I wanted to setup a network with a few friends so I wanted a DC hub. I also wanted to always share my files on my external with my friends on that hub, so i also needed a DC client software.
The hub software was easy, the client software was much harder (most of them only use GUIs...)
I got it all working with opendchub and microdc2.
Full instructions on the wiki at http://plugcomputer.org/plugwiki/index.php/Direct_Connect
Hope that might be able to help someone else! DC is a great way to share files with a small group of people.