To my knowledge, such a thing doesn't exist. Unfortunately you'll probably have to crawl through the configuration of the concentrator and re-create manually in the ASA device. I'm facing the same issue at my location in that I want to get rid of an aging 3005 concentrator, etc.
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...