A HowTo for configuring a RV042, remember that this is for a Client connection to a Macintosh, not a Pix!) But it gives you some information about which steps you need to take to configure the Linksys:
I concur with mfreijser, I too have configured an RV042 to connect to a Pix 515. IMO the most confusing part was on the RV042 side rather than on the Pix. I've become so used to the Pix/ASA CLI that sometimes the basic Web GUI forms and menus are hard to follow on the Linksys devices.
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...