TP-LINK TD-W8901N User Manual

Page of 86
TD-W8901N 
150Mbps Wireless N ADSL2+ Modem Router User Guide
 
23 
 
Virtual Circuit: Select the VC number you want to setup, PVC0~PVC7. 
 
Status: If you want to use a designed VC, you should activate it. 
 
VPI: Identifies the virtual path between endpoints in an ATM network. The valid range is 
from 0 to 255. Please input the value provided by your ISP. 
 
VCI: Identifies the virtual channel endpoints in an ATM network. The valid range is from 
32 to 65535 (1 to 31 is reserved for well-known protocols). Please input the value 
provided by your ISP. 
 
PVCs Summary: Click the button, and you can view the summary information about the 
PVCs. 
 
QoS: Select the Quality of Service types for this Virtual Circuit, including CBR (Constant 
Bit Rate), UBR (Unspecified Bit Rate) and VBR (Variable Bit Rate). These QoS types are 
all controlled by the parameters specified below, including PCR (Peak Cell Rate), SCR 
(Sustained Cell Rate) and MBS (Maximum Burst Size), please configure them according 
to your needs. 
  Encapsulation:  There are four connection types: Dynamic IP Address, Static IP Address, 
PPPoA/PPPoE and Bridge Mode. Please choose the designed type that you want to use. 
After that, you should follow the configuration below to proceed. 
4.3.1.1  Dynamic IP Address 
Select this option if your ISP provides you an IP address automatically. This option is typically 
used for Cable services. Please enter the Dynamic IP information accordingly.   
 
Figure 4-7