Spanning Tree Commands 541
Syntax
spanning-tree
no spanning-tree
Default Configuration
Spanning-tree is enabled.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example enables spanning-tree functionality.
console(config)#spanning-tree
spanning-tree auto-portfast
Use the spanning-tree auto-portfast command to set the port to auto portfast
mode. This enables the port to become a portfast port if it does not see any
BPDUs for 3 seconds. Use the “no” form of this command to disable auto
portfast mode.
Syntax
spanning-tree auto-portfast
no spanning-tree auto-portfast
Default Configuration
Auto portfast mode is disabled by default.
Command Mode
Interface Configuration (Ethernet, Port Channel) mode
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