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S12700 V200R012C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, and Layer 2 protocol transparent transmission.
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Configuring BPDU Protection on a Device

Configuring BPDU Protection on a Device

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run stp bpdu-protection

    BPDU protection is enabled on the device.

    By default, BPDU protection is disabled on a 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 run.
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Updated: 2019-01-18

Document ID: EDOC1100038103

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