I know you can define a backup server when you are configuring a remote client on the asa and the client download the backup server's ips. the question is if you can define the same when you are configuring a site-to-site vpn????
In my opinion if you want a failover network with VPN's the ideal way would be with a dynamic routing protocol over GRE tunnels in the VPN's. This is was I have with +100 VPN tunnels, using EIGRP, GRE tunnels and VPN's.
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...