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Cisco Catalyst Blade Switch 3120 for HP Command Reference
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Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands
spanning-tree mst priority
spanning-tree mst priority
Use the
spanning-tree mst priority
global configuration command on the switch stack or on a
standalone switch to set the switch priority for the specified spanning-tree instance. Use the
no
form of
this command to return to the default setting.
spanning-tree mst
instance-id
priority
priority
no spanning-tree mst
instance-id
priority
Syntax Description
Defaults
The default is 32768.
Command Modes
Global configuration
Command History
Examples
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 8192
You can verify your settings by entering the
show spanning-tree mst
instance-id
privileged EXEC
command.
Related Commands
instance-id
Range of spanning-tree instances. You can specify a single instance, a range of
instances separated by a hyphen, or a series of instances separated by a comma. The
range is 0 to 4094.
priority
priority
Set the switch priority for the specified spanning-tree instance. This setting affects
the likelihood that the switch is selected as the root switch. A lower value increases
the 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
Modification
12.2(40)EX1
This command was introduced.
Command
Description
show 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.