In my opinion, this could also indicate hardware issue e.g. memory or flash corrupted. However, the best things now is to reseat the memory card and flash card, and upgrade to the latest software version.
Should this happen again, then it's best to replace the hardware. Opening a Cisco TAC case is another option to speed up the investigation process.
Ramraj Sivagnanam Sivajanam
Technical Specialist/Service Delivery Manager – Managed Service Department
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...