For creating a VPN u need to have the crypto map command keyed in which will define the IPSEC paramaters.
AFAIK regarding dynamic vpn its being used when you are having easy vpn server kinda config wherein your remote clients will dialin ,gets authenticated and assigned with an ip using which they can access the resources available in the central location.
Setup basically used up for mobile/remote users who got vpn clients loaded in their box.
About removing the commands usnig no statement they are 2 different CLI using the first one ur creating the dynamic map which is used for Remote Access VPNs by the mobile users using VPN clients...
second one deals in removing the access being given remote users to the inside up address..
both holds different kinda operations altogether...
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...