I dont see how policy routing or routemaps are going to make any difference because the traffic is still getting forwarded to the same interface ie the dialer interface. Only difference is that it needs to go through the VPN. In the config attached there is an access-list which denys traffic to the vpn from going through the nat translation but for some reason this doesnt apply if there is a static nat applied.
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...