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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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Limiting the Number of Local Dynamic Sessions

Limiting the Number of Local Dynamic Sessions


All basic NTP functions have been configured.


In both unicast client/server mode and symmetric peer mode, connections are established using command lines. These connections are static sessions. Dynamic sessions are established in broadcast mode and multicast mode. Configured limits on the number of local dynamic sessions are enforced.


The ntp-service max-dynamic-sessions command does not affect existing NTP sessions. When the number of local dynamic NTP sessions exceeds the limit, new sessions cannot be established.


  1. Run system-view

    The system view is displayed.

  2. Run ntp-service max-dynamic-sessions number

    The number of local dynamic sessions that can be established is configured.

    By default, a maximum of 100 NTP dynamic sessions can be established.

Verifying the Configuration

  • Run the display current-configuration | include ntp command to view the number of local dynamic sessions that can be established.
Updated: 2019-04-20

Document ID: EDOC1100065674

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