Diagnostics
12.3 Loop detection
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
Configuration Manual, 06/2016, C79000-G8976-C252-11
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The parameters have the following meaning:
Parameter
Description
Range of values / note
blocked
The forwarding of loop detection
frames is blocked.
-
forwarder
Loop detection frames from other de-
vices are forwarded.
Default after enabling loop detec-
tion.
sender
Loop detection frames are sent out and
forwarded.
-
If you do not select any parameters from the parameter list, the default value is used.
Result
It has been configured how the port handles loop detection frames.
Further notes
You can display the status of this function and other information with the
show loopd
command.
12.3.3.2
loopd {tx-interval | detect-threshold | reaction-timeout}
Description
With this command you configure the send interval, threshold value and reaction time for
loop detection.
Requirement
●
Loop detection is enabled
●
You are in the Interface configuration mode.
The command prompt is:
cli(config-if-$$$)#
Syntax
Call up the command with the following parameters:
loopd {tx-interval <mSec(500-5000)> | detect-threshold <integer(1-500)> | reaction-
timeout <seconds(0-86400)>}
The parameters have the following meaning:
Parameter
Description
Range of values / note
tx-interval
Keyword for the send interval
-
mSec
Specifies the send interval for loop
detection frames in milliseconds.
500 ... 5000
Default: 1000
