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Configuration Guide - Interface Management

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the principles and configurations of interfaces and provides configuration examples.

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Configuring an Interface Description

Configuring an Interface Description


To facilitate switch management and maintenance, you can configure interface descriptions. An interface description can contain:

  • The switch where the interface is located
  • The interface type
  • The remote device

For example, a description of To-[DeviceB]GE-0/0/1 indicates that an interface of this switch is connected to GE0/0/1 of device B.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The interface view is displayed.

  3. (Optional) To configure this function in a sub-interface view, run:

    interface interface-type interface-number.subinterface-number

    The Ethernet sub-interface view is displayed.

    • Only the S6720EI, S6720S-EI, S5720HI and S5720EI support sub-interfaces.

    • Only hybrid and trunk interfaces on the preceding switches support sub-interface configuration.
    • After you run the undo portswitch command to switch Layer 2 interfaces on the preceding series of switches into Layer 3 interfaces, you can configure sub-interfaces on the interfaces.

    • After an interface is added to an Eth-Trunk, sub-interfaces cannot be configured on the interface.

    • VLAN termination sub-interfaces cannot be created on a VCMP client.

  4. Run:

    description description

    A description is configured for the interface.

    By default, an interface has no description.

    The interface description is displayed from the first non-space character.

Updated: 2019-12-28

Document ID: EDOC1000141936

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