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TD-W8950ND
150Mbps Wireless Lite N ADSL2+ Modem Router User Guide
z
End IP Address - Specify an IP address for the DHCP Server to end with when assigning
IP addresses. 192.168.1.200 is the default end address.
z
Sunet Mask: An address code that determines the size of the network. Normally use
255.255.255.0 as the subnet mask.
z
Leased Time (hour) - The Lease Time is the amount of time a network user will be
allowed connection to the Router with their current dynamic IP address. Enter the amount
of time, in hours, and the user will be "leased" this dynamic IP address. After the time is
up, the user will be automatically assigned a new dynamic IP address. The default value
is 24 hours.
¾
Set Address Reservation - Click this button, you can view and add a reserved address for
clients via the Address Reservation page as shown in Figure 4-26. 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
servers that require permanent IP settings.
¾
Configure the second IP Address and Subnet Mask for LAN interface - Check this box, and
you can configure a second IP address and subnet mask for the LAN interface.
¾
Save - Clicking this button only saves the LAN configuration data.
¾
Save/Reboot - Clicking this button not only saves the LAN configuration data but also reboots
the Router to make the new configuration take effect.
To Reserve an IP address
：
1.
Click the Set Address Reservation button shown in Figure 4-26 to enter the screen as
shown in Figure 4-27.
Figure 4-27
2.
Click the New Entry button in Figure 4-27. Then Figure 4-28 will pop up.
Figure 4-28
34
Page 42 / 94
TD-W8950ND
150Mbps Wireless Lite N ADSL2+ Modem Router User Guide
3.
Enter the MAC address in XX:XX:XX:XX:XX:XX format and reserved IP address in
dotted-decimal notation of the computer for which you want to reserve an IP address.
)
Note:
The MAC Address and IP Address added in
Figure 4-28 are
used for illustrating. They
may be different to your circs.
4.
Select Enable from the State drop-down list.
5.
Click the Save button, then you will go back to the Address Reservation screen and see
the new entry as shown in Figure 4-27.
6.
Click Save/Reboot button to save the settings and reboot the Router.
)
Note:
The function won't take effect until the router reboots.
4.5.3 MAC Clone
Choose “Advanced Setup
→
MAC Clone” menu, you can configure the MAC address of the WAN
on the screen below..
Figure 4-29
Some ISPs require that you register the MAC Address of your adapter. Changes are rarely
needed here.
¾
WAN MAC Address - This field displays the current MAC address of the WAN port. If your ISP
requires you to register the MAC address, please enter the correct MAC address into this field
in XX:XX:XX:XX:XX:XX format (X is any hexadecimal digit).
¾
Your PC's MAC Address - This field displays the MAC address of the PC that is managing the
Router. If the MAC address is required, you can click the Clone MAC Address button and this
MAC address will be filled in the WAN MAC Address field.
Click Restore Factory MAC to restore the MAC address of WAN port to the factory default value.
Click the Save/Reboot button to save your settings.
)
Note:
1)
Only the PC on your LAN can use the MAC Address Clone function.
2)
Your configuration won't take effect unless the ADSL Router is rebooted.
3)
MAC Clone can't be used with port mirror. If they are set both, the Router will be down.
35
Page 43 / 94
TD-W8950ND
150Mbps Wireless Lite N ADSL2+ Modem Router User Guide
4.5.4 NAT
NAT (Network Address Translation) allows you to share one WAN (Wide Area Network) IP
address for multiple computers on your LAN (Local Area Network).
Figure 4-30
)
Note:
When you select PPPoA or PPPoE for the WAN Setup, or when you select Enable NAT for the
type of IPoA and IPoE connection, you will see the NAT menu in the Web-based Utility (shown in
Figure 4-31).
Choose “Advanced Setup
→
NAT”, there are three submenus under the main menu: Virtual
Servers, Port Triggering and DMZ Host. Click any of them, and you will be able to configure the
corresponding function.
Figure 4-31
4.5.4.1 Virtual Servers
Choose “Advanced Setup
→
NAT
→
Virtual Servers”, you can set up virtual servers on the screen
below (shown in Figure 4-32).
Virtual servers can be used for setting up public services on your LAN, such as DNS, Email and
FTP. A virtual server is defined as a service port, and all requests from the Internet to this service
port will be redirected to the computer specified by the server IP. Any PC that was used for a
virtual server must have a static or reserved IP Address because its IP Address may change when
using the DHCP function.
Figure 4-32
36
Page 44 / 94
TD-W8950ND
150Mbps Wireless Lite N ADSL2+ Modem Router User Guide
¾
Virtual Server Table: The table indicates the information about the Virtual Server entries.
•
Server Name: This is the name of the Virtual Server. It is exclusive and must be filled in.
•
External Port Start: The base number of External Ports. You can type a service port or
leave it blank.
•
External Port End: The end number of External Ports. You can type a service port or leave
it blank.
•
Protocol: The protocol used for this application, TCP, UDP, or TCP/UDP.
•
Internal Port Start: The base number of Internal Ports. You can type a service port or leave
it blank.
•
Internal Port End: The end number of Internal Ports. You can type a service port or leave it
blank.
•
Server IP Address: The IP Address of the PC providing the service application.
•
Remote Host: The PC can enjoy the service application.
¾
Add: Click the Add button to add a new entry.
¾
Remove: Select the check box in the table (shown in Figure 4-32) and then click the Remove
button, then the corresponding entry will be deleted in the table.
To add a virtual server entry:
1.
Click the Add button on the preceding screen Figure 4-32, and then you will see the new
Virtual Server in the next screen as shown in Figure 4-33.
Figure 4-33
37
Page 45 / 94
TD-W8950ND
150Mbps Wireless Lite N ADSL2+ Modem Router User Guide
2.
Select the service which you want to use from the drop-down list. If the list does not have the
service you need, type the name of the custom service in the text box.
3.
Type the IP Address of the computer in the Server IP Address text box.
4.
Enter the External Port Start, External Port End, Internal Port Start and Internal Port End in
the table, and then select the protocol used for this Virtual Server, TCP, UDP or All.
5.
Click Save/Apply to enable virtual server and then you will see your setting as shown in Figure
4-32.
)
Note:
If you select the service from the drop-down list, the External Port Start, External Port End,
Internal Port Start, Internal Port End and the Protocol will be added in the table automatically. You
only need to enter the Server IP Address for the Virtual Server.
4.5.4.2 Port Triggering
Choose “Advanced Setup
→
NAT
→
Port Triggering”, you can set Port Triggering on the screen
(shown in Figure 4-34).
Some applications require that specific ports in the Router's firewall should be opened for access
by remote devices. Port Trigger dynamically opens up the 'Open Ports' in the firewall when an
application on the LAN initiates a TCP/UDP connection to a remote device using the triggering
ports. The Router allows the remote party from the WAN side to establish new connections back to
the application on the LAN side using the open ports. A maximum 32 entries can be configured.
Figure 4-34
¾
Port Triggering Table: The table indicates the information about the Port Triggering entries.
•
Application (Name): This is the name of the Port Triggering. It is exclusive and must be
filled.
•
Trigger: It includes the Protocol and the Start and End value of the Trigger Ports.
•
Open: It includes the Protocol and the Start and End value of the Open Ports.
¾
Add: Click the button to add a new entry.
¾
Remove: Select the check box in the table (shown in Figure 4-34) and then click the Remove
button, then the corresponding entry will be deleted in the table.
To add a new Port Triggering:
1.
Click the Add button in Figure 4-34, and then you will see the new Port Triggering in the next
screen as shown in Figure 4-35.
38

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