Administrator Guide

Parameters
vlan vlan-range Enter the keyword vlan then the VLAN numbers. The range
is from 1 to 4094.
forward-delay
seconds
Enter the keywords forward-delay then the time interval,
in seconds, that Dell Networking OS waits before
transitioning PVST+ to the forwarding state. The range is
from 4 to 30 seconds. The default is
15 seconds.
Defaults 15 seconds
Command
Modes
CONFIGURATION (conf-pvst)
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 6.2.1.1 Introduced.
Related
Commands
vlan bridge-priority — sets the bridge-priority value.
vlan hello-time — changes the time interval between BPDUs.
vlan max-age — changes the time interval before PVST+ refreshes.
show spanning-tree pvst — displays the PVST+ configuration.
vlan hello-time
Set the time interval between generation of PVST+ 7 BPDUs.
Z-Series
Syntax
vlan vlan-range hello-time seconds
To return to the default value, use the no vlan hello-time command.
1220
Per-VLAN Spanning Tree Plus (PVST+)