From what I understnd, If you're users are using ppp for dial-in, then you will not be able to pass a domain suffix, as its not supported in ppp. You can pass ip address, dns server and wins server ip addresses but your user's will need to have the relevant dns suffix pre-configured.
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...