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PIX Firewall crashes in a failover setup

Core issue

The standby unit might crash upon the bootup if the invalid information is passed from the active unit in stateful update.

Resolution

Perform these steps as a workaround:

  1. Ensure that both units run exactly the same version of the software.
     
  2. Ensure that both units have the same set of interfaces.
     
  3. Reboot both units.

The problem has been resolved in PIX version 6.3(4) and 6.3(3.137).

For more information, refer to Cisco bug ID CSCee18849.

For more information on configuring failover in the PIX firewall, refer Using PIX Firewall Failover.

For more information on configuring failover in Cisco Security Appliance, refer to the Configuring Failover section of CSA command line configuration.

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