diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/infra/config.yml b/classes/cluster/virtual-mcp11-k8s-contrail/infra/config.yml
index 4fd9100..b6e8f4a 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/infra/config.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/infra/config.yml
@@ -19,6 +19,15 @@
     linux_system_codename: xenial
     salt_api_password_hash: "$6$WV0P1shnoDh2gI/Z$22/Bcd7ffMv0jDlFpT63cAU4PiXHz9pjXwngToKwqAsgoeK4HNR3PiKaushjxp3JsQ8hNoJmAC6TxzVqfV8WH/"
     salt_master_host: ${_param:infra_config_deploy_address}
+  linux:
+    network:
+      interface:
+        ens4:
+          enabled: true
+          type: eth
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
   reclass:
     storage:
       node: