diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index 1e12aee..0901dbe 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -13,6 +13,7 @@
 NODE_METADATA='$node_metadata'
 DOCKER_EE_URL='$docker_ee_url'
 DOCKER_EE_RELEASE='$docker_ee_release'
+FLOATING_NETWORK_PREFIXES=$private_floating_network_cidr
 #
 # End of block
 #
diff --git a/de/heat-templates/top.yaml b/de/heat-templates/top.yaml
index 53fe0ba..5345916 100644
--- a/de/heat-templates/top.yaml
+++ b/de/heat-templates/top.yaml
@@ -112,6 +112,15 @@
   docker_ee_release:
     type: string
     default: 'stable-19.03'
+  tunnel_interface:
+    type: string
+    default: ''
+  live_migration_interface:
+    type: string
+    default: ''
+  metallb_address_pools:
+    type: comma_delimited_list
+    default: ''
 
 resources:
   key_pair:
@@ -380,4 +389,9 @@
     value: { get_param: private_floating_network_pool_end }
   private_floating_network_gateway:
     value: { get_param: private_floating_network_gateway }
-
+  tunnel_interface:
+    value: { get_param: tunnel_interface }
+  live_migration_interface:
+    value: { get_param: live_migration_interface }
+  metallb_address_pools:
+    value: { get_param: metallb_address_pools }