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Configuration Guide - Device Management

S7700 and S9700 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, CSS, SVF, PoE, OPS, OIDS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Enable the Permanent Holding Mode of the Clock Module

Enable the Permanent Holding Mode of the Clock Module

Context

In permanent holding mode, if all the clock sources are lost, the clock module enters the holding state and retains the original frequency offset according to the clock information previously traced.

NOTE:

Enabling the permanent holding mode is not recommended because it offers lower stability than the 24-hour holding mode.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run clock hold-for-ever

    The permanent holding mode of the clock module is enabled. That is, the clock module holds the clock information permanently after the clock source is lost.

    By default, the clock module retains the clock information for 24 hours after the clock source is lost.

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Updated: 2019-04-20

Document ID: EDOC1100065738

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