XG700 User's Guide
136/266
All Rights Reserved, Copyright (C) PFU LIMITED 2005-2006
5.10.7 spanning-tree forward-time
Function
The forward delay time of Spanning Tree is the time required in each state when the ports transit to forwarding state.
The no form of is used to return to the default setup.
Prompt
xg(config)#
Command syntax
spanning-tree forward-time <4-30>
no spanning-tree forward-time
Parameter
forward-time <4-30>
Sets the forward delay time of Spanning Tree in units of seconds. Values can be set in the range of 4 to 30 seconds.
Command type
Configuration command
Default
15 seconds
Message
% Can't set forward-time.
Explanation
An unsettable value has been specified. The settable range of "forward-time" differs depending on the values of
"hello-time" and "max-age".
Solution
Set a value, which satisfies the conditions in Notes, for "forward-time".
Note
The settable range of forward delay time differs depending on the values set with the "spanning-tree hell-time"
command and the "spanning-tree max-age" command, and also must satisfy the following conditions:
2 (forward_time - 1)
≥
max_age
max_age
≥
2 (hell 1)
Example
Set the forward delay time to 17 seconds.
xg(config)# spanning-tree forward-time 17