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Cisco Bug: CSCum84840 - Need sanity checks in CRS-X ucode to avoid DIV0 errors causing NPU stall

Last Modified

Aug 08, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.1.1.BASE

Description (partial)

Symptom:During link/route flaps, we randomly see packets getting dropped on CRS-X MSC (ingress or egress) with microcode drop reason as "invalid tlu_id"
Conditions:This is seen on CRS-X MSC only with XR 5.1.1 software.
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