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• For a description of the items displayed under “Spanning-tree
information,” see “Configuring Global Settings” on page 3 -129. For
a description of the items displayed for specific interfaces, see
“Displaying Interface Settings” on page 3 -133.
Example
Console#show spanning-tree
Spanning-tree information
---------------------------------------------------------------
Spanning tree mode: RSTP
Spanning tree enabled/disabled: enabled
Priority: 40960
Bridge Hello Time (sec.): 2
Bridge Max Age (sec.): 20
Bridge Forward Delay (sec.): 15
Root Hello Time (sec.): 2
Root Max Age (sec.): 20
Root Forward Delay (sec.): 15
Designated Root: 32768.0.0000ABCD0000
Current root port: 1
Current root cost: 50000
Number of topology changes: 5
Last topology changes time (sec.):226
Transmission limit: 3
Path Cost Method: long
---------------------------------------------------------------
Eth 1/ 1 information
---------------------------------------------------------------
Admin status: enabled
Role: root
State: forwarding
Path cost: 100000
Priority: 128
Designated cost: 200000
Designated port: 128.24
Designated root: 32768.0.0000ABCD0000
Designated bridge: 32768.0.0030F1552000
Fast forwarding: enabled
Forward transitions: 1
Admin edge port: enabled
Oper edge port: disabled
Admin Link type: auto
Oper Link type: point-to-point
Spanning Tree Status: enabled
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Console#