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Configuration Guide - Interface Management

CloudEngine 12800 and 12800E V200R003C00

This document describes the interface management configuration, including basic interface configuration, Ethernet interface configuration, and logical interface configuration.

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Configuring the Delay in Reporting an Interface Up Event

Configuring the Delay in Reporting an Interface Up Event


The physical status of an Ethernet interface can be Up or Down. When the interface physical status changes, the system notifies upper-layer protocol modules (such as the routing and forwarding modules) of the change to direct packet receiving and forwarding. The system also automatically generates traps and logs to remind users to perform corresponding operations on physical links.

After the device restarts or a card resets, the physical status of interfaces is Up. However, the upper-layer protocol modules do not meet forwarding requirements. If an interface receives service packets and sends the packets to the upper-layer protocol modules. The services cannot run properly because the upper-layer protocol modules cannot process the service packets. You can run the set up-delay command to set the delay after which the interface goes Up. The interface then becomes physically Up after the upper-layer protocol modules meet forwarding requirements, ensuring that packets can be processed.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run set up-delay value

    The delay after which an interface goes Up is set.

    By default, the delay after which an interface goes Up is 0 seconds.


    If the delay in reporting the interface Up status does not expire on an interface, and the set up-delay command is run to change the delay or the interface restarts, the original delay becomes invalid. Therefore, change the delay when the interface works properly.

  4. Run commit

    The configuration is committed.

Verifying the Configuration

Run the display interface [ interface-type [ interface-number ] ] command in any view or run the display this interface command in the interface view within the delay to check the current running status of the interface. For details, check the current state field in the command output.

Updated: 2019-05-05

Document ID: EDOC1100004195

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