build: remove unnecessary executable bits
[vpp.git] / test / test_vcl.py
index c02f13f..50d36d5 100644 (file)
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """ Vpp VCL tests """
 
 import unittest
 import os
 import subprocess
 import signal
+import glob
 from framework import VppTestCase, VppTestRunner, running_extended_tests, \
     Worker
-from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath, DpoProto
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath, FibPathProto
+
+iperf3 = '/usr/bin/iperf3'
+
+
+def have_app(app):
+    try:
+        subprocess.check_output([app, '-v'])
+    except (subprocess.CalledProcessError, OSError):
+        return False
+    return True
+
+
+_have_iperf3 = have_app(iperf3)
 
 
 class VCLAppWorker(Worker):
     """ VCL Test Application Worker """
 
-    def __init__(self, build_dir, appname, args, logger, env={}):
-        vcl_lib_dir = "%s/vpp/.libs" % build_dir
+    libname = "libvcl_ldpreload.so"
+
+    class LibraryNotFound(Exception):
+        pass
+
+    def __init__(self, build_dir, appname, executable_args, logger, env=None,
+                 role=None, *args, **kwargs):
+        self.role = role
+        vpp_install_path = os.getenv('VPP_INSTALL_PATH')
+
+        vcl_ldpreload_glob = "{}/**/{}".format(vpp_install_path, self.libname)
+        vcl_ldpreload_so = glob.glob(vcl_ldpreload_glob, recursive=True)
+
+        if len(vcl_ldpreload_so) < 1:
+            raise LibraryNotFound("cannot locate library: {}".format(
+                self.libname))
+
+        vcl_ldpreload_so = vcl_ldpreload_so[0]
+
+        if env is None:
+            env = {}
         if "iperf" in appname:
             app = appname
-            env.update({'LD_PRELOAD':
-                        "%s/libvcl_ldpreload.so.0.0.0" % vcl_lib_dir})
+            env.update({'LD_PRELOAD': vcl_ldpreload_so})
+        elif "sock" in appname:
+            app = "%s/vpp/bin/%s" % (build_dir, appname)
+            env.update({'LD_PRELOAD': vcl_ldpreload_so})
         else:
-            app = "%s/%s" % (vcl_lib_dir, appname)
-            if not os.path.isfile(app):
-                app = "%s/vpp/%s" % (build_dir, appname)
-                env.update({'LD_PRELOAD':
-                            "%s/libvcl_ldpreload.so.0.0.0" % vcl_lib_dir})
-        self.args = [app] + args
-        super(VCLAppWorker, self).__init__(self.args, logger, env)
+            app = "%s/vpp/bin/%s" % (build_dir, appname)
+        self.args = [app] + executable_args
+        super(VCLAppWorker, self).__init__(self.args, logger, env,
+                                           *args, **kwargs)
 
 
 class VCLTestCase(VppTestCase):
     """ VCL Test Class """
+    session_startup = ["poll-main"]
+
+    @classmethod
+    def setUpClass(cls):
+        if cls.session_startup:
+            conf = "session {" + " ".join(cls.session_startup) + "}"
+            cls.extra_vpp_punt_config = [conf]
+        super(VCLTestCase, cls).setUpClass()
 
-    def __init__(self, methodName):
-        var = "VPP_TEST_BUILD_DIR"
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLTestCase, cls).tearDownClass()
+
+    def setUp(self):
+        var = "VPP_BUILD_DIR"
         self.build_dir = os.getenv(var, None)
         if self.build_dir is None:
-            raise Exception("Environment variable `%s' not set" % var)
+            raise EnvironmentError("Environment variable `%s' not set" % var)
         self.vppDebug = 'vpp_debug' in self.build_dir
         self.server_addr = "127.0.0.1"
         self.server_port = "22000"
         self.server_args = [self.server_port]
         self.server_ipv6_addr = "::1"
         self.server_ipv6_args = ["-6", self.server_port]
-        self.timeout = 3
+        self.timeout = 20
         self.echo_phrase = "Hello, world! Jenny is a friend of mine."
+        self.pre_test_sleep = 0.3
+        self.post_test_sleep = 0.2
+        self.sapi_client_sock = ""
+        self.sapi_server_sock = ""
 
-        super(VCLTestCase, self).__init__(methodName)
+        if os.path.isfile("/tmp/ldp_server_af_unix_socket"):
+            os.remove("/tmp/ldp_server_af_unix_socket")
+
+        super(VCLTestCase, self).setUp()
+
+    def update_vcl_app_env(self, ns_id, ns_secret, attach_sock):
+        if not ns_id:
+            if 'VCL_APP_NAMESPACE_ID' in self.vcl_app_env:
+                del self.vcl_app_env['VCL_APP_NAMESPACE_ID']
+        else:
+            self.vcl_app_env['VCL_APP_NAMESPACE_ID'] = ns_id
+
+        if not ns_secret:
+            if 'VCL_APP_NAMESPACE_SECRET' in self.vcl_app_env:
+                del self.vcl_app_env['VCL_APP_NAMESPACE_SECRET']
+        else:
+            self.vcl_app_env['VCL_APP_NAMESPACE_SECRET'] = ns_secret
+
+        if not attach_sock:
+            self.vcl_app_env['VCL_VPP_API_SOCKET'] = self.get_api_sock_path()
+            if 'VCL_VPP_SAPI_SOCKET' in self.vcl_app_env:
+                del self.vcl_app_env['VCL_VPP_SAPI_SOCKET']
+        else:
+            sapi_sock = "%s/app_ns_sockets/%s" % (self.tempdir, attach_sock)
+            self.vcl_app_env['VCL_VPP_SAPI_SOCKET'] = sapi_sock
+            if 'VCL_VPP_API_SOCKET' in self.vcl_app_env:
+                del self.vcl_app_env['VCL_VPP_API_SOCKET']
 
     def cut_thru_setup(self):
-        self.vapi.session_enable_disable(is_enabled=1)
+        self.vapi.session_enable_disable(is_enable=1)
 
     def cut_thru_tear_down(self):
-        self.vapi.session_enable_disable(is_enabled=0)
+        self.vapi.session_enable_disable(is_enable=0)
 
     def cut_thru_test(self, server_app, server_args, client_app, client_args):
-        self.env = {'VCL_API_PREFIX': self.shm_prefix,
-                    'VCL_APP_SCOPE_LOCAL': "true"}
+        self.vcl_app_env = {'VCL_APP_SCOPE_LOCAL': "true"}
 
+        self.update_vcl_app_env("", "", self.sapi_server_sock)
         worker_server = VCLAppWorker(self.build_dir, server_app, server_args,
-                                     self.logger, self.env)
+                                     self.logger, self.vcl_app_env, "server")
         worker_server.start()
-        self.sleep(0.2)
+        self.sleep(self.pre_test_sleep)
+
+        self.update_vcl_app_env("", "", self.sapi_client_sock)
         worker_client = VCLAppWorker(self.build_dir, client_app, client_args,
-                                     self.logger, self.env)
+                                     self.logger, self.vcl_app_env, "client")
         worker_client.start()
         worker_client.join(self.timeout)
         try:
             self.validateResults(worker_client, worker_server, self.timeout)
-        except Exception, error:
+        except Exception as error:
             self.fail("Failed with %s" % error)
+        self.sleep(self.post_test_sleep)
 
     def thru_host_stack_setup(self):
-        self.vapi.session_enable_disable(is_enabled=1)
-        self.create_loopback_interfaces(range(2))
+        self.vapi.session_enable_disable(is_enable=1)
+        self.create_loopback_interfaces(2)
 
         table_id = 1
 
@@ -89,10 +166,10 @@ class VCLTestCase(VppTestCase):
             table_id += 1
 
         # Configure namespaces
-        self.vapi.app_namespace_add(namespace_id="1", secret=1234,
-                                    sw_if_index=self.loop0.sw_if_index)
-        self.vapi.app_namespace_add(namespace_id="2", secret=5678,
-                                    sw_if_index=self.loop1.sw_if_index)
+        self.vapi.app_namespace_add_del(namespace_id="1", secret=1234,
+                                        sw_if_index=self.loop0.sw_if_index)
+        self.vapi.app_namespace_add_del(namespace_id="2", secret=5678,
+                                        sw_if_index=self.loop1.sw_if_index)
 
         # Add inter-table routes
         ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
@@ -113,11 +190,9 @@ class VCLTestCase(VppTestCase):
             i.set_table_ip4(0)
             i.admin_down()
 
-        self.vapi.session_enable_disable(is_enabled=0)
-
     def thru_host_stack_ipv6_setup(self):
-        self.vapi.session_enable_disable(is_enabled=1)
-        self.create_loopback_interfaces(range(2))
+        self.vapi.session_enable_disable(is_enable=1)
+        self.create_loopback_interfaces(2)
 
         table_id = 1
 
@@ -132,22 +207,20 @@ class VCLTestCase(VppTestCase):
             table_id += 1
 
         # Configure namespaces
-        self.vapi.app_namespace_add(namespace_id="1", secret=1234,
-                                    sw_if_index=self.loop0.sw_if_index)
-        self.vapi.app_namespace_add(namespace_id="2", secret=5678,
-                                    sw_if_index=self.loop1.sw_if_index)
+        self.vapi.app_namespace_add_del(namespace_id="1", secret=1234,
+                                        sw_if_index=self.loop0.sw_if_index)
+        self.vapi.app_namespace_add_del(namespace_id="2", secret=5678,
+                                        sw_if_index=self.loop1.sw_if_index)
 
         # Add inter-table routes
         ip_t01 = VppIpRoute(self, self.loop1.local_ip6, 128,
                             [VppRoutePath("::0", 0xffffffff,
-                                          nh_table_id=2,
-                                          proto=DpoProto.DPO_PROTO_IP6)],
-                            table_id=1, is_ip6=1)
+                                          nh_table_id=2)],
+                            table_id=1)
         ip_t10 = VppIpRoute(self, self.loop0.local_ip6, 128,
                             [VppRoutePath("::0", 0xffffffff,
-                                          nh_table_id=1,
-                                          proto=DpoProto.DPO_PROTO_IP6)],
-                            table_id=2, is_ip6=1)
+                                          nh_table_id=1)],
+                            table_id=2)
         ip_t01.add_vpp_config()
         ip_t10.add_vpp_config()
         self.logger.debug(self.vapi.cli("show interface addr"))
@@ -159,33 +232,34 @@ class VCLTestCase(VppTestCase):
             i.set_table_ip6(0)
             i.admin_down()
 
-        self.vapi.session_enable_disable(is_enabled=0)
+        self.vapi.session_enable_disable(is_enable=0)
 
+    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
     def thru_host_stack_test(self, server_app, server_args,
                              client_app, client_args):
-        self.env = {'VCL_API_PREFIX': self.shm_prefix,
-                    'VCL_APP_SCOPE_GLOBAL': "true",
-                    'VCL_APP_NAMESPACE_ID': "1",
-                    'VCL_APP_NAMESPACE_SECRET': "1234"}
+        self.vcl_app_env = {'VCL_APP_SCOPE_GLOBAL': "true"}
 
+        self.update_vcl_app_env("1", "1234", self.sapi_server_sock)
         worker_server = VCLAppWorker(self.build_dir, server_app, server_args,
-                                     self.logger, self.env)
+                                     self.logger, self.vcl_app_env, "server")
         worker_server.start()
-        self.sleep(0.2)
+        self.sleep(self.pre_test_sleep)
 
-        self.env.update({'VCL_APP_NAMESPACE_ID': "2",
-                         'VCL_APP_NAMESPACE_SECRET': "5678"})
+        self.update_vcl_app_env("2", "5678", self.sapi_client_sock)
         worker_client = VCLAppWorker(self.build_dir, client_app, client_args,
-                                     self.logger, self.env)
+                                     self.logger, self.vcl_app_env, "client")
         worker_client.start()
         worker_client.join(self.timeout)
 
         try:
             self.validateResults(worker_client, worker_server, self.timeout)
-        except Exception, error:
+        except Exception as error:
             self.fail("Failed with %s" % error)
+        self.sleep(self.post_test_sleep)
 
     def validateResults(self, worker_client, worker_server, timeout):
+        if worker_server.process is None:
+            raise RuntimeError('worker_server is not running.')
         if os.path.isdir('/proc/{}'.format(worker_server.process.pid)):
             self.logger.info("Killing server worker process (pid %d)" %
                              worker_server.process.pid)
@@ -200,65 +274,76 @@ class VCLTestCase(VppTestCase):
                     "Timeout: %ss! Killing client worker process (pid %d)" %
                     (timeout, worker_client.process.pid))
                 os.killpg(os.getpgid(worker_client.process.pid),
-                          signal.SIGTERM)
+                          signal.SIGKILL)
                 worker_client.join()
-            except:
+            except OSError:
                 self.logger.debug(
                     "Couldn't kill client worker process")
                 raise
         if error:
-            raise Exception(
+            raise RuntimeError(
                 "Timeout! Client worker did not finish in %ss" % timeout)
         self.assert_equal(worker_client.result, 0, "Binary test return code")
 
 
-class VCLCutThruTestCase(VCLTestCase):
-    """ VCL Cut Thru Tests """
+class LDPCutThruTestCase(VCLTestCase):
+    """ LDP Cut Thru Tests """
+
+    @classmethod
+    def setUpClass(cls):
+        cls.session_startup = ["poll-main", "use-app-socket-api"]
+        super(LDPCutThruTestCase, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPCutThruTestCase, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLCutThruTestCase, self).setUp()
+        super(LDPCutThruTestCase, self).setUp()
 
         self.cut_thru_setup()
         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
                                       self.server_addr, self.server_port]
         self.client_iperf3_timeout = 20
-        self.client_iperf3_args = ["-V4d", "-c", self.server_addr]
-        self.server_iperf3_args = ["-V4d", "-s"]
-        self.client_uni_dir_nsock_timeout = 60
-        self.client_uni_dir_nsock_test_args = ["-I", "5", "-U", "-X",
+        self.client_iperf3_args = ["-4", "-t 2", "-c", self.server_addr]
+        self.server_iperf3_args = ["-4", "-s"]
+        self.client_uni_dir_nsock_timeout = 20
+        self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                               "-I", "2",
                                                self.server_addr,
                                                self.server_port]
-        self.client_bi_dir_nsock_timeout = 120
-        self.client_bi_dir_nsock_test_args = ["-I", "2", "-B", "-X",
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                              "-I", "2",
                                               self.server_addr,
                                               self.server_port]
+        self.sapi_client_sock = "default"
+        self.sapi_server_sock = "default"
 
     def tearDown(self):
+        super(LDPCutThruTestCase, self).tearDown()
         self.cut_thru_tear_down()
 
-        super(VCLCutThruTestCase, self).tearDown()
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_ldp_cut_thru_echo(self):
         """ run LDP cut thru echo test """
 
         self.cut_thru_test("sock_test_server", self.server_args,
                            "sock_test_client", self.client_echo_test_args)
 
+    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
     def test_ldp_cut_thru_iperf3(self):
         """ run LDP cut thru iperf3 test """
 
-        try:
-            subprocess.check_output(['iperf3', '-v'])
-        except:
-            self.logger.error("WARNING: 'iperf3' is not installed,")
-            self.logger.error("         'test_ldp_cut_thru_iperf3' not run!")
-            return
-
         self.timeout = self.client_iperf3_timeout
-        self.cut_thru_test("iperf3", self.server_iperf3_args,
-                           "iperf3", self.client_iperf3_args)
+        self.cut_thru_test(iperf3, self.server_iperf3_args,
+                           iperf3, self.client_iperf3_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_ldp_cut_thru_uni_dir_nsock(self):
         """ run LDP cut thru uni-directional (multiple sockets) test """
 
@@ -267,7 +352,8 @@ class VCLCutThruTestCase(VCLTestCase):
                            "sock_test_client",
                            self.client_uni_dir_nsock_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
+    @unittest.skip("sock test apps need to be improved")
     def test_ldp_cut_thru_bi_dir_nsock(self):
         """ run LDP cut thru bi-directional (multiple sockets) test """
 
@@ -276,13 +362,49 @@ class VCLCutThruTestCase(VCLTestCase):
                            "sock_test_client",
                            self.client_bi_dir_nsock_test_args)
 
+
+class VCLCutThruTestCase(VCLTestCase):
+    """ VCL Cut Thru Tests """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLCutThruTestCase, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLCutThruTestCase, cls).tearDownClass()
+
+    def setUp(self):
+        super(VCLCutThruTestCase, self).setUp()
+
+        self.cut_thru_setup()
+        self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
+                                      self.server_addr, self.server_port]
+
+        self.client_uni_dir_nsock_timeout = 20
+        self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                               "-I", "2",
+                                               self.server_addr,
+                                               self.server_port]
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                              "-I", "2",
+                                              self.server_addr,
+                                              self.server_port]
+
+    def tearDown(self):
+        super(VCLCutThruTestCase, self).tearDown()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
     def test_vcl_cut_thru_echo(self):
         """ run VCL cut thru echo test """
 
         self.cut_thru_test("vcl_test_server", self.server_args,
                            "vcl_test_client", self.client_echo_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_vcl_cut_thru_uni_dir_nsock(self):
         """ run VCL cut thru uni-directional (multiple sockets) test """
 
@@ -291,7 +413,6 @@ class VCLCutThruTestCase(VCLTestCase):
                            "vcl_test_client",
                            self.client_uni_dir_nsock_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_vcl_cut_thru_bi_dir_nsock(self):
         """ run VCL cut thru bi-directional (multiple sockets) test """
 
@@ -301,71 +422,196 @@ class VCLCutThruTestCase(VCLTestCase):
                            self.client_bi_dir_nsock_test_args)
 
 
-class VCLThruHostStackTestCase(VCLTestCase):
-    """ VCL Thru Host Stack Tests """
+class VCLThruHostStackEcho(VCLTestCase):
+    """ VCL Thru Host Stack Echo """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLThruHostStackEcho, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackEcho, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackTestCase, self).setUp()
+        super(VCLThruHostStackEcho, self).setUp()
 
         self.thru_host_stack_setup()
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                              "-I", "2",
+                                              self.loop0.local_ip4,
+                                              self.server_port]
         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
                                       self.loop0.local_ip4,
                                       self.server_port]
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(VCLThruHostStackEcho, self).tearDown()
 
-        super(VCLThruHostStackTestCase, self).tearDown()
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show app server"))
+        self.logger.debug(self.vapi.cli("show session verbose"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_ldp_thru_host_stack_echo(self):
-        """ run LDP thru host stack echo test """
 
-        self.thru_host_stack_test("sock_test_server", self.server_args,
-                                  "sock_test_client",
-                                  self.client_echo_test_args)
-        # TBD: Remove these when VPP thru host teardown config bug is fixed.
-        self.thru_host_stack_test("vcl_test_server", self.server_args,
+class VCLThruHostStackTLS(VCLTestCase):
+    """ VCL Thru Host Stack TLS """
+
+    @classmethod
+    def setUpClass(cls):
+        cls.session_startup = ["poll-main", "use-app-socket-api"]
+        super(VCLThruHostStackTLS, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackTLS, cls).tearDownClass()
+
+    def setUp(self):
+        super(VCLThruHostStackTLS, self).setUp()
+
+        self.thru_host_stack_setup()
+        self.client_uni_dir_tls_timeout = 20
+        self.server_tls_args = ["-L", self.server_port]
+        self.client_uni_dir_tls_test_args = ["-N", "1000", "-U", "-X", "-L",
+                                             self.loop0.local_ip4,
+                                             self.server_port]
+        self.sapi_server_sock = "1"
+        self.sapi_client_sock = "2"
+
+    def test_vcl_thru_host_stack_tls_uni_dir(self):
+        """ run VCL thru host stack uni-directional TLS test """
+
+        self.timeout = self.client_uni_dir_tls_timeout
+        self.thru_host_stack_test("vcl_test_server", self.server_tls_args,
                                   "vcl_test_client",
-                                  self.client_echo_test_args)
+                                  self.client_uni_dir_tls_test_args)
+
+    def tearDown(self):
+        self.thru_host_stack_tear_down()
+        super(VCLThruHostStackTLS, self).tearDown()
 
-    def test_vcl_thru_host_stack_echo(self):
-        """ run VCL thru host stack echo test """
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show app server"))
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
-        # TBD: Enable this when VPP  thru host teardown config bug is fixed.
-        self.thru_host_stack_test("vcl_test_server", self.server_args,
+
+class VCLThruHostStackDTLS(VCLTestCase):
+    """ VCL Thru Host Stack DTLS """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLThruHostStackDTLS, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackDTLS, cls).tearDownClass()
+
+    def setUp(self):
+        super(VCLThruHostStackDTLS, self).setUp()
+
+        self.thru_host_stack_setup()
+        self.client_uni_dir_dtls_timeout = 20
+        self.server_dtls_args = ["-p", "dtls", self.server_port]
+        self.client_uni_dir_dtls_test_args = ["-N", "1000", "-U", "-X",
+                                              "-p", "dtls", "-T 1400",
+                                              self.loop0.local_ip4,
+                                              self.server_port]
+
+    def test_vcl_thru_host_stack_dtls_uni_dir(self):
+        """ run VCL thru host stack uni-directional DTLS test """
+
+        self.timeout = self.client_uni_dir_dtls_timeout
+        self.thru_host_stack_test("vcl_test_server", self.server_dtls_args,
                                   "vcl_test_client",
-                                  self.client_echo_test_args)
+                                  self.client_uni_dir_dtls_test_args)
 
-    # TBD: Remove VCLThruHostStackExtended*TestCase classes and move
-    #      tests here when VPP  thru host teardown/setup config bug
-    #      is fixed.
+    def tearDown(self):
+        self.thru_host_stack_tear_down()
+        super(VCLThruHostStackDTLS, self).tearDown()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show app server"))
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
+
+class VCLThruHostStackQUIC(VCLTestCase):
+    """ VCL Thru Host Stack QUIC """
 
+    @classmethod
+    def setUpClass(cls):
+        cls.extra_vpp_plugin_config.append("plugin quic_plugin.so { enable }")
+        super(VCLThruHostStackQUIC, cls).setUpClass()
 
-class VCLThruHostStackExtendedATestCase(VCLTestCase):
-    """ VCL Thru Host Stack Extended Tests """
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackQUIC, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackExtendedATestCase, self).setUp()
+        super(VCLThruHostStackQUIC, self).setUp()
 
         self.thru_host_stack_setup()
-        if self.vppDebug:
-            self.client_bi_dir_nsock_timeout = 120
-            self.client_bi_dir_nsock_test_args = ["-B", "-X",
-                                                  self.loop0.local_ip4,
-                                                  self.server_port]
-        else:
-            self.client_bi_dir_nsock_timeout = 90
-            self.client_bi_dir_nsock_test_args = ["-I", "2", "-B", "-X",
-                                                  self.loop0.local_ip4,
-                                                  self.server_port]
+        self.client_uni_dir_quic_timeout = 20
+        self.server_quic_args = ["-p", "quic", self.server_port]
+        self.client_uni_dir_quic_test_args = ["-N", "1000", "-U", "-X",
+                                              "-p", "quic",
+                                              self.loop0.local_ip4,
+                                              self.server_port]
+
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
+    def test_vcl_thru_host_stack_quic_uni_dir(self):
+        """ run VCL thru host stack uni-directional QUIC test """
+
+        self.timeout = self.client_uni_dir_quic_timeout
+        self.thru_host_stack_test("vcl_test_server", self.server_quic_args,
+                                  "vcl_test_client",
+                                  self.client_uni_dir_quic_test_args)
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(VCLThruHostStackQUIC, self).tearDown()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show app server"))
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
+
+class VCLThruHostStackBidirNsock(VCLTestCase):
+    """ VCL Thru Host Stack Bidir Nsock """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLThruHostStackBidirNsock, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackBidirNsock, cls).tearDownClass()
+
+    def setUp(self):
+        super(VCLThruHostStackBidirNsock, self).setUp()
 
-        super(VCLThruHostStackExtendedATestCase, self).tearDown()
+        self.thru_host_stack_setup()
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                              "-I", "2",
+                                              self.loop0.local_ip4,
+                                              self.server_port]
+        self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
+                                      self.loop0.local_ip4,
+                                      self.server_port]
+
+    def tearDown(self):
+        self.thru_host_stack_tear_down()
+        super(VCLThruHostStackBidirNsock, self).tearDown()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_vcl_thru_host_stack_bi_dir_nsock(self):
         """ run VCL thru host stack bi-directional (multiple sockets) test """
 
@@ -375,30 +621,39 @@ class VCLThruHostStackExtendedATestCase(VCLTestCase):
                                   self.client_bi_dir_nsock_test_args)
 
 
-class VCLThruHostStackExtendedBTestCase(VCLTestCase):
-    """ VCL Thru Host Stack Extended Tests """
+class LDPThruHostStackBidirNsock(VCLTestCase):
+    """ LDP Thru Host Stack Bidir Nsock """
+
+    @classmethod
+    def setUpClass(cls):
+        super(LDPThruHostStackBidirNsock, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPThruHostStackBidirNsock, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackExtendedBTestCase, self).setUp()
+        super(LDPThruHostStackBidirNsock, self).setUp()
 
         self.thru_host_stack_setup()
-        if self.vppDebug:
-            self.client_bi_dir_nsock_timeout = 120
-            self.client_bi_dir_nsock_test_args = ["-B", "-X",
-                                                  self.loop0.local_ip4,
-                                                  self.server_port]
-        else:
-            self.client_bi_dir_nsock_timeout = 60
-            self.client_bi_dir_nsock_test_args = ["-I", "2", "-B", "-X",
-                                                  self.loop0.local_ip4,
-                                                  self.server_port]
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                              # OUCH! Host Stack Bug?
+                                              # Only fails when running
+                                              # 'make test TEST_JOBS=auto'
+                                              # or TEST_JOBS > 1
+                                              # "-I", "2",
+                                              self.loop0.local_ip4,
+                                              self.server_port]
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(LDPThruHostStackBidirNsock, self).tearDown()
 
-        super(VCLThruHostStackExtendedBTestCase, self).tearDown()
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_ldp_thru_host_stack_bi_dir_nsock(self):
         """ run LDP thru host stack bi-directional (multiple sockets) test """
 
@@ -408,31 +663,37 @@ class VCLThruHostStackExtendedBTestCase(VCLTestCase):
                                   self.client_bi_dir_nsock_test_args)
 
 
-class VCLThruHostStackExtendedCTestCase(VCLTestCase):
-    """ VCL Thru Host Stack Extended Tests """
+class LDPThruHostStackNsock(VCLTestCase):
+    """ LDP Thru Host Stack Nsock """
+
+    @classmethod
+    def setUpClass(cls):
+        super(LDPThruHostStackNsock, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPThruHostStackNsock, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackExtendedCTestCase, self).setUp()
+        super(LDPThruHostStackNsock, self).setUp()
 
         self.thru_host_stack_setup()
         if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 120
+            self.client_uni_dir_nsock_timeout = 20
             self.numSockets = "2"
         else:
-            self.client_uni_dir_nsock_timeout = 120
+            self.client_uni_dir_nsock_timeout = 20
             self.numSockets = "5"
 
-        self.client_uni_dir_nsock_test_args = ["-I", self.numSockets,
-                                               "-U", "-X",
+        self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                               "-I", self.numSockets,
                                                self.loop0.local_ip4,
                                                self.server_port]
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(LDPThruHostStackNsock, self).tearDown()
 
-        super(VCLThruHostStackExtendedCTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_ldp_thru_host_stack_uni_dir_nsock(self):
         """ run LDP thru host stack uni-directional (multiple sockets) test """
 
@@ -442,31 +703,37 @@ class VCLThruHostStackExtendedCTestCase(VCLTestCase):
                                   self.client_uni_dir_nsock_test_args)
 
 
-class VCLThruHostStackExtendedDTestCase(VCLTestCase):
-    """ VCL Thru Host Stack Extended Tests """
+class VCLThruHostStackNsock(VCLTestCase):
+    """ VCL Thru Host Stack Nsock """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLThruHostStackNsock, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLThruHostStackNsock, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackExtendedDTestCase, self).setUp()
+        super(VCLThruHostStackNsock, self).setUp()
 
         self.thru_host_stack_setup()
         if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 120
+            self.client_uni_dir_nsock_timeout = 20
             self.numSockets = "2"
         else:
-            self.client_uni_dir_nsock_timeout = 120
+            self.client_uni_dir_nsock_timeout = 20
             self.numSockets = "5"
 
-        self.client_uni_dir_nsock_test_args = ["-I", self.numSockets,
-                                               "-U", "-X",
+        self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                               "-I", self.numSockets,
                                                self.loop0.local_ip4,
                                                self.server_port]
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(VCLThruHostStackNsock, self).tearDown()
 
-        super(VCLThruHostStackExtendedDTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
     def test_vcl_thru_host_stack_uni_dir_nsock(self):
         """ run VCL thru host stack uni-directional (multiple sockets) test """
 
@@ -476,67 +743,122 @@ class VCLThruHostStackExtendedDTestCase(VCLTestCase):
                                   self.client_uni_dir_nsock_test_args)
 
 
-class VCLThruHostStackIperfTestCase(VCLTestCase):
-    """ VCL Thru Host Stack Iperf Tests """
+class LDPThruHostStackIperf(VCLTestCase):
+    """ LDP Thru Host Stack Iperf  """
+
+    @classmethod
+    def setUpClass(cls):
+        super(LDPThruHostStackIperf, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPThruHostStackIperf, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLThruHostStackIperfTestCase, self).setUp()
+        super(LDPThruHostStackIperf, self).setUp()
 
         self.thru_host_stack_setup()
         self.client_iperf3_timeout = 20
-        self.client_iperf3_args = ["-V4d", "-c", self.loop0.local_ip4]
-        self.server_iperf3_args = ["-V4d", "-s"]
+        self.client_iperf3_args = ["-4", "-t 2", "-c", self.loop0.local_ip4]
+        self.server_iperf3_args = ["-4", "-s"]
 
     def tearDown(self):
         self.thru_host_stack_tear_down()
+        super(LDPThruHostStackIperf, self).tearDown()
 
-        super(VCLThruHostStackIperfTestCase, self).tearDown()
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
+    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
     def test_ldp_thru_host_stack_iperf3(self):
         """ run LDP thru host stack iperf3 test """
 
-        try:
-            subprocess.check_output(['iperf3', '-v'])
-        except:
-            self.logger.error("WARNING: 'iperf3' is not installed,")
-            self.logger.error(
-                "         'test_ldp_thru_host_stack_iperf3' not run!")
-            return
+        self.timeout = self.client_iperf3_timeout
+        self.thru_host_stack_test(iperf3, self.server_iperf3_args,
+                                  iperf3, self.client_iperf3_args)
+
+
+class LDPThruHostStackIperfUdp(VCLTestCase):
+    """ LDP Thru Host Stack Iperf UDP """
+
+    @classmethod
+    def setUpClass(cls):
+        super(LDPThruHostStackIperfUdp, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPThruHostStackIperfUdp, cls).tearDownClass()
+
+    def setUp(self):
+        super(LDPThruHostStackIperfUdp, self).setUp()
+
+        self.thru_host_stack_setup()
+        self.client_iperf3_timeout = 20
+        self.client_iperf3_args = ["-4", "-t 2", "-u", "-l 1400",
+                                   "-c", self.loop0.local_ip4]
+        self.server_iperf3_args = ["-4", "-s"]
+
+    def tearDown(self):
+        self.thru_host_stack_tear_down()
+        super(LDPThruHostStackIperfUdp, self).tearDown()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
+    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
+    def test_ldp_thru_host_stack_iperf3_udp(self):
+        """ run LDP thru host stack iperf3 UDP test """
 
         self.timeout = self.client_iperf3_timeout
-        self.thru_host_stack_test("iperf3", self.server_iperf3_args,
-                                  "iperf3", self.client_iperf3_args)
+        self.thru_host_stack_test(iperf3, self.server_iperf3_args,
+                                  iperf3, self.client_iperf3_args)
 
 
-class VCLIpv6CutThruTestCase(VCLTestCase):
-    """ VCL IPv6 Cut Thru Tests """
+class LDPIpv6CutThruTestCase(VCLTestCase):
+    """ LDP IPv6 Cut Thru Tests """
+
+    @classmethod
+    def setUpClass(cls):
+        super(LDPIpv6CutThruTestCase, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(LDPIpv6CutThruTestCase, cls).tearDownClass()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
 
     def setUp(self):
-        super(VCLIpv6CutThruTestCase, self).setUp()
+        super(LDPIpv6CutThruTestCase, self).setUp()
 
         self.cut_thru_setup()
         self.client_iperf3_timeout = 20
-        self.client_uni_dir_nsock_timeout = 60
-        self.client_bi_dir_nsock_timeout = 120
+        self.client_uni_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_timeout = 20
         self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
                                            self.server_ipv6_addr,
                                            self.server_port]
-        self.client_ipv6_iperf3_args = ["-V6d", "-c", self.server_ipv6_addr]
-        self.server_ipv6_iperf3_args = ["-V6d", "-s"]
-        self.client_ipv6_uni_dir_nsock_test_args = ["-6", "-I", "5",
-                                                    "-U", "-X",
+        self.client_ipv6_iperf3_args = ["-6", "-t 2", "-c",
+                                        self.server_ipv6_addr]
+        self.server_ipv6_iperf3_args = ["-6", "-s"]
+        self.client_ipv6_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                                    "-6",
+                                                    "-I", "2",
                                                     self.server_ipv6_addr,
                                                     self.server_port]
-        self.client_ipv6_bi_dir_nsock_test_args = ["-6", "-I", "2",
-                                                   "-B", "-X",
+        self.client_ipv6_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                                   "-6",
+                                                   "-I", "2",
                                                    self.server_ipv6_addr,
                                                    self.server_port]
 
     def tearDown(self):
+        super(LDPIpv6CutThruTestCase, self).tearDown()
         self.cut_thru_tear_down()
 
-        super(VCLIpv6CutThruTestCase, self).tearDown()
-
     def test_ldp_ipv6_cut_thru_echo(self):
         """ run LDP IPv6 cut thru echo test """
 
@@ -545,22 +867,16 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            "sock_test_client",
                            self.client_ipv6_echo_test_args)
 
+    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_ldp_ipv6_cut_thru_iperf3(self):
         """ run LDP IPv6 cut thru iperf3 test """
 
-        try:
-            subprocess.check_output(['iperf3', '-v'])
-        except:
-            self.logger.error("WARNING: 'iperf3' is not installed,")
-            self.logger.error(
-                "         'test_ldp_ipv6_cut_thru_iperf3' not run!")
-            return
-
         self.timeout = self.client_iperf3_timeout
-        self.cut_thru_test("iperf3", self.server_ipv6_iperf3_args,
-                           "iperf3", self.client_ipv6_iperf3_args)
+        self.cut_thru_test(iperf3, self.server_ipv6_iperf3_args,
+                           iperf3, self.client_ipv6_iperf3_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_ldp_ipv6_cut_thru_uni_dir_nsock(self):
         """ run LDP IPv6 cut thru uni-directional (multiple sockets) test """
 
@@ -569,7 +885,8 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            "sock_test_client",
                            self.client_ipv6_uni_dir_nsock_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
+    @unittest.skip("sock test apps need to be improved")
     def test_ldp_ipv6_cut_thru_bi_dir_nsock(self):
         """ run LDP IPv6 cut thru bi-directional (multiple sockets) test """
 
@@ -578,6 +895,50 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            "sock_test_client",
                            self.client_ipv6_bi_dir_nsock_test_args)
 
+
+class VCLIpv6CutThruTestCase(VCLTestCase):
+    """ VCL IPv6 Cut Thru Tests """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLIpv6CutThruTestCase, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLIpv6CutThruTestCase, cls).tearDownClass()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
+    def setUp(self):
+        super(VCLIpv6CutThruTestCase, self).setUp()
+
+        self.cut_thru_setup()
+        self.client_uni_dir_nsock_timeout = 20
+        self.client_bi_dir_nsock_timeout = 20
+        self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
+                                           self.server_ipv6_addr,
+                                           self.server_port]
+        self.client_ipv6_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
+                                                    "-6",
+                                                    "-I", "2",
+                                                    self.server_ipv6_addr,
+                                                    self.server_port]
+        self.client_ipv6_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
+                                                   "-6",
+                                                   "-I", "2",
+                                                   self.server_ipv6_addr,
+                                                   self.server_port]
+
+    def tearDown(self):
+        super(VCLIpv6CutThruTestCase, self).tearDown()
+        self.cut_thru_tear_down()
+
+    def show_commands_at_teardown(self):
+        self.logger.debug(self.vapi.cli("show session verbose 2"))
+        self.logger.debug(self.vapi.cli("show app mq"))
+
     def test_vcl_ipv6_cut_thru_echo(self):
         """ run VCL IPv6 cut thru echo test """
 
@@ -586,7 +947,7 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            "vcl_test_client",
                            self.client_ipv6_echo_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_vcl_ipv6_cut_thru_uni_dir_nsock(self):
         """ run VCL IPv6 cut thru uni-directional (multiple sockets) test """
 
@@ -595,7 +956,7 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            "vcl_test_client",
                            self.client_ipv6_uni_dir_nsock_test_args)
 
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+    @unittest.skipUnless(running_extended_tests, "part of extended tests")
     def test_vcl_ipv6_cut_thru_bi_dir_nsock(self):
         """ run VCL IPv6 cut thru bi-directional (multiple sockets) test """
 
@@ -605,11 +966,19 @@ class VCLIpv6CutThruTestCase(VCLTestCase):
                            self.client_ipv6_bi_dir_nsock_test_args)
 
 
-class VCLIpv6ThruHostStackTestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Tests """
+class VCLIpv6ThruHostStackEcho(VCLTestCase):
+    """ VCL IPv6 Thru Host Stack Echo """
+
+    @classmethod
+    def setUpClass(cls):
+        super(VCLIpv6ThruHostStackEcho, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(VCLIpv6ThruHostStackEcho, cls).tearDownClass()
 
     def setUp(self):
-        super(VCLIpv6ThruHostStackTestCase, self).setUp()
+        super(VCLIpv6ThruHostStackEcho, self).setUp()
 
         self.thru_host_stack_ipv6_setup()
         self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
@@ -618,204 +987,15 @@ class VCLIpv6ThruHostStackTestCase(VCLTestCase):
 
     def tearDown(self):
         self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_ldp_ipv6_thru_host_stack_echo(self):
-        """ run LDP IPv6 thru host stack echo test """
-
-        self.thru_host_stack_test("sock_test_server", self.server_ipv6_args,
-                                  "sock_test_client",
-                                  self.client_ipv6_echo_test_args)
-        # TBD: Remove these when VPP thru host teardown config bug is fixed.
-        self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
-                                  "vcl_test_client",
-                                  self.client_ipv6_echo_test_args)
+        super(VCLIpv6ThruHostStackEcho, self).tearDown()
 
     def test_vcl_ipv6_thru_host_stack_echo(self):
         """ run VCL IPv6 thru host stack echo test """
 
-        # TBD: Enable this when VPP IPv6 thru host teardown
-        # config bug is fixed.
-        # self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
-        #                          "vcl_test_client",
-        #                          self.client_ipv6_echo_test_args)
-
-    # TBD: Remove VCLIpv6ThruHostStackExtended*TestCase classes and move
-    #      tests here when VPP  thru host teardown/setup config bug
-    #      is fixed.
-
-
-class VCLIpv6ThruHostStackExtendedATestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Extended Tests """
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackExtendedATestCase, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        if self.vppDebug:
-            self.client_bi_dir_nsock_timeout = 120
-            self.client_ipv6_bi_dir_nsock_test_args = ["-6", "-B", "-X",
-                                                       self.loop0.local_ip6,
-                                                       self.server_port]
-        else:
-            self.client_bi_dir_nsock_timeout = 90
-            self.client_ipv6_bi_dir_nsock_test_args = ["-6", "-I",
-                                                       "2", "-B", "-X",
-                                                       self.loop0.local_ip6,
-                                                       self.server_port]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackExtendedATestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_vcl_thru_host_stack_bi_dir_nsock(self):
-        """ run VCL thru host stack bi-directional (multiple sockets) test """
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
-                                  "vcl_test_client",
-                                  self.client_ipv6_bi_dir_nsock_test_args)
-
-
-class VCLIpv6ThruHostStackExtendedBTestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Extended Tests """
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackExtendedBTestCase, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        if self.vppDebug:
-            self.client_bi_dir_nsock_timeout = 120
-            self.client_ipv6_bi_dir_nsock_test_args = ["-6", "-B", "-X",
-                                                       self.loop0.local_ip6,
-                                                       self.server_port]
-        else:
-            self.client_bi_dir_nsock_timeout = 60
-            self.client_ipv6_bi_dir_nsock_test_args = ["-6", "-I", "2",
-                                                       "-B", "-X",
-                                                       self.loop0.local_ip6,
-                                                       self.server_port]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackExtendedBTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_ldp_thru_host_stack_bi_dir_nsock(self):
-        """ run LDP thru host stack bi-directional (multiple sockets) test """
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.thru_host_stack_test("sock_test_server", self.server_ipv6_args,
-                                  "sock_test_client",
-                                  self.client_ipv6_bi_dir_nsock_test_args)
-
-
-class VCLIpv6ThruHostStackExtendedCTestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Extended Tests """
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackExtendedCTestCase, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 120
-            self.numSockets = "2"
-        else:
-            self.client_uni_dir_nsock_timeout = 120
-            self.numSockets = "5"
-
-        self.client_ipv6_uni_dir_nsock_test_args = ["-6",
-                                                    "-I", self.numSockets,
-                                                    "-U", "-X",
-                                                    self.loop0.local_ip6,
-                                                    self.server_port]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackExtendedCTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_ldp_thru_host_stack_uni_dir_nsock(self):
-        """ run LDP thru host stack uni-directional (multiple sockets) test """
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.thru_host_stack_test("sock_test_server", self.server_ipv6_args,
-                                  "sock_test_client",
-                                  self.client_ipv6_uni_dir_nsock_test_args)
-
-
-class VCLIpv6ThruHostStackExtendedDTestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Extended Tests """
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackExtendedDTestCase, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 120
-            self.numSockets = "2"
-        else:
-            self.client_uni_dir_nsock_timeout = 120
-            self.numSockets = "5"
-
-        self.client_ipv6_uni_dir_nsock_test_args = ["-6",
-                                                    "-I", self.numSockets,
-                                                    "-U", "-X",
-                                                    self.loop0.local_ip6,
-                                                    self.server_port]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackExtendedDTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_vcl_thru_host_stack_uni_dir_nsock(self):
-        """ run VCL thru host stack uni-directional (multiple sockets) test """
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
+        self.thru_host_stack_test("vcl_test_server",
+                                  self.server_ipv6_args,
                                   "vcl_test_client",
-                                  self.client_ipv6_uni_dir_nsock_test_args)
-
-
-class VCLIpv6ThruHostStackIperfTestCase(VCLTestCase):
-    """ VCL IPv6 Thru Host Stack Iperf Tests """
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackIperfTestCase, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        self.client_iperf3_timeout = 20
-        self.client_ipv6_iperf3_args = ["-V6d", "-c", self.loop0.local_ip6]
-        self.server_ipv6_iperf3_args = ["-V6d", "-s"]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-
-        super(VCLIpv6ThruHostStackIperfTestCase, self).tearDown()
-
-    @unittest.skipUnless(running_extended_tests(), "part of extended tests")
-    def test_ldp_thru_host_stack_iperf3(self):
-        """ run LDP thru host stack iperf3 test """
-
-        try:
-            subprocess.check_output(['iperf3', '-v'])
-        except:
-            self.logger.error("WARNING: 'iperf3' is not installed,")
-            self.logger.error(
-                "         'test_ldp_thru_host_stack_iperf3' not run!")
-            return
-
-        self.timeout = self.client_iperf3_timeout
-        self.thru_host_stack_test("iperf3", self.server_ipv6_iperf3_args,
-                                  "iperf3", self.client_ipv6_iperf3_args)
+                                  self.client_ipv6_echo_test_args)
 
 
 if __name__ == '__main__':