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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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TRUNK/5/BACKSTATE_CHANGE

TRUNK/5/BACKSTATE_CHANGE

Message

TRUNK/5/BACKSTATE_CHANGE:The working status of the backup trunk changed. (TrunkName=[STRING], Status=[ULONG])

Description

Status of the trunk (master or backup) in manual 1:1 master/backup mode changed.

Parameters

Parameter Name Parameter Meaning
TrunkName Name of the trunk interface
Status Status of the trunk (master or backup)

Possible Causes

1.

The main interface for forwarding data was shut down in manual 1:1 master/backup mode.

2.

The main interface for forwarding data exited the trunk in manual 1:1 master/backup mode.

3.

The backup interface for forwarding data was shut down in manual 1:1 master/backup mode.

4.

The backup interface for forwarding data exited the trunk in manual 1:1 master/backup mode.

5.

The protect-switch command was run in manual 1:1 master/backup mode to switch the active interface and inactive interface of the trunk.

Procedure

  1. When the working status of the trunk in manual 1:1 master/backup mode goes Master or Backup, the displayed log message indicates a normal situation, and no action is required.
  2. When the working status of the trunk in manual 1:1 master/backup mode goes Initial, check status the trunk member interfaces.

    • If the two member interfaces in manual 1:1 master/backup mode are backup interfaces in the Up state, configure one of the interfaces as the port-master.

    • If the two member interfaces in manual 1:1 master/backup mode are in the Down state, check whether the two member interfaces and their corresponding interface on the peer device are shut down. If yes, run the undo shutdown command on the interfaces. If not, the link is faulty and you need to replace the cable connecting to the interface.

    • If there is only one member interface in manual 1:1 master/backup mode and the member interface is a backup interface in the Up state, configure the interface as the port-master.

    • If there is only one member interface in manual 1:1 master/backup mode and the member interface is a master interface in the Down state, check whether the interface and its corresponding interface on the peer device are shut down. If yes, run the undo shutdown command on the interfaces. If not, the link is faulty and you need to replace the cable connecting to the interface.

    Collect log information and configuration information, and then contact technical support personnel.

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Updated: 2019-08-21

Document ID: EDOC1000142069

Views: 577860

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