We have a problem with a PIX Version 6.3, we have a PPTP tunnel, and the tunnel establish from one computer from the LAN to a router on the outside. The PPTP tunnel is OK but we can't ping or RDP the elements in the VPN. May be the GRE ?
We have tried from one other LAN behind an ASA5505 and it's working ! We can see the PPTP and GRE sessions from the syslog on the ASA.
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...