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Cisco Bug: CSCvu15043 - IR1101 ZBFW blocks good traffic due to Windows Scaling Factor

Last Modified

Sep 10, 2020

Products (1)

  • Cisco 1100 Series Industrial Integrated Services Routers

Known Affected Releases

17.2.1 17.2.1r

Description (partial)

Symptom:
Traffic is not going through. When showing qfp data-plane drop stats, seeing ZBFW dropping packet due to window scaling factor.

Conditions:
IR1101 running 17.2.1 or above. ZBFW is used with inspect.
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