The focus of this forum is Network Management of Virtual Private Networks however there are a number of professionals online who may be able to assist you. We are always considering additional forums for such topics and I will make a note of your post.
If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center (www.cisco.com/tac) or speak with a TAC engineer.
This url might be a good place to start:
http://www.cisco.com/warp/customer/471/index.shtml#async
Should you need to, you can open a TAC case online at www.cisco.com/tac/caseopen
If anyone else in the forum has some advice, please reply to this thread.
Thank you for posting.