Network structures
6.3 Spanning Tree
SCALANCE W760/W720 to IEEE 802.11n Command Line Interface
262
Configuration Manual, 10/2015, C79000-G8976-C351-05
6.3.3.16
Time settings for the Spanning Tree protocol
spanning-tree
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
information of the BPDUs becomes
invalid
-
seconds
Maximum age of the BPDUs in sec-
onds
6 ... 40
Default: 20