Single Instance:
switch# show spanning-tree
Root Id Priority 32768
Address 00:18:8b:bf:75:30
Cost 0
Port 0 [0]
This bridge is the root
Max age 20 Sec, forward delay 15 Sec
Spanning tree Protocol Enabled
Bridge Id Priority 32768
Address 00:18:8b:bf:75:30
Hello Time 2 sec, Max Age 20 sec, Forward Delay
15 sec
Dynamic Path Cost is Enabled
Name Role State Cost Prio Type
---- ---- ----- ---- ---- ------
Fa0/1 Designated Forwarding 200000 128 SharedLan
Fa0/2 Designated Forwarding 200000 128 SharedLan
Fa0/3 Designated Forwarding 200000 128 SharedLan
Fa0/4 Disabled Discarding 200000 128 SharedLan
switch# show spanning-tree summary
Spanning Tree port pathcost method is Long
Spanning tree enabled protocol is RSTP
RSTP Port Roles and States
Port-Index Port-Role Port-State Port-Status
---------- --------- ---------- -----------
1 Disabled Discarding Enabled
2 Disabled Discarding Enabled
3 Disabled Discarding Enabled
4 Root Forwarding Enabled
switch# show spanning-tree blockedports
Blocked Interfaces List:
The Number of Blocked Ports in the system is :1
switch# show spanning-tree pathcost method
Spanning Tree port pathcost method is Long
Multiple Instance:
switch# show spanning-tree
Root Id Priority 32768
Address 00:18:8b:bf:75:30
Cost 0
Port 0 [0]
This bridge is the root
Max age 20 Sec, forward delay 15 Sec
MST00
Spanning tree Protocol Enabled