frequent VPN disconnects with "lost service" as reason
Since upgrading to 4.0.3 we now get frequent drops of multimple users (5-10 at a time) with the reason "lost service" in the RADIUS logs. Most clients come in on version 3.x of the VPN client. We have also just enabled "IPSec over NAT-T" in the config. HELP!
Re: frequent VPN disconnects with "lost service" as reason
The "lost service" reason for a client disconnect could be caused by several different issues but basically it pertains
to a layer one problem that was encountered. It could be an ISP loss of service, or an IP address change, or even a client PC freezing up or a hard reboot while the client was connected. This is an informational message and there really isn't much you can do (at least on the server end) to keep it from happening.I would try and find out all the details about what he/she is seeing on their end. Is their PC freezing up? Do they ever just power cycle their PC while connected to the VPN? What type of
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...