Change default VXLAN port for swarm in bgpvpn deployment

Related-Prod: PRODX-11679
Change-Id: I156f8134615cc2f474d51fac39249ccaa95f5b24
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index 6295833..51e82aa 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -259,6 +259,9 @@
   docker_ucp_image:
     type: string
     default: 'docker/ucp:3.2.4'
+  docker_ucp_swarm_data_port:
+    type: string
+    default: 4789
   tunnel_interface:
     type: string
     default: ''
@@ -359,6 +362,7 @@
       docker_ee_url: { get_param: docker_ee_url }
       docker_ee_release: { get_param: docker_ee_release }
       docker_ucp_image: { get_param: docker_ucp_image}
+      docker_ucp_swarm_data_port: { get_param: docker_ucp_swarm_data_port }
       docker_default_address_pool: { get_param: docker_default_address_pool }
       node_type: "ucp"
       key_name: { get_attr: [keypair_name, value] }