.. code-block:: ini

   [DEFAULT]
   core_plugin = ml2
   auth_strategy = keystone

   [database]
   # ...

   [keystone_authtoken]
   # ...

   [nova]
   # ...

   [agent]
   # ...

See the `Installation Tutorials and Guides <https://docs.openstack.org>`_ and
`Configuration Reference <https://docs.openstack.org>`_ for your OpenStack
release to obtain the appropriate additional configuration for the
``[DEFAULT]``, ``[database]``, ``[keystone_authtoken]``, ``[nova]``, and
``[agent]`` sections.