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Fat AP and Cloud AP V200R010C00 Command Reference

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ntp-service max-dynamic-sessions

ntp-service max-dynamic-sessions


The ntp-service max-dynamic-sessions command sets the maximum dynamic NTP sessions that can be set up.

The undo ntp-service max-dynamic-sessions command restores the maximum dynamic NTP sessions to the default value.

By default, up to 100 NTP dynamic sessions are allowed to be set up.


ntp-service max-dynamic-sessions number

undo ntp-service max-dynamic-sessions


Parameter Description Value

Indicates the number of dynamic sessions allowed to be set up.

The number of dynamic NTP sessions is an integer that ranges from 0 to 100. The default value is 100.


System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

A maximum of 128 sessions can be established on the same device running the NTP service in the same period, including static and dynamic sessions. In both unicast server/client mode and symmetric peer mode, command lines are used to establish static sessions. The dynamic sessions are established in broadcast mode.

Excessive dynamic sessions directly affect the establishment of static sessions. A user can limit the number of local dynamic sessions solve this problem.


When the number of local dynamic sessions on the device is limited,
  • NTP dynamic sessions established are not affected. That is, when the number of the dynamic sessions exceeds the limit, the dynamic sessions established are not deleted, but a new dynamic session cannot be established.
  • The limit on the number of local dynamic sessions allowed should be configured on the client because the server does not record the number of the established NTP sessions.


# Set the maximum NTP dynamic sessions allowed to be set up to 50.

<Huawei> system-view
[Huawei] ntp-service max-dynamic-sessions 50
Updated: 2019-11-21

Document ID: EDOC1100064352

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