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S12700 V200R010C00 Configuration Guide - Device Management

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.

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Configuring PTP on an Interface

Configuring PTP on an Interface

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The interface view is displayed.

  3. Run:

    ptp enable

    PTP is enabled on the interface.

    By default, PTP is disabled on an interface.

  4. Run:

    ptp delay-mechanism { delay | pdelay }

    A delay measurement mechanism is configured.

    By default, no delay measurement mechanism is configured for PTP ports.
    NOTE:
    Different delay measurement mechanisms are not compatible. Therefore, PTP interfaces on a link must have the same delay measure mechanism configured.

  5. (Optional) Run:

    ptp announce-drop enable

    The interface is configured to drop received Announce messages.

    By default, an interface does not drop Announce messages. Announce messages are used for PTP clock synchronization. If an interface is configured to drop Announce messages, the device cannot receive clock signals from other devices through the interface. Generally, a user-side interface is configured to drop Announce messages.

  6. (Optional) Run:

    ptp clock-step { one-step | two-step }

    The mode in which PTP devices timestamp PTP messages to perform clock synchronization is configured.

    By default, PTP messages are timestamped in one-step mode.

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Updated: 2019-12-28

Document ID: EDOC1000142080

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