PIX-1-103001: (Primary) No response from other firewall (reason code = code).
Explanation This is a failover message. This message is logged if the primary unit is unable to communicate with the secondary unit over the failover cable. "(Primary)" can also be listed as "(Secondary)" for the Secondary unit.
Action Verify that the secondary unit has the exact same hardware, software version level, and configuration as the primary unit.
what version are you running. It seems that you have hit a bug. I have seen this issue in 6.3.3 and i had downgraded to 6.2. I dont know if it is fixed in 6.3.5 or not. You need to check with the TAC on that.
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...