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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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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).
Energy-Saving Management Configuration

Energy-Saving Management Configuration

Configuring ALS

Context

NOTE:

Only the interfaces XGE0/0/0 to XGE0/0/3 on the AD9431DN-24X support the ALS function.

Pre-configuration Tasks

Before configuring ALS, ensure that the link layer protocol status on the interfaces is Up.

Enabling ALS on an Interface

Context

The constraints on ALS are as follows:
  • Only optical interfaces support ALS. Electrical interfaces do not support ALS.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The interface view is displayed.

  3. Run:

    als enable

    ALS is enabled on an interface.

    By default, ALS is disabled on an interface.

(Optional) Setting the Restart Mode of the Laser

Context

After ALS is enabled, the laser is automatically shut down when a fiber is not properly installed on an interface or the connected optical link fails. However, the laser still needs to send pulses at a certain interval. When a fiber is installed on an interface or the connected optical link recovers, the laser is automatically restored to set up a connection for data communication. Therefore, you need to configure the restart mode of the laser after ALS is enabled.

The laser of an optical module works in automatic restart mode or manual restart mode.
  • Automatic restart mode

    The laser automatically sends a pulse at an interval to detect whether the link recovers.

  • Manual restart mode

    After the laser is manually started using a command, the laser sends a pulse to detect whether the optical link has recovered.

By default, a laser works in automatic restart mode.

After an optical link recovers, the laser is restarted after a certain interval if the restart mode is automatic restart. To restart the laser immediately after the optical link recovers, set the restart mode of the laser to manual restart and run the als restart command.

NOTE:

After ALS is enabled on an interface, the laser may send a pulse if the attributes (for example, auto-negotiation) of the interface is changed or the optical module of the interface is removed and then inserted.

Procedure

  • Configure the automatic restart mode.

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface interface-type interface-number

      The interface view is displayed.

    3. Run:

      undo als restart mode manual

      The laser of the optical module is configured to work in automatic restart mode.

      By default, a laser works in automatic restart mode.

  • Configure the manual restart mode.

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface interface-type interface-number

      The interface view is displayed.

    3. Run:

      als restart mode manual

      The laser of the optical module is configured to work in manual restart mode.

    4. (Optional) Run:

      als restart

      The laser of the optical module is started manually.

      In manual restart mode, after the optical fiber link recovers, you must start the laser manually. The laser then sends a pulse to detect whether the link is recovered.

      NOTE:

      This command cannot be executed on an interface if the interface has been added to an interface protection group and is in Protect state.

(Optional) Setting the ALS Pulse Interval and Width of the Laser

Context

The ALS pulse interval refers to the duration in which a laser sends pulses; the ALS pulse width refers to the period between rising edges of pulses.

A smaller pulse width and a greater pulse interval save more energy but the fiber link recovery cannot be detected immediately. You can set a proper laser pulse interval and width to ensure energy conservation, emission deduction, and timely detection of optical fiber link recovery.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The interface view is displayed.

  3. Run:

    als restart pulse-interval pulse-interval

    The ALS pulse interval of the laser is set.

    By default, the ALS pulse interval is 100s.

  4. Run:

    als restart pulse-width pulse-width

    The ALS pulse width of the laser is set.

    By default, the ALS pulse width is 2s.

Checking the Configuration

Procedure

  • Run the display als configuration slot slot-id command to check ALS configurations on all interfaces of a specified slot.
  • Run the display als configuration interface interface-type interface-number command to check ALS configuration on a specified interface.
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Updated: 2019-01-11

Document ID: EDOC1000176006

Views: 116813

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