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TD-W8960N
300Mbps Wireless N ADSL2+ Modem Router User Guide
4.
Enter the following parameters and then click
Next
.
Figure 4-10
¾
PPP Username/Password
: Enter the User Name and Password provided by your ISP.
These fields are case-sensitive.
¾
PPPoE Service Name
: Enter the Service Name if it was provided by your ISP. If you leave it
blank, the default name will be the same as the
Service Description
on the previous screen.
¾
Authentication Method
: Select the
Authentication Method
from the drop-down list, the
default method is
AUTO
, and you can leave it as a default setting.
)
Note:
If you are not sure about the
PPP IP extension
and
PPP Debug Mode
etc. below, please don’t
select these options.
¾
MTU Size
: Maximum Transmission Unit Size. Check this box then you can change the MTU
size. The default
MTU
value is 1480 Bytes. It is not recommended that you change the default
value unless required by your ISP.
¾
Enable Fullcone NAT
: It is a type of NAT, if not enabled, the default NAT will act.
¾
Dial on demand (with idle timeout timer)
: The Router will cut off the Internet connection after
it has been inactive for a specific period of time (idle timeout), and it will automatically
re-establish the connection as soon as you attempt to access the Internet again. If your
Internet is charged by time you may want to select this option in order to save money.
¾
PPP IP extension
: Select this option to get the public IP address from the PPP server to your
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TD-W8960N
300Mbps Wireless N ADSL2+ Modem Router User Guide
PC, and the NAT and SPI Firewall will be closed. Sometimes you can think it as bridge while
PPP dialing in the router. It’s a special feature deployed by some ISP. Unless your ISP
specifically requires this setup, do not select it.
¾
Use Static IPv4 Address
: If your ISP gives you a static
WAN
,
Gateway
and
DNS
IP address,
select this option to enter them manually.
¾
Enable PPP Debug Mode
: Select this option to debug the PPP function and you can see
many PPP log information in the System Log. Only PPP has this debug Mode.
¾
Bridge PPPoE Frames Between WAN and Local Ports
: Select this option to start PPP
connection in your local PC.
¾
Enable
IGMP Multicast Proxy
: IGMP (Internet Group Management Protocol) is used to
manage multicasting on TCP/IP networks. Some ISPs use IGMP to perform remote
configuration for client devices, such as the Router. The default value is disabled, and if you
are not sure, please contact your ISP or just leave it.
5.
Select a preferred wan interface as the system default gateway in Figure 4-11 and click
Next
.
Figure 4-11
6.
Configure the DNS Server Addresses on the screen below and click
Next
.
Figure 4-12
¾
Obtain DNS info from a WAN Interface:
You can select this option to automatically get DNS
server information from the selected WAN interface.
¾
Use the following Static DNS IP Address:
You can select this option to manually enter the
primary and /or optional secondary DNS server IP addresses provided by your ISP.
25
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TD-W8960N
300Mbps Wireless N ADSL2+ Modem Router User Guide
)
Note:
If only single PVC with IPoA is configured, you must enter static DNS server IP addresses.
7.
On the next screen you will see the detailed settings you’ve made. Please click the
Apply/Save
button to save these settings.
Figure 4-13
8.
On the next screen you will see the WAN Port Information Table with the new configuration.
Figure 4-14
¾
Remove:
Select the check box in the table above and then click
Remove
, the corresponding
interface will be deleted in the table.
26
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TD-W8960N
300Mbps 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 functioning with multiple DHCP client identities, the values of IAID have to start at 1 for
the first identity and be incremented for each subsequent identity. For example, the
device may use IAID value 1 for the first physical interface and value 2 for the second.
27
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TD-W8960N
300Mbps Wireless N ADSL2+ Modem Router User Guide
Alternatively, the device may use IAID value 1 for the virtual circuit corresponding to the
first connection object in the data model and value 2 for the second connection object in
the data model.
Option 61 DUID:
Specifies the name of the interface whose link-layer address the server
is to use as its DUID (DHCP Unique Identifier). You must enter a value for this parameter
or the server will not start. When the server starts, the DUID is written to the system log.
Option 125:
The option 125 allows DHCP server to be pre-configured with policy for
handling classes of devices in a certain way without requiring DHCP server to be able to
parse the unique format used in client-identifier option.
¾
Use the following IP Address
: If you are provided with a static IP/gateway Address, please
select this option, and then enter the
WAN IP Address
,
WAN Subnet Mask
and
WAN
gateway IP Address
manually.
5.
You will see the next screen as below. You can enable the
NAT
,
SPI Firewall
, and
IGMP
Multicast
, if you are not sure about the settings, just leave the default settings. Click
Next
.
Figure 4-16
¾
Enable NAT:
This technology translates the IP addresses of a local area network to a
different IP address for the Internet. If this Router is hosting your network’s connection to the
Internet, please select the check box. If another Router exists in your network, you don’t need
to select the option.
¾
Enable SPI Firewall:
A SPI firewall enhances network’s security. Select the option to use a
firewall, or else without a firewall.
¾
Enable IGMP Multicast:
This is disabled
by default. This setting will not allow IGMP (Internet
Group Management Protocol) packets to be forwarded to the LAN. IGMP is used to manage
multicasting on TCP/IP networks. Most users will not need to enable this. Some ISPs use
IGMP to perform remote configuration for client devices, such as the Router. If you are unsure,
check with your ISP.
)
Note:
If you select the
Enable NAT
checkbox, the
NAT
menu will be added to the Web-based Utility. We
will describe the detailed configuration in
4.4.5
NAT
.
28

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