Cisco WS-C3560E-48PD-SF Command Reference - Page 616
spanning-tree mst forward-time
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spanning-tree mst forward-time Chapter 2 Catalyst 3560 Switch 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 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 seconds Length of the listening and learning states. The range is 4 to 30 seconds. Defaults The default is 15 seconds. Command Modes Global configuration Command History Release 12.1(19)EA1 Modification This command was introduced. 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 Command show spanning-tree mst spanning-tree mst hello-time spanning-tree mst max-age spanning-tree mst max-hops 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. 2-584 Catalyst 3560 Switch Command Reference 78-16405-05