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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/PORT_STATE_FORWARDING: The port has been set to forwarding state. (InstanceID=[InstanceID], PortIndex=[PortIndex], IfIndex=[IfIndex], PortName=[PortName], PwName=[PwName])


The port entered the forwarding state.


Parameter Name Parameter Meaning
InstanceID Indicates the instance ID.
PortIndex Indicates the interface ID.
IfIndex Indicates the interface index.
PortName Indicates the port name.
PwName Indicates the PW name.

Possible Causes

The network topology changed.


  • The network topology changed.
    1. View physical devices on the network to check whether a new physical link that has STP enabled is added.

      • If a new physical link that has STP enabled is added, go to Step 2.
      • If no new physical link that has STP enabled is added, go to Step 3.

    2. Check whether the added physical link is necessary.

      • If the added physical link is necessary, go to Step 3.
      • If the added physical link is unnecessary, go to Step 4.

    3. Run the display stp [ process process-id ] [ instance instance-id ] [ interface interface-type interface-number | slot slot-id ] [ brief ] command to check whether the interfaces are consistent with the STP calculation results.

      • If the interfaces are consistent with the STP calculation results, the alarm will be cleared.
      • If the interfaces are inconsistent with the STP calculation results, go to Step 5.

    4. Correctly deploy the network topology, and then check whether the alarm is cleared. If the alarm persists, go to Step 5.
    5. Collect trap, log, and configuration information, and contact technical support personnel.
Updated: 2019-04-20

Document ID: EDOC1100039602

Views: 178800

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