diff --git a/vmware_nsx_tempest_plugin/tests/scenario/test_multiple_allow_address_pair.py b/vmware_nsx_tempest_plugin/tests/scenario/test_multiple_allow_address_pair.py
index 9433b75..87121f9 100644
--- a/vmware_nsx_tempest_plugin/tests/scenario/test_multiple_allow_address_pair.py
+++ b/vmware_nsx_tempest_plugin/tests/scenario/test_multiple_allow_address_pair.py
@@ -62,12 +62,7 @@ class MultipleAllowAddress(feature_manager.FeatureManager):
                 manager_ip, CONF.nsxv.user, CONF.nsxv.password)
 
     def _assign_ip_address(self, ssh_source, interface_name, ip_address):
-        int_face = interface_name.split('.')[0]
-        vlan_id = interface_name.split('.')[1]
-        ssh_source.exec_command("sudo ip link add link  %s name  %s type vlan\
-                                 id %s" % (int_face, interface_name, vlan_id))
-
-        ssh_source.exec_command("sudo ifconfig %s %s/24 \
+        ssh_source.exec_command("sudo /sbin/ifconfig %s %s netmask 255.255.255.0 \
                                 up" % (interface_name, ip_address))
 
     def verify_ping_to_fip_from_ext_vm(self, server_details):
@@ -657,8 +652,8 @@ class MultipleAllowAddress(feature_manager.FeatureManager):
         vm2_ip_address = vm2['floating_ips'][0]['floating_ip_address']
         ssh_source2 = self._get_remote_client(vm2_ip_address,
                                               use_password=True)
-        self._assign_ip_address(ssh_source1, 'eth0.1', vm1_ip)
-        self._assign_ip_address(ssh_source2, 'eth0.1', vm2_ip)
+        self._assign_ip_address(ssh_source1, 'eth0:1', vm1_ip)
+        self._assign_ip_address(ssh_source2, 'eth0:1', vm2_ip)
         # Verify Connectivity between vms
         self.check_remote_connectivity(ssh_source1, vm2_ip,
                                        should_succeed=True)
diff --git a/vmware_nsx_tempest_plugin/tests/scenario/test_new_case_coverage.py b/vmware_nsx_tempest_plugin/tests/scenario/test_new_case_coverage.py
index ceded07..b37ed7f 100644
--- a/vmware_nsx_tempest_plugin/tests/scenario/test_new_case_coverage.py
+++ b/vmware_nsx_tempest_plugin/tests/scenario/test_new_case_coverage.py
@@ -139,11 +139,10 @@ class TestNewCase(feature_manager.FeatureManager):
         network_state2 = self.create_topology_network(network_name2)
         subnet_state1 = self.create_topology_subnet(
             subnet_name1, network_state1, router_id=router_state["id"])
-        subnet_state2 = self.create_topology_subnet(subnet_name2,
-                                                    network_state2,
-                                                    router_id=router_state2["\
-                                                    id"],
-                                                    cidr=constants.CIDR)
+        subnet_st2 = self.create_topology_subnet(subnet_name2,
+                                                 network_state2,
+                                                 router_id=router_state2["id"],
+                                                 cidr=constants.CIDR)
         if create_instance:
             self.create_topology_instance("server1",
                                           [network_state1])
@@ -154,7 +153,7 @@ class TestNewCase(feature_manager.FeatureManager):
                              network_state1=network_state1,
                              network_state2=network_state2,
                              subnet_state1=subnet_state1,
-                             subnet_state2=subnet_state2)
+                             subnet_state2=subnet_st2)
         return topology_dict
 
     def create_topo_across_networks(self, namestart, create_instance=True):
@@ -899,7 +898,7 @@ class TestNewCase(feature_manager.FeatureManager):
                                      clients=self.cmgr_adm)
         ip_address = vm1['floating_ips'][0]['floating_ip_address']
         ssh_source = self._get_remote_client(ip_address, use_password=True)
-        remote_ip = vm2.values()[1].values()[0][0]['addr']
+        remote_ip = sorted(vm2['addresses'].values())[0][0]['addr']
         # Verify connectivity between vms
         self.check_remote_connectivity(ssh_source, remote_ip,
                                        should_succeed=True)
@@ -946,7 +945,7 @@ class TestNewCase(feature_manager.FeatureManager):
                                      clients=self.cmgr_adm)
         ip_address = vm1['floating_ips'][0]['floating_ip_address']
         ssh_source = self._get_remote_client(ip_address, use_password=True)
-        remote_ip = vm2.values()[1].values()[0][0]['addr']
+        remote_ip = sorted(vm2['addresses'].values())[0][0]['addr']
         # Verify Connectivity between vms
         self.check_remote_connectivity(ssh_source, remote_ip,
                                        should_succeed=True)