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Configuration Guide - Device Management

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, monitoring interface, OPS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Configuring G.8275.1 on an Interface

Configuring G.8275.1 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 delay-mechanism delay

    The delay measurement mechanism is configured as delay.

    By default, no delay measurement mechanism is configured for interfaces.

  4. Run ptp notslave disable

    The G.8275.1 interface is configured to work in slave state.

  5. Run ptp enable

    PTP is enabled on the interface.

    By default, PTP is not enabled on an interface.

  6. (Optional) Run ptp announce-drop enable

    The interface of the G.8275.1 device is configured to discard the received Announce messages.

    By default, an interface does not discard 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.

  7. (Optional) Run ptp asymmetry-correction { positive | negative } asymmetry-correction

    The asymmetric correction time for sending G.8275.1 messages on the interface is set.

  8. (Optional) Run ptp clock-step { one-step | two-step }

    The mode in which the G.8275.1 device timestamps G.8275.1 messages to perform clock synchronization is configured.

    By default, G.8275.1 messages are timestamped in one-step mode.

  9. (Optional) Run ptp local-priority local-priority-value

    A local priority is configured for the G.8275.1 interface.

    By default, the local priority of a G.8275.1 interface is 128. If multiple clock sources participate in clock source selection, clock source switching can be achieved through the local priorities configured for interfaces.

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Updated: 2019-04-20

Document ID: EDOC1100065674

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