Are you sure about this? Everywhere i look there is no reference to this. There are some conversations that say this cant be done and that you have to reimage. I know you can remove patches but I havent heard anything else.
Can you please check to see if this is supported? I thought that most version upgrades involved major database changes which were irreversible. So the only way to get back down from an acs 5.3 to acs 5.2 was to reimage install the last patch that my old database was on, and restore my old database.
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...