TP-Link TL-WR542G Router Manual PDF (Setup & Configuration Guide)

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TL-WR542G

54Mbps Wireless Router User Guide

37

)

Note:

This page will be refreshed automatically every 5 seconds.

4.6 DHCP

Figure 4-21 The DHCP menu

There are three submenus under the DHCP menu (shown in Figure 4-21):

DHCP Settings

,

DHCP Clients List

and

Address Reservation.

Click any of them, and you will be able to

configure the corresponding function. The detailed explanations for each submenu are provided

below.

4.6.1 DHCP Settings

The 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 router on the LAN.

The DHCP Server can be configured on the page (shown in Figure 4-22):

Figure 4-22 DHCP Settings

¾

DHCP Server - Enable

or

Disable

the DHCP server. If you disable the Server, you must

have another DHCP server within your network or else you must manually configure the

computer.

¾

Start IP Address -

This field specifies the first of the addresses in the IP address pool.

192.168.1.100 is the default start address.

¾

End IP Address -

This field specifies the last of the addresses in the IP address pool.

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192.168.1.199 is the default end address.

¾

Address Lease Time -

The

Address Lease Time

is the amount of time in which a network

user will be allowed connection to the router with their current dynamic IP Address. Enter the

amount of time, in minutes. The user will be "leased" this dynamic IP Address. The range of

the time is 1 ~ 2880 minutes. The default value is 120 minutes.

¾

Default Gateway -

(Optional.) Suggest to input the IP address of the LAN port of the router,

default value is 192.168.1.1

¾

Default Domain -

(Optional.) Input the domain name of your network.

¾

Primary DNS -

(Optional.) Input the DNS IP address provided by your ISP. Or consult your

ISP.

¾

Secondary DNS -

(Optional.) Input the IP address of another DNS server if your ISP

provides two DNS servers.

)

Note:

To use the DHCP server function of the router, you must configure all computers on the LAN as

"Obtain an IP Address automatically" mode. This function will take effect until the router reboots.

4.6.2 DHCP Clients List

This page shows

Client Name, MAC Address, Assigned IP

and

Lease Time

for each DHCP

Client attached to the router (Figure 4-23):

Figure 4-23 DHCP Clients List

¾

Index -

The index of the DHCP Client

¾

Client Name

-

The name of the DHCP client

¾

MAC Address

-

The MAC address of the DHCP client

¾

Assigned IP

-

The IP address that the router has allocated to the DHCP client.

¾

Lease Time

-

The time of the DHCP client leased. Before the time is up, DHCP client will

request to renew the lease automatically.

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You cannot change any of the values on this page. To update this page and to show the current

attached devices, click on the

Refresh

button.

4.6.3 Address Reservation

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. This page is used for address

reservation (shown in

Figure 4-24

).

Figure 4-24 Address Reservation

¾

MAC Address -

The MAC address of the PC of which you want to reserve IP address.

¾

Assigned IP Address -

The IP address of the router reserved.

¾

Status

-

The status of this entry either

Enabled

or

Disabled

.

To Reserve IP addresses:

1.

Click the

Add New button

. (Pop-up Figure 4-25)

2.

Enter the MAC address (The format for the MAC Address is XX-XX-XX-XX-XX-XX.) and IP

address in dotted-decimal notation of the computer you wish to add.

3.

Click the

Save

button when finished.

Figure 4-25 Add or Modify an Address Reservation Entry

To modify or delete an existing entry:

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1.

Click the

Modify

in the entry you want to modify. If you want to delete the entry, click the

Delete

.

2.

Modify the information.

3.

Click the

Save

button.

Click the

Enable All

button to make all entries enabled

Click the

Disabled All

button to make all entries disabled.

Click the

Delete All

button to delete all entries

Click the

page.

)

Note:

The function won't take effect until the router reboots.

4.7 Forwarding

Figure 4-26 The Forwarding menu

There are four submenus under the Forwarding menu (shown in Figure 4-26):

Virtual Servers

,

Port Triggering

,

DMZ

and

UPnP

. Click any of them, and you will be able to configure the

corresponding function. The detailed explanations for each submenu are provided below.

4.7.1 Virtual Servers

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. You can set up virtual servers on this page, shown in Figure

4-27:

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Figure 4-27 Virtual Servers

¾

Service Port -

The numbers of External Ports. You can type a service port or a range of

service ports (the format is XXX – YYY, XXX is the start port, YYY is the end port).

¾

IP Address -

The IP Address of the PC providing the service application.

¾

Protocol -

The protocol used for this application, either

TCP

,

UDP

, or

All

(all protocols

supported by the router).

¾

Status -

The status of this entry either

Enabled

or

Disabled

.

To setup a virtual server entry:

1.

Click the

Add New button

. (pop-up Figure 4-28)

2.

Select the service you want to use from the Common Service Port list. If the

Common

Service Port

list does not have the service that you want to use, type the number of the

service port or service port range in the

Service Port

box.

3.

Type the IP Address of the computer in the

Server IP Address

box.

4.

Select the protocol used for this application, either

TCP

or

UDP

, or

All

.

5.

Select the

Enable

checkbox to enable the virtual server.

6.

Click the

Save

button.

Figure 4-28 Add or Modify a Virtual Server Entry

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