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ADSL Router User Manual 
 
70 
Connection Type 
The system provides several protocols for you to choose. Your ISP will offer you the 
most suitable settings of the protocol. Before you set this page, please refer to the 
protocol that your ISP offered.   
After clicking on the Next button from 
the VPI/VCI web page, the following 
screen will appear. Please choose the 
connection type and encapsulation 
mode that you want to use and click 
Next for next page.   
For instance, PPP over Ethernet 
(PPPoE) is selected in this 
demonstrative figure. 
PPP over ATM/ PPP over Ethernet 
If the connection type you choose is PPP over ATM or PPP over Ethernet, please 
refer to the following information. 
According to the ISP’s configuration 
on the server, you can choose PPPoE 
or PPPoA modes.   
Choose PPPoA or PPPoE and click 
Next
On this screen, you have to make the 
settings for WAN IP. To get the IP 
address automatically, click the 
Obtain an IP address automatically 
radio button. Or click Use the 
following IP address
 button and 
enter the IP address for WAN 
interface. 
Check Enable NAT if you need.   
MTU:  
It means the maximum size of the 
packet that transmitted in the network. 
The packet of the data greater than 
the value set here will be divided into 
several packets for transmitting.   
Type the value into the field of MTU
The default MTU value for PPPoE is 
1492; while for PPPoA is 1500.   
Click Next for the next procedure.