Just to add to this... the number *does* matter if you'd like to prefer one policy over another. Since it processes the policies sequentially and the first match is chosen, you might consider putting the strong methods first (like aes-256, aes) and something like MD5 last. The reason you see gaps in number is likely so that someone can insert a new policy in the middle without having to re-number everything.
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...