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Page 26 / 69 Scroll up to view Page 21 - 25
TD-W8151N
150Mbps Wireless N ADSL2+ Modem Router User Guide
19
2)
Static IP Address
Select this option if your ISP provides static IP information to you. You should set static IP address,
IP subnet mask, and gateway address in the screen below (shown in Figure 4-6).
Figure 4-6
)
Note:
Each IP address entered in the fields must be in the appropriate IP form, which is four IP octets
separated by a dot (x.x.x.x), such as 192.168.1.100. The Router will not accept the IP address if it
is not in this format.
3)
PPPoA/PPPoE
Select this option if your ISP requires you to use a PPPoE connection. This option is typically used
for DSL services. Select Dynamic PPPoE to obtain an IP address automatically for your PPPoE
connection. Select Static PPPoE to use a static IP address for your PPPoE connection. Please
enter the information accordingly.
Page 27 / 69
TD-W8151N
150Mbps Wireless N ADSL2+ Modem Router User Guide
20
Figure 4-7
¾
Servicename:
Enter a name to mark current connection, or you can leave it blank.
¾
Username:
Enter your username for your PPPoE/PPPoA connection.
¾
Password:
Enter your password for your PPPoE/PPPoA connection.
¾
Encapsulation:
For both PPPoE/PPPoA connection, you need to specify the type of
Multiplexing, either LLC or VC Mux.
¾
Bridge Interface:
Activate the option, and the Router can also work in Bridge mode.
¾
Connection:
For PPPoE/PPPoA connection, you can select
Always on
or
Connect
On-Demand
or
Connect Manually
. Connect On-Demand is dependent on the traffic. If there
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.
¾
Static/Dynamic IP Address:
For PPPoE/PPPoA connection, you need to specify the public
IP address for this ADSL Router. The IP address can be either dynamically (via DHCP) or
given IP address provided by your ISP. For Static IP, you need to specify the IP address,
Subnet Mask and Gateway IP address.
¾
Default Route:
You should select
Yes
to configure the PVC as the default gateway to internet
from this device.
¾
MAC Spoofing:
Enable
the MAC Spoofing, and enter a MAC address to configure the WAN
port. It makes your inside network appear as a device with this MAC address to the outside
world.
Page 28 / 69
TD-W8151N
150Mbps Wireless N ADSL2+ Modem Router User Guide
21
4)
Bridge Mode
If you select this type of connection, the modem 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.
Figure 4-8
)
Note:
After you finish the Internet configuration, please click SAVE to make the settings take effect.
4.3.2 LAN
Choose “
Interface Setup
→
LAN
” menu, and you will see the LAN screen (shown in Figure 4-9).
Please configure the parameters for LAN ports according to the descriptions below.
Figure 4-9
¾
Router Local IP:
These are the IP settings of the LAN interface for the device. These settings
Page 29 / 69
TD-W8151N
150Mbps Wireless N ADSL2+ Modem Router User Guide
22
may be referred to as Private settings. You may change the LAN IP address if needed. The
LAN IP address is private to your internal network and cannot be seen on the Internet.
•
IP Address:
Enter the Router’s local IP Address, then you can access to the Web-based
Utility via the IP Address, the default value is 192.168.1.1.
•
IP Subnet Mask:
Enter the Router’s Subnet Mask, the default value is 255.255.255.0.
•
Dynamic Route:
Select this option to specify the RIP (Routing Information protocol)
version for LAN interface, including
RIP1
,
RIP2-B
and
RIP2-M
. RIP2-B and RIP2-M are
both sent in RIP2 format, the difference is that RIP2-M using Multicast, while RIP2-B
using Broadcast format.
•
Direction:
Select this option to specify the RIP direction.
None
is for disabling the RIP
function.
Both
means the ADSL Router will periodically send routing information and
accept routing information, and then incorporate them into routing table.
IN Only
means
the ADLS Router will only accept but will not send RIP packet.
OUT Only
means the
ADLS Router will only send but will not accept RIP packet.
•
Multicast:
Select IGMP version, or disable the function. IGMP (Internet Group Multicast
Protocol) is a session-layer protocol used to establish membership in a multicast group.
The ADSL ATU-R supports both IGMP version 1 (
IGMP v1
) and
IGMP v2
. Select
“Disabled” to disable it.
•
IGMP Snoop:
Enable the IGMP Snoop function if you need.
¾
DHCP Server:
Select
Enabled
, then you will see the screen below (shown in Figure 4-10).
The Router will work as a DHCP Server; it becomes the default gateway for DHCP client
connected to it. DHCP stands for Dynamic Host Control Protocol. The DHCP Server gives out
IP addresses when a device is booting up and request an IP address to be logged on to the
network. That device must be set as a DHCP client to obtain the IP address automatically. By
default, the DHCP Server is enabled. The DHCP address pool contains the range of the IP
address that will automatically be assigned to the clients on the network.
Figure 4-10
•
Starting IP Address:
Enter the starting IP address for the DHCP server's IP assignment.
Because the default IP address for the Router is 192.168.1.1, so the Start IP Address
must be 192.168.1.2 or greater, but smaller than 192.168.1.254.
•
IP Pool Count:
The max user pool size.
•
Lease Time:
The length of time for the IP lease. After the dynamic IP address has
expired, the user will be automatically assigned a new dynamic IP address. The default is
259200
seconds.
Page 30 / 69
TD-W8151N
150Mbps Wireless N ADSL2+ Modem Router User Guide
23
•
Physical Ports:
Specify the Physical Ports of the DHCP client.
•
DNS Relay:
If you want to disable this feature, you just need to set both Primary and
secondary DNS IP to 0.0.0.0. If you want to use DNS relay, you can setup DNS server IP
to 192.168.1.1 on their Computer. If not, the device will perform as no DNS relay.
•
Primary DNS Server:
Type in your preferred DNS server.
•
Secondary DNS Server:
Type in your preferred DNS server.
)
Note:
If
Use Auto Discovered DNS Server Only
is selected in DNS Relay, this Router will accept the
first received DNS assignment from one of the PPPoA, PPPoE or MER/DHCP enabled PVC(s)
during the connection establishment. If
Use User Discovered DNS Server Only
is selected in
DNS Relay, it is necessary for you to enter the primary and optional secondary DNS server IP
addresses. After type in the address, click
SAVE
button to save it and invoke it.
¾
DHCP Relay:
Select
Relay
, then you will see the next screen (shown in Figure 4-11), and the
Router will work as a DHCP Relay. A DHCP relay is a computer that forwards DHCP data
between computers that request IP addresses and the DHCP server that assigns the
addresses. Each of the device's interfaces can be configured as a DHCP relay. If it is enabled,
the DHCP requests from local PCs will forward to the DHCP server runs on WAN side. To
have this function working properly, please run on Router mode only, disable the DHCP
server on the LAN port, and make sure the routing table has the correct routing entry.
Figure 4-11
•
DHCP Server IP for Relay Agent:
Enter the DHCP server IP Address runs on WAN
side.
)
Note:
If you select
Disabled
, the DHCP function will not take effect.
4.3.3 Wireless
Choose “
Interface Setup
→
Wireless
” menu, and you will see the Wireless screen (shown in
Figure 4-12 ). Please configure the parameters for wireless according to the descriptions below.

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