The routers we have listed on this page here have shown to be the most stable and work. DD-WRT has many versions of their firmware, and that sometimes creates problems with VPN's.
You can of course try the connection on your router, but if things don't work properly it could be due to incompatibilities of the DD-WRT firmware and VPN.
For a full list of routers that can use dd-wrt, please see the router database located here http://www.dd-wrt.com
We provide all the information on our website with no implied warranty or promise. You flash your router at your own risk.
 - E2500 and E3200 lack 5GHz wireless support with DD-WRT, please consider alternatives.
 - E4200 version 1 is compatible with DD-WRT. Version 2 is unsupported.
2-router setup - The new router's Internet port (also known WAN port, usually labeled with a yellow sticker) plugged into a Local port (also known as LAN port, one of 3-4 grouped-together ports, often with a blue label) of the old router, resulting in two networks - the first router's original network will remain, but the second router provides a second network. All devices connected to the second router are routed through VPN, but you still have the option of connecting to the first router for non-VPN internet access.
1-router setup - The new router is plugged directly into either your modem, or the internet port given to you by your internet provider. When VPN is installed to this single router, all traffic is routed through VPN.
You must complete one of those two configurations before proceeding.
Once you have flashed your router with dd-wrt - we do have some setup pages to help you with the installation of your VPN account on the router.
Setting up your StrongVPN PPTP Account with a DD-WRT Router
1.) Script Method -
How to load OpenVPN on your DD-WRT using script method
2.) SCP File Transfer Method For Windows Users -
(requires a Windows system to transfer the file over scp to the router)
(please note Mac and other OS can use this method as well, we just don't have a "how to" for it yet, you can google how to do it if you like)
Video on setting up your StrongVPN OpenVPN Account with a DD-WRT Router using SCP file transfer method