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Cisco Bug: CSCut53335 - FST "redirect" action causes packet loops in the nfe card.

Last Modified

Sep 03, 2018

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases

5.4.0.1

Description (partial)

Symptom:
Series 3 sensor
Unexpected Network Outages with dropped packets on the interfaces
Logs do not show any indication of an issue or no cores.  NO snort cores
Snort instances do not process traffic during the time of the outage, can be verified by looking at perf stats.
A sign that this bug exists is when interfaces that are not actually connected to anything are reporting drops.
Another potential symptom would be significant drop in Sensor ThroughPut.

Conditions:
Series 3 sensor running software version 5.4.
When a customer with Series 3 Sensor upgrades to 5.4, this can trigger this bug.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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