Chapter
spanning-tree mst priority
To set the switch priority for the specified spanning-tree instance, use the spanning-tree mst priority
command in global configuration mode. To return to the default setting, use the no form of this
command.
Syntax Description
instance-id
priority
Defaults
The default is 32768.
Command Modes
Global configuration
Command History
Release
12.2(52)EY
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
Related Commands
Command
show spanning-tree mst instance-id
spanning-tree mst cost
spanning-tree mst port-priority
OL-28238-01
spanning-tree mst instance-id priority priority
no spanning-tree mst instance-id priority
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.
Sets 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.
Modification
This command was introduced.
Description
Displays MST information for the specified interface.
Sets the path cost for MST calculations.
Configures an interface priority.
Cisco ME 3800X and ME 3600X Switch Command Reference
spanning-tree mst priority
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