Configuring networking in OpenStack can be a bewildering experience. This guide provides step-by-step instructions for both OpenStack Networking (neutron) and the legacy networking (nova-network) service. If you are unsure which to use, we recommend trying OpenStack Networking because it offers a considerable number of features and flexibility including plug-ins for a variety of emerging products supporting virtual networking. See the Networking chapter of the OpenStack Cloud Administrator Guide for more information.
