nova auth_plugin with password authentication
diff --git a/neutron/files/liberty/neutron-server.conf.contrail.Debian b/neutron/files/liberty/neutron-server.conf.contrail.Debian
index d822922..3b39d4b 100644
--- a/neutron/files/liberty/neutron-server.conf.contrail.Debian
+++ b/neutron/files/liberty/neutron-server.conf.contrail.Debian
@@ -772,6 +772,7 @@
 [nova]
 # Name of the plugin to load
 # auth_plugin =
+auth_plugin = password
 
 # Config Section from which to load plugin specific options
 # auth_section =