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NE40E-M2 V800R010C10SPC500 Configuration Guide - Interface and Data Link 01

This is NE40E-M2 V800R010C10SPC500 Configuration Guide - Interface and Data Link
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Enabling the Signal Sending Delay Function

Enabling the Signal Sending Delay Function

This section describes how to configure the signal sending delay function.

Usage Scenario

After a device is restarted or a board is replaced, if an interface sends signals immediately after initialization before the link completes a switchover or configuration restoration, data loss may occur. To prevent data loss, configure the signal sending delay function.

NOTE:
  • Only physical interfaces can be configured with signal sending delays. Logical interfaces do not support this function.
  • Configuring a signal sending delay does not affect an interface that has sent signals to the peer, and the configuration takes effect after the interface is initialized.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Perform either of the following configurations as required.
    1. Run interface interface-type interface-number

      The GE, POS, 10GE WAN or 10G LANinterface view is displayed.

    2. Run controller wdm interface-number

      The WDM interface view is displayed.

    3. Run controller cpos controller-number

      The Cpos interface view is displayed.

    4. Run controller e1 controller-number

      The CE1 interface view is displayed.

    5. Run controller e3 controller-number

      The E3 interface view is displayed.

  3. Run port-tx-enabling-delay port-tx-delay-time

    The signal sending delay function is enabled, and the signal sending delay is configured.

Checking the Configurations

Run the display port-tx-enabling-delay interface { ethernet | gigabitethernet | pos } interface-number or display port-tx-enabling-delay controller { e1 | e3 | cpos } interface-number command to check information about the signal sending delay configured on the interface.

<HUAWEI> display port-tx-enabling-delay interface gigabitethernet 0/1/0
GigabitEthernet 0/1/0 setted port-tx-enabling delay time is: 100 ms
GigabitEthernet 0/1/0 remanent time of enabling port-tx is: 20 ms

The preceding command output shows that the signal sending delay configured on GE 0/1/0 is 100 ms and that the interface sends signals in 20 ms.

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Updated: 2019-01-02

Document ID: EDOC1100058380

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