Dell C9000 Series Reference Manual page 1645

The peGigE ports and VP-LAG ports information is displayed as part of theshow
spanning-tree 0 command output, only when the guard option is entered.
Example (Brief)
Dell#show spanning-tree pvst vlan 3 brief
VLAN 3
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 4096, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 16384, Address 0001.e805.e306
Configured hello time 2, max age 20, forward delay 15
Interface
Name
----------------------------------------------------------
Te 1/0
Te 1/1
Te 1/16 128.146 128 20000 FWD 20000 16384 0001.e805.e306 128.146
Te 1/17 128.147 128 20000 FWD 20000 16384 0001.e805.e306 128.147
Interface
Name
-----------------------------------------------------
Te 1/0
Te 1/1
Te 1/16 Desg 128.146
Te 1/17 Desg 128.147
Example
Dell#show spanning-tree pvst vlan 2
VLAN 2
Root Identifier has priority 4096, Address 0001.e805.e306
Root Bridge hello time 2, max age 20, forward delay 15
Bridge Identifier has priority 4096, Address 0001.e805.e306
Configured hello time 2, max age 20, forward delay 15
We are the root of VLAN 2
Current root has priority 4096, Address 0001.e805.e306
Number of topology changes 3, last change occured 00:57:00
Port 130 (TenGigabitEthernet 1/0) is designated Forwarding
Port path cost 20000, Port priority 128, Port Identifier 128.130
Designated root has priority 4096, address 0001.e805.e3:06
Designated bridge has priority 4096, address 0001.e805.e3:06
Designated port id is 128.130, designated path cost 0
Number of transitions to forwarding state 1
BPDU sent 1567, received 3
The port is not in the Edge port mode
Port 131 (TenGigabitEthernet 1/1) is designated Forwarding
Port path cost 20000, Port priority 128, Port Identifier 128.131
Designated root has priority 4096, address 0001.e805.e3:06
Designated bridge has priority 4096, address 0001.e805.e3:06
Designated port id is 128.131, designated path cost 0
Number of transitions to forwarding state 1
BPDU sent 1567, received 0
The port is not in the Edge port mode
Port 146 (TenGigabitEthernet 1/16) is designated Forwarding
Port path cost 20000, Port priority 128, Port Identifier 128.146
Designated root has priority 4096, address 0001.e805.e3:06
Designated bridge has priority 4096, address 0001.e805.e3:06
Designated port id is 128.146, designated path cost 0
Number of transitions to forwarding state 1
PortID Prio Cost Sts Cost
128.130 128 20000 FWD 20000 4096 0001.e801.6aa8
128.131 128 20000 BLK 20000 4096 0001.e801.6aa8
Role PortID Prio Cost
Root 128.130 128
Altr 128.131 128
128
128
Designated
Bridge ID
Sts Cost Link-type Edge
20000 FWD 20000 P2P
20000 BLK 20000 P2P
20000 FWD 20000 P2P
20000 FWD 20000 P2P
Per-VLAN Spanning Tree Plus (PVST+)
PortID
128.426
128.427
No
No
Yes
Yes
1645