Cable Diagnostics - D-Link DGS-3000 Series Reference Manual

The fields that can be configured are described below:
Parameter
DULD Recover Timer
(0 or 60-1000000)
DULD Operation
Timing
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.
To view this window, click OAM > Cable Diagnostics as shown below:
DGS-3000 Series Gigabit Ethernet Switch Web UI Reference Guide
Figure 10-23 DULD Settings window
Description
Enter the automatic recovery time. Enter 0 to disable this function.
Select when to operate DULD.
Local Ready – Click to operate DULD when the local peer owns DULD ability.
Local Remote Ready – The DULD will not be operated when the local peer owns DULD
ability..
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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