The initial 15 seconds detection time can be reduced to 3 seconds, by tuning failover polltime and holdtime to the following:
"failover polltime unit 1 holdtime 3"
Also keep in mind after switchover new active will establish nbr relation with nbr router. At any point of time standby does not participate in OSPF process. so in short new active have to re-establish adjacencies.
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...