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Multiple Instance Spanning-Tree Operation
Displaying MSTP Statistics and Configuration
Displaying Detailed Port Information
The following commands display the MSTP statistics for the connections 
between MST regions in a network.
.
Figure 3-21. Example of CST Port Information using Show Spanning Tree Detail Command
Note This command gives information about the CST only. To view details of 
specific MST Instances, use the show spanning tree instance commands.
Syntax: show spanning-tree detail
This command displays  additional parameters concerning 
the common spanning tree (CST) ports.
Syntax: show spanning-tree < port-list > detail
This command displays detailed spanning-tree status for the 
designated port(s).
HP Switch# show spanning-tree a9 detail
 Status and Counters - CST Port(s) Detailed Information
  Port                      : A9
  Status                    : Up
  BPDU Filtering            : Yes
  Errant BPUDUs received    : 65
  MST Region Boundary       : Yes
  External Path Cost        : 200000
  External Root Path Cost   : 420021
  Administrative Hello Time : Use Global
  Operational Hello Time    : 2
  AdminEdgePort             : No
  OperEdgePort              : No
  AdminPointToPointMAC      : Force-True
  OperPointToPointMAC       : Yes
  Aged BPDUs Count          : 0
  Loop-back BPDUs Count     : 0
  TC ACK Flag Transmitted   : 0
  TC ACK Flag Received      : 0
  MST        MST        CFG        CFG        TCN        TCN
  BPDUs Tx   BPDUs Rx   BPDUs Tx   BPDUs Rx   BPDUs Tx   BPDUs Rx
  ---------- ---------- ---------- ---------- ---------- ----------
  8          28         0          0          0          0
Gives information concerning the 
Common Spanning Tree (CST) only. 
Use the show spanning-tree instance 
commands to view counters 
pertaining to particular IST instances.