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.