diff --git a/classes/cluster/virtual-mcp-ocata-ovs/openstack/gateway.yml b/classes/cluster/virtual-mcp-ocata-ovs/openstack/gateway.yml
index 9ff5ea3..8167f96 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/openstack/gateway.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/openstack/gateway.yml
@@ -33,6 +33,12 @@
           mtu: ${_param:interface_mtu}
           proto: manual
           type: eth
+        external_interface:
+          enabled: true
+          name: ${_param:external_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
         br-floating:
           enabled: true
           type: ovs_bridge
@@ -54,4 +60,19 @@
           address: ${_param:tenant_address}
           netmask: 255.255.255.0
           use_interfaces:
-          - ${_param:tenant_interface}
\ No newline at end of file
+          - ${_param:tenant_interface}
+        float-to-ex:
+          enabled: true
+          type: ovs_port
+          mtu: ${_param:interface_mtu}
+          bridge: br-floating
+        br-ex:
+          enabled: true
+          type: bridge
+          mtu: ${_param:interface_mtu}
+          address: ${_param:external_address}
+          netmask: 255.255.255.0
+          use_interfaces:
+          - ${_param:external_interface}
+          use_ovs_ports:
+          - float-to-ex
\ No newline at end of file
diff --git a/classes/cluster/virtual-mcp10-ovs/openstack/gateway.yml b/classes/cluster/virtual-mcp10-ovs/openstack/gateway.yml
index b885e41..c0303e9 100644
--- a/classes/cluster/virtual-mcp10-ovs/openstack/gateway.yml
+++ b/classes/cluster/virtual-mcp10-ovs/openstack/gateway.yml
@@ -33,6 +33,12 @@
           mtu: ${_param:interface_mtu}
           proto: manual
           type: eth
+        external_interface:
+          enabled: true
+          name: ${_param:external_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
         br-floating:
           enabled: true
           type: ovs_bridge
@@ -54,4 +60,19 @@
           address: ${_param:tenant_address}
           netmask: 255.255.255.0
           use_interfaces:
-          - ${_param:tenant_interface}
\ No newline at end of file
+          - ${_param:tenant_interface}
+        float-to-ex:
+          enabled: true
+          type: ovs_port
+          mtu: ${_param:interface_mtu}
+          bridge: br-floating
+        br-ex:
+          enabled: true
+          type: bridge
+          mtu: ${_param:interface_mtu}
+          address: ${_param:external_address}
+          netmask: 255.255.255.0
+          use_interfaces:
+          - ${_param:external_interface}
+          use_ovs_ports:
+          - float-to-ex
\ No newline at end of file
diff --git a/classes/cluster/virtual-mcp11-ovs/openstack/gateway.yml b/classes/cluster/virtual-mcp11-ovs/openstack/gateway.yml
index 9457482..2e7f0f0 100644
--- a/classes/cluster/virtual-mcp11-ovs/openstack/gateway.yml
+++ b/classes/cluster/virtual-mcp11-ovs/openstack/gateway.yml
@@ -33,6 +33,12 @@
           mtu: ${_param:interface_mtu}
           proto: manual
           type: eth
+        external_interface:
+          enabled: true
+          name: ${_param:external_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
         br-floating:
           enabled: true
           type: ovs_bridge
@@ -54,4 +60,19 @@
           address: ${_param:tenant_address}
           netmask: 255.255.255.0
           use_interfaces:
-          - ${_param:tenant_interface}
\ No newline at end of file
+          - ${_param:tenant_interface}
+        float-to-ex:
+          enabled: true
+          type: ovs_port
+          mtu: ${_param:interface_mtu}
+          bridge: br-floating
+        br-ex:
+          enabled: true
+          type: bridge
+          mtu: ${_param:interface_mtu}
+          address: ${_param:external_address}
+          netmask: 255.255.255.0
+          use_interfaces:
+          - ${_param:external_interface}
+          use_ovs_ports:
+          - float-to-ex
\ No newline at end of file