Parameter Description Range of values / note
primary The priority of the device is set to a low value so that the
device can become the root bridge (primary) of the Span‐
ning Tree instance. The lower the value, the higher the
priority.
The priority is set to the val‐
ue 24576.
secondary The priority of the device is set to a low value so that the
device becomes the substitute root bridge (secondary) of
the Spanning Tree instance. If the root bridge (primary)
fails, the substitute root bridge (secondary) takes over the
task of the root bridge without delay.
The priority is set to the val‐
ue 28672.
Result
The function of the device is specified.
Further notes
You disable the root bridge with the no spanning-tree mst instance-id root
command.
You display this setting and other information with the commands that start with show
spanning tree ....
6.3.4.7 no spanning-tree mst instance-id root
Description
With this command, you disable the "root bridge" function on the device.
Requirement
You are in the Global Configuration mode.
The command prompt is as follows:
cli(config)#
Syntax
Call up the command with the following parameters:
no spanning-tree mst{instance-id<instance-id(1-64)>}root
The parameters have the following meaning:
Parameter Description Range of values / note
instance-id Keyword for the instance -
instance-id Number of the instance 1 ... 64
Network structures
6.3 Spanning Tree
SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Command Line Interface
Configuration Manual, 07/2017, C79000-G8976-C361-06 233
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