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show spanning-tree 
Displays bridge-level spanning tree information. 
Output Format: 
Status and Counters - Spanning Tree Information 
STP Enabled  : Yes 
Switch Priority  : 32,768 
Hello Time  : 2 
Max Age  : 20 
Forward Delay  : 15 
Topology Change Count  : 1 
Time Since Last Change : 4 mins 
Root MAC Address  : 0060b0-885a80 
Root Path Cost  : 0 
Root Port  : This switch is root 
Root Priority  : 32768 
Port  Type  Cost  Priority  State  Designated Bridge 
---- 
10/100TX  10  128  Forwarding  0060b0-885a80 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
10/100TX  10  128  Disabled 
2.10.2  Spanning Tree commands - Configuration level 
[no] spanning-tree 
Enables or disables spanning tree on the device. 
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