Siemens SCALANCE X-300 Configuration Manual page 260

Configuration using Web Based Management and Command Line Interface
4.5 The Switch menu
Loop Detection Port Configuration
Make these specific settings from individual ports on this page.
Figure 4-114 Loop Detection Port Configuration
Note
Test frames create additional network load. We recommend that you only configure
individual switches, for example at branch points of the ring, as "Sender" and the others as
"Forwarder".
Port
This box shows the number of the selected port.
Setting
Specify how the port handles loop detection frames. Select one of the following options from
the drop-down list:
● Transmitter
Loop detection frames are sent out and forwarded.
● Forwarder
Loop detection frames from other devices are forwarded.
● Blocked
The forwarding of loop detection frames is blocked.
260
Configuration Manual, 10/2014, C79000-G8976-C187-22
SCALANCE X-300 / X-400