I've got an interesting situation trying to get NAT working properly with a Cisco ASA 5510.
The Outside interface of the ASA is set as a public routable assigned to us by our ISP. Our ISP also routes several other networks (3 class C networks) to us. What I need to do is to NAT all of the IPs in these additional subnets to one single IP on the internal network.
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...