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Cisco Bug: CSCvu06271 - Randomly, observe high phase-alignment accuracy while switching to long-distance GM

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases


Description (partial)

PTP servo moves from PHASE-LOCK to FREQ-LOCK state when switching between a nearby and a far (~10-30km) grandmaster.

The problem is seen with 8275.1 T-BC/T-TSC profile.
There is a significant difference in distance of a nearby and far grandmaster (of the order of 10 or more km)
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