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
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
diff --git a/classes/cluster/virtual-mcp05-dvr/infra/config.yml b/classes/cluster/virtual-mcp05-dvr/infra/config.yml
index 1626f1a..f752a2d 100644
--- a/classes/cluster/virtual-mcp05-dvr/infra/config.yml
+++ b/classes/cluster/virtual-mcp05-dvr/infra/config.yml
@@ -39,7 +39,9 @@
         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-mcp05-dvr/openstack/control.yml b/classes/cluster/virtual-mcp05-dvr/openstack/control.yml
index eebcacd..31559c7 100644
--- a/classes/cluster/virtual-mcp05-dvr/openstack/control.yml
+++ b/classes/cluster/virtual-mcp05-dvr/openstack/control.yml
@@ -48,7 +48,9 @@
         eth1:
           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-mcp05-dvr/openstack/dashboard.yml b/classes/cluster/virtual-mcp05-dvr/openstack/dashboard.yml
index 63dd2be..d321ec3 100644
--- a/classes/cluster/virtual-mcp05-dvr/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp05-dvr/openstack/dashboard.yml
@@ -16,4 +16,6 @@
         eth1:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp05-dvr/stacklight/server.yml b/classes/cluster/virtual-mcp05-dvr/stacklight/server.yml
index 1dc1e58..198bfe7 100644
--- a/classes/cluster/virtual-mcp05-dvr/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp05-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
diff --git a/classes/cluster/virtual-mcp05-ovs/infra/config.yml b/classes/cluster/virtual-mcp05-ovs/infra/config.yml
index 231babf..f09d72e 100644
--- a/classes/cluster/virtual-mcp05-ovs/infra/config.yml
+++ b/classes/cluster/virtual-mcp05-ovs/infra/config.yml
@@ -39,7 +39,9 @@
         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-mcp05-ovs/openstack/control.yml b/classes/cluster/virtual-mcp05-ovs/openstack/control.yml
index 4b29e9e..0610079 100644
--- a/classes/cluster/virtual-mcp05-ovs/openstack/control.yml
+++ b/classes/cluster/virtual-mcp05-ovs/openstack/control.yml
@@ -42,7 +42,9 @@
         eth1:
           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-mcp05-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp05-ovs/openstack/dashboard.yml
index 1a2e6b0..87bfbdf 100644
--- a/classes/cluster/virtual-mcp05-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp05-ovs/openstack/dashboard.yml
@@ -27,4 +27,6 @@
         eth1:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp05-ovs/stacklight/server.yml b/classes/cluster/virtual-mcp05-ovs/stacklight/server.yml
index 943cc4e..2288aeb 100644
--- a/classes/cluster/virtual-mcp05-ovs/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp05-ovs/stacklight/server.yml
@@ -40,4 +40,7 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
+
diff --git a/classes/cluster/virtual-mcp10-contrail/infra/config.yml b/classes/cluster/virtual-mcp10-contrail/infra/config.yml
index ec64f71..9996261 100755
--- a/classes/cluster/virtual-mcp10-contrail/infra/config.yml
+++ b/classes/cluster/virtual-mcp10-contrail/infra/config.yml
@@ -38,7 +38,9 @@
         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-mcp10-contrail/openstack/control.yml b/classes/cluster/virtual-mcp10-contrail/openstack/control.yml
index 51294a2..3295d9c 100755
--- a/classes/cluster/virtual-mcp10-contrail/openstack/control.yml
+++ b/classes/cluster/virtual-mcp10-contrail/openstack/control.yml
@@ -67,7 +67,9 @@
         eth1:
           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-mcp10-contrail/openstack/dashboard.yml b/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
index 0c6e349..6bcb96c 100755
--- a/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp10-contrail/openstack/dashboard.yml
@@ -19,4 +19,6 @@
         eth1:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp10-contrail/stacklight/server.yml b/classes/cluster/virtual-mcp10-contrail/stacklight/server.yml
index 721bdd3..11def8a 100755
--- a/classes/cluster/virtual-mcp10-contrail/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp10-contrail/stacklight/server.yml
@@ -42,4 +42,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp10-dvr/infra/config.yml b/classes/cluster/virtual-mcp10-dvr/infra/config.yml
index e1ca1e7..93dd07a 100644
--- a/classes/cluster/virtual-mcp10-dvr/infra/config.yml
+++ b/classes/cluster/virtual-mcp10-dvr/infra/config.yml
@@ -39,7 +39,9 @@
         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-mcp10-dvr/openstack/control.yml b/classes/cluster/virtual-mcp10-dvr/openstack/control.yml
index b0d9a71..7a60877 100644
--- a/classes/cluster/virtual-mcp10-dvr/openstack/control.yml
+++ b/classes/cluster/virtual-mcp10-dvr/openstack/control.yml
@@ -43,7 +43,9 @@
         eth1:
           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-mcp10-dvr/openstack/dashboard.yml b/classes/cluster/virtual-mcp10-dvr/openstack/dashboard.yml
index b38a35a..70ef115 100644
--- a/classes/cluster/virtual-mcp10-dvr/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp10-dvr/openstack/dashboard.yml
@@ -19,4 +19,6 @@
         eth1:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp10-dvr/stacklight/server.yml b/classes/cluster/virtual-mcp10-dvr/stacklight/server.yml
index f5a17ec..08cfa82 100644
--- a/classes/cluster/virtual-mcp10-dvr/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp10-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
diff --git a/classes/cluster/virtual-mcp10-ovs/infra/config.yml b/classes/cluster/virtual-mcp10-ovs/infra/config.yml
index 99b4212..a4461c3 100644
--- a/classes/cluster/virtual-mcp10-ovs/infra/config.yml
+++ b/classes/cluster/virtual-mcp10-ovs/infra/config.yml
@@ -39,7 +39,9 @@
         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-mcp10-ovs/openstack/control.yml b/classes/cluster/virtual-mcp10-ovs/openstack/control.yml
index 997fdae..b235a84 100644
--- a/classes/cluster/virtual-mcp10-ovs/openstack/control.yml
+++ b/classes/cluster/virtual-mcp10-ovs/openstack/control.yml
@@ -42,7 +42,9 @@
         eth1:
           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-mcp10-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
index 2088261..a2b9762 100644
--- a/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp10-ovs/openstack/dashboard.yml
@@ -29,4 +29,6 @@
         eth1:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp10-ovs/stacklight/server.yml b/classes/cluster/virtual-mcp10-ovs/stacklight/server.yml
index 4a8f12b..288e9d9 100644
--- a/classes/cluster/virtual-mcp10-ovs/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp10-ovs/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
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:
diff --git a/classes/cluster/virtual-mcp11-contrail/opencontrail/control.yml b/classes/cluster/virtual-mcp11-contrail/opencontrail/control.yml
index 9abe3e7..e547a4c 100644
--- a/classes/cluster/virtual-mcp11-contrail/opencontrail/control.yml
+++ b/classes/cluster/virtual-mcp11-contrail/opencontrail/control.yml
@@ -34,7 +34,9 @@
         eth1:
           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-mcp11-contrail/openstack/control.yml b/classes/cluster/virtual-mcp11-contrail/openstack/control.yml
index 087a8aa..4825074 100755
--- a/classes/cluster/virtual-mcp11-contrail/openstack/control.yml
+++ b/classes/cluster/virtual-mcp11-contrail/openstack/control.yml
@@ -59,7 +59,9 @@
         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-mcp11-contrail/openstack/dashboard.yml b/classes/cluster/virtual-mcp11-contrail/openstack/dashboard.yml
index 80b36fd..8a79ed1 100755
--- a/classes/cluster/virtual-mcp11-contrail/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp11-contrail/openstack/dashboard.yml
@@ -14,4 +14,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp11-contrail/stacklight/server.yml b/classes/cluster/virtual-mcp11-contrail/stacklight/server.yml
index 9345cca..00f12ca 100755
--- a/classes/cluster/virtual-mcp11-contrail/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-contrail/stacklight/server.yml
@@ -42,4 +42,6 @@
         ens4:
           enabled: true
           type: eth
-          proto: dhcp
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
diff --git a/classes/cluster/virtual-mcp11-dvr/infra/config.yml b/classes/cluster/virtual-mcp11-dvr/infra/config.yml
index 0e81862..19508f8 100644
--- a/classes/cluster/virtual-mcp11-dvr/infra/config.yml
+++ b/classes/cluster/virtual-mcp11-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-mcp11-dvr/openstack/control.yml b/classes/cluster/virtual-mcp11-dvr/openstack/control.yml
index 4082915..efd7374 100644
--- a/classes/cluster/virtual-mcp11-dvr/openstack/control.yml
+++ b/classes/cluster/virtual-mcp11-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-mcp11-dvr/openstack/dashboard.yml b/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml
index 729262e..28c8f01 100644
--- a/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp11-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-mcp11-dvr/stacklight/server.yml b/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml
index 88af2c8..579a653 100644
--- a/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-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
diff --git a/classes/cluster/virtual-mcp11-ovs/infra/config.yml b/classes/cluster/virtual-mcp11-ovs/infra/config.yml
index f8b32d1..e97504a 100644
--- a/classes/cluster/virtual-mcp11-ovs/infra/config.yml
+++ b/classes/cluster/virtual-mcp11-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-mcp11-ovs/openstack/control.yml b/classes/cluster/virtual-mcp11-ovs/openstack/control.yml
index fbd1676..9a94459 100644
--- a/classes/cluster/virtual-mcp11-ovs/openstack/control.yml
+++ b/classes/cluster/virtual-mcp11-ovs/openstack/control.yml
@@ -44,7 +44,9 @@
         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-mcp11-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml
index 1667347..050681d 100644
--- a/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp11-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-mcp11-ovs/stacklight/server.yml b/classes/cluster/virtual-mcp11-ovs/stacklight/server.yml
index 3021299..c32e8a9 100644
--- a/classes/cluster/virtual-mcp11-ovs/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-ovs/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