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Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.

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PTP/4/hwPtpClockSourceChange: Time source changed. (hwPtpOldMasterClockId=[hwPtpOldMasterClockId],hwPtpCurrentMasterClockId=[hwPtpCurrentMasterClockId],hwPtpPortIfIndex= [hwPtpPortIfIndex], hwPtpPortOldSourcePortNum = [hwPtpPortOldSourcePortNum], hwPtpPortSourcePortNum = [hwPtpPortSourcePortNum], hwPtpOldPortName = [hwPtpOldPortName], hwPtpPortName = [hwPtpPortName])


The clock source changed.


Parameter Name Parameter Meaning


ID of the old master clock.


ID of the current master clock.


Port index of the current clock source.


Port number of the old clock source.


Port number of the current clock source.


Port name of the old clock source.


Port name of the current clock source.

Possible Causes

Cause 1: Clock attributes of the device were changed, leading to the master clock switchover.

Cause 2: The link was faulty or an interface went Down, leading to the master clock switchover.


  1. Run the display ptp all command in any view to check whether any interface is faulty.

    • If an interface is faulty, the link is faulty or the interface is Down. Go to step 3.

    • If no interface is faulty, go to step 2.

  2. Run the display this and display ptp all config commands in the interface view to check whether the clock attributes of the device and interface were changed.

    • If so, go to step 4.

    • If not, go to step 3.

  3. Collect alarm information, log information, and configuration of the device, and contact technical support.
  4. End.
Updated: 2019-04-20

Document ID: EDOC1100039602

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