Owner's Manual

372 Spanning-Tree Commands
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spanning-tree priority
The spanning-tree priority global configuration command configures 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 in steps of 4096)
Default Configuration
The default bridge priority for IEEE STP is 32768.
Command Modes
Global Configuration mode
User Guidelines
The lower the priority, the more likely the bridge is to be the Root Bridge.
Example
The following example configures spanning-tree priority to 12288.
spanning-tree disable
The spanning-tree disable interface configuration command disables spanning-tree on a specific
port. To enable spanning-tree on a port use, the
no form of this command.
Syntax
spanning-tree disable
no spanning-tree disable
Default Configuration
By default, all ports are enabled for spanning-tree.
Command Modes
Interface Configuration (Ethernet, port-channel) mode
User Guidelines
There are no user guidelines for this command.
Console(config)# spanning-tree priority 12288