Administrator Guide

Per-VLAN Spanning Tree Plus (PVST+)
The Dell EMC Networking OS implementation of per-VLAN spanning tree plus (PVST+) is based on the IEEE 802.1w standard spanning
tree protocol.
Dell EMC Networking OS supports PVST+ on the S4048 platform.
NOTE: For easier command line entry, the plus (+) sign is not used at the command line.
Topics:
• description
• disable
• extend system-id
• protocol spanning-tree pvst
• show spanning-tree pvst
• spanning-tree pvst
• spanning-tree pvst err-disable
• tc-flush-standard
• vlan bridge-priority
• vlan forward-delay
• vlan hello-time
• vlan max-age
description
Enter a description of the PVST+.
S4048
Syntax
description {description}
To remove the description, use the no description {description} command.
Parameters
description Enter a description to identify the spanning tree (80 characters maximum).
Defaults none
Command Modes SPANNING TREE PVST+ (The prompt is “config-pvst”.)
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
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1214 Per-VLAN Spanning Tree Plus (PVST+)