.. Warning: Do not edit this file. It is automatically generated from the software project's code and your changes will be overwritten. The tool to generate this file lives in openstack-doc-tools repository. Please make any changes needed in the code, then run the autogenerate-config-doc tool from the openstack-doc-tools repository, or ask for help on the documentation mailing list, IRC channel or meeting. .. _neutron-ml2_flat: .. list-table:: Description of ML2 Flat mechanism driver configuration options :header-rows: 1 :class: config-ref-table * - Configuration option = Default value - Description * - **[ml2_type_flat]** - * - ``flat_networks`` = ``*`` - (List) List of physical_network names with which flat networks can be created. Use default '*' to allow flat networks with arbitrary physical_network names. Use an empty list to disable flat networks.