Why I built my own homebrew Linux router: 
For the last few months, I’ve been talking a lot about using a bare install of standard Linux distribution as a router. I’ve written about it at Ars Technica, I did a presentation at Great Wide Open, and I’m doing another one at SouthEast LinuxFest next week.
read more: Opensource.com Jim Salter
Supporting Open Source.
Have you tried: Farking?