diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index 6bfa35b..19f4919 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -114,6 +114,7 @@
 UCP_IP_ADDRESS=${UCP_IP_ADDRESS:-$CONTROL_IP_ADDRESS}
 # Change default VXLAN port, need for https://mirantis.jira.com/browse/PRODX-11679
 UCP_DOCKER_SWARM_DATA_PORT=${UCP_DOCKER_SWARM_DATA_PORT:-4789}
+UCP_DOCKER_CALICO_VXLAN_PORT=${UCP_DOCKER_CALICO_VXLAN_PORT:-${UCP_DOCKER_SWARM_DATA_PORT}}
 NTP_SERVERS=${NTP_SERVERS:-"ldap.scc.mirantis.net ldap.bud.mirantis.net"}
 IRONIC_BAREMETAL_VXLAN_INTERFACE='vxlan10'
 HUGE_PAGES_1G_SIZE=$(echo "${HUGE_PAGES}" | awk -F ',' '{print $1}')
@@ -471,6 +472,7 @@
     default_node_orchestrator = \"kubernetes\"
 [cluster_config]
     dns = [\"172.18.208.44\"]
+    calico_vxlan_port = \"$UCP_DOCKER_CALICO_VXLAN_PORT\"
     ${max_pods}
     ${secure_overlay}
 " | docker config create com.docker.ucp.config -