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Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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MSTP/4/EDGE_PORT_CHANGED:After the edge port receives a BPDU packet, the port is no longer an edge port. (InstanceID=[InstanceID], PortIndex=[PortIndex], EdgePortEnableState=[EdgePortEnableState], IfIndex=[IfIndex], PortName=[PortName], PwName=[PwName])


The edge port lost the attributes of an edge port after receiving BPDUs.


Parameter Name Parameter Meaning
InstanceID Indicates the instance ID.
PortIndex Indicates the interface ID.
EdgePortEnableState Indicates whether BPDU-guard is enabled on the edge port.
IfIndex Indicates the interface index.
PortName Indicates the port name.
PwName Indicates the PW name.

Possible Causes

The edge port received BPDUs.


  • The edge port received BPDUs.
    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 command to delete the configuration of the edge port. Then, check whether the alarm is cleared. If the alarm persists, go to Step 4.
    4. Collect trap, log, and configuration information, and contact technical support personnel.
Updated: 2019-04-20

Document ID: EDOC1100039602

Views: 134336

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