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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 an Energy-Saving Mode

Configuring an Energy-Saving Mode


The device can run in the following energy-saving modes:
  • Standard mode

    Factory mode and default power saving mode.

  • Basic mode

    Components not in use are shut down or switched to the sleep mode when no services are configured or users are not online.

  • Deep mode

    Power consumption is dynamically adjusted for running services, and components not in use are shut down or switched to the sleep mode according to service requirements.

  • Standby mode

    The device enters the low power consumption mode when it does not need to provide PoE power to PDs and shuts down all the interfaces except GE0/0/13 and GE0/0/14.

  • The ALS, EEE, and port dormancy functions are disabled in standard mode by default. However, the port dormancy function is enabled by default on the ES5D21X02T01 electrical sub-card supported by the S5720EI and the ES5D21X08T00 electrical sub-card supported by the S5730HI, and cannot be disabled.

  • The ALS, EEE, and port dormancy functions are enabled by default in basic or deep mode.
  • The deep mode adds the device dormancy function based on functions of the basic mode.
  • Only the S5720-16X-PWH-LI supports the standby mode. The interfaces that have been shut down in standby mode cannot be enabled manually using a command. To enable these interfaces manually, ensure that the switch exits the standby mode.
  • Before entering the standby mode, the system forcibly saves the configuration to the configuration file that is being used by the device.
  • The configuration restoration function is not configured in the standby mode. That is, after the device restarts, the currently configured standby mode of an interface is automatically restored to the default standard mode.
  • On the S5720-16X-PWH-LI XGE0/0/1 and XGE0/0/2, installing optical modules and configuring the standby mode are mutually exclusive. That is, the two interfaces cannot have the standby mode configured after they have optical modules installed. When they work in standby mode, installing optical modules into them will restore them to the default standard mode or may even restart the device.


  1. Run system-view

    The system view is displayed.

  2. Run set power manage mode mode-id

    An energy-saving mode is configured for the device.

    By default, the standard energy-saving mode is used.


    After the energy-saving mode is set to basic or deep mode, loopback test on interfaces is disabled. Therefore, before performing a loopback test, set the energy-saving mode to standard mode.

Verifying the Configuration

  • Run the display power manage mode command to check the energy-saving mode of the device.

Updated: 2019-04-20

Document ID: EDOC1100065674

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