Siemens SCALANCE XM-400 Configuration Manual page 255

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)>|
The parameters have the following meaning:
Parameter
forward-time
seconds
hello-time
seconds
max-age
seconds
Note
Dependencies when setting the timing
If you specify the time settings for spanning tree, you need to keep to the following two rules:
• 2 * (
•
max-age
Result
The selected setting for the time is configured.
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
Configuration Manual, 06/2016, C79000-G8976-C252-11
max-age<seconds(6-40)>}
Description
Keyword for the time after which a port
changes its spanning tree status from
"Blocking" to "Forwarding"
Time after which the changeover takes
place
Keyword for the time after which the
bridge sends its configuration BPDUs
Time after which they are sent
Keyword for the time after which the
information of the BPDUs becomes
invalid
Maximum age of the BPDUs in sec-
onds
- 1) ≥
forward-time max-age
≥ 2 * ( + 1)
hello-time
Network structures
6.3 Spanning Tree
Range of values / note
-
4 ... 30
Default: 15
-
1 ... 2
Default: 2
-
6 ... 40
Default: 20
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