Spanning-Tree Mst Forward-Time - Cisco Catalyst 3550 Command Reference Manual

Chapter 2 Cisco IOS Commands

spanning-tree mst forward-time

Use the spanning-tree mst forward-time global configuration command to set the forward-delay time
for all multiple spanning-tree (MST) instances. The forwarding time determines 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.
Syntax Description
seconds
Defaults
The default is 15 seconds.
Command Modes
Global configuration
Command History Release
12.1(9)EA1
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 settings by entering the show spanning-tree mst privileged EXEC command.
Related Commands Command
show spanning-tree
spanning-tree mst hello-time
spanning-tree mst max-age
spanning-tree mst max-hops
78-11195-09
spanning-tree mst forward-time seconds
no spanning-tree mst forward-time
Length of the listening and learning states. The range is 4 to 30 seconds.
Modification
This command was first introduced.
mst
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 3550 Multilayer Switch Command Reference
spanning-tree mst forward-time
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