Dell PowerEdge M420 Reference Manual page 685

Root Port
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount
6 sec
Bridge ID
Priority
Address
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec
Interfaces
Name State
------ -------- --------- --------- ---- ----- ----------
Gi1/0/1 Enabled
Gi1/0/2 Enabled
Gi1/0/3 Enabled
Gi1/0/4 Enabled
console#show spanning-tree gigabitethernet 1/0/1
Port Gi1/0/1 Enabled
State: Forwarding
Port id: 128.1
Port Fast: No
Designated bridge Priority: 32768
Designated port id: 128.48
CST Regional Root: 80:00:00:10:18:82:1C:53
Root Guard..................................... FALSE
Loop Guard..................................... FALSE
TCN Guard...................................... FALSE
Auto Portfast.................................. TRUE
Port Up Time Since Counters Last Cleared....... 0 day 0 hr 17 min 1 sec
BPDU: sent 24, received 496
console#show spanning-tree detail
Spanning tree Enabled (BPDU flooding : Disabled) Portfast BPDU filtering
Disabled mode rstp
CST Regional Root:
Regional Root Path Cost:
ROOT ID
Priority
Address
Gi1/0/1
32768
001E.C9AA.AD1B
Prio.Nbr Cost
128.1 20000
128.2 0
128.3 0
128.4 0
80:00:00:1E:C9:AA:AD:1B
0
32768
0010.1882.1C53
Sts Role Restricted
FWD Root No
DIS Disb No
DIS Disb No
DIS Disb No
Role: Root
Port Cost: 20000
Root Protection: No
Address: 0010.1882.1C53
Designated path cost: 0
CST Port Cost: 0
Spanning Tree Commands
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