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Configuration Guide - Device Management

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Device Management, including device status query, hardware management, Information Center Configuration, NTP, Synchronous Ethernet Configuration, Fault Management Configuration, Energy-Saving Management Configuration, Performance Management Configuration, Maintenance Assistant Configuration, and OPS Configuration.
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Configuring the Hold Time of a Clock Source After Its Signals Become Invalid

Configuring the Hold Time of a Clock Source After Its Signals Become Invalid

Context

After the signals of a clock source become invalid, the system reports the status change and triggers the clock source selection algorithm to select a clock source again only after the specified hold time is up. This prevents frequent clock source selection when clock signals become invalid temporarily.

You can set the hold time based on clock source stability on the clock synchronization network.
  • To fast trace another clock source when the current clock source becomes invalid, set a shorter hold time for the current clock source.
  • To prevent frequent clock source selection when the current clock source becomes invalid temporarily, set a longer hold time for the current clock source.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run clock source-lost holdoff-time value

    The hold time of a clock source after its signals become invalid is configured.

    By default, the hold time of a clock source after its signals become invalid is 1000 ms.

  3. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074722

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