Spanning-Tree Mst Priority - Cisco Catalyst 2950 Command Reference Manual

spanning-tree mst priority

spanning-tree mst priority
Use the spanning-tree mst priority global configuration command to set the switch priority for the
specified spanning-tree instance. Use the no form of this command to return to the default setting.
This command is available only if your switch is running the enhanced software image (EI).
Syntax Description instance-id
priority
Defaults The default is 32768.
Command Modes
Global configuration
Command History Release
12.1(9)EA1
Examples
This example shows how to set the spanning-tree priority to 8192 for multiple spanning-tree (MST)
instance 20:
Switch(config)# spanning-tree mst 20 priority 8192
You can verify your settings by entering the show spanning-tree mst instance-id privileged EXEC
command.
Related Commands Command
show spanning-tree
spanning-tree mst cost
spanning-tree mst port-priority
Catalyst 2950 Desktop Switch Command Reference
2-270
spanning-tree mst instance-id priority priority
no spanning-tree mst instance-id priority
ID associated with a spanning-tree instance. The range is 0 to 15.
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.
Modification
This command was first introduced.
mst instance-id
Description
Displays MST information for the specified interface.
Sets the path cost for MST calculations.
Configures an interface priority.
Chapter 2 Cisco IOS Commands
78-11381-05