diff --git a/opencontrail/compute/single.yml b/opencontrail/compute/single.yml
index 6674e34..72dda61 100644
--- a/opencontrail/compute/single.yml
+++ b/opencontrail/compute/single.yml
@@ -1,7 +1,10 @@
 applications:
 - opencontrail
+classes:
+  - service.opencontrail.compute.single
 parameters:
   _param:
+    opencontrail_version: 3.0
     opencontrail_compute_iface_mask: 24
   opencontrail:
     common:
@@ -9,7 +12,7 @@
       identity:
         engine: keystone
         host: ${_param:control_address}
-        port: 35357
+        port: ${_param:opencontrail_identity_port}
         token: ${_param:keystone_service_token}
         password: ${_param:keystone_admin_password}
       network:
@@ -17,17 +20,8 @@
         host: ${_param:control_address}
         port: 9696
     compute:
-      version: ${_param:opencontrail_version}
-      enabled: True
       discovery:
         host: ${_param:control_address}
-      interface:
-        address: ${_param:opencontrail_compute_address}
-        dev: ${_param:opencontrail_compute_iface}
-        gateway: ${_param:opencontrail_compute_gateway}
-        mask: ${_param:opencontrail_compute_iface_mask}
-        dns: ${_param:opencontrail_compute_dns}
-        mtu: 9000
   nova:
     compute:
       instance_build_timeout: ${_param:nova_instance_build_timeout}