We have had an ASA put in place and we see random disconnects when going through a VPN tunnel. From packet captures it seems that the sender will send a packet that has a bad TCP checksum and then the ASA will respond automatically with a TCP RST. Is this a normal behavoir, any ideas on troubleshooting or possible changes?
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...