No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


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.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuring PTP on an Interface

Configuring PTP on an Interface


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.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The view of the interface on which PTP needs to be configured is displayed.

  3. Run:

    ptp delay-mechanism { delay | pdelay }

    A delay measurement mechanism is configured.

    By default, no delay measurement mechanism is configured for an OC.

    Different delay measurement mechanisms are not compatible. Therefore, PTP interfaces on a link must have the same delay measure mechanism configured.

  4. Run:

    ptp enable

    PTP is enabled on the interface.

    By default, PTP is disabled on an interface.

  5. 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.

Configuring an Interface to Drop Announce Messages

After configuring PTP on an interface, you can run the ptp announce-drop enable command on the interface to configure the interface to drop Announce messages.

Announce messages are used for PTP clock synchronization. When a user-side interface and the current PTP interface meet clock synchronization requirements, you can configure the PTP interface to drop Announce messages to retain the current master-slave hierarchy. After the interface receives Announce messages, it drops the messages and does not participate in establishing the master-slave hierarchy. This saves system resources.

By default, an interface does not drop Announce messages.
Updated: 2019-08-21

Document ID: EDOC1000142080

Views: 114049

Downloads: 149

Average rating:
This Document Applies to these Products
Related Version
Related Documents
Previous Next