D-Link DGS-1250 Series - MSTP Debug Enhancement

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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MSTP Debug Enhancement
Log Description Severity
Event Description: Used to record the event that Spanning Tree Protocol is enabled.
Log Message: Spanning Tree Protocol is enabled
Informational
Event Description: Used to record the event that Spanning Tree Protocol is disabled.
Log Message: Spanning Tree Protocol is disabled
Informational
Event Description: Used to record MSTP instance topology change event.
Log Message: Topology changed (Instance: <Instance-id>,<interface_id>,
MAC:<macaddr>)
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
interface_id: The port number that detect or receive topology change information.
macaddr: The system of bridge mac address.
Notification
Event Description: Used to record MSTP instance new root bridge selected.
Log Message: [CIST | CIST Region | MSTI Region] New Root bridge selected ([Instance:
<Instance-id>] MAC: <macaddr> Priority:<priority>)
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
macaddr: The system of bridge mac address.
priority: The bridge priority value must be divisible by 4096.
Informational
Event Description: Used to record MSTP instance new root port selected.
Log Message: New root port selected (Instance:<Instance-id>, <interface_id>)
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
interface_id: The port number that detect or receive topology change information.
Notification
Event Description: Used to record MSTP instance port state change event.
Log Message: Spanning Tree port status change (Instance:<Instance-id>, <interface_id>)
<old_status>-><new_status>
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
interface_id: The port number that detect or receive topology change information.
old status:
new status:
The port of STP state. The value may be Disable, Discarding, Learning, Forwarding
Notification
Event Description: Used to record MSTP instance port role change event.
Log Message: Spanning Tree port role change (Instance:<Instance-id>, <interface_id>)
<old_role>-><new_role>
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
Interface_id: The port number that detect or receive topology change information.
old role:
new role:
The port role of STP. The value may be DisabledPort, AlternatePort, BackupPort,
RootPort, DesignatedPort, and MasterPort.
Informational
Event Description: Use to record action to create an MST instance.
Log Message: Spanning Tree instance created (Instance:<Instance-id>)
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
Informational
Event Description: Use to record action to delete an MST instance.
Log Message: Spanning Tree instance deleted (Instance:<Instance-id>)
Parameter Description:
Instance-id: MST instance id. Instance 0 represents for default instance, CIST.
Informational
Event Description: Use to record action to change the STP version.
Log Message: Spanning Tree version change (new version:<new_version>)
Informational