We're building a LAN-to-LAN IPSec VPN between a PIX and a 3015 Concentrator.
The soure LAN (behind the PIX) uses the same private IPs than the destination LAN (behind the concentrator). We thought of NATing the private addresses of the client LAN on the outside interface of the PIX (PAT). Is this address translation performed before entering the tunnel ?
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...