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Cisco Bug: CSCta58393 - stale mstats ptr reference in mcast route in hardware

Last Modified

May 17, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.8.0.BASE 3.9.0.BASE

Description (partial)

    mcast stats counters overflow and stats counter overflow error messages are continuously displayed from pse_driver in system logs.

    This happens when a non-reload mcast SMU is installed,  which involves the mcast PD restart. Mcast PD restart function errorneously release all mcast stats counters with mstats server. Mstats server stops retrieving and exporting the mcast stats counters from hardware, but mcast PI database and mcast route in hardware forwarding chain are still using these stats counters. Which causes the mcast stats counter overflow and pse_driver continously display the error messages.
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