640bbbb')
+    @test.requires_ext(extension="standard-attr-description",
+                       service="network")
+    def test_create_update_network_description(self):
+        body = self.create_network(description='d1')
+        self.assertEqual('d1', body['description'])
+        net_id = body['id']
+        body = self.networks_client.list_networks(id=net_id)['networks'][0]
+        self.assertEqual('d1', body['description'])
+        body = self.networks_client.update_network(body['id'],
+                                                   description='d2')
+        self.assertEqual('d2', body['network']['description'])
+        body = self.networks_client.list_networks(id=net_id)['networks'][0]
+        self.assertEqual('d2', body['description'])
+
 
 class BulkNetworkOpsTest(base.BaseNetworkTest):
     """Tests the following operations in the Neutron API: