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AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Ethernet Switching

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Configuring BPDU Protection on a Switching Device

Configuring BPDU Protection on a Switching Device

Procedure

  1. Run system-view

    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.
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Updated: 2019-05-17

Document ID: EDOC1000174108

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