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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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VBST/4/BPDUPROTECT: This edged-port [port-name] that enabled BPDU-Protection will be shutdown, because it received BPDU packet.


The edge port enabled BPDU protection received BPDUs and was shut down.


Parameter Name Parameter Meaning
[port-name] Indicates the name of edge port.

Possible Causes

The edge port received BPDUs, and BPDU protection was enabled globally.


  1. Check whether the interface is directly connected to a user terminal and can be specified as an edge port.

    • If the interface is directly connected to a user terminal and therefore can be specified as an edge port, go to Step 2.
    • If the interface is indirectly connected to a user terminal and therefore cannot be specified as an edge port, go to Step 3.

  2. Locate the source of the BPDUs on the interface and check whether the malicious attack exists.

    • If the malicious attack exists, go to Step 4.
    • If the malicious attack does not exist, go to Step 3.

  3. Run the undo stp edged-port and undo shutdown commands in the interface view to delete the configuration of the edge port and restart the interface. Then, check whether the log persists. If the log persists, go to Step 4.
  4. Collect trap, log, and configuration information, and contact technical support personnel.
Updated: 2019-08-21

Document ID: EDOC1000142069

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