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Page 36 / 94 Scroll up to view Page 31 - 35
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
28
Figure 4-11
¾
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 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 ADSL Router will only accept but will not send RIP packet.
OUT only
means the
ADSL Router will only send but will not accept RIP packet.
Page 37 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
29
•
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 v2
and
IGMP v3
.
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 4-12).
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 4-12
•
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, 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.
•
Physical Ports:
If a physical port is unchecked, the client connected to that port will not
Page 38 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
30
be able to obtain IP address automatically although the DHCP function is enabled. All the
ports are checked by default.
¾
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.
•
Current Pool Summary:
Click the button, then you can view the IP addresses that the
DHCP Server gives out.
)
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 4-13), 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.
Page 39 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
31
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 40 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
32
Figure 4-14

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