diff --git a/classes/cluster/virtual-mcp11-contrail/infra/config.yml b/classes/cluster/virtual-mcp11-contrail/infra/config.yml
index 91125e3..3d88f4e 100755
--- a/classes/cluster/virtual-mcp11-contrail/infra/config.yml
+++ b/classes/cluster/virtual-mcp11-contrail/infra/config.yml
@@ -41,7 +41,9 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
   nginx:
     server:
       site: