ASA 5540's configured for active/passive failover.
Primary loses connectivity, failover occurs, Secondary is now active.
To the untrained eye, how can you tell which device is the Primary?
If the outage was from something other than a hardware or physical link failure, say the VLAN changed on the port that the Primary is on, but the connection is still up... link lights would show, power would show, etc.
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...