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Multiple Instance Spanning-Tree Operation
Displaying MSTP Statistics and Configuration
Displaying Status for a Specific MST Instance
The following commands display the MSTP statistics for a specified MST
instance.
Figure 3-22. Example of MSTP Statistics for a Specific Instance on an MSTP Switch
Syntax: show spanning-tree instance < ist | 1..16 >
This command displays the MSTP statistics for either the IST
instance or a numbered MST instance running on the switch.
Syntax: show spanning-tree instance < ist | 1..16 > detail
This command displays status on all active ports for a specific
instance of MSTP.
Syntax: show spanning-tree < port-list > instance < ist | 1..16 > detail
This command displays detailed status for the designated
port(s) for a specific instance of MSTP.
HP Switch(config)# show spanning-tree instance 11
MST Instance Information
Instance ID : 11
Mapped VLANs : 111,300
Switch Priority : 32768
Topology Change Count : 2
Time Since Last Change : 4 mins
Regional Root MAC Address : 1cc1de-cfbc80
Regional Root Priority : 32768
Regional Root Path Cost : 400000
Regional Root Port : This switch is root
Remaining Hops : 20
Designated
Port Type Cost Priority Role State Bridge
----- --------- --------- -------- ---------- ---------- -------------
1 10/100TX 200000 128 Root Forwarding 1cc1de-cfbc80
2 10/100TX 200000 128 Designated Forwarding 1cc1de-02a700
3 10/100TX Auto 112 Designated Forwarding 1cc1de-02a700
4 10/100TX Auto 128 Disabled Disabled
. . . . . .
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