HP 6120XG HP ProCurve Series 6120 Blade Switches Advanced Traffic Management G - Page 168
Example of show spanning-tree root-history ist Command Output
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Multiple Instance Spanning-Tree Operation Troubleshooting an MSTP Configuration ProCurve(config)# show spanning-tree root-history cst Status and Counters - CST Root Changes History MST Instance ID : 0 Root Changes Counter : 2 Current Root Bridge ID : 32768:000883-024500 Root Bridge ID Date Time 32768:000883-024500 02/09/07 17:40:59 36864:001279-886300 02/09/07 17:40:22 Identifies the root bridge of the common spanning tree in a bridged network that connects different MST regions and STP or RSTP devices. Figure 4-22. Example of show spanning-tree root-history cst Command Output ProCurve(config)# show spanning-tree root-history ist Status and Counters - IST Regional Root Changes History MST Instance ID : 0 Root Changes Counter : 2 Current Root Bridge ID : 32768:000883-024500 Root Bridge ID Date Time 32768:000883-024500 02/09/07 17:40:59 36864:001279-886300 02/09/07 17:40:22 Identifies the root bridge of the internal spanning tree in an MST region. Figure 4-23. Example of show spanning-tree root-history ist Command Output ProCurve(config)# show spanning-tree root-history mst 2 Status and Counters - MST Instance Regional Root Changes History MST Instance ID : 2 Root Changes Counter : 2 Current Root Bridge ID : 32770:000883-024500 Root Bridge ID Date Time 32770:000883-024500 02/09/07 17:40:59 32770:001279-886300 02/09/07 17:40:22 Identifies the root bridge of an MST instance in an MST region. Figure 4-24. Example of show spanning-tree root-history msti Command Output 4-60