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S12700 V200R013C00 Configuration Guide - Interface Management

This document describes the interface management configuration, including basic interface configuration, Ethernet interface configuration, and logical interface configuration.
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Enabling or Disabling an Interface

Enabling or Disabling an Interface

Context

After modifying parameters of an interface, run the shutdown and undo shutdown commands, or run the restart command to make the modification take effect.

If an interface is not connected to a cable or a fiber, disable the interface using the shutdown command to prevent exceptions caused by interference.

NOTE:
  • If the switch supports the autocomplete function, you must enter at least the characters shut before the switch can automatically complete the shutdown command.

  • Running the shutdown and undo shutdown commands is equivalent to running the restart command. Running the shutdown command does not modify or delete interface configurations.
  • A NULL interface is always Up and cannot be enabled or disabled by commands.
  • A loopback interface is always Up after being created and cannot be enabled or disabled by commands.

Procedure

  • Disable an interface.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run shutdown

      The interface is disabled.

      By default, an interface is enabled.

  • Enable an interface.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run undo shutdown

      The interface is enabled.

      By default, an interface is enabled.

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Updated: 2019-04-08

Document ID: EDOC1100065645

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