I have a 2901 router on one site and an 857 on the other site. Both are configured with IPSec VPN. The problem I'm having is that after some time the VPN seems to go down. When I "show crypto session" it shows that the router is negotiating...on both ends. This doesn't complete and I have to reload the 2901 router for the VPN to be re established.
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...