Spanning-Tree Mst Forward-Time - Cisco Catalyst 3560-X Command Reference Manual

Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands

spanning-tree mst forward-time

Syntax Description
Defaults
Command Modes
Command History
Usage Guidelines
Examples
Related Commands
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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
seconds Length of the listening and learning states. The range is 4 to 30 seconds.
The default is 15 seconds.
Global configuration
Release
12.2(53)SE2
Changing the spanning-tree mst forward-time command affects all spanning-tree instances.
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.
Command
show spanning-tree mst
spanning-tree mst hello-time
spanning-tree mst max-age
spanning-tree mst max-hops
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Modification
This command was introduced.
Description
Displays MST information.
Sets the interval between hello bridge protocol data units (BPDUs)
sent by root switch configuration messages.
Sets the interval between messages that the spanning tree receives
from the root switch.
Sets the number of hops in a region before the BPDU is discarded.
Catalyst 3750-X and 3560-X Switch Command Reference
spanning-tree mst forward-time
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