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Page 31 / 78 Scroll up to view Page 26 - 30
TD-W8961N
300Mbps Wireless N ADSL2+ Modem Router User Guide
23
Figure 4-11
Router Local IP:
These are the IP settings of the LAN interface for the device. These
settings 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 modem 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 modem 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 modem router will periodically send routing information
and accept routing information, and then incorporate them into routing table.
IN only
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TD-W8961N
300Mbps Wireless N ADSL2+ Modem Router User Guide
24
means the ADSL modem router will only accept but will not send RIP packet.
OUT only
means the ADSL modem 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
), IGMP version 2 (
IGMP v2)
and
IGMP version 1(
IGMP v3
). Select “Disabled” to disable it.
IGMP Snoop:
Enable the IGMP Snoop function if you need.
DHCP Server:
Select
Enabled
, then you will see the screen below (shown in Figure 4-12).
The modem 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 4-12
Starting IP Address:
Enter the starting IP address for the DHCP server's IP assignment.
Because the default IP address for the modem router is 192.168.1.1, the default Start IP
Address is
192.168.1.100
, and the Start IP Address must be 192.168.1.100 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 33 / 78
TD-W8961N
300Mbps Wireless N ADSL2+ Modem Router User Guide
25
Physical Ports:
If a physical port is unchecked, the client connected to that port will not
be able to obtain IP address automatically although the DHCP function is enabled. All
the ports are checked by default.
DHCP Table
: The information of the DHCP clients will be displayed here
Hostname:
Display the name of the DHCP client.
IP Address:
Display the IP Address of the DHCP client.
MAC Address:
Display the MAC Address of the DHCP client.
Status:
Display the status of the assigned IP Address, either
Static
or
Auto
.
Static
indicates that the IP Address is bounded to the MAC Address, while
Auto
indicates that
the IP Address is assigned to the MAC Address automatically.
How to assign a static IP address to the client?
1).
Select an
IP Address
from the drop-down list.
2).
Enter the
MAC Address
of the client in the table.
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 modem 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.
DHCP Relay:
Select
Relay
, then you will see the next screen (shown in Figure 4-13), and the
modem 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.
Page 34 / 78
TD-W8961N
300Mbps Wireless N ADSL2+ Modem Router User Guide
26
Figure 4-13
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 4-14 ). Please configure the parameters for wireless according to the descriptions below.
Page 35 / 78
TD-W8961N
300Mbps Wireless N ADSL2+ Modem Router User Guide
27
Figure 4-14

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