diff --git a/mcord/vtn-external.yaml b/mcord/vtn-external.yaml
new file mode 100644
index 0000000..e508075
--- /dev/null
+++ b/mcord/vtn-external.yaml
@@ -0,0 +1,94 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/xos.yaml
+
+description: autogenerated node tags file for VTN configuration
+
+topology_template:
+  node_templates:
+
+    service#ONOS_CORD:
+      type: tosca.nodes.ONOSService
+      requirements:
+      properties:
+          kind: CORD-Platform
+          view_url: /admin/onos/onosservice/$id$/
+          no_container: true
+          rest_hostname: onos-cord
+          replaces: service_ONOS_CORD
+
+    service#vtn:
+      type: tosca.nodes.VTNService
+      properties:
+          kind: CORD-Platform
+          view_url: /admin/vtn/vtnservice/$id$/
+          privateGatewayMac: 00:00:00:00:00:01
+          localManagementIp: 10.102.83.2/24
+          ovsdbPort: 6641
+          sshUser: root
+          sshKeyFile: /root/node_key
+          sshPort: 22
+          xosEndpoint: http://xos/
+          xosUser: padmin@vicci.org
+          xosPassword: letmein
+          replaces: service_vtn
+
+    nova-compute-1:
+      type: tosca.nodes.Node
+
+    # VTN bridgeId field for node nova-compute-1
+    nova-compute-1_bridgeId_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: bridgeId
+          value: of:0000000000000001
+      requirements:
+          - target:
+              node: nova-compute-1
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.MemberOfService
+
+    # VTN dataPlaneIntf field for node nova-compute-1
+    nova-compute-1_dataPlaneIntf_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: dataPlaneIntf
+          value: fabric
+      requirements:
+          - target:
+              node: nova-compute-1
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.MemberOfService
+
+    # VTN dataPlaneIp field for node nova-compute-1
+    nova-compute-1_dataPlaneIp_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: dataPlaneIp
+          value: 10.168.0.253/24
+      requirements:
+          - target:
+              node: nova-compute-1
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.MemberOfService
+
+    VTN_ONOS_app:
+      type: tosca.nodes.ONOSVTNApp
+      requirements:
+          - onos_tenant:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.TenantOfService
+          - vtn_service:
+              node: service#vtn
+              relationship: tosca.relationships.UsedByService
+      properties:
+          install_dependencies: http://mavenrepo:8080/repository/org/opencord/cord-config/1.1-SNAPSHOT/cord-config-1.1-SNAPSHOT.oar,http://mavenrepo:8080/repository/org/opencord/vtn/1.1-SNAPSHOT/vtn-1.1-SNAPSHOT.oar
+          dependencies: org.onosproject.drivers, org.onosproject.drivers.ovsdb, org.onosproject.openflow-base, org.onosproject.ovsdb-base, org.onosproject.dhcp
+          autogenerate: vtn-network-cfg