TD-8817  ADSL2+ Ethernet/USB Modem Router User Guide 
 
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is no traffic (or Idle) for a pre-specified period of time), the connection will tear down 
automatically. And once there is traffic send or receive, the connection will be automatically 
on. 
  Default Route: You should select Yes to configure the PVC as the default gateway to 
Internet from this device. 
  Static/Dynamic IP Address: For PPPoA/PPPoE connection, you need to specify the public 
IP address for this ADSL modem router. The IP address can be either dynamically (via DHCP) 
or given by your ISP. For Static IP, you need to specify the IP address, Subnet Mask and 
Gateway IP address. 
  Dual Stack Lite: Enable the Dual Stack Lite (D-S Lite) function if you need. It is disabled by 
default. 
4. Bridge Mode 
If you select this type of connection, the modem router can be configured to act as a bridging 
device between your LAN and your ISP. Bridges are devices that enable two or more networks to 
communicate as if they are two segments of the same physical LAN.   
  Dual Stack Lite:Enable the Dual Stack Lite (D-S Lite) function if you need. It is disabled by 
default. 
 
Figure 4-10 
 
Note: 
After you finish the Internet configuration, please click SAVE to make the settings take effect. 
4.3.1.2.  IPv6 
There 
are two IP versions: IPv4 and IPv6. If you select IPv6 as IP version, please follow the 
configuration below to configure the parameters for WAN ports. 
  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. 
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.