Operation Manual
Vigor2133 Series User’s Guide   
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might be impacted by the uploading TCP ACK, you can check 
this box to push ACK of upload faster to speed the network 
traffic. 
Limited_bandwidth Ratio  The ratio typed here is reserved for limited bandwidth of 
UDP application. 
Info 
The rate of outbound/inbound must be smaller than the real bandwidth to 
ensure correct calculation of QoS. It is suggested to set the bandwidth value 
for inbound/outbound as 80% - 85% of physical network speed provided by 
ISP to maximize the QoS performance. 
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1.  The first three (Class 1 to Class 3) class rules can be adjusted for your necessity. To add, 
edit or delete the class rule, please click the Edit link of that one. 
2.  After you click the Edit link, you will see the following page. Now you can define the 
name for that Class. In this case, “Test” is used as the name of Class Index #1.   










