Filter
Top Products
XG2000 series User's Guide
165/315
All Rights Reserved, Copyright (C) PFU LIMITED 2009
5.11.6 spanning-tree forward-time
Function
The forward delay time of the Spanning Tree is the time required for the ports to change to a forwarding state.
Use the no form to return to the default setup.
Prompt
xg(config)#
Command syntax
spanning-tree forward-time <4-30>
no spanning-tree forward-time
Parameter
z forward-time <4-30>
Specifies the forward delay time for the Spanning Tree in 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 was 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 this Section's Notes.
Note
z 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. The value must also satisfy the following conditions:
2 ¯ (forward_time - 1) ≥ max_age
max_age ≥ 2 ¯ (hello_time + 1)
Example
Specify the forward delay time value to 17 seconds.
xg(config)# spanning-tree forward-time 17