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Log Reference

AR500, AR510, and AR530 V200R007

This document supports all the logs of device, including the parameters, meaning, possible causes and solution.
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NTP/4/STRATUM_CHANGE:System stratum changes from [string] to [string] after clock update.


The stratum of the source reference clock is changed.


Parameter Name Parameter Meaning
[string] Indicates the stratum of the system before clock update.
[string] Indicates the stratum of the system after clock update.

Possible Causes

1:The system had just selected the source reference clock.

2:The switchover of source reference clocks was performed during clock synchronization.


  1. This log message is informational only, and no action is required.
Updated: 2019-05-29

Document ID: EDOC1000097294

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