D-Link DXS-3400 SERIES - Page 159

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide
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Figure 5-59 Loopback Detection Window
The fields that can be configured in Loopback Detection Global Settings are described below:
Parameter Description
Loopback Detection State
Select to enable or disable loopback detection. The default is Disabled.
Mode
Select the loopback detection mode. Options to choose from are Port-based and
VLAN-based.
Enabled VLAN ID List
Enter the VLAN ID for loop detection. This only takes effect when the VLAN-
based is selected in the Mode drop-down list.
Interval
Enter the interval in seconds that the device will transmit all the CTP
(Configuration Test Protocol) packets to detect a loop-back event. The valid range
is from 1 to 32767 seconds. The default setting is 10 seconds.
Trap State
Select to enable or disable the loopback detection trap state.
Action Mode
Select the action mode here. Option to choose from are:
• Shutdown - Specifies to shut down the port in the port-based mode or block
traffic on the specific VLAN in the VLAN-based mode when the loop has
been detected.
• None - Specifies not to shut down the port in the port-based mode or block
traffic on the specific VLAN in the VLAN-based mode when the loop has
been detected.
Click the Apply button to accept the changes made.
The fields that can be configured in Loopback Detection Port Settings are described below:
Parameter Description
Unit
Select the Switch unit that will be used for this configuration here.
From Port ~ To Port
Select the appropriate port range used for the configuration here.
State
Select this option to enable or disable the state of the port.
Click the Apply button to accept the changes made.