OK, Privilege level is not read when using the vpn connection, and since the only thing you are changing of authentication method is the vpn client access and not the Console Access (SSH, TELNET CONSOLE...) you don't need to work the privilege levels at all, unless you do require that, in which case privilege levels will not be read as a normal IOS device, take a look at the following:
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...