diff --git a/terraform/control-plane1.bu b/terraform/control-plane1.bu
index ced55bf..b7a669f 100644
--- a/terraform/control-plane1.bu
+++ b/terraform/control-plane1.bu
@@ -43,6 +43,8 @@ storage:
           Gateway=10.0.2.3
           DNS=10.0.1.1
           Domains=undercloud.local
+          IPv6AcceptRA=no
+          IPv6PrivacyExtensions=no
 
     - path: /etc/hosts
       mode: 0644
diff --git a/terraform/control-plane2.bu b/terraform/control-plane2.bu
index b98e669..61bfc22 100644
--- a/terraform/control-plane2.bu
+++ b/terraform/control-plane2.bu
@@ -37,6 +37,8 @@ storage:
           Gateway=10.0.2.3
           DNS=10.0.1.1
           Domains=undercloud.local
+          IPv6AcceptRA=no
+          IPv6PrivacyExtensions=no
 
     - path: /etc/hosts
       mode: 0644
diff --git a/terraform/control-plane3.bu b/terraform/control-plane3.bu
index d432acf..c867e94 100644
--- a/terraform/control-plane3.bu
+++ b/terraform/control-plane3.bu
@@ -37,6 +37,8 @@ storage:
           Gateway=10.0.2.3
           DNS=10.0.1.1
           Domains=undercloud.local
+          IPv6AcceptRA=no
+          IPv6PrivacyExtensions=no
 
     - path: /etc/hosts
       mode: 0644