Headsup: Versions 3.1 and 3.1.1 vpn client would connect, but would not transfer any data. Disconnects would occur immediately or within 30 seconds. No errors in client log or concentrator log. MTU was adjusted, IPSEC thru NAT was tried, etc...
Upgraded AT&T Worldnet dialer v3.2.1 to v3.2.2 and that resolved the problem.
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...