Yesterday one of the interfaces on my firewall started flapping causing havoc to live services. It has now resolved itself and hasn't done it again but my questions is; is this start of something and what can I do to pre-empt it happening again?
The syslog output is:
2012-07-05 14:41:15 Local4.Alert 1.*.*.* Jul 05 2012 14:41:14: %ASA-1-105005: (Primary) Lost Failover communications with mate on interface DMZ-DB
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...