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Cisco Bug: CSCuo26950 - MSC-X: MC Heartbeat mechanism to avoid mc psn wrap

Last Modified

Jan 25, 2019

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.1.1.BASE 5.1.2.BASE

Description (partial)

Symptom:
CRS-X MSC FabricQ ASIC will be reset due to MC PSN Wrap asic error.

Conditions:
This can happen on MSC-X cards when there is mcast traffic directed towards them . Then there are MSC OIR events,  continuos interfaces shut/un-shut from where the mcast traffic is originated  or bursty mcast traffic .
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