Scenario: Using VPN Client 3.5.1 (B) behind a 2600 router doing NAT and IOS ver 12.2.(8)T4. Destination is a VPN 3000 concentrator. Client can authenticate and connect, but can't reach anything. Tried both no tunneling and udp tunneling... tcp tunneling isn't enabled on the 3000.
Any ideas why this won't work? Debugs reveal some packets from 3000 are being dropped, but not enough info to determine why...
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...