i haven't implemented a site to site VPN before.i have a cisco pix 506E and the cisco pix firewall version is 6.1(2).Can you pls suggest what are the requirements to implement a site to site vpn.
what connectivity should i choose to implement a site to site vpn.a Leased Line .?i have a cisco 3640 router with ios Version 12.0(4)T.Will i able to implement a site to site vpn this router.i hope this version of IOS doesnt support vpn.Is there any VPN hardware for this router...pls suggest...i have no idea abt VPN.
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...
[toc:faq]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 and UDP are I...