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NE20E-S2 V800R010C10SPC500 Configuration Guide - System Management 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - System Management
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(Optional) Configuring the Broadcast Mode

(Optional) Configuring the Broadcast Mode

The NTP broadcast mode can be configured on a LAN to synchronize clocks on the LAN.

Procedure

  • Configure an NTP broadcast server.
    1. Run system-view

      The system view is displayed.

    2. Run ntp-service authentication-keyid key-id authentication-mode { md5 | hmac-sha256 } { password | [ cipher ] password }

      The NTP authentication key is set.

      As the HMAC-SHA256 algorithm security is higher than that of the MD5 algorithm, using the HMAC-SHA256 algorithm for NTP authentication is recommended.

    3. Run interface interface-type interface-number

      The view of the interface sending NTP broadcast messages is displayed.

    4. Run ntp-service broadcast-server [ authentication-keyid key-id | version number | port port-number ] *

      The local router is configured as an NTP broadcast server.

      The NTP broadcast server periodically sends clock-synchronization packets to the broadcast address 255.255.255.255.

      NOTE:
      The NTP broadcast server functions for a LAN only.

    5. Run commit

      The configuration is committed.

  • Configure an NTP broadcast client.
    1. Run system-view

      The system view is displayed.

    2. (Optional) Run ntp-service max-dynamic-sessions number

      The number of dynamic sessions allowed to be set up is set.

      Running the ntp-service max-dynamic-sessions command does not affect existing NTP sessions. When the number of sessions reaches the maximum number, no more sessions can be set up.

    3. Run interface interface-type interface-number

      The view of the interface receiving NTP broadcast messages is displayed.

    4. Run ntp-service broadcast-client

      The router is configured as an NTP broadcast client.

      The NTP broadcast client listens to the broadcast NTP packets sent from the server and synchronizes the local clock.

    5. Run commit

      The configuration is committed.

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Updated: 2019-01-02

Document ID: EDOC1100055400

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