diff --git a/shade/openstackcloud.py b/shade/openstackcloud.py
index fd85bde0d..73325df04 100644
--- a/shade/openstackcloud.py
+++ b/shade/openstackcloud.py
@@ -1446,6 +1446,20 @@ class OpenStackCloud(
         keypairs = self.list_keypairs()
         return _utils._filter_list(keypairs, name_or_id, filters)
 
+    @_utils.cache_on_arguments()
+    def _neutron_extensions(self):
+        extensions = set()
+
+        for extension in self._network_client.get(
+                '/extensions.json',
+                error_message="Error fetching extension list for neutron"):
+            extensions.add(extension['alias'])
+
+        return extensions
+
+    def _has_neutron_extension(self, extension_alias):
+        return extension_alias in self._neutron_extensions()
+
     def search_networks(self, name_or_id=None, filters=None):
         """Search networks
 
diff --git a/shade/tests/unit/test_shade.py b/shade/tests/unit/test_shade.py
index 73b51f163..65e398de4 100644
--- a/shade/tests/unit/test_shade.py
+++ b/shade/tests/unit/test_shade.py
@@ -304,6 +304,104 @@ class TestShade(base.RequestsMockTestCase):
 
         self.assert_calls()
 
+    def test__neutron_extensions(self):
+        body = [
+            {
+                "updated": "2014-06-1T10:00:00-00:00",
+                "name": "Distributed Virtual Router",
+                "links": [],
+                "alias": "dvr",
+                "description":
+                    "Enables configuration of Distributed Virtual Routers."
+            },
+            {
+                "updated": "2013-07-23T10:00:00-00:00",
+                "name": "Allowed Address Pairs",
+                "links": [],
+                "alias": "allowed-address-pairs",
+                "description": "Provides allowed address pairs"
+            },
+        ]
+        self.register_uris([
+            dict(method='GET',
+                 uri=self.get_mock_url(
+                     'network', 'public', append=['v2.0', 'extensions.json']),
+                 json=dict(extensions=body))
+        ])
+        extensions = self.cloud._neutron_extensions()
+        self.assertEqual(set(['dvr', 'allowed-address-pairs']), extensions)
+
+        self.assert_calls()
+
+    def test__neutron_extensions_fails(self):
+        self.register_uris([
+            dict(method='GET',
+                 uri=self.get_mock_url(
+                     'network', 'public', append=['v2.0', 'extensions.json']),
+                 status_code=404)
+        ])
+        with testtools.ExpectedException(
+            exc.OpenStackCloudURINotFound,
+            "Error fetching extension list for neutron"
+        ):
+            self.cloud._neutron_extensions()
+
+        self.assert_calls()
+
+    def test__has_neutron_extension(self):
+        body = [
+            {
+                "updated": "2014-06-1T10:00:00-00:00",
+                "name": "Distributed Virtual Router",
+                "links": [],
+                "alias": "dvr",
+                "description":
+                    "Enables configuration of Distributed Virtual Routers."
+            },
+            {
+                "updated": "2013-07-23T10:00:00-00:00",
+                "name": "Allowed Address Pairs",
+                "links": [],
+                "alias": "allowed-address-pairs",
+                "description": "Provides allowed address pairs"
+            },
+        ]
+        self.register_uris([
+            dict(method='GET',
+                 uri=self.get_mock_url(
+                     'network', 'public', append=['v2.0', 'extensions.json']),
+                 json=dict(extensions=body))
+        ])
+        self.assertTrue(self.cloud._has_neutron_extension('dvr'))
+        self.assert_calls()
+
+    def test__has_neutron_extension_missing(self):
+        body = [
+            {
+                "updated": "2014-06-1T10:00:00-00:00",
+                "name": "Distributed Virtual Router",
+                "links": [],
+                "alias": "dvr",
+                "description":
+                    "Enables configuration of Distributed Virtual Routers."
+            },
+            {
+                "updated": "2013-07-23T10:00:00-00:00",
+                "name": "Allowed Address Pairs",
+                "links": [],
+                "alias": "allowed-address-pairs",
+                "description": "Provides allowed address pairs"
+            },
+        ]
+        self.register_uris([
+            dict(method='GET',
+                 uri=self.get_mock_url(
+                     'network', 'public', append=['v2.0', 'extensions.json']),
+                 json=dict(extensions=body))
+        ])
+        self.assertFalse(self.cloud._has_neutron_extension('invalid'))
+        self.assert_calls()
+
     def test_range_search(self):
         filters = {"key1": "min", "key2": "20"}
         retval = self.cloud.range_search(RANGE_DATA, filters)