diff --git a/tempest/clients.py b/tempest/clients.py
index ef07d9c..b832929 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -69,6 +69,10 @@
     VolumeTypesClientXML
 from tempest.services.volume.xml.snapshots_client import SnapshotsClientXML
 from tempest.services.volume.xml.volumes_client import VolumesClientXML
+from tempest.services.compute.json.interfaces_client import \
+    InterfacesClientJSON
+from tempest.services.compute.xml.interfaces_client import \
+    InterfacesClientXML
 
 LOG = logging.getLogger(__name__)
 
@@ -147,6 +151,11 @@
     "xml": SecurityGroupsClientXML,
 }
 
+INTERFACES_CLIENT = {
+    "json": InterfacesClientJSON,
+    "xml": InterfacesClientXML,
+}
+
 
 class Manager(object):
 
@@ -208,6 +217,7 @@
             self.token_client = TOKEN_CLIENT[interface](self.config)
             self.security_groups_client = \
                 SECURITY_GROUPS_CLIENT[interface](*client_args)
+            self.interfaces_client = INTERFACES_CLIENT[interface](*client_args)
         except KeyError:
             msg = "Unsupported interface type `%s'" % interface
             raise exceptions.InvalidConfiguration(msg)
diff --git a/tempest/services/compute/json/interfaces_client.py b/tempest/services/compute/json/interfaces_client.py
new file mode 100644
index 0000000..468a5c2
--- /dev/null
+++ b/tempest/services/compute/json/interfaces_client.py
@@ -0,0 +1,57 @@
+# Copyright 2013 IBM Corp.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+
+from tempest.common.rest_client import RestClient
+
+
+class InterfacesClientJSON(RestClient):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(InterfacesClientJSON, self).__init__(config, username, password,
+                                                   auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def list_interfaces(self, server):
+        resp, body = self.get('servers/%s/os-interface' % server)
+        body = json.loads(body)
+        return resp, body['interfaceAttachments']
+
+    def create_interface(self, server, port_id=None, network_id=None,
+                         fixed_ip=None):
+        post_body = dict(interfaceAttachment=dict())
+        if port_id:
+            post_body['port_id'] = port_id
+        if network_id:
+            post_body['net_id'] = network_id
+        if fixed_ip:
+            post_body['fixed_ips'] = [dict(ip_address=fixed_ip)]
+        post_body = json.dumps(post_body)
+        resp, body = self.post('servers/%s/os-interface' % server,
+                               headers=self.headers,
+                               body=post_body)
+        body = json.loads(body)
+        return resp, body['interfaceAttachment']
+
+    def show_interface(self, server, port_id):
+        resp, body = self.get('servers/%s/os-interface/%s' % (server, port_id))
+        body = json.loads(body)
+        return resp, body['interfaceAttachment']
+
+    def delete_interface(self, server, port_id):
+        resp, body = self.delete('servers/%s/os-interface/%s' % (server,
+                                                                 port_id))
+        return resp, body
diff --git a/tempest/services/compute/xml/interfaces_client.py b/tempest/services/compute/xml/interfaces_client.py
new file mode 100644
index 0000000..4a692a1
--- /dev/null
+++ b/tempest/services/compute/xml/interfaces_client.py
@@ -0,0 +1,82 @@
+# Copyright 2013 IBM Corp.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from lxml import etree
+
+from tempest.common.rest_client import RestClientXML
+from tempest.services.compute.xml.common import Document
+from tempest.services.compute.xml.common import Element
+from tempest.services.compute.xml.common import Text
+from tempest.services.compute.xml.common import xml_to_json
+
+
+class InterfacesClientXML(RestClientXML):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(InterfacesClientXML, self).__init__(config, username, password,
+                                                  auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def _process_xml_interface(self, node):
+        iface = xml_to_json(node)
+        # NOTE(danms): if multiple addresses per interface is ever required,
+        # xml_to_json will need to be fixed or replaced in this case
+        iface['fixed_ips'] = [dict(iface['fixed_ips']['fixed_ip'].items())]
+        return iface
+
+    def list_interfaces(self, server):
+        resp, body = self.get('servers/%s/os-interface' % server, self.headers)
+        node = etree.fromstring(body)
+        interfaces = [self._process_xml_interface(x)
+                      for x in node.getchildren()]
+        return resp, interfaces
+
+    def create_interface(self, server, port_id=None, network_id=None,
+                         fixed_ip=None):
+        doc = Document()
+        iface = Element('interfaceAttachment')
+        if port_id:
+            _port_id = Element('port_id')
+            _port_id.append(Text(port_id))
+            iface.append(_port_id)
+        if network_id:
+            _network_id = Element('net_id')
+            _network_id.append(Text(network_id))
+            iface.append(_network_id)
+        if fixed_ip:
+            _fixed_ips = Element('fixed_ips')
+            _fixed_ip = Element('fixed_ip')
+            _ip_address = Element('ip_address')
+            _ip_address.append(Text(fixed_ip))
+            _fixed_ip.append(_ip_address)
+            _fixed_ips.append(_fixed_ip)
+            iface.append(_fixed_ips)
+        doc.append(iface)
+        resp, body = self.post('servers/%s/os-interface' % server,
+                               headers=self.headers,
+                               body=str(doc))
+        body = self._process_xml_interface(etree.fromstring(body))
+        return resp, body
+
+    def show_interface(self, server, port_id):
+        resp, body = self.get('servers/%s/os-interface/%s' % (server, port_id),
+                              self.headers)
+        body = self._process_xml_interface(etree.fromstring(body))
+        return resp, body
+
+    def delete_interface(self, server, port_id):
+        resp, body = self.delete('servers/%s/os-interface/%s' % (server,
+                                                                 port_id))
+        return resp, body
diff --git a/tempest/tests/compute/base.py b/tempest/tests/compute/base.py
index 94fff13..3b2026e 100644
--- a/tempest/tests/compute/base.py
+++ b/tempest/tests/compute/base.py
@@ -59,6 +59,7 @@
         cls.limits_client = os.limits_client
         cls.volumes_extensions_client = os.volumes_extensions_client
         cls.volumes_client = os.volumes_client
+        cls.interfaces_client = os.interfaces_client
         cls.build_interval = cls.config.compute.build_interval
         cls.build_timeout = cls.config.compute.build_timeout
         cls.ssh_user = cls.config.compute.ssh_user
diff --git a/tempest/tests/compute/servers/test_attach_interfaces.py b/tempest/tests/compute/servers/test_attach_interfaces.py
new file mode 100644
index 0000000..47c0575
--- /dev/null
+++ b/tempest/tests/compute/servers/test_attach_interfaces.py
@@ -0,0 +1,112 @@
+# Copyright 2013 IBM Corp.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest import clients
+from tempest.tests.compute import base
+
+import time
+
+
+class AttachInterfacesTestJSON(base.BaseComputeTest):
+    _interface = 'json'
+
+    @classmethod
+    def setUpClass(cls):
+        super(AttachInterfacesTestJSON, cls).setUpClass()
+        os = clients.Manager()
+        if not os.config.network.quantum_available:
+            raise cls.skipException("Quantum is required")
+        cls.client = os.interfaces_client
+
+    def _check_interface(self, iface, port_id=None, network_id=None,
+                         fixed_ip=None):
+        self.assertIn('port_state', iface)
+        if port_id:
+            self.assertEqual(iface['port_id'], port_id)
+        if network_id:
+            self.assertEqual(iface['net_id'], network_id)
+        if fixed_ip:
+            self.assertEqual(iface['fixed_ips'][0]['ip_address'], fixed_ip)
+
+    def _create_server_get_interfaces(self):
+        server = self.create_server()
+        self.os.servers_client.wait_for_server_status(server['id'], 'ACTIVE')
+        resp, ifs = self.client.list_interfaces(server['id'])
+        return server, ifs
+
+    def _test_create_interface(self, server):
+        resp, iface = self.client.create_interface(server['id'])
+        self._check_interface(iface)
+        return iface
+
+    def _test_create_interface_by_network_id(self, server, ifs):
+        network_id = ifs[0]['net_id']
+        resp, iface = self.client.create_interface(server['id'],
+                                                   network_id=network_id)
+        self._check_interface(iface, network_id=network_id)
+        return iface
+
+    def _test_show_interface(self, server, ifs):
+        iface = ifs[0]
+        resp, _iface = self.client.show_interface(server['id'],
+                                                  iface['port_id'])
+        self.assertEqual(iface, _iface)
+
+    def _test_delete_interface(self, server, ifs):
+        # NOTE(danms): delete not the first or last, but one in the middle
+        iface = ifs[1]
+        self.client.delete_interface(server['id'], iface['port_id'])
+        for i in range(0, 5):
+            _r, _ifs = self.client.list_interfaces(server['id'])
+            if len(ifs) != len(_ifs):
+                break
+            time.sleep(1)
+
+        self.assertEqual(len(_ifs), len(ifs) - 1)
+        for _iface in _ifs:
+            self.assertNotEqual(iface['port_id'], _iface['port_id'])
+        return _ifs
+
+    def _compare_iface_list(self, list1, list2):
+        # NOTE(danms): port_state will likely have changed, so just
+        # confirm the port_ids are the same at least
+        list1 = [x['port_id'] for x in list1]
+        list2 = [x['port_id'] for x in list2]
+
+        self.assertEqual(sorted(list1), sorted(list2))
+
+    def test_create_list_show_delete_interfaces(self):
+        server, ifs = self._create_server_get_interfaces()
+        interface_count = len(ifs)
+        self.assertTrue(interface_count > 0)
+        self._check_interface(ifs[0])
+
+        iface = self._test_create_interface(server)
+        ifs.append(iface)
+
+        iface = self._test_create_interface_by_network_id(server, ifs)
+        ifs.append(iface)
+
+        resp, _ifs = self.client.list_interfaces(server['id'])
+        self._compare_iface_list(ifs, _ifs)
+
+        self._test_show_interface(server, ifs)
+
+        _ifs = self._test_delete_interface(server, ifs)
+        self.assertEqual(len(ifs) - 1, len(_ifs))
+
+
+class AttachInterfacesTestXML(AttachInterfacesTestJSON):
+    _interface = 'xml'