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Configuration Guide - Device Management

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, monitoring interface, OPS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Configuring the Retrieving Mode of a Clock Source

Configuring the Retrieving Mode of a Clock Source

Context

In automatic clock source selection mode, if a new clock source becomes available, the device determines whether to switch the clock source based on the working mode of the clock source selection algorithm. There are two working modes of clock source selection algorithm: revertive and non-revertive.
  • Revertive mode: Switching is performed if the new clock source has a higher SSM quality level. If the new clock source has the same SSM quality level but a higher priority than the old clock source, switching is also performed. In other situations, switching is not performed.
  • Non-revertive mode: Switching is performed if the new clock source has a higher SSM quality level. If the new clock source has the same SSM quality level but a higher priority than the old clock source, switching is not performed. In other situations, switching is not performed.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run clock switch { revertive | non-revertive }

    The retrieving mode is configured.

    By default, clock nodes work in revertive mode.

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Updated: 2019-04-20

Document ID: EDOC1100065674

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