diff --git a/classes/cluster/virtual-mcp-ocata-dvr/infra/config.yml b/classes/cluster/virtual-mcp-ocata-dvr/infra/config.yml
index 0d85bae..1353739 100644
--- a/classes/cluster/virtual-mcp-ocata-dvr/infra/config.yml
+++ b/classes/cluster/virtual-mcp-ocata-dvr/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-dvr/openstack/control.yml b/classes/cluster/virtual-mcp-ocata-dvr/openstack/control.yml
index df120a0..02ca8ae 100644
--- a/classes/cluster/virtual-mcp-ocata-dvr/openstack/control.yml
+++ b/classes/cluster/virtual-mcp-ocata-dvr/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-dvr/openstack/dashboard.yml b/classes/cluster/virtual-mcp-ocata-dvr/openstack/dashboard.yml
index 36697db..fba1f30 100644
--- a/classes/cluster/virtual-mcp-ocata-dvr/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp-ocata-dvr/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-dvr/stacklight/server.yml b/classes/cluster/virtual-mcp-ocata-dvr/stacklight/server.yml
index 338c914..fb2bf0d 100644
--- a/classes/cluster/virtual-mcp-ocata-dvr/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp-ocata-dvr/stacklight/server.yml
@@ -40,4 +40,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0