diff --git a/vmware_nsx/common/config.py b/vmware_nsx/common/config.py
index 638b265329..8989b41bb1 100644
--- a/vmware_nsx/common/config.py
+++ b/vmware_nsx/common/config.py
@@ -295,10 +295,9 @@ nsxv_opts = [
                       'metadata proxy')),
     cfg.ListOpt('nova_metadata_ips',
                 help=_('IP addresses used by Nova metadata service')),
-    cfg.IntOpt('nova_metadata_port',
-               default=8775,
-               min=1, max=65535,
-               help=_("TCP Port used by Nova metadata server")),
+    cfg.PortOpt('nova_metadata_port',
+                default=8775,
+                help=_("TCP Port used by Nova metadata server")),
     cfg.StrOpt('metadata_shared_secret',
                secret=True,
                help=_('Shared secret to sign metadata requests')),
diff --git a/vmware_nsx/dhcp_meta/nsx.py b/vmware_nsx/dhcp_meta/nsx.py
index 0ea7916bb4..6bfb9d26d4 100644
--- a/vmware_nsx/dhcp_meta/nsx.py
+++ b/vmware_nsx/dhcp_meta/nsx.py
@@ -54,11 +54,10 @@ metadata_opts = [
                deprecated_group='NVP_METADATA',
                default='127.0.0.1',
                help=_("IP address used by Metadata server.")),
-    cfg.IntOpt('metadata_server_port',
-               deprecated_group='NVP_METADATA',
-               default=8775,
-               min=1, max=65535,
-               help=_("TCP Port used by Metadata server.")),
+    cfg.PortOpt('metadata_server_port',
+                deprecated_group='NVP_METADATA',
+                default=8775,
+                help=_("TCP Port used by Metadata server.")),
     cfg.StrOpt('metadata_shared_secret',
                deprecated_group='NVP_METADATA',
                default='',
diff --git a/vmware_nsx/dvs/dvs_utils.py b/vmware_nsx/dvs/dvs_utils.py
index 92ecf91994..1a94004ce7 100644
--- a/vmware_nsx/dvs/dvs_utils.py
+++ b/vmware_nsx/dvs/dvs_utils.py
@@ -19,8 +19,8 @@ dvs_opts = [
     cfg.StrOpt('host_ip',
                help='Hostname or IP address for connection to VMware vCenter '
                     'host.'),
-    cfg.IntOpt('host_port', default=443, min=1, max=65535,
-               help='Port for connection to VMware vCenter host.'),
+    cfg.PortOpt('host_port', default=443,
+                help='Port for connection to VMware vCenter host.'),
     cfg.StrOpt('host_username',
                help='Username for connection to VMware vCenter host.'),
     cfg.StrOpt('host_password',