Absolutely the firewall needs to parse through all of these lines. If there are huge number of ACE then, as soon as you load that config memory consumption will be high and in case of the FWSM there are a few known issues relating to CPU spikes due to acl compilation. It is always a good idea to have your highest hit ACE in the top of the list.
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...