Thanks for your question, you shouldn't need VPN access for the hosts going from Inside to DMZ as they should be able to access without the need for VPN'ing. In case its some requirement that you guys have then there shouldn't be any issue with that. The only thing you have to make sure is that there is a translation rule avaialble for traffic to go from Inside to DMZ, you can use Static for that..
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...