Tinc Mesh VPN

Info
Tinc automatically sets up a mesh VPN between multiple nodes in a network. Each daemon will communicate directly to every other daemon if possible. I find it very easy to setup, even if you only want to connect only two Nodes.
http://www.tinc-vpn.org/

Firmware sample
http://files.lancethepants.com/Firmware/
MIPSR2 routers with 8MB+ flash.
MIPSR1 routers with 4MB flash.
Now available in Shibby firmware starting with release v122.

Code...

Tinc Mesh VPN