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Multiple Instance Spanning-Tree Operation
802.1s Multiple Spanning Tree Protocol (MSTP)
Displaying the Root History. This command displays the spanning-tree
root changes history information.
Figure 5-17. Example of Displaying the IST Root Changes History
Syntax: show spanning-tree root-history < cst | ist | msti>
cst
Displays the CST root changes history.
ist
Displays the IST root changes history.
msti
Displays the MSTI root changes history.
ProCurve(config)# show spanning-tree root-history ist
Status and Counters - IST Regional Root Changes History
MST Instance ID : 0
Root Changes Counter : 1
Current Root Bridge ID : 32768:001659-9d0f00
Root Bridge ID Date Time
------------------- -------- --------
32768:001659-9d0f00 01/02/90 00:07:23
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