Thanks for your help, but the reason that I am interested in the switch is that in the network there are a lot of servers that need to be acces by the L2l and the remote VPN users. In this case I think the ASA would a bottle neck,
It depends on how much bandwidth is aggregated from our remote sites and the Internet.
Certainly if you needed 5Gbps throughput of firewall connectivity you would need a FWSM but i suspect you don't need anywhere near that. There are a number of ASA devices and the high end ones are still considerably cheaper than a 6509 solution with service modules.
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...