I've been searching for a sample config for the following scenario:
VPN Client 3.5 (Dialed up to internet via modem) ---> IOS Router (Running NAT) --> Access internal resources
A remote laptop users needs to establish a IPSEC VPN connection to the head office. The remote user will be using Windows 2000 and connected to the internet via a modem. The remote users IP address is not known and will more than likely change frequently. The laptop user needs to access resources on the internal network - which is behind a NAT router.
The head office router will be running NAT between the 'real world' and internal network.
I've spent the last few days 'lost in Cisco land' - the closest I've come to are these few samples:
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...