Diagnostics
12.3 Loop detection
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
790 Configuration Manual, 11/2015, C79000-G8976-C252-10
Commands in the Interface Configuration mode
This section describes commands that you can call up in the interface configuration mode.
Depending on the Interface selected, various command sets are available.
In the Global configuration mode, enter the
interface command to change to this mode.
Commands relating to other topics that can be called in the interface configuration mode can
be found in the relevant sections.
● If you exit the Interface configuration mode with the
exit command, you return to the
Global configuration mode.
● If you exit the Interface configuration mode with the
end command, you return to the
Privileged EXEC mode.
loopd {blocked | forwarder | sender}
Description
With this command you specify how the port handles loop detection frames.
● Loop detection is enabled
● A Spanning Tree port, ring port or standby port cannot be the sender port.
● You are in the Interface configuration mode.
The command prompt is:
cli(config-if-$$$)#
Call up the command with the following parameters:
loopd {blocked | forwarder | sender}
The parameters have the following meaning:
The forwarding of loop detection
-
Loop detection frames from other de-
Default after enabling loop detec-
Loop detection frames are sent out and
forwarded.
-
If you do not select any parameters from the parameter list, the default value is used.
It has been configured how the port handles loop detection frames.