We have two ASA one 8.0.5 and another 8.2.5 .Now we want to upgrade the both IOS .What is best posible IOS that we can Upgrade from our current IOS . without downtime and no need to configure current confoiguration after upgrade.
I want to sure onece again that If I upgradre my ASA 8.0.5 to 8.2.5 through asa825-k8.bin ios copy from one 8.2.5 ASA is there any chance to downtime in my Current ASA 8.0.5 .As it's in production environment.
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...