diff --git a/vmware_nsx/plugins/common_v3/plugin.py b/vmware_nsx/plugins/common_v3/plugin.py
index 59ce040df8..cd320d82e7 100644
--- a/vmware_nsx/plugins/common_v3/plugin.py
+++ b/vmware_nsx/plugins/common_v3/plugin.py
@@ -249,10 +249,11 @@ class NsxPluginV3Base(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
             self._validate_address_scope_for_router_interface(
                 context.elevated(), router_db.id, gw_network_id, subnet['id'])
 
-    def _validate_ipv4_address_pairs(self, address_pairs):
+    def _validate_address_pairs(self, address_pairs):
         for pair in address_pairs:
             ip = pair.get('ip_address')
-            if not utils.is_ipv4_ip_address(ip):
+            if len(ip.split('/')) > 1:
+                LOG.error("cidr is not supported in allowed address pairs")
                 raise nsx_exc.InvalidIPAddress(ip_address=ip)
 
     def _create_port_address_pairs(self, context, port_data):
@@ -264,7 +265,7 @@ class NsxPluginV3Base(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
             if not port_security:
                 raise addr_exc.AddressPairAndPortSecurityRequired()
             else:
-                self._validate_ipv4_address_pairs(address_pairs)
+                self._validate_address_pairs(address_pairs)
                 self._process_create_allowed_address_pairs(context, port_data,
                                                            address_pairs)
         else:
@@ -348,7 +349,7 @@ class NsxPluginV3Base(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
                     raise addr_exc.AddressPairAndPortSecurityRequired()
 
         if delete_addr_pairs or has_addr_pairs:
-            self._validate_ipv4_address_pairs(
+            self._validate_address_pairs(
                 updated_port[addr_apidef.ADDRESS_PAIRS])
             # delete address pairs and read them in
             self._delete_allowed_address_pairs(context, id)
diff --git a/vmware_nsx/tests/unit/extensions/test_addresspairs.py b/vmware_nsx/tests/unit/extensions/test_addresspairs.py
index 8b031ae597..dfe0a9950f 100644
--- a/vmware_nsx/tests/unit/extensions/test_addresspairs.py
+++ b/vmware_nsx/tests/unit/extensions/test_addresspairs.py
@@ -55,6 +55,18 @@ class TestAllowedAddressPairsNSXv3(test_v3_plugin.NsxV3PluginTestCaseMixin,
                           'ip_address': '10.0.0.1/24'}]
         self._create_port_with_address_pairs(address_pairs, 400)
 
+    def test_create_port_allowed_address_pairs_v6(self):
+        with self.network() as net:
+            address_pairs = [{'ip_address': '1001::12'}]
+            res = self._create_port(self.fmt, net['network']['id'],
+                                    arg_list=(addr_apidef.ADDRESS_PAIRS,),
+                                    allowed_address_pairs=address_pairs)
+            port = self.deserialize(self.fmt, res)
+            address_pairs[0]['mac_address'] = port['port']['mac_address']
+            self.assertEqual(port['port'][addr_apidef.ADDRESS_PAIRS],
+                             address_pairs)
+            self._delete('ports', port['port']['id'])
+
     def test_update_add_bad_address_pairs_with_cidr(self):
         with self.network() as net:
             res = self._create_port(self.fmt, net['network']['id'])