A10E/A28E/A28F Configuration Guide
Instances running: 3
Digest: 0X7D28E66FDC1C693C1CC1F6B61C1431C4
Instance Vlans Mapped
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0 1,2,5-4094
3 3
4 4
Use the show spanning-tree instance 3 command to check whether basic information about
spanning tree instance 3 is correct.
Switch A
SwitchA#show spanning-tree instance 3
Spanning-tree admin state: enable
Spanning-tree protocol mode: MSTP
MST ID: 3
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BridgeId: Mac 0000.0000.0001 Priority 32768
RegionalRoot: Mac 0000.0000.0001 Priority 32768 InternalRootCost 0
PortId PortState PortRole PathCost PortPriority LinkType TrunkPort
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1 forwarding designated 200000 128 point-to-point no
2 forwarding designated 200000 128 point-to-point no
Switch B
SwitchB#show spanning-tree instance 3
Spanning-tree admin state: enable
Spanning-tree protocol mode: MSTP
MST ID: 3
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BridgeId: Mac 0000.0000.0002 Priority 32768
RegionalRoot: Mac 0000.0000.0001 Priority 32768 InternalRootCost
500000
PortId PortState PortRole PathCost PortPriority LinkType TrunkPort
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1 discarding alternate 500000 128 point-to-point no
3 forwarding root 200000 128 point-to-point no
…
Switch C
SwitchC#show spanning-tree instance 3
Spanning-tree admin state: enable
Spanning-tree protocol mode: MSTP
MST ID: 3
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