TP-Link TD-8840 Router Manual PDF (Setup & Configuration Guide)

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TD-8840

ADSL2+ Modem Router User Guide

30

Figure 4-15

¾

WAN IP Address:

Enter the IP Address provided by your ISP.

¾

WAN Subnet Mask:

Enter the subnet mask provide by your ISP.

¾

Use the following default gateway:

Check this radio button then you can choose

Use IP

Address

or

Use WAN Interface

. If you have any problems, please ask your ISP for the

information.

¾

Use the following DNS server addresses:

Check this radio button then you can enter the

primary DNS server and secondary DNS server. If you have any problems, please ask your

ISP for the information.

)

Note:

1.

DHCP is not supported in IPoA mode.

2.

Changing the default gateway or the DNS will affect the whole system. Configuring them with

static values will disable the automatic assignment from other WAN connection.

Click

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TD-8840

ADSL2+ Modem Router User Guide

31

Figure 4-16

Check or uncheck the

Enable WAN Service

box according to your needs. Click the

to enter the next step as shown in Figure 4-17, and click

Save

to complete the configuration.

Figure 4-17

¾

Bridging

If you select the Bridging protocol, you will see the Figure 4-18. Click the

see the Figure 4-19. Click

Save

to complete the configuration.

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TD-8840

ADSL2+ Modem Router User Guide

32

Figure 4-18

Figure 4-19

)

Note:

After completing any setup, the new setup must be saved and the Router must be restarted for

the configuration to go into effect. Please click the

Save/Reboot

button to restart as shown in

Figure 4-20.

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TD-8840

ADSL2+ Modem Router User Guide

33

Figure 4-20

)

Note:

All of the above setup is under windows XP OS.

4.3.2 LAN

Choose “

Advanced Setup

→

LAN

” menu, and you can see and configure the Local Area Network

(LAN) parameters in the screen as shown in Figure 4-21.

Figure 4-21

¾

IP Address -

Enter an IP address for the Router. Then you can access the Web-based Utility

via this IP address. The default setting is 192.168.1.1.

¾

Subnet Mask -

An address code that determines the size of the network. Normally use

255.255.255.0 as the subnet mask.

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TD-8840

ADSL2+ Modem Router User Guide

34

)

Note:

a.

If you change the IP Address of LAN, you must use the new IP Address to log in the

Router.

b.

If the new LAN IP Address you set is not in the same subnet, the IP Address pool of the

DHCP server will change accordingly at the same time

，

while the Virtual Server and DMZ

Host will not take effect until they are re-configured.

¾

Disable/Enable DHCP Server -

Disable

or

Enable

the DHCP server. DHCP stands for

Dynamic Host Configuration Protocol. The DHCP Server will automatically assign dynamic IP

addresses to the computers on the network. If you disable the Server, you must have another

DHCP server within your network or else you must configure the computer manually. The

following options are available only when DHCP Server is enabled.

z

Start IP Address -

Specify an IP address for the DHCP Server to start with when

assigning IP addresses. 192.168.1.100 is the default start address

z

End IP Address -

Specify an IP address for the DHCP Server to end with when

assigning IP addresses. 192.168.1.199 is the default end address.

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 4-21. 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 4-21 to enter the screen as

shown in Figure 4-22.

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