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Cisco Bug: CSCuj20356 - LogicException Assert failure occurs on SSC-5 from config change

Last Modified

Jul 21, 2016

Products (11)

  • Cisco IPS 4200 Series Sensors
  • Cisco IPS 4260 Sensor
  • Cisco IPS 4255 Sensor
  • Cisco Catalyst 6500 Series Intrusion Detection System (IDSM-2) Services Module
  • Cisco Intrusion Prevention System Network Module
  • Cisco IPS 4270-20 Sensor
  • Cisco ASA Advanced Inspection and Prevention Security Services Card
  • Cisco IPS Sensor Software Version 6.2
  • Cisco IPS 4240 Sensor
  • Cisco ASA Advanced Inspection and Prevention (AIP) Security Services Module
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Known Affected Releases

6.2(4)E4

Description (partial)

Symptom:
On and SSC-5 IPS platform, when setting Anomaly Detection (not supported on SSC-5) and adding a physical interface in the virtual sensor, the IPS produces a LogicException failure.  See example:

sensor(config)# ser analysis
sensor(config-ana)# vir vs0
sensor(config-ana-vir)# anomaly-detection 
sensor(config-ana-vir-ano)# operational-mode inactive
sensor(config-ana-vir-ano)# ex
sensor(config-ana-vir)# physical-interface  gigabitEthernet0/0 
sensor(config-ana-vir)# ex
sensor(config-ana)# ex
Apply Changes?[yes]: 
Error: editConfigDeltaAnalysisEngine :  Cid::LogicException caught - Unable to complete the requested transaction.

Conditions:
It appears from early testing that when making the AD and physical-interface changes twice consecutively, this failures will occur.

Once this failure occurs, interface changes will continue to fail.  The SSC-5 sensor must be reset to recover.
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