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Configuration Guide - Interface Management

S7700 and S9700 V200R010C00

This document describes the principles and configurations of interfaces and provides configuration examples.
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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).
Configuring the Working Mode of a Combo Interface

Configuring the Working Mode of a Combo Interface

Context

A combo interface consists of a GE electrical interface and a GE optical interface on the panel. The multiplexed electrical and optical interfaces share one internal forwarding interface and cannot work at the same time. When one interface works, the other interface is disabled. You can use the electrical or optical interface based on the remote interface type. The electrical and optical interfaces share one interface view. When you enable the electrical or optical interface, configure the interface attributes (such as the rate and duplex mode) in the same interface view.

As shown in Figure 2-4, combo interface GE1/0/1 consists of an optical interface and an electrical interface on the panel. The optical and electrical interfaces cannot work concurrently. To configure the attributes of the optical or electrical interface, enter the same interface view of GE1/0/1.
Figure 2-4  Combo interface

For details about the combo interface location on the panel, see "Cards" in the Hardware Description.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface gigabitethernet interface-number

    The GE interface view is displayed.

  3. Run:

    combo-port { auto | copper | fiber }

    The working mode of the combo interface is configured.

    By default, a combo interface works in auto mode, in which the combo interface automatically works as an optical or electrical interface.

    • When the auto mode is specified, the system checks whether the combo optical interface has an optical module installed, and selects the interface working mode as follows:
      • When the electrical interface is not connected, the combo interface works as an optical interface if the combo optical interface has an optical module installed.
      • When the electrical interface is connected using a network cable and the combo interface is Up, the combo interface works as an electrical interface even if the combo optical interface has an optical module installed. However, the combo interface works as an optical interface after the device restarts.
      • When the electrical interface is connected using a network cable and the combo interface is Down, the combo interface works as an optical interface if the combo optical interface has an optical module installed.

      In summary, when the auto mode is specified and the combo optical interface has an optical module installed, the combo interface works as an optical interface after the device restarts.

    • You can forcibly specify the working mode of the combo interface based on the remote interface type. If the local combo electrical interface is connected to a remote electrical interface, configure the combo interface to work in copper mode. If the local combo optical interface is connected to a remote optical interface, configure the combo interface to work in fiber mode.

Checking the Configuration

Run the display interface [ interface-type [ interface-number ] ] command in any view or the display this interface command in the interface view to check the current interface status. Check the Port Mode field in the command output.

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Updated: 2019-04-18

Document ID: EDOC1000141901

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