Reference Guide

Parameters
vlan vlan-id (OPTIONAL) Enter the keyword vlan followed by 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 type
slot/port
(OPTIONAL) Enter the interface keyword followed by the
interface type and slot/port or number information. Valid slot
numbers are 0-11. The valid port numbers for each interface
type are listed below.
• For a 10-Gigabit Ethernet interface, enter the keyword
tengigabitethernet followed by slot/port numbers.
The port range is 0 to 63.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by slot/port numbers. The ports are
48, 52, 56, and 60.
• For a Port Channel interface, enter the keywords port-
channel
followed by a number from 1 to 128.
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
Command
History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
The following describes output from the show spanning-tree pvst command
shown in the Examples below.
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).
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 Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
----------------------------------------------------------
1094
Per-VLAN Spanning Tree Plus (PVST+)