I've a problem with my ASA5520 since last week I've to restart the appliance in order to start working. The appliance stop working without management access and only way to get into it again is by doing a restart.
In logging I've found a lot of logging related to:
%ASA-2-321006: System Memory usage reached 87%
%ASA-3-211001: Memory allocation Error"
when this event is logged the appliance stop respondig
I've a Active/Standby with ASA5520 software version is 9.0(3)
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...