Dell C9000 series, Reference Manual

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The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.2.1.1 Introduced.
Related
Commands
vlan forward-delay — changes the time interval before the system transitions to the
Forwarding state.
vlan hello-time — change the time interval between BPDUs.
vlan max-age — changes the time interval before PVST+ refreshes.
show spanning-tree pvst — displays the PVST+ configuration.
vlan forward-delay
Set the amount of time the interface waits in the Listening state and the Learning state before transitioning to
the Forwarding state.
C9000 Series
Syntax
vlan vlan-range forward-delay seconds
To return to the default setting, use the
no vlan forward-delay
command.
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 the system waits before transitioning PVST+ to the
forwarding state. The range is from 4 to 30 seconds. The default
is
15 seconds .
Per-VLAN Spanning Tree Plus (PVST+) 1652