Multiple Instance Spanning-Tree Operation

Troubleshooting an MSTP Configuration

ProCurve(config)# show spanning-tree debug-counters instance 0 ports a15

Status and Counters - CIST Port(s) Debug Counters Information

MST Instance

ID : 0

 

 

Port : A15

 

 

 

Counter Name

 

Value

Last Updated

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

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

Invalid BPDUs

 

0

 

Errant BPDUs

 

0

 

MST Config Error BPDUs

0

 

Looped-back BPDUs

0

 

Starved BPDUs

Age BPDUs

0

 

Exceeded Max

0

 

Exceeded Max

Hops BPDUs

0

02/09/07 17:40:59

Topology Changes Detected

1

Topology Changes Tx

3

02/09/07 17:41:03

Topology Changes Rx

2

02/09/07 17:41:01

Topology Change ACKs Tx

0

 

Topology Change ACKs Rx

0

 

TCN BPDUs Tx

 

0

 

TCN BPDUs Rx

 

0

 

CFG BPDUs Tx

 

0

 

CFG BPDUs Rx

 

0

 

RST BPDUs Tx

 

0

 

RST BPDUs Rx

 

0

02/09/07 17:41:03

MST BPDUs Tx

 

5

MST BPDUs Rx

 

173540

02/13/07 18:05:34

Figure 4-27. Example of show spanning-tree debug-counters instance ports Command Output for One Port in the CIST Instance

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