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Cisco Bug: CSCul00697 - ASA drops traffic in fail-close mode during SSM config change

Last Modified

Jul 21, 2016

Products (17)

  • Cisco IPS 4200 Series Sensors
  • Cisco IPS 4255 Sensor
  • Cisco ASA 5555-X IPS Security Services Processor
  • Cisco IPS 4260 Sensor
  • Cisco IPS 4345 Sensor
  • Cisco IPS 4270-20 Sensor
  • Cisco IPS 4510 Sensor
  • Cisco ASA 5525-X IPS Security Services Processor
  • Cisco ASA 5545-X IPS Security Services Processor
  • Cisco IPS 4240 Sensor
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Known Affected Releases

7.1(7)E4

Description (partial)

Symptom:
ASA drops traffic during an SSM config change.  The ASA logs will show:

... Application reloading "IPS", version "x.x.x" Config Change ...

<followed by>

... IPS card not up and fail-close mode used, dropping TCP packet from ...

Conditions:
The ASA has fail-close set and then during a Global Correlation or Signature update, or a signature tuning on an SSM running 7.1.x, the ASA will drop packets.
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Bug Details Include

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