CLI Guide

Version Description
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 congured (Root, Loop, or BPDU guard).
Bpdu Filter
Yes - Bpdu lter Enabled
No - Bpdu lter 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
Per-VLAN Spanning Tree Plus (PVST+) 1041