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Per-VLAN Spanning Tree Plus (PVST+)
The Dell Networking Operating System (OS) implementation of per-VLAN spanning tree plus (PVST+) is
based on the IEEE 802.1w standard spanning tree protocol, but it creates a separate spanning tree for
each VLAN configured.
NOTE: For easier command line entry, the plus (+) sign is not used at the command line.
description
Enter a description of the PVST+.
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
Version 8.3.16.1
Introduced on the MXL 10/40GbE Switch IO Module.
Related
Commands
protocol spanning-tree pvst
— enter SPANNING TREE mode on the switch.
disable
Disable PVST+ globally.
Syntax
disable
To enable PVST+, use the
no disable
command.
Defaults
Disabled.
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Per-VLAN Spanning Tree Plus (PVST+)
