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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

Context

On an interface, you can enable PTP and configure the delay measurement mechanism, method to process Announce messages, and mode in which PTP messages carry timestamps.

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.
    NOTE:
    On the TC device, PTP must be enabled on the interfaces that receive and send PTP messages. Otherwise, the resident time of the device cannot be calculated correctly and only PTP messages are forwarded.

  4. (Optional) Run:

    ptp tcoc-clock-id clock-source-id { port-num port-num | slot slot-id card card-id port port-id }

    The clock source traced by an interface on the TCOC is specified.

    By default, no clock source is specified for a TCOC to trace. A TC only transmits clock signals but not synchronizes clock signals. To enable a device to synchronize one of multiple clock signals, configure the device as a TCOC and specify a clock trace for the device to trace.
    NOTE:
    This command takes effect only on a TCOC.

  5. (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: 2019-08-21

Document ID: EDOC1000142080

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