Spanning-Tree Commands 457
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CLI\files\Spanning-Tree.fm
DELL CONFIDENTIAL – PRELIMINARY 5/15/12 - FOR PROOF ONLY
Default Configuration
The default maximum age for IEEE Spanning Tree Protocol (STP) is 20
seconds.
Command Mode
Global Configuration mode
User Guidelines
When configuring the maximum age, the following relationships should be
maintained:
2*(Forward-Time - 1) >= Max-Age
Max-Age >= 2*(Hello-Time + 1)
Example
The following example configures the spanning-tree bridge maximum age to
10 seconds.
Console(config)#
spanning-tree max-age
10
spanning-tree priority
Use the spanning-tree priority Global Configuration mode command to
configure the device spanning-tree priority, which is used to determine which
bridge is selected as the root bridge. Use the no form of this command to
restore the default device spanning-tree priority.
Syntax
spanning-tree priority
priority
no spanning-tree priority
Parameters
priority—Specifies the bridge priority. (Range: 0–61440)
Default Configuration
The default bridge priority for IEEE Spanning Tree Protocol (STP) is 32768.