Configuring The Switch Priority - Cisco Catalyst 2960 Software Configuration Manual
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Also See for Catalyst 2960:
- Configuration manual (2288 pages) ,
- Command reference manual (800 pages) ,
- Hardware installation manual (108 pages)
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Chapter 17
Configuring MSTP
Configuring the Switch Priority
You can configure the switch priority and make it more likely that a standalone switch or a switch in the
stack will be chosen as the root switch.
Note
Stacking is supported only on Catalyst 2960-S switches running the LAN base image.
Exercise care when using this command. For most situations, we recommend that you use the
Note
spanning-tree mst instance-id root primary and the spanning-tree mst instance-id root secondary
global configuration commands to modify the switch priority.
Beginning in privileged EXEC mode, follow these steps to configure the switch priority. This procedure
is optional.
Command
Step 1
configure terminal
Step 2
spanning-tree mst instance-id priority priority
Step 3
end
Step 4
show spanning-tree mst instance-id
Step 5
copy running-config startup-config
To return the switch to its default setting, use the no spanning-tree mst instance-id priority global
configuration command.
OL-26520-01
Purpose
Enter global configuration mode.
Configure the switch priority.
For instance-id, 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.
For priority, the range is 0 to 61440 in increments of
•
4096; the default is 32768. The lower the number, the
more likely the switch will be chosen as the root switch.
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.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
Configuring MSTP Features
17-23
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