DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Figure 10-25 Ethernet OAM Statistics Table Window 
 
The fields that can be configured are described below: 
Parameter  Description 
Unit 
Select the Switch unit ID that will be used here. 
From Port - To Port 
Select the Switch port range that will be used here. 
Action 
Select the Find option to find and display the statistics information associated with 
the specified port. 
Select the Clear option to clear the statistics information associated with the 
specified port(s). 
Click the Find button to find and display the statistics information associated with the specified port(s). 
Click the Show All button to display all the statistics information. 
 
Ethernet OAM DULD Settings 
This window is used to display and configure the Ethernet OAM D-Link Unidirectional Link Detection (DULD) settings. 
DULD is an extension of 802.3ah Ethernet OAM. It provides a mechanism to detect a unidirectional point-to-point 
Ethernet link without PHY support. OAM vendor specific messages are used in the detection. The detection process is 
started after OAM discovery was started but does not complete the negotiation in the configured discovery time. 
To view the following window, click OAM > Ethernet OAM > Ethernet OAM DULD Settings, as shown below: