I have run into an issue where redundant devices devices behind an ASA that are using it as a default GW are having problems at failover when there is a MAC change on a VIP. The cisco CSS utilizes gratuitous ARPs on failover, and until the arp cache is cleared on the ASA the services will not come up. Any ideas?
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...