ASA5510-Update 7.21 -> 8.21 no traffic over remote IPSec
after an update from 7.21 to 8.21 on an ASA5510 remote user can still bring up the vpn connection but there is still no connection to the LAN possible. After a downgrade i had to reenter the tunnel-group and the vpn users can still work.
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...