Spanning-tree mst forward-time – Dell POWEREDGE M1000E User Manual

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Cisco Catalyst Blade Switch 3120 for HP Command Reference

OL-12248-03

Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands

spanning-tree mst forward-time

spanning-tree mst forward-time

Use the spanning-tree mst forward-time global configuration command on the switch stack or on a
standalone switch to set the forward-delay time for all multiple spanning-tree (MST) instances. The
forwarding time specifies how long each of the listening and learning states last before the interface
begins forwarding. Use the no form of this command to return to the default setting.

spanning-tree mst forward-time seconds

no spanning-tree mst forward-time

Syntax Description

Defaults

The default is 15 seconds.

Command Modes

Global configuration

Command History

Usage Guidelines

Changing the spanning-tree mst forward-time command affects all spanning-tree instances.

Examples

This example shows how to set the spanning-tree forwarding time to 18 seconds for all MST instances:

Switch(config)# spanning-tree mst forward-time 18

You can verify your setting by entering the show spanning-tree mst privileged EXEC command.

Related Commands

seconds

Length of the listening and learning states. The range is 4 to 30 seconds.

Release

Modification

12.2(40)EX1

This command was introduced.

Command

Description

show spanning-tree

mst

Displays MST information.

spanning-tree mst hello-time

Sets the interval between hello bridge protocol data units (BPDUs)
sent by root switch configuration messages.

spanning-tree mst max-age

Sets the interval between messages that the spanning tree receives
from the root switch.

spanning-tree mst max-hops

Sets the number of hops in a region before the BPDU is discarded.

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