[DEFAULT] interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver auth_url = {{ service_protocol }}://{{ keystone_host }}:{{ service_port }}/v2.0 auth_region = {{ region }} admin_tenant_name = {{ service_tenant }} admin_user = {{ service_username }} admin_password = {{ service_password }} root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ovs_use_veth = True handle_internal_only_routers = {{ handle_internal_only_router }} {% if ext_net_id %} gateway_external_network_id = {{ ext_net_id }} {% endif %}