Concept Guide

Command History

Version Description

9.9(0.0) Introduced on the FN IOM.

8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.

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 max-age — changes the time interval before PVST+ refreshes.

show spanning-tree pvst — displays the PVST+ conguration.

vlan max-age

To maintain conguration information before refreshing that information, set the time interval for the PVST+ bridge.

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 conguration information. The range is from 6 to 40 seconds. The

default is 20 seconds.

Defaults 20 seconds

Command Modes CONFIGURATION (conf-pvst)

Supported Modes Full—Switch