diff --git a/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml b/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
index 822d556..f5e4802 100644
--- a/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp11-k8s-calico/underlay.yaml
@@ -1,7 +1,16 @@
+# Set the repository suite, one of the: 'nightly', 'testing', 'stable', or any other required
+{% set REPOSITORY_SUITE = os_env('REPOSITORY_SUITE', 'stable') %}
+
+{% import 'virtual-mcp11-k8s-calico/underlay--meta-data.yaml' as CLOUDINIT_META_DATA with context %}
+{% import 'virtual-mcp11-k8s-calico/underlay--user-data-cfg01.yaml' as CLOUDINIT_USER_DATA_CFG01 with context %}
+{% import 'virtual-mcp11-k8s-calico/underlay--user-data1604.yaml' as CLOUDINIT_USER_DATA_1604 with context %}
+
 ---
 aliases:
-  default_interface_model:
-    - &interface_model !os_env INTERFACE_MODEL, virtio
+ - &interface_model {{ os_env('INTERFACE_MODEL', 'virtio') }}
+ - &cloudinit_meta_data {{ CLOUDINIT_META_DATA }}
+ - &cloudinit_user_data_cfg01 {{ CLOUDINIT_USER_DATA_CFG01 }}
+ - &cloudinit_user_data_1604 {{ CLOUDINIT_USER_DATA_1604 }}
 
 {% set DOMAIN_NAME = os_env('LAB_CONFIG_NAME', 'virtual-mcp11-k8s-calico.local') + '.local' %}
 {% set HOSTNAME_CFG01 = os_env('HOSTNAME_CFG01', 'cfg01.' + DOMAIN_NAME) %}
@@ -17,11 +26,11 @@
 
 template:
   devops_settings:
-    env_name: {{ os_env('ENV_NAME', 'virtual-mcp11-k8s-calico.local') }}
+    env_name: {{ os_env('ENV_NAME', 'virtual-mcp11-k8s-calico_' + REPOSITORY_SUITE + "_" + os_env('BUILD_NUMBER', '')) }}
 
     address_pools:
       admin-pool01:
-        net: 172.16.10.0/24:24
+        net: {{ os_env('ADMIN_ADDRESS_POOL01', '10.70.0.0/16:24') }}
         params:
           ip_reserved:
             gateway: +1
@@ -40,7 +49,7 @@
             dhcp: [+90, -10]
 
       private-pool01:
-        net: 192.168.10.0/24:24
+        net: {{ os_env('PRIVATE_ADDRESS_POOL01', '10.60.0.0/16:24') }}
         params:
           ip_reserved:
             gateway: +1
@@ -86,10 +95,6 @@
               mode: nat
 
         group_volumes:
-         - name: cloudimage1404    # This name is used for 'backing_store' option for node volumes.
-           source_image: !os_env IMAGE_PATH1404  # https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img or
-                                             # http://apt.tcpcloud.eu/images/ubuntu-14-04-x64-201608231134.qcow2
-           format: qcow2
          - name: cloudimage1604    # This name is used for 'backing_store' option for node volumes.
            source_image: !os_env IMAGE_PATH1604  # https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img or
                                              # http://apt.tcpcloud.eu/images/ubuntu-16-04-x64-201608231004.qcow2