HMA Pro VPN - L2TP setup for DD-WRT

First of all you need a router with the latest DD-WRT firmware installed. If you don't know if your router supports the DD-WRT firmware, check their router database.
The firmware used in this tutorial is "v24-sp2 (08/07/10) std". For instructions on how to flash your router with DD-WRT firmware, check out the links @ Router configuration
This tutorial has been made with a D-LINK DIR 600.
For an alternative L2TP tutorial, see: http://forum.hidemyass.com/index.php?/topic/6227-hma-l2tp-to-any-dd-wrt-router/

If you're experiencing any issues, it's a good idea to try the PPTP setup instead: DD-WRT PPTP Setup

1. Login to your DDWRT router's web interface.
2. Setup
3. Basic Setup
4. Wan Setup > Connection Type: L2TP
5. Username: Your VPN Username
6. Password: Your L2TP/PPTP Password. Can be found at http://hidemyass.com > PPTP Servers > Login Details.
7. Gateway: The L2TP server IPs can be found @ http://hidemyass.com/vpn
8. Connection strategy: Keep Alive: Redial Period 180 seconds
9. STP: Disable
10. Leave everything as it is.
11. Save and Apply Settings.

In some firmware versions, you also need to set this: