Duld Settings; Cable Diagnostics - D-Link xStack DGS-3420 Series Reference Manual

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
Parameter
Unit
Port
Port List
Click the Clear button to clear all the information entered in the fields.

DULD Settings

This window is used to configure and display the unidirectional link detection on port.
To view this window, click OAM > DULD Settings as shown below:
The fields that can be configured are described below:
Parameter
Unit
From Port / To Port
Admin State
Mode
Discovery Time (5-
65535)
Click the Apply button to accept the changes made.

Cable Diagnostics

The cable diagnostics feature is designed primarily for administrators or customer service representatives to verify
and test copper cables; it can rapidly determine the quality of the cables and the types of error.
Description
Select the unit you wish to configure.
Use the drop-down menu to select the unit ID and the port number to view.
Enter a list of ports. Tick the All Ports check box to select all ports.
Figure 10-21 DULD Settings window
Description
Select the unit you wish to configure.
Select a range of ports you wish to configure.
Use the drop-down menu to enable or disable the selected ports unidirectional link
detection status.
Use the drop-down menu to select Mode between Shutdown and Normal.
Shutdown – If any unidirectional link is detected, disable the port and log an event.
Normal - Only log an event when a unidirectional link is detected.
Enter these ports neighbor discovery time. If the discovery is timeout, the
unidirectional link detection will start.
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