In this tutorial we add some stations to an existing ring. <br /><br />We set up a subnet to dispatch local traffic more precisely. <br /><br />We add a router to create more rings. <br /><br />At the end of this tuorial, viewers have all the tools to create a region with 2047 rings and 521 985 stations... <br /><br />This video is released under the Creative Commons Non-commercial share-alike license (see http://creativecommons.org/licenses/by-nc-sa/3.0/).