diff --git a/classes/cluster/virtual-mcp-ocata-ovs/infra/config.yml b/classes/cluster/virtual-mcp-ocata-ovs/infra/config.yml
index 0f2908c..9bd65ba 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/infra/config.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/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:
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/openstack/control.yml b/classes/cluster/virtual-mcp-ocata-ovs/openstack/control.yml
index cdc9e65..17842bf 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/openstack/control.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/openstack/control.yml
@@ -45,7 +45,9 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
   keepalived:
     cluster:
       instance:
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp-ocata-ovs/openstack/dashboard.yml
index 7e4683b..af39937 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/openstack/dashboard.yml
@@ -11,4 +11,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/stacklight/server.yml b/classes/cluster/virtual-mcp-ocata-ovs/stacklight/server.yml
index 1d1682b..1b84d4d 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/stacklight/server.yml
@@ -41,4 +41,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0