OpenSwan VPN on Amazon AWS

I am trying to create a custom VPN on an amazon VPC. I am doing this because the other end of the VPN tunnel does not support the VPN that amazon provides. I have setup linux server instance with OpenSwan installed and connected successfully to the VPN. I then need another (windows) server on the same VPC to be able to forward all traffic to a particular IP range through that VPN instead of over the internet (and receive traffic back). My model for this is: . However, I think that some routing configurations have changed since this person posted this and that I am having problems with the routing. I believe the problem is on the return traffic but am not 100% sure. If anyone has done this before or has some ideas on how to proceed / isolate the problem, please advise. Thank you.

If this is not possible I would appreciate a solution that would allow a software VPN to run in a robust way on the windows server (although it seems less reliable than a dedicated linux instance for this purpose).
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if I understand you correctly, you are trying to get secure traffic from an Amazon hosted VM to a location where you have an ASA firewall.

For a pure windows solution, I would suggest looking at L2TP over IPSec 

You might also look into using OpenVPN on each node connecting back to an OpenVPN server at the main site.

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aseismanAuthor Commented:
I've requested that this question be deleted for the following reason:

Project changed
Your project changing does not invalidate the answer.
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