This is kind of a tough question without knowing exactly what youre trying to accomplish. I can tell you sometimes the cheapest solution isnt the best. Exactly what do you need to encrypt (i.e. how many tunnels, network to network, PC to network, what hardware is in place now, etc.)? With a little more information I can see if I can help you out.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...