Administrator Guide

vlan max-age
To maintain configuration information before refreshing that information, set the time interval for the PVST+ bridge.
C9000 Series
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 the system
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
9.9(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 bridge-priority — sets the bridge-priority value.
vlan forward-delay — changes the time interval before the system transitions to the forwarding state.
vlan hello-time — changes the time interval between BPDUs.
show spanning-tree pvst — displays the PVST+ configuration.
1292 Per-VLAN Spanning Tree Plus (PVST+)