Spanning-Tree Commands 349
User Guidelines
• When configuring the Forward-Time the following relationship should be kept:
– 2*(Forward-Time - 1) >= Max-Age
Example
The following example configures spanning-tree bridge forward 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 switch Broadcasts hello messages to other switches. Use the no
form of this command to reset the default hello time.
Syntax
•
spanning-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 Modes
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
5400_CLI.book Page 349 Wednesday, December 17, 2008 4:33 PM
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