Spanning-Tree Commands 359
Command Mode
Global Configuration mode.
User Guidelines
When configuring the forwarding time, the following relationship should be kept:
– 2*(Forward-Time - 1) >= Max-Age
Example
The following example configures the Spanning Tree bridge forwarding time to 25 seconds.
spanning-tree hello-time
The spanning-tree hello-time Global Configuration mode command configures the Spanning Tree
bridge hello time, which is how often the device Broadcasts Spanning Tree BPDUs to other devices. Use
the no form of this command to return to the default configuration.
Syntax
•s
panning-tree hello-time
seconds
•
no spanning-tree
hello-time
•
seconds
— Time in seconds. (Range: 1 - 10)
Default Configuration
The default hello time for IEEE Spanning Tree Protocol (STP) is 2 seconds.
Command Mode
Global Configuration mode.
User Guidelines
When configuring the hello time, the following relationship should be kept:
– Max-Age >= 2*(Hello-Time + 1)
Example
The following example configures Spanning Tree bridge hello time to 5 seconds.
Console(config)# spanning-tree forward-time 25
Console(config)# spanning-tree hello-time 5
book.book Page 359 Thursday, December 18, 2008 7:40 PM