The hardware encryption module will normally offload router cpu processing. The VPN Service Adapter's 950Mbps 3DES encryption throughput means more or less it will throttle down the normal cleartext speed to 50Mbps or less, but will not drop the queue packets. This is due to the encrypt/decrypt of 3DES process which basically takes longer time compared to DES.
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...