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Spanning-tree priority (bridge priority) – Allied Telesis AT-8100 Series User Manual

Page 816

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Chapter 55: STP Commands

816

SPANNING-TREE PRIORITY (Bridge Priority)

Syntax

spanning-tree priority

priority

Parameters

priority

Specifies a priority number for the switch.

Mode

Global Configuration mode

Description

Use this command to assign the switch a priority number. The device that
has the lowest priority number in the spanning tree domain becomes the
root bridge. If two or more devices have the same priority value, the device
with the numerically lowest MAC address becomes the root bridge.

The range is 0 to 61,440, in increments of 4,096. The priority values can
be set only in increments of 4,096. The default value is 32,768.

Use the no form of this command, NO SPANNING-TREE PRIORITY, to
reset the command to its default value of 32,768.

Confirmation Command

“SHOW SPANNING-TREE” on page 806

Example

This example sets the priority value of the switch to 8,192:

awplus> enable
awplus# configure terminal
awplus(config)# spanning-tree priority 8192