Cisco VPN Monitoring like VPNTTG

I would like to see a better way to monitor Cisco VPN's.  We have hundreds of VPN's and would like to be alerted when one of the VPN's goes down.  Due to cisco changing the VPN ID every time we need the ability to use the remote IP address as the id so all historical data is saved by Orion.   There is a product out there that does this.  The product is called VPNTTG.  I would like this same functionality in O c