diff --git a/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt-context-lab03-environment.yaml b/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt-context-lab03-environment.yaml
index c92c9b9..def5353 100644
--- a/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt-context-lab03-environment.yaml
+++ b/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt-context-lab03-environment.yaml
@@ -83,7 +83,8 @@
           role: single_mgm_dhcp
         enp2s0f1:
           role: bond0_ab_dvr_vxlan_ctl_mesh_external
-          ex_address: 172.17.42.4
+          external_address: 172.17.42.4
+          external_network_netmask: 255.255.255.192
 
     gtw02.cookied-bm-mcp-dvr-vxlan.local:
       reclass_storage_name: openstack_gateway_node02
@@ -95,4 +96,5 @@
           role: single_mgm_dhcp
         enp2s0f1:
           role: bond0_ab_dvr_vxlan_ctl_mesh_external
-          ex_address: 172.17.42.5
+          external_address: 172.17.42.5
+          external_network_netmask: 255.255.255.192