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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Configuring BPDU Protection on a Switching Device

Configuring BPDU Protection on a Switching Device


  1. Run:


    The system view is displayed.

  2. Run:

    stp bpdu-protection

    BPDU protection is enabled on the switching device.

    By default, BPDU protection is disabled on a switching device.

Follow-up Procedure

If you want an edge port to automatically recover from the error-down state, run the error-down auto-recovery cause bpdu-protection interval interval-value command in the system view to configure the auto recovery function and set a recovery delay on the port. Then a port in error-down state can automatically go Up after the delay expires. Note the following when setting the recovery delay:
  • By default, the auto recovery function is disabled; therefore, the recovery delay parameter does not have a default value. When you enable the auto recovery function, you must set a recovery delay.
  • A smaller value of interval-value indicates a shorter time taken for an edge port to go Up, and a higher frequency of Up/Down state transitions on the port.
  • A larger value of interval-value indicates a longer time taken for the edge port to go Up, and a longer service interruption time.
  • The auto recovery function takes effect only for the interfaces that transition to the error-down state after the error-down auto-recovery command is executed.
Updated: 2019-05-25

Document ID: EDOC1000097279

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