TP-LINK TD-W8970N Benutzerhandbuch

If your ISP provides an IPoE connection and you need to use an ATM Interface, follow the steps 
below to add a WAN service over a selected ATM interface: 

1. Add 

a 

 ATM interface and select EoA option for DSL Link Type (

4.4.1.1 ATM interface

). 

2. Click 

the 

 button on the screen (as shown Figure 4-7). Select WAN Service Interface over 

ATM PVC on the next screen (as shown Figure 4-8). 

3.  If your ISP provides an IPoE connection, select IPoE option for the WAN service type on the 

screen (as shown Figure 4-9), and click Next button to continue. 

4.  Enter parameters in the following blanks to configure the WAN IP Address and click Next. 

 

Figure 4-15 

¾

  Obtain an IP address automatically: Select this option, the Router will be able to obtain IP 

network information dynamically from a DHCP server provided by your ISP. 

) 

1)  The response message from a DHCP server typically contains a number of configuration 

parameters (DHCP options) for the Router. The DHCP options include IP network information, 
and also the vendor-specific options. In some cases, the Router is implemented to perform 
user-defined operations (as shown below). You can implement your own treatment of all such 
options. 

2)  If the Router is functioning as a DHCP client, it must identify itself in option 61 (client-identifier) 

in every DHCP message. DUID/IAID is portion of option 61. 

• Option 60 Vendor ID: The option code 60 used to identify Vendor class. 

• Option 61 IAID: IAID (Identity Association ID) assigns an Identity Association ID to 

individual interfaces. In cases where the device is functioning with a single DHCP client 
identity, it must use value 1 for IAID for all DHCP interactions. In cases where the device is 

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