diff --git a/Openstack/pv176.json b/Openstack/pv176.json
index 5b38ec84ca1218266ab0ad7c931ee94c7bb928e6..68023ab9749e69dfd7ff84ae912300acf3aa6224 100644
--- a/Openstack/pv176.json
+++ b/Openstack/pv176.json
@@ -16,6 +16,31 @@
             "properties":{
                 "name": "PV176-private-network"
             }
+        },
+        "internal_subnet":{
+            "type": "OS::Neutron::Subnet",
+            "properties":{
+            "network_id": { "Ref": "internal_net" },
+            "cidr": "10.0.0.0/8",
+            "dns_nameservers": [ "147.251.4.3", "8.8.8.8" ],
+            "ip_version": "4",
+            "enable_dhcp": "false",
+            "name": "PV176-private-subnet"
+            }
+        },
+        "internal_router":{
+            "type": "OS::Neutron::Router",
+            "properties":{
+            "external_gateway_info": { "network": "public-float-21" },
+            "name": "PV176-router"
+            }
+        },
+        "internal_interface":{
+            "type": "OS::Neutron::RouterInterface",
+            "properties":{
+            "router_id": { "Ref": "internal_router" },
+            "subnet": { "Ref": "internal_subnet" }
+            }
         }
     }
 }
\ No newline at end of file