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Page 61 / 125 Scroll up to view Page 56 - 60
TD-W9970
300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
50
Note:
If you want to change the default settings of
Advanced Settings
, please make sure that both VPN
server endpoints use the same Encryption Algorithm, Integrity Algorithm, Diffie-Hellman Group
and Key Life time in both
phase1
and
phase2
.
If you select
Manual
as
Key Exchange Method
, the screen will display as follows:
Figure 4-34
Encryption Algorithm -
Specify the encryption algorithm. Options include: DES, 3DES, AES
(aes-cbc).
Encryption Key -
Place the mouse in this field about 2s
，
the requirements of the Encryption
Key will be displayed automatically. Enter the Encryption Key, and ensure both the two peers
use the same key.
Authentication Algorithm -
Select the authentication algorithm. Options include:
MD5
and
SHA1
.
Authentication Key -
Place the mouse in this field about 2s
，
the requirements of the
Authentication Key will be displayed automatically. Then enter the authentication Key.
SPI –
Specify the SPI (Security Parameter Index) manually. The SPI here must match the SPI
value at the other end of the tunnel, and vice versa.
4.6 IPTV
Choose “
IPTV
”, and you will see the screen as shown in Figure 4-35.
Page 62 / 125
TD-W9970
300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
51
Figure 4-35
Enable IPTV:
Check the box to enable IPTV function.
Enable a wireless connection for IPTV:
If enabled, the set-top box can connect wirelessly
to the modem router. To use this function, follow the steps below:
1.
Select
Enable IPTV
.
2.
Select
Enable a wireless connection for IPTV
.
3.
Enable SSID2 or SSID3 for IPTV connection and click
Save
. You may rename the
SSID.
4.
Select your desired wireless network for IPTV connection.
Page 63 / 125
TD-W9970
300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
52
DSL Modulation Type:
The modem router supports two modulation types: ADSL and VDSL,
you can select the corresponding types according to your needs.
If you choose "
ADSL
", you will see the screen as shown in the following figure:
•
VPI (0~255):
Identifies the virtual path between endpoints in an ATM network. The valid
range is from 0 to 255. Please input the value provided by your ISP.
•
VCI (1~65535):
Identifies the virtual channel endpoints in an ATM network. The valid range
is from 1 to 65535 (1 to 31 is reserved for well-known protocols). Please input the value
provided by your ISP.
If you choose "
VDSL
", you will see the screen as shown in the following figure:
•
VLAN:
Check the box to enable the Virtual LAN ID.
•
VLAN ID (1~4049):
This indicates the VLAN group, and the valid range is from 1 to 4049.
Click the
Save
button to save your settings.
4.7 DHCP Server
Choose “
DHCP Server
”, you can see the next submenus:
Click any of them, and you will be able to configure the corresponding function.
4.7.1 DHCP Settings
Choose menu “
DHCP Server
”
“
DHCP Settings
”, you can configure the DHCP Server on the
page as shown in Figure 4-36.The modem router is set up by default as a DHCP (Dynamic Host
Configuration Protocol) server, which provides the TCP/IP configuration for all the PC(s) that are
connected to the modem router on the LAN.
Page 64 / 125
TD-W9970
300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
53
Figure 4-36
Start IP Address:
Enter a value for the DHCP server to start with when issuing IP addresses.
The default Start IP Address is
192.168.1.100
.
End IP Address:
Enter a value for the DHCP server to end with when issuing IP addresses.
The default End IP Address is
192.168.1.199
.
Lease Time:
The Leased Time is the amount of time in which a network user will be allowed
connection to the modem router with their current dynamic IP address. Enter the amount of
time, in hours, then the user will be “leased” this dynamic IP address. After the dynamic IP
address has expired, the user will be automatically assigned a new dynamic IP address. The
default is
1440
minutes.
Default Gateway -
(Optional.) It is suggested to input the IP address of the LAN port of the
modem router. The default value is 192.168.1.1.
Default Domain -
(Optional.) Input the domain name of your network.
Primary DNS -
(Optional.) Input the DNS IP address provided by your ISP or consult your
ISP.
Secondary DNS -
(Optional.) Input the IP address of another DNS server if your ISP provides
two DNS servers.
DHCP Relay:
Select
Relay
, then you will see the next screen, 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 65 / 125
TD-W9970
300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
54
Note:
1)
To use the DHCP server function of the modem router, you must configure all computers on
the LAN as "Obtain an IP Address automatically".
2)
You have to disable NAT of the WAN connections, or the DHCP Relay may not take effect.
3)
If you select
Disabled
, the DHCP function will not take effect.
Click the
Save
button to save your settings.
4.7.2 Clients List
Choose menu “
DHCP Server
”
“
Clients List
”, you can view the information about the clients
attached to the modem router in the screen as shown in Figure 4-37.
Figure 4-37
Client Name:
The name of the DHCP client
MAC Address:
The MAC address of the DHCP client
IP Address:
The IP address that the modem router has allocated to the DHCP client
Valid Time:
The time of the DHCP client leased. After the dynamic IP address has expired, a
new dynamic IP address will be automatically assigned to the user.
To update this page and to show the current wireless devices, click the
Refresh
button.
4.7.3 Address Reservation
Choose menu “
DHCP Server
”
“
Address Reservation
”, you can view and add a reserved
address for clients via the next screen (shown in Figure 4-38).When you specify a reserved IP
address for a PC on the LAN, that PC will always receive the same IP address each time when it
accesses the DHCP server. Reserved IP addresses should be assigned to the servers that require
permanent IP settings.
Figure 4-38
MAC Address:
The MAC address of the PC for which you want to reserve an IP address.
IP Address:
The IP address reserved for the PC by the modem router.
Status:
The status of this entry either
Enabled
or
Disabled
.
To Reserve an IP address:
1.
Click the
Add New
button. Then Figure 4-39 will pop up.
2.
Enter the MAC address (in XX:XX:XX:XX:XX:XX format.) and IP address (in dotted-decimal

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