Spanning-tree priority, Syntax, Default configuration – Dell POWEREDGE M1000E User Manual

Page 706: Command mode, User guidelines, Example, Spanning-tree tcnguard

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Spanning Tree Commands

spanning-tree priority

Use the spanning-tree priority command in Global Configuration mode to

configure the spanning-tree priority. The priority value is used to determine

which bridge is elected as the root bridge. To reset the default spanning-tree

priority use the no form of this command.

Syntax

spanning-tree priority

priority

no spanning-tree priority

priority

— Priority of the bridge. (Range: 0–61440)

Default Configuration

The default bridge priority for IEEE STP is 32768.

Command Mode

Global Configuration mode

User Guidelines

The priority value must be a multiple of 4096.
The switch with the lowest priority is the root of the spanning tree.

Example

The following example configures spanning-tree priority to 12288.

console(config)#spanning-tree priority 12288

spanning-tree tcnguard

Use the spanning-tree tcnguard command to prevent a port from propagating

topology change notifications. Use the “no” form of the command to enable

TCN propagation.

Syntax

spanning-tree tcnguard
no spanning-tree tcnguard

2CSPC4.XModular-SWUM200.book Page 706 Thursday, March 10, 2011 11:18 AM

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