diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index a16f3b7..7f1e292 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -14,11 +14,11 @@
 
 Tempest currently has 2 different ways in configuration to provide credentials
 to use when running tempest. One is a traditional set of configuration options
-in the tempest.conf file. These options are in the identity section and let you
-specify a regular user, a global admin user, and an alternate user set of
-credentials. (which consist of a username, password, and project/tenant name)
-These options should be clearly labelled in the sample config file in the
-identity section.
+in the tempest.conf file. These options are in the auth and identity sections
+and let you specify a global admin user, a regular user and an alternate user
+set of credentials. (which consist of a username, password, and project/tenant
+name) These options should be clearly labelled in the sample config file in the
+auth and identity sections.
 
 The other method to provide credentials is using the accounts.yaml file. This
 file is used to specify an arbitrary number of users available to run tests
@@ -109,6 +109,9 @@
  #. Provide tempest with the location of your accounts.yaml file with the
     test_accounts_file option in the auth section
 
+    *NOTE: Be sure to use a full path for the file otherwise Tempest will
+    likely not find it.*
+
  #. Set use_dynamic_credentials = False in the auth group
 
 It is worth pointing out that each set of credentials in the accounts.yaml
@@ -126,21 +129,21 @@
 non-tenant isolated case was converted to internally work similarly to the
 accounts.yaml file. This mechanism was then called the legacy test accounts
 provider. To use the legacy test accounts provider you can specify the sets of
-credentials in the configuration file like detailed above with following 9
+credentials in the configuration file like detailed above with following 6
 options in the identity section:
 
  #. username
  #. password
  #. tenant_name
- #. admin_username
- #. admin_password
- #. admin_tenant_name
  #. alt_username
  #. alt_password
  #. alt_tenant_name
 
 And in the auth section:
-
+ 
+ #. admin_username
+ #. admin_password
+ #. admin_tenant_name
  #. use_dynamic_credentials = False
  #. comment out 'test_accounts_file' or keep it as empty
 
diff --git a/tempest/api/compute/admin/test_security_groups.py b/tempest/api/compute/admin/test_security_groups.py
index e31129b..1494745 100644
--- a/tempest/api/compute/admin/test_security_groups.py
+++ b/tempest/api/compute/admin/test_security_groups.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest import config
@@ -38,9 +36,6 @@
             self.client.delete_security_group(securitygroup_id)
 
     @test.idempotent_id('49667619-5af9-4c63-ab5d-2cfdd1c8f7f1')
-    @testtools.skipIf(CONF.service_available.neutron,
-                      "Skipped because neutron does not support all_tenants "
-                      "search filter.")
     @test.services('network')
     def test_list_security_groups_list_all_tenants_filter(self):
         # Admin can list security groups of all tenants
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index eaef598..f7b3655 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -55,6 +55,13 @@
     @classmethod
     def setup_credentials(cls):
         cls.set_network_resources()
+        cls.request_microversion = (
+            api_version_utils.select_request_microversion(
+                cls.min_microversion,
+                CONF.compute_feature_enabled.min_microversion))
+        if cls.request_microversion:
+            cls.services_microversion = {
+                CONF.compute.catalog_type: cls.request_microversion}
         super(BaseV2ComputeTest, cls).setup_credentials()
 
     @classmethod
diff --git a/tempest/api/network/admin/test_agent_management.py b/tempest/api/network/admin/test_agent_management.py
index 64802aa..61f8e15 100644
--- a/tempest/api/network/admin/test_agent_management.py
+++ b/tempest/api/network/admin/test_agent_management.py
@@ -29,13 +29,13 @@
     @classmethod
     def resource_setup(cls):
         super(AgentManagementTestJSON, cls).resource_setup()
-        body = cls.admin_client.list_agents()
+        body = cls.admin_agents_client.list_agents()
         agents = body['agents']
         cls.agent = agents[0]
 
     @test.idempotent_id('9c80f04d-11f3-44a4-8738-ed2f879b0ff4')
     def test_list_agent(self):
-        body = self.admin_client.list_agents()
+        body = self.admin_agents_client.list_agents()
         agents = body['agents']
         # Hearthbeats must be excluded from comparison
         self.agent.pop('heartbeat_timestamp', None)
@@ -47,12 +47,12 @@
 
     @test.idempotent_id('e335be47-b9a1-46fd-be30-0874c0b751e6')
     def test_list_agents_non_admin(self):
-        body = self.client.list_agents()
+        body = self.agents_client.list_agents()
         self.assertEqual(len(body["agents"]), 0)
 
     @test.idempotent_id('869bc8e8-0fda-4a30-9b71-f8a7cf58ca9f')
     def test_show_agent(self):
-        body = self.admin_client.show_agent(self.agent['id'])
+        body = self.admin_agents_client.show_agent(self.agent['id'])
         agent = body['agent']
         self.assertEqual(agent['id'], self.agent['id'])
 
@@ -62,8 +62,8 @@
         # Try to update the 'admin_state_up' to the original
         # one to avoid the negative effect.
         agent_status = {'admin_state_up': origin_status}
-        body = self.admin_client.update_agent(agent_id=self.agent['id'],
-                                              agent=agent_status)
+        body = self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                                     agent=agent_status)
         updated_status = body['agent']['admin_state_up']
         self.assertEqual(origin_status, updated_status)
 
@@ -72,8 +72,8 @@
         self.useFixture(fixtures.LockFixture('agent_description'))
         description = 'description for update agent.'
         agent_description = {'description': description}
-        body = self.admin_client.update_agent(agent_id=self.agent['id'],
-                                              agent=agent_description)
+        body = self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                                     agent=agent_description)
         self.addCleanup(self._restore_agent)
         updated_description = body['agent']['description']
         self.assertEqual(updated_description, description)
@@ -83,5 +83,5 @@
 
         description = self.agent['description'] or ''
         origin_agent = {'description': description}
-        self.admin_client.update_agent(agent_id=self.agent['id'],
-                                       agent=origin_agent)
+        self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                              agent=origin_agent)
diff --git a/tempest/api/network/admin/test_dhcp_agent_scheduler.py b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
index f186b36..5ff465b 100644
--- a/tempest/api/network/admin/test_dhcp_agent_scheduler.py
+++ b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
@@ -51,7 +51,7 @@
 
     def _check_network_in_dhcp_agent(self, network_id, agent):
         network_ids = []
-        body = self.admin_client.list_networks_hosted_by_one_dhcp_agent(
+        body = self.admin_agents_client.list_networks_hosted_by_one_dhcp_agent(
             agent['id'])
         networks = body['networks']
         for network in networks:
@@ -65,7 +65,7 @@
         self.ports.remove(self.port)
         agent = dict()
         agent['agent_type'] = None
-        body = self.admin_client.list_agents()
+        body = self.admin_agents_client.list_agents()
         agents = body['agents']
         for a in agents:
             if a['agent_type'] == 'DHCP agent':
@@ -84,14 +84,14 @@
             self._remove_network_from_dhcp_agent(network_id, agent)
 
     def _remove_network_from_dhcp_agent(self, network_id, agent):
-        self.admin_client.remove_network_from_dhcp_agent(
+        self.admin_agents_client.remove_network_from_dhcp_agent(
             agent_id=agent['id'],
             network_id=network_id)
         self.assertFalse(self._check_network_in_dhcp_agent(
             network_id, agent))
 
     def _add_dhcp_agent_to_network(self, network_id, agent):
-        self.admin_client.add_dhcp_agent_to_network(agent['id'],
-                                                    network_id=network_id)
+        self.admin_agents_client.add_dhcp_agent_to_network(
+            agent['id'], network_id=network_id)
         self.assertTrue(self._check_network_in_dhcp_agent(
             network_id, agent))
diff --git a/tempest/api/network/admin/test_l3_agent_scheduler.py b/tempest/api/network/admin/test_l3_agent_scheduler.py
index 36747a3..2e8fd50 100644
--- a/tempest/api/network/admin/test_l3_agent_scheduler.py
+++ b/tempest/api/network/admin/test_l3_agent_scheduler.py
@@ -51,7 +51,7 @@
     @classmethod
     def resource_setup(cls):
         super(L3AgentSchedulerTestJSON, cls).resource_setup()
-        body = cls.admin_client.list_agents()
+        body = cls.admin_agents_client.list_agents()
         agents = body['agents']
         for agent in agents:
             # TODO(armax): falling back on default _agent_mode can be
@@ -90,12 +90,12 @@
 
     @test.idempotent_id('b7ce6e89-e837-4ded-9b78-9ed3c9c6a45a')
     def test_list_routers_on_l3_agent(self):
-        self.admin_client.list_routers_on_l3_agent(self.agent['id'])
+        self.admin_agents_client.list_routers_on_l3_agent(self.agent['id'])
 
     @test.idempotent_id('9464e5e7-8625-49c3-8fd1-89c52be59d66')
     def test_add_list_remove_router_on_l3_agent(self):
         l3_agent_ids = list()
-        self.admin_client.add_router_to_l3_agent(
+        self.admin_agents_client.add_router_to_l3_agent(
             self.agent['id'],
             router_id=self.router['id'])
         body = (
@@ -105,7 +105,7 @@
             self.assertIn('agent_type', agent)
             self.assertEqual('L3 agent', agent['agent_type'])
         self.assertIn(self.agent['id'], l3_agent_ids)
-        body = self.admin_client.remove_router_from_l3_agent(
+        body = self.admin_agents_client.remove_router_from_l3_agent(
             self.agent['id'],
             self.router['id'])
         # NOTE(afazekas): The deletion not asserted, because neutron
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index e155bd0..2a1776a 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -71,7 +71,9 @@
     def setup_clients(cls):
         super(BaseNetworkTest, cls).setup_clients()
         cls.client = cls.os.network_client
+        cls.agents_client = cls.os.network_agents_client
         cls.networks_client = cls.os.networks_client
+        cls.subnetpools_client = cls.os.subnetpools_client
         cls.subnets_client = cls.os.subnets_client
         cls.ports_client = cls.os.ports_client
         cls.quotas_client = cls.os.network_quotas_client
@@ -273,6 +275,7 @@
     def setup_clients(cls):
         super(BaseAdminNetworkTest, cls).setup_clients()
         cls.admin_client = cls.os_adm.network_client
+        cls.admin_agents_client = cls.os_adm.network_agents_client
         cls.admin_networks_client = cls.os_adm.networks_client
         cls.admin_subnets_client = cls.os_adm.subnets_client
         cls.admin_ports_client = cls.os_adm.ports_client
diff --git a/tempest/api/network/test_subnetpools_extensions.py b/tempest/api/network/test_subnetpools_extensions.py
index 8a61ff8..29d1d89 100644
--- a/tempest/api/network/test_subnetpools_extensions.py
+++ b/tempest/api/network/test_subnetpools_extensions.py
@@ -50,27 +50,28 @@
         subnetpool_name = data_utils.rand_name('subnetpools')
         # create subnet pool
         prefix = CONF.network.default_network
-        body = self.client.create_subnetpools(name=subnetpool_name,
-                                              prefixes=prefix)
+        body = self.subnetpools_client.create_subnetpools(name=subnetpool_name,
+                                                          prefixes=prefix)
         subnetpool_id = body["subnetpool"]["id"]
         self.addCleanup(self._cleanup_subnetpools, subnetpool_id)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # get detail about subnet pool
-        body = self.client.show_subnetpools(subnetpool_id)
+        body = self.subnetpools_client.show_subnetpools(subnetpool_id)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # update the subnet pool
         subnetpool_name = data_utils.rand_name('subnetpools_update')
-        body = self.client.update_subnetpools(subnetpool_id,
-                                              name=subnetpool_name)
+        body = self.subnetpools_client.update_subnetpools(subnetpool_id,
+                                                          name=subnetpool_name)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # delete subnet pool
-        body = self.client.delete_subnetpools(subnetpool_id)
-        self.assertRaises(lib_exc.NotFound, self.client.show_subnetpools,
+        body = self.subnetpools_client.delete_subnetpools(subnetpool_id)
+        self.assertRaises(lib_exc.NotFound,
+                          self.subnetpools_client.show_subnetpools,
                           subnetpool_id)
 
     def _cleanup_subnetpools(self, subnetpool_id):
         # this is used to cleanup the resources
         try:
-            self.client.delete_subnetpools(subnetpool_id)
+            self.subnetpools_client.delete_subnetpools(subnetpool_id)
         except lib_exc.NotFound:
             pass
diff --git a/tempest/clients.py b/tempest/clients.py
index bbdab67..772ddfc 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -109,6 +109,8 @@
 from tempest.services.image.v2.json.images_client import ImagesClientV2
 from tempest.services.messaging.json.messaging_client import \
     MessagingClient
+from tempest.services.network.json.agents_client import AgentsClient \
+    as NetworkAgentsClient
 from tempest.services.network.json.floating_ips_client import FloatingIPsClient
 from tempest.services.network.json.metering_label_rules_client import \
     MeteringLabelRulesClient
@@ -121,6 +123,7 @@
     as NetworkQuotasClient
 from tempest.services.network.json.security_groups_client import \
     SecurityGroupsClient
+from tempest.services.network.json.subnetpools_client import SubnetpoolsClient
 from tempest.services.network.json.subnets_client import SubnetsClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
@@ -189,9 +192,30 @@
     }
     default_params_with_timeout_values.update(default_params)
 
-    def __init__(self, credentials, service=None):
-        super(Manager, self).__init__(credentials=credentials)
+    def __init__(self, credentials, service=None, api_microversions=None):
+        """Initialization of Manager class.
 
+        Setup all services clients and make them available for tests cases.
+        :param credentials: type Credentials or TestResources
+        :param service: Service name
+        :param api_microversions: This is dict of services catalog type
+               and their microversion which will be set on respective
+               services clients.
+               {<service catalog type>: request_microversion}
+               Example :
+                {'compute': request_microversion}
+                    - request_microversion will be set on all compute
+                      service clients.
+                OR
+                {'compute': request_microversion,
+                 'volume': request_microversion}
+                    - request_microversion of compute will be set on all
+                      compute service clients.
+                    - request_microversion of volume will be set on all
+                      volume service clients.
+        """
+        super(Manager, self).__init__(credentials=credentials)
+        self.api_microversions = api_microversions or {}
         self._set_compute_clients()
         self._set_database_clients()
         self._set_identity_clients()
@@ -204,6 +228,14 @@
             CONF.identity.region,
             endpoint_type=CONF.baremetal.endpoint_type,
             **self.default_params_with_timeout_values)
+        self.network_agents_client = NetworkAgentsClient(
+            self.auth_provider,
+            CONF.network.catalog_type,
+            CONF.network.region or CONF.identity.region,
+            endpoint_type=CONF.network.endpoint_type,
+            build_interval=CONF.network.build_interval,
+            build_timeout=CONF.network.build_timeout,
+            **self.default_params)
         self.network_client = NetworkClient(
             self.auth_provider,
             CONF.network.catalog_type,
@@ -220,6 +252,14 @@
             build_interval=CONF.network.build_interval,
             build_timeout=CONF.network.build_timeout,
             **self.default_params)
+        self.subnetpools_client = SubnetpoolsClient(
+            self.auth_provider,
+            CONF.network.catalog_type,
+            CONF.network.region or CONF.identity.region,
+            endpoint_type=CONF.network.endpoint_type,
+            build_interval=CONF.network.build_interval,
+            build_timeout=CONF.network.build_timeout,
+            **self.default_params)
         self.subnets_client = SubnetsClient(
             self.auth_provider,
             CONF.network.catalog_type,
@@ -329,6 +369,8 @@
         self.negative_client = negative_rest_client.NegativeRestClient(
             self.auth_provider, service, **self.default_params)
 
+        self._set_api_microversions()
+
     def _set_compute_clients(self):
         params = {
             'service': CONF.compute.catalog_type,
@@ -547,3 +589,15 @@
         self.account_client = AccountClient(self.auth_provider, **params)
         self.container_client = ContainerClient(self.auth_provider, **params)
         self.object_client = ObjectClient(self.auth_provider, **params)
+
+    def _set_api_microversions(self):
+        service_clients = [x for x in self.__dict__ if x.endswith('_client')]
+        for client in service_clients:
+            client_obj = getattr(self, client)
+            microversion = self.api_microversions.get(client_obj.service)
+            if microversion:
+                if hasattr(client_obj, 'set_api_microversion'):
+                    client_obj.set_api_microversion(microversion)
+                else:
+                    LOG.debug("Need to implement set_api_microversion on %s"
+                              % client)
diff --git a/tempest/common/api_version_utils.py b/tempest/common/api_version_utils.py
index c499f23..6b6364e 100644
--- a/tempest/common/api_version_utils.py
+++ b/tempest/common/api_version_utils.py
@@ -62,3 +62,10 @@
                   config_min_version.get_string(),
                   config_max_version.get_string()))
         raise testtools.TestCase.skipException(msg)
+
+
+def select_request_microversion(test_min_version, cfg_min_version):
+    test_version = api_version_request.APIVersionRequest(test_min_version)
+    cfg_version = api_version_request.APIVersionRequest(cfg_min_version)
+    max_version = cfg_version if cfg_version >= test_version else test_version
+    return max_version.get_string()
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 533fda9..e5e0d16 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -729,7 +729,7 @@
 
     def _list_agents(self, *args, **kwargs):
         """List agents using admin creds """
-        agents_list = self.admin_manager.network_client.list_agents(
+        agents_list = self.admin_manager.network_agents_client.list_agents(
             *args, **kwargs)
         return agents_list['agents']
 
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 44942b0..b8bec16 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -683,9 +683,9 @@
 
         list_hosts = (self.admin_manager.network_client.
                       list_l3_agents_hosting_router)
-        schedule_router = (self.admin_manager.network_client.
+        schedule_router = (self.admin_manager.network_agents_client.
                            add_router_to_l3_agent)
-        unschedule_router = (self.admin_manager.network_client.
+        unschedule_router = (self.admin_manager.network_agents_client.
                              remove_router_from_l3_agent)
 
         agent_list = set(a["id"] for a in
diff --git a/tempest/services/network/json/agents_client.py b/tempest/services/network/json/agents_client.py
new file mode 100644
index 0000000..07f93b2
--- /dev/null
+++ b/tempest/services/network/json/agents_client.py
@@ -0,0 +1,68 @@
+# Copyright 2015 NEC Corporation.  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.services.network.json import base
+
+
+class AgentsClient(base.BaseNetworkClient):
+
+    def update_agent(self, agent_id, **kwargs):
+        """Update agent."""
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
+        uri = '/agents/%s' % agent_id
+        return self.update_resource(uri, kwargs)
+
+    def show_agent(self, agent_id, **fields):
+        uri = '/agents/%s' % agent_id
+        return self.show_resource(uri, **fields)
+
+    def list_agents(self, **filters):
+        uri = '/agents'
+        return self.list_resources(uri, **filters)
+
+    def list_routers_on_l3_agent(self, agent_id):
+        uri = '/agents/%s/l3-routers' % agent_id
+        return self.list_resources(uri)
+
+    def add_router_to_l3_agent(self, agent_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
+        uri = '/agents/%s/l3-routers' % agent_id
+        return self.create_resource(uri, kwargs)
+
+    def remove_router_from_l3_agent(self, agent_id, router_id):
+        uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
+        return self.delete_resource(uri)
+
+    def list_networks_hosted_by_one_dhcp_agent(self, agent_id):
+        uri = '/agents/%s/dhcp-networks' % agent_id
+        return self.list_resources(uri)
+
+    def remove_network_from_dhcp_agent(self, agent_id, network_id):
+        uri = '/agents/%s/dhcp-networks/%s' % (agent_id,
+                                               network_id)
+        return self.delete_resource(uri)
+
+    def add_dhcp_agent_to_network(self, agent_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
+        uri = '/agents/%s/dhcp-networks' % agent_id
+        return self.create_resource(uri, kwargs)
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index 24a95e0..e8e21d2 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -229,60 +229,14 @@
         uri = '/ports?device_id=%s' % uuid
         return self.list_resources(uri)
 
-    def update_agent(self, agent_id, **kwargs):
-        """Update agent
-
-        :param agent_info: Agent update information.
-        E.g {"admin_state_up": True}
-        """
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
-        uri = '/agents/%s' % agent_id
-        return self.update_resource(uri, kwargs)
-
-    def show_agent(self, agent_id, **fields):
-        uri = '/agents/%s' % agent_id
-        return self.show_resource(uri, **fields)
-
-    def list_agents(self, **filters):
-        uri = '/agents'
-        return self.list_resources(uri, **filters)
-
-    def list_routers_on_l3_agent(self, agent_id):
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.list_resources(uri)
-
     def list_l3_agents_hosting_router(self, router_id):
         uri = '/routers/%s/l3-agents' % router_id
         return self.list_resources(uri)
 
-    def add_router_to_l3_agent(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.create_resource(uri, kwargs)
-
-    def remove_router_from_l3_agent(self, agent_id, router_id):
-        uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
-        return self.delete_resource(uri)
-
     def list_dhcp_agent_hosting_network(self, network_id):
         uri = '/networks/%s/dhcp-agents' % network_id
         return self.list_resources(uri)
 
-    def list_networks_hosted_by_one_dhcp_agent(self, agent_id):
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.list_resources(uri)
-
-    def remove_network_from_dhcp_agent(self, agent_id, network_id):
-        uri = '/agents/%s/dhcp-networks/%s' % (agent_id,
-                                               network_id)
-        return self.delete_resource(uri)
-
     def update_extra_routes(self, router_id, **kwargs):
         """Update Extra routes.
 
@@ -301,33 +255,3 @@
             }
         }
         return self.update_resource(uri, put_body)
-
-    def add_dhcp_agent_to_network(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.create_resource(uri, kwargs)
-
-    def list_subnetpools(self, **filters):
-        uri = '/subnetpools'
-        return self.list_resources(uri, **filters)
-
-    def create_subnetpools(self, **kwargs):
-        uri = '/subnetpools'
-        post_data = {'subnetpool': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def show_subnetpools(self, subnetpool_id, **fields):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.show_resource(uri, **fields)
-
-    def update_subnetpools(self, subnetpool_id, **kwargs):
-        uri = '/subnetpools/%s' % subnetpool_id
-        post_data = {'subnetpool': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def delete_subnetpools(self, subnetpool_id):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.delete_resource(uri)
diff --git a/tempest/services/network/json/subnetpools_client.py b/tempest/services/network/json/subnetpools_client.py
new file mode 100644
index 0000000..b5aec47
--- /dev/null
+++ b/tempest/services/network/json/subnetpools_client.py
@@ -0,0 +1,40 @@
+# Copyright 2015 NEC Corporation.  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.services.network.json import base
+
+
+class SubnetpoolsClient(base.BaseNetworkClient):
+
+    def list_subnetpools(self, **filters):
+        uri = '/subnetpools'
+        return self.list_resources(uri, **filters)
+
+    def create_subnetpools(self, **kwargs):
+        uri = '/subnetpools'
+        post_data = {'subnetpool': kwargs}
+        return self.create_resource(uri, post_data)
+
+    def show_subnetpools(self, subnetpool_id, **fields):
+        uri = '/subnetpools/%s' % subnetpool_id
+        return self.show_resource(uri, **fields)
+
+    def update_subnetpools(self, subnetpool_id, **kwargs):
+        uri = '/subnetpools/%s' % subnetpool_id
+        post_data = {'subnetpool': kwargs}
+        return self.update_resource(uri, post_data)
+
+    def delete_subnetpools(self, subnetpool_id):
+        uri = '/subnetpools/%s' % subnetpool_id
+        return self.delete_resource(uri)
diff --git a/tempest/test.py b/tempest/test.py
index 43cf9e8..aed438c 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -226,6 +226,7 @@
     # Resources required to validate a server using ssh
     validation_resources = {}
     network_resources = {}
+    services_microversion = {}
 
     # NOTE(sdague): log_format is defined inline here instead of using the oslo
     # default because going through the config path recouples config to the
@@ -515,7 +516,8 @@
             else:
                 raise exceptions.InvalidCredentials(
                     "Invalid credentials type %s" % credential_type)
-        return clients.Manager(credentials=creds, service=cls._service)
+        return clients.Manager(credentials=creds, service=cls._service,
+                               api_microversions=cls.services_microversion)
 
     @classmethod
     def clear_credentials(cls):
@@ -602,7 +604,8 @@
                 credentials.is_admin_available(
                     identity_version=cls.get_identity_version())):
             admin_creds = cred_provider.get_admin_creds()
-            admin_manager = clients.Manager(admin_creds)
+            admin_manager = clients.Manager(
+                admin_creds, api_microversions=cls.services_microversion)
             networks_client = admin_manager.compute_networks_client
         return fixed_network.get_tenant_network(
             cred_provider, networks_client, CONF.compute.fixed_network_name)
diff --git a/tempest/tests/common/test_api_version_utils.py b/tempest/tests/common/test_api_version_utils.py
index 33024b6..9f399a2 100644
--- a/tempest/tests/common/test_api_version_utils.py
+++ b/tempest/tests/common/test_api_version_utils.py
@@ -192,3 +192,30 @@
     def test_cfg_version_min_greater_than_max(self):
         self.assertRaises(exceptions.InvalidConfiguration,
                           self._test_version, '2.2', '2.7', '2.9', '2.7')
+
+
+class TestSelectRequestMicroversion(base.TestCase):
+
+    def _test_request_version(self, test_min_version,
+                              cfg_min_version, expected_version):
+        selected_version = api_version_utils.select_request_microversion(
+            test_min_version, cfg_min_version)
+        self.assertEqual(expected_version, selected_version)
+
+    def test_cfg_min_version_greater(self):
+        self._test_request_version('2.1', '2.3', expected_version='2.3')
+
+    def test_class_min_version_greater(self):
+        self._test_request_version('2.5', '2.3', expected_version='2.5')
+
+    def test_cfg_min_version_none(self):
+        self._test_request_version('2.5', None, expected_version='2.5')
+
+    def test_class_min_version_none(self):
+        self._test_request_version(None, '2.3', expected_version='2.3')
+
+    def test_both_min_version_none(self):
+        self._test_request_version(None, None, expected_version=None)
+
+    def test_both_min_version_equal(self):
+        self._test_request_version('2.3', '2.3', expected_version='2.3')