DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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7.  Quality of Service (QoS) 
Basic Settings 
Advanced Settings 
QoS PFC 
WRED 
iSCSI 
 
Basic Settings 
Port Default CoS 
This window is used to display and configure the port default CoS settings. 
To view the following window, click QoS > Basic Settings > Port Default CoS, as shown below: 
 
Figure 7-1 Port Default CoS Window 
 
The fields that can be configured are described below: 
Parameter  Description 
Unit 
Select the Switch unit that will be used for this configuration here. 
From Port - To Port 
Select the range of ports that will be used for this configuration here. 
Default CoS 
Select the default CoS option for the port(s) specified here. Options to choose 
from are 0 to 7. Select the Override option to override the CoS of the packets. 
The default CoS will be applied to all incoming packets, tagged or untagged, 
received by the port. Select the None option to specify that the CoS of the 
packets will be the packet’s CoS if the packets are tagged, and will be the port 
default CoS if the packet is untagged. 
Click the Apply button to accept the changes made. 
 
Port Scheduler Method 
This window is used to display and configure the port scheduler method settings. To view the following window, click 
QoS > Basic Settings > Port Scheduler Method, as shown below: