3com 3CRUS2475 Manuale Utente

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spanning-tree hello-time
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Default Configuration
The default forwarding time for the IEEE Spanning Tree Protocol (STP) is 
15 seconds.
Command Modes 
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 hello messages to other devices.To restore the default 
configuration, use the no form of this command.
Syntax
spanning-tree hello-time seconds
no spanning-tree hello-time
Parameters
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
Console(config)# spanning-tree forward-time 25