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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 Client Clock

Configuring the Client Clock


  1. Run system-view

    The system view is displayed.

  2. Run ntp-service { max-sys-poll max-sys-poll-value | spike-offset spike-offset-value | sync-interval interval } *

    The following are configured:

    • The maximum polling interval. The default interval is 217s.
    • The timestamp difference between packets sent by the clock server and received by the client. The default difference is 128 ms.
    • The interval at which synchronization of the client clock occurs. The default interval is 600 seconds.

    Only the S5720EI, S5720HI, S5730HI, S6720EI, S6720HI, and S6720S-EI support max-sys-poll max-sys-poll-value and spike-offset spike-offset-value parameters.

  3. Run ntp-service max-distance max-distance-value

    The maximum NTP synchronization distance is configured.

    By default, The maximum NTP synchronization distance is 1 second.

Verifying the Configuration

  • Run the display current-configuration | include ntp command to view NTP configuration.
Updated: 2019-04-20

Document ID: EDOC1100065674

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