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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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show spanning-tree pvst

View the Per-VLAN spanning tree configuration.

Syntax show spanning-tree pvst [vlan vlan-id] [brief] [guard]
Parameters
vlan vlan-id (OPTIONAL) Enter the keyword vlan then the VLAN ID. The range is 1 to 4094.
brief (OPTIONAL) Enter the keyword brief to view a synopsis of the PVST+ configuration information.
interface (OPTIONAL) Enter one of the interface keywords along with the slot/port information:
  • For a Port Channel interface, enter the keyword port-channel then a number: The range is from 1 to 128.
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port information.
guard (OPTIONAL) Enter the keyword guard to display the type of guard enabled on a PVST interface and the current port state.
Defaults none
Command Modes
  • EXEC
  • EXEC Privilege
Supported Modes Full—Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information The following describes the show spanning-tree pvst command shown in the following examples.
Field Description
Interface Name PVST interface.
Instance PVST instance.
Sts Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS), blocking (BLK), or shut down (EDS Shut).
Guard Type Type of STP guard configured (Root, Loop, or BPDU guard).
Bpdu Filter

Yes - Bpdu filter Enabled

No - Bpdu filter Disabled
Example (Brief) 
Dell# show spanning-tree pvst vlan 2 brief
                                             VLAN 2
                                             Executing IEEE compatible Spanning Tree Protocol
                                             Root ID Priority 32768, Address 001e.c9f1.00f3
                                             Root Bridge hello time 2, max age 20, forward delay 15
                                             Bridge ID Priority 32768, Address 001e.c9f1.00f3
                                             We are the root of Vlan 2
                                             Configured hello time 2, max age 20, forward delay 15
                                             Bpdu filter disabled globally
                                             
                                             Interface                             Designated
                                             Name    PortID  Prio Cost  Sts  Cost Bridge ID             PortID
                                             ---------- -------- ---- ------- --- ------- ---------------------
                                             Po 23   128.24  128  1600  FWD  0    32768 001e.c9f1.00f3  128.24
                                             Te 0/10 128.450 128  2000  DIS  0    32768 001e.c9f1.00f3  128.450
                                             Te 0/11 128.459 128  2000  FWD  0    32768 001e.c9f1.00f3  128.459
                                             
                                             Interface                                            Bpdu
                                             Name      Role  PortID  Prio Cost  Sts  Cost Link-type Edge Filter
                                             ---------- ------ -------- ---- ------- --- -------- ---- ------
                                             Po 23     Desg  128.24  128  1600  FWD  0    P2P      No    No
                                             Te 0/11   Dis   128.450 128  2000  DIS  0    P2P      No    No
                                             Te 0/12   Desg  128.459 128  2000  FWD  0    P2P      No    No
                                             Dell#
Example 
Dell#show spanning-tree pvst vlan 2
                                             VLAN 2
                                             Root Identifier has priority 32768, Address 001e.c9f1.00f3
                                             Root Bridge hello time 2, max age 20, forward delay 15
                                             Bridge Identifier has priority 32768, Address 001e.c9f1.00f3
                                             Configured hello time 2, max age 20, forward delay 15
                                             Bpdu filter disabled globally
                                             We are the root of VLAN 2
                                             Current root has priority 32768, Address 001e.c9f1.00f3
                                             Number of topology changes 0, last change occurred 3d1h ago on
                                             
                                             Port 24 (Port-channel 23) is designated Discarding
                                             Port path cost 1600, Port priority 128, Port Identifier 128.24
                                             Designated root has priority 32768, address 001e.c9f1.00:f3
                                             Designated bridge has priority 32768, address 001e.c9f1.00:f3
                                             Designated port id is 128.24 , designated path cost 0
                                             Number of transitions to forwarding state 0
                                             BPDU sent 8, received 0
                                             The port is not in the Edge port mode, bpdu filter is disabled
                                             
                                             Port 450 (TenGigabitEthernet 0/1) is disabled Discarding
                                             Port path cost 2000, Port priority 128, Port Identifier 128.450
                                             Designated root has priority 32768, address 001e.c9f1.00:f3
                                             Designated bridge has priority 32768, address 001e.c9f1.00:f3
                                             Designated port id is 128.450 , designated path cost 0
                                             Number of transitions to forwarding state 0
                                             BPDU sent 0, received 0
                                             The port is not in the Edge port mode, bpdu filter is disabled
                                             
                                             Port 459 (TenGigabitEthernet 0/5) is designated Forwarding
                                             Port path cost 2000, Port priority 128, Port Identifier 128.459
                                             Designated root has priority 32768, address 001e.c9f1.00:f3
                                             Designated bridge has priority 32768, address 001e.c9f1.00:f3
                                             Designated port id is 128.459 , designated path cost 0
                                             Number of transitions to forwarding state 1
                                             BPDU sent 16, received 0
                                             The port is not in the Edge port mode, bpdu filter is disabled
Example (EDS/LBK) 
Dell#show spanning-tree pvst vlan 2 interface gigabitethernet 1/0
                                             
                                             
                                             TenGigabitEthernet 0/1 of VLAN 2 is LBK_INC discarding
                                             
                                             Edge port:no (default) port guard :none (default)
                                             Link type: point-to-point (auto) bpdu filter:disable (default)
                                             Bpdu guard :disable (default)
                                             Bpdus sent 152, received 27562
                                             
                                             Interface Designated
                                             Name    PortID   Prio Cost  Sts Cost Bridge ID       PortID
                                             -----------------------------------------------------------
                                             Te 0/2  128.1223 128  20000 EDS 0 32768 0001.e800.a12b 128.1223
Example (EDS/PVID) 
Dell#show spanning-tree pvst vlan 2 interface gigabitethernet 1/0
                                             
                                             
                                             TenGigabitEthernet 1/0 of VLAN 2 is PVID_INC discarding
                                             
                                             Edge port:no (default) port guard :none (default)
                                             Link type: point-to-point (auto) bpdu filter:disable (default)
                                             Bpdu guard :disable (default)
                                             Bpdus sent 1, received 0
                                             
                                             Interface Designated
                                             Name   PortID   Prio Cost  Sts Cost Bridge ID       PortID
                                             ---------------------------------------------------------
                                             Te 0/6 128.1223 128 20000 EDS 0 32768 0001.e800.a12b 128.1223
Example (Guard) 
Dell#show spanning-tree pvst vlan 5 guard
                                             
                                             Interface
                                             Name       Instance Sts       Guard type Bpdu Filter
                                             --------- -------- --------- ---------- -----------
                                             Te 0/1 0      INCON(Root) Rootguard   No
                                             Te 0/2 0      FWD         Loopguard   No
                                             Te 0/3 0      EDS(Shut)   Bpduguard   No
Related Commands

spanning-tree pvst — configure PVST+ on an interface.

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