Siemens SCALANCE X-200, Operating Instructions Manual, Page: 228 / 296

Configuration / diagnostics using remote mechanisms
6.3 Configuration using Web Based Management (WBM) and Command Line Interface (CLI)
SCALANCE X-200
228
Operating Instructions, 12/2011, A5E00349864-19
Loop Detection Control
The following settings are available:
●
"Loop Detection enabled" check box
Here you can enable loop detection for this switch. If loop detection is disabled, loop
detection frames of other devices are forwarded.
● "Rx-Threshold (All Ports)" input box
Here, you can enter the number of received frames after which a loop is assumed. If a
port-specific setting was made "Variant" is displayed.
● "Remote Loop Reaction (All Ports)" drop-down list
Here you can specify for all ports whether a port is activated or deactivated if a remote
loop is detected. If a port-specific setting was made "Variant" is displayed.
● "Local Loop Reaction (All Ports)" drop-down list
Here you can specify for all ports whether a port is activated or deactivated if a local loop
is detected. If a port-specific setting was made "Variant" is displayed.
Loop Detection Port Control
Meaning of the column entries:
●
"Port" display box
The relevant port is listed here.
● "Setting" drop-down list
In this area, you define the behavior of the port. You can choose from the following
options:
–
"Sender"
If this option is set, loop detection frames are sent and forwarded.
– "Forwarder"
If this option is set, loop detection frames of other devices are forwarded.
– "Blocked"
If you select this option, the forwarding of loop detection frames is blocked.
● "Rx-Threshold" input box
Here, you can specify the number of received frames after which a loop is assumed.
● "Remote Loop Reaction" drop-down list
Here, you can activate or deactivate a port if a remote loop is detected.
● "Local Loop Reaction" drop-down list
Here, you can activate or deactivate a port if a local loop is detected.
● "State" display box
Shows the status of the loop detection for the corresponding port.