So you are saying you have "log" keyword at the end of an access-list entry. And this is causing the trouble? Yes it may cause a lot of cpu resources if there is a lot of traffic on this rule. But still you need to use SYSLOG server. You also be cautious in using such a rule for logging. This is not a bug.
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...