2-726Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsspanning-tree mst forward-timespanning-tree mst forward-timeUse the spanning-tree mst forward-time global configuration command on the switch stack or on astandalone switch to set the forward-delay time for all multiple spanning-tree (MST) instances. Theforwarding time specifies how long each of the listening and learning states last before the interfacebegins forwarding. Use the no form of this command to return to the default setting.spanning-tree mst forward-time secondsno spanning-tree mst forward-timeSyntax DescriptionDefaults The default is 15 seconds.Command Modes Global configurationCommand HistoryUsage 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 18You can verify your setting by entering the show spanning-tree mst privileged EXEC command.Related Commandsseconds Length of the listening and learning states. The range is 4 to 30 seconds.Release Modification12.2(40)EX1 This command was introduced.Command Descriptionshow 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 receivesfrom the root switch.spanning-tree mst max-hops Sets the number of hops in a region before the BPDU is discarded.
