Single Instance:
switch# show spanning-tree active
Root Id Priority 8192
Address 00:74:24:00:01:00
Cost 2000000
Port Fa0/1
Hello Time 2 Sec, Max Age 20 Sec, Forward Delay 15 Sec
Spanning Tree Enabled Protocol RSTP
Bridge Id Priority 32768
Address 00:18:8b:bf:75:30
Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec
Name Role State Cost Prio Type
---- ---- ----- ---- ---- ------
Fa0/1 Root Forwarding 2000000 128 SharedLan
switch# show spanning-tree active detail
Spanning tree Protocol has been disabled
Bridge Identifier has priority 32768, Address 00:74:24:00:01:00
Configured Hello time 2 sec, Max Age 20 sec, Forward Delay 15
sec
Dynamic Path Cost Enabled
Number of Topology Changes 0
Time since topology Change 0 seconds ago
Transmit Hold-Count 6
Max Age 20 Sec, Forward Delay 15 Sec
Hello Time 2 Sec
Multiple Instance:
switch# show spanning-tree active switch default
Switch default
Root Id Priority 32768
Address 00:51:02:03:04:05
Cost 0
Port 0 [0]
This bridge is the root
Max age 20 Sec, forward delay 15 Sec
MST00
MST00 is executing the mstp compatible Multiple Spanning Tree
Protocol
Bridge Id Priority 32768
Address 00:51:02:03:04:05
Max age is 20 sec, forward delay is 15 sec
Name Role State Cost Prio Type
---- ---- ----- ---- ---- ------
Fa0/1 Root Forwarding 2000000 128 SharedLan