TD-W8970N
Wireless N ADSL2+ Modem Router User Guide
4.4.2.2 ATM-EoA-IPoE
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
new
ATM interface and select
EoA
option for DSL Link Type (
4.4.1.1 ATM interface
).
2. Click
the
Add
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.
)
Note:
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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