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Cisco Bug: CSCtc82349 - CEF programs HW API with looped OCE chains

Last Modified

Sep 24, 2018

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(33)SXI3 12.2SY 12.2YCA

Description (partial)

Symptom:

Crash.

Conditions:

When a recursion loop forms in the FIB and the prefixes involved are labelled, then the output chain built for those prefixes is also looped. Unprotected walks of this output chain can cause a stack overflow and result in a crash.
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