We have a customer which has a VPN concerntrator model 3005. They have been complaining that over the last 6-7 months that connectioned from about 20 remote sites (L2L) have been running very slowly. This occurs especially when the VPNC CPU shows that it is running at 100%. As soon as this drops, it all returns to normal. However, it is intermittent and even when there are minimal active sessions the CPU goes to 100%. The VPNC has 64mb ram and the usage is a mere 30%...Can anyone explain what is going on? The remote sites are running cisco routers over broadband. Which pass through a PIX 515E (via ACL) to be authenticated on this VPNC.
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...