Multiple Instance Spanning-Tree Operation

Troubleshooting an MSTP Configuration

ProCurve(config)# show spanning-tree debug-counters instance 0

Status and Counters - CIST Common Debug Counters Information

MST Instance

ID : 0

 

 

Counter Name

 

Aggregated Value Collected From

---------------------------------

---------------- --------------

Invalid BPDUs

 

0

Ports

Errant BPDUs

 

172603

Ports

MST Config Error BPDUs

0

Ports

Looped-back BPDUs

0

Ports

Starved BPDUs

Age BPDUs

0

Ports

Exceeded Max

0

Ports

Exceeded Max

Hops BPDUs

0

Ports

Topology Changes Detected

1

Ports

Topology Changes Tx

3

Ports

Topology Changes Rx

2

Ports

Topology Change ACKs Tx

0

Ports

Topology Change ACKs Rx

0

Ports

TCN BPDUs Tx

 

0

Ports

TCN BPDUs Rx

 

0

Ports

CFG BPDUs Tx

 

0

Ports

CFG BPDUs Rx

 

0

Ports

RST BPDUs Tx

 

0

Ports

RST BPDUs Rx

 

0

Ports

MST BPDUs Tx

 

5

Ports

MST BPDUs Rx

 

172577

Ports

Figure 4-26. Example of show spanning-tree debug-counters instance Command Output for All Ports in the CIST Instance

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