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vlan forward-delay — changes the time interval before Dell Networking OS
transitions to the forwarding state.
vlan max-age — changes the time interval before PVST+ refreshes.
show spanning-tree pvst — displays the PVST+ configuration.
vlan max-age
To maintain configuration information before refreshing that information, set the time interval for the
PVST+ bridge.
S4820T
Syntax
vlan vlan-range max-age seconds
To return to the default, use the no vlan max-age command.
Parameters
vlan vlan-range Enter the keyword vlan then the VLAN numbers. The range
is from 1 to 4094.
max-age
seconds
Enter the keywords max-age then the time interval, in
seconds, that Dell Networking OS waits before refreshing
configuration information. The range is from 6 to 40
seconds. The default is
20 seconds.
Defaults 20 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 Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
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.
Per-VLAN Spanning Tree Plus (PVST+)
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