6.3.4.14 Time settings for the Spanning Tree protocol
spanning-tree (time settings)
Description
With this command, you configure the various time settings of the spanning tree function:
● With the forward-time option, you configure the time after which a port changes its
spanning tree status from "Blocking" to "Forwarding".
● With the hello-time option, you configure the time after which the bridge sends its
configuration frames (BPDUs).
● With the max-age option, you configure the time after which the information of the BPDUs
becomes invalid.
Requirement
You are in the Global configuration mode.
The command prompt is as follows:
cli(config)#
Syntax
Call up the command with the following parameters:
spanning-tree{forward-time<seconds(4-30)>|hello-time<seconds(1-2)>|
max-age<seconds(6-40)>}
The parameters have the following meaning:
Parameter Description Range of values / note
forward-time Keyword for the time after which a port
changes its spanning tree status from
"Blocking" to "Forwarding"
-
seconds Time after which the changeover takes
place
4 ... 30
Default: 15
hello-time Keyword for the time after which the
bridge sends its configuration BPDUs
-
seconds Time after which they are sent 1 ... 2
Default: 2
max-age Keyword for the time after which the in‐
formation of the BPDUs becomes invalid
-
seconds Maximum age of the BPDUs in seconds 6 ... 40
Default: 20
Network structures
6.3 Spanning Tree
SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Command Line Interface
Configuration Manual, 07/2017, C79000-G8976-C361-06 239
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