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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 PTP Globally

Configuring PTP Globally


If different carriers synchronize clocks with clients through the switch, configure the switch as a TCandBC. On a TCandBC, a BC interface receives clock signals from the master clock and sends the clock signals to a downstream device, and a TC interface only transmits clock signals. A TC interface on a TCandBC is responsible for forwarding PTP messages of PTP domains.


  1. Run system-view

    The system view is displayed.

  2. Run ptp enable

    PTP is enabled globally.

    By default, PTP is not enabled globally on a device.

  3. Run ptp device-type tcandbc slot slot-id

    The device type is configured as TCandBC.

    By default, no device type is configured for a PTP device.

  4. Run ptp domain domain-value

    The domain to which the BC interface of the TCandBC belongs is configured.

    By default, a PTP device belongs to domain 0.
    Devices that perform clock synchronization through PTP messages must belong to the same PTP domain.

  5. (Optional) Run ptp virtual-clock-id clock-id-value slot slot-id

    A virtual clock ID is set for the device.

    By default, no virtual clock ID is configured for a PTP device, and the system generates a clock ID based on the MAC address of the device. You can also configure a virtual clock ID to identify the device.

    When running the ptp virtual-clock-id command, ensure that the configured virtual clock ID is unique in the entire PTP domain.

Updated: 2019-04-20

Document ID: EDOC1100065674

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