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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/6/RCVDTC: VBST received BPDU with TC, VBST VLAN [vlan-id], port name is [port-name].


VBST received the BPDU with a TC flag.


Parameter Name Parameter Meaning
[vlan-id] Indicates the VLAN ID.
[port-name] Indicates the port name.

Possible Causes

The network topology changed.


  1. View physical devices on the network to check whether a new physical link that has VBST enabled is added.

    • If a new physical link that has VBST enabled is added, go to Step 2.
    • If no new physical link that has VBST 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 [ vlan vlan-id ] [ interface interface-type interface-number | slot slot-id ] [ brief ] command to check whether the interfaces are consistent with the VBST calculation results.

    • If the interfaces are consistent with the VBST calculation results,, no action is required.
    • If the interfaces are inconsistent with the VBST calculation results, go to Step 5.

  4. Correctly deploy the network topology, and then check whether the log persists. If the log persists, go to Step 5.
  5. Collect trap, log, and configuration information, and contact technical support personnel.
Updated: 2019-08-21

Document ID: EDOC1000142069

Views: 576781

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