diff --git a/mcord/make-vtn-external-yaml.sh b/mcord/make-vtn-external-yaml.sh
index 48ef2a5..3239537 100644
--- a/mcord/make-vtn-external-yaml.sh
+++ b/mcord/make-vtn-external-yaml.sh
@@ -104,6 +104,20 @@
               node: service#ONOS_CORD
               relationship: tosca.relationships.MemberOfService
 
+    # VTN hostManagementIface field for node $NODE
+    ${NODE}_dataPlaneIp_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: hostManagementIface
+          value: veth3
+      requirements:
+          - target:
+              node: $NODE
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.MemberOfService
+
 EOF
 done