diff --git a/classes/cluster/os-ha-contrail-40/infra/init.yml b/classes/cluster/os-ha-contrail-40/infra/init.yml
index eafd3c6..f8009ef 100644
--- a/classes/cluster/os-ha-contrail-40/infra/init.yml
+++ b/classes/cluster/os-ha-contrail-40/infra/init.yml
@@ -6,3 +6,7 @@
     infra_config_address: 172.16.10.100
     infra_config_hostname: cfg01
     linux_system_repo_mcp_salt_version: nightly
+    linux_dhcp_interface:
+      enabled: true
+      type: eth
+      proto: dhcp