diff --git a/heat/engine/resources/openstack/neutron/provider_net.py b/heat/engine/resources/openstack/neutron/provider_net.py
index d1e680a291..780206b75a 100644
--- a/heat/engine/resources/openstack/neutron/provider_net.py
+++ b/heat/engine/resources/openstack/neutron/provider_net.py
@@ -29,9 +29,11 @@ class ProviderNet(net.Net):
     PROPERTIES = (
         NAME, PROVIDER_NETWORK_TYPE, PROVIDER_PHYSICAL_NETWORK,
         PROVIDER_SEGMENTATION_ID, ADMIN_STATE_UP, SHARED,
+        ROUTER_EXTERNAL,
     ) = (
         'name', 'network_type', 'physical_network',
         'segmentation_id', 'admin_state_up', 'shared',
+        'router_external',
     )
 
     ATTRIBUTES = (
@@ -72,6 +74,13 @@ class ProviderNet(net.Net):
             default=True,
             update_allowed=True
         ),
+        ROUTER_EXTERNAL: properties.Schema(
+            properties.Schema.BOOLEAN,
+            _('Whether the network contains an external router.'),
+            default=False,
+            update_allowed=True,
+            support_status=support.SupportStatus(version='6.0.0')
+        ),
     }
 
     attributes_schema = {
@@ -117,6 +126,9 @@ class ProviderNet(net.Net):
                 props,
                 ProviderNet.PROVIDER_SEGMENTATION_ID)
 
+        if ProviderNet.ROUTER_EXTERNAL in props:
+            props['router:external'] = props.pop(ProviderNet.ROUTER_EXTERNAL)
+
     def handle_create(self):
         """Creates the resource with provided properties.
 
diff --git a/heat/tests/openstack/neutron/test_neutron_provider_net.py b/heat/tests/openstack/neutron/test_neutron_provider_net.py
index 211517a69c..69cc82cc46 100644
--- a/heat/tests/openstack/neutron/test_neutron_provider_net.py
+++ b/heat/tests/openstack/neutron/test_neutron_provider_net.py
@@ -37,6 +37,7 @@ resources:
       network_type: vlan
       physical_network: physnet_1
       segmentation_id: 101
+      router_external: False
       shared: true
 '''
 
@@ -50,6 +51,7 @@ stpna = {
         "provider:network_type": "vlan",
         "provider:physical_network": "physnet_1",
         "provider:segmentation_id": "101",
+        "router:external": False,
         "tenant_id": "c1210485b2424d48804aad5d39c61b8f",
         "id": "fc68ea2c-b60b-4b4f-bd82-94ec81110766"
     }
@@ -79,6 +81,7 @@ class NeutronProviderNetTest(common.HeatTestCase):
                 'provider:network_type': 'vlan',
                 'provider:physical_network': 'physnet_1',
                 'provider:segmentation_id': '101',
+                'router:external': False,
                 'shared': True}
         }).AndReturn(stpnb)
 
@@ -152,7 +155,8 @@ class NeutronProviderNetTest(common.HeatTestCase):
             {'network': {
                 'provider:network_type': 'vlan',
                 'provider:physical_network': 'physnet_1',
-                'provider:segmentation_id': '102'
+                'provider:segmentation_id': '102',
+                'router:external': 'True'
             }}).AndReturn(None)
 
         neutronclient.Client.update_network(
@@ -169,9 +173,10 @@ class NeutronProviderNetTest(common.HeatTestCase):
         self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
 
         prop_diff = {
-            "network_type": "vlan",
-            "physical_network": "physnet_1",
-            "segmentation_id": "102"
+            'network_type': 'vlan',
+            'physical_network': 'physnet_1',
+            'segmentation_id': '102',
+            'router_external': 'True'
         }
         update_snippet = rsrc_defn.ResourceDefinition(rsrc.name, rsrc.type(),
                                                       prop_diff)