2-733Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsspanning-tree mst priorityspanning-tree mst priorityUse the spanning-tree mst priority global configuration command on the switch stack or on astandalone switch to set the switch priority for the specified spanning-tree instance. Use the no form ofthis command to return to the default setting.spanning-tree mst instance-id priority priorityno spanning-tree mst instance-id prioritySyntax DescriptionDefaults The default is 32768.Command Modes Global configurationCommand HistoryExamples This example shows how to set the spanning-tree priority to 8192 for multiple spanning-tree instances(MST) 20 to 21:Switch(config)# spanning-tree mst 20-21 priority 8192You can verify your settings by entering the show spanning-tree mst instance-id privileged EXECcommand.Related Commandsinstance-id Range of spanning-tree instances. You can specify a single instance, a range ofinstances separated by a hyphen, or a series of instances separated by a comma. Therange is 0 to 4094.priority priority Set the switch priority for the specified spanning-tree instance. This setting affectsthe likelihood that the switch is selected as the root switch. A lower value increasesthe probability that the switch is selected as the root switch.The range is 0 to 61440 in increments of 4096. Valid priority values are 0, 4096,8192, 12288, 16384, 20480, 24576, 28672, 32768, 36864, 40960, 45056, 49152,53248, 57344, and 61440. All other values are rejected.Release Modification12.2(40)EX1 This command was introduced.Command Descriptionshow spanning-tree mst instance-id Displays MST information for the specified interface.spanning-tree mst cost Sets the path cost for MST calculations.spanning-tree mst port-priority Configures an interface priority.
