Linksys WRT51AB Router Manual PDF (Setup & Configuration Guide)

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Dual-Band Wireless A+B Broadband Router

3. Click the

IP Address

tab. Select

Obtain an IP address automatically

.

4. Now click the

Gateway

tab, and verify that the

Installed Gateway

field is

blank. Click the

OK

button.

5. Click the

OK

button again. Windows may ask you for the original Windows

installation

disk

or

additional

files.

Check

for

the

files

at

c:\windows\options\cabs, or insert your Windows CD-ROM into your CD-

ROM drive and check the correct file location, e.g., D:\win98, D:\win9x,

etc. (if “D” is the letter of your CD-ROM drive).

6.

Windows may ask you to restart your PC. Click the

Yes

button. If Windows

does not ask you to restart, restart your computer anyway.

Go to “Chapter 5: Configure the Router’s Basic Settings.”

15

Instant Wireless

®

Series

1. Click the

Start

button. Select

Settings

and click the

Control Panel

icon.

Double-click the

Network

icon.

2. On the Configuration tab, select the

TCP/IP

line for the applicable

Ethernet adapter. Do not choose a TCP/IP entry whose name mentions

DUN, PPPoE, VPN, or AOL. If the word

TCP/IP

appears by itself, select

that line. Click the

Properties

button.

14

Figure 4-2

Figure 4-1

Configuring Windows 98 and Millennium PCs

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Dual-Band Wireless A+B Broadband Router

3.

Make sure the box next to

Internet Protocol (TCP/IP)

is checked. Highlight

Internet Protocol (TCP/IP)

, and click the

Properties

button.

4. Select

Obtain an IP address automatically

. Once the new window

appears, click the

OK

button. Click the

OK

button again to complete the

PC configuration.

5. Restart your computer.

Go to “Chapter 5: Configure the Router’s Basic Settings.”

17

Instant Wireless

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Series

1. Click the

Start

button. Select

Settings

and click the

Control Panel

icon.

Double-click the

Network and Dial-up Connections

icon.

2. Select the

Local Area Connection

icon for the applicable Ethernet adapter

(usually it is the first Local Area Connection listed). Double-click the

Local Area Connection

. Click the

Properties

button.

16

Figure 4-4

Figure 4-5

Configuring Windows 2000 PCs

Figure 4-3

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Dual-Band Wireless A+B Broadband Router

3.

Make sure the box next to

Internet Protocol (TCP/IP)

is checked. Highlight

Internet Protocol (TCP/IP)

, and click the

Properties

button.

4. Select

Obtain an IP address automatically

. Once the new window

appears, click the

OK

button. Click the

OK

button again to complete the

PC configuration.

5. Restart your computer.

Go to “Chapter 5: Configure the Router’s Basic Settings.”

19

Instant Wireless

®

Series

The following instructions assume you are running Windows XP with the

default interface. If you are using the Classic interface (where the icons and

menus look like previous Windows versions), please follow the instructions for

Windows 2000.

1. Click the

Start

button and then the

Control Panel

icon. Click the

Network

and Internet Connections

icon. Then click the

Network Connections

icon.

2. Select the

Local Area Connection

icon for the applicable Ethernet adapter

(usually it is the first Local Area Connection listed). Double-click the

Local Area Connection

. Click the

Properties

button.

18

Figure 4-7

Figure 4-8

Configuring Windows XP PCs

Figure 4-6

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Dual-Band Wireless A+B Broadband Router

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20

3.

The web-based utility will appear with the Setup tab selected. Based on the

setup instructions from your ISP, you may need to provide the Host Name

and Domain Name (usually cable ISPs require them). These fields allow

you to provide a host name and domain name for the Router and are usual-

ly left blank.

The values for the Router’s LAN IP Address and Subnet Mask are shown

on the

Setup

screen. The default values are 192.168.1.1 for the IP Address

and 255.255.255.0 for the Subnet Mask.

4.

The Router supports four connection types: Automatic Configuration -

DHCP (obtain an IP automatically), Static IP, PPPoE, and PPTP. These

types are listed in the drop-down menu for the Configuration Type setting.

Each

Setup

screen and available features will differ depending on what kind

of connection type you select. Proceed to the instructions for the connec-

tion type you are using, and then continue to step 5.

IMPORTANT:

If you have previously enabled any

Internet-sharing

proxy server software

on any of your PCs, you must disable it now.

Some examples of Internet-sharing software are Internet LanBridge,

Wingate, ICS, and Sygate.

To disable your Internet-sharing software:

• If you are running Netscape Navigator, click

Edit

,

Preferences

,

Advanced

, and

Proxies

. Click

Direct Connection to the Internet

.

• If you are running Internet Explorer 5.x or higher, click

Tools

,

Settings

,

Control Panel

,

Internet Options

,

Connections

, and

LAN Settings

. Remove checkmarks from all three boxes. Click the

OK

button to continue.

You must also disable any

Internet log-on software

(such as Ivasion

Winpoet or Enternet 300) and any

firewall software

(such as

ZoneAlarm and Watchdog) on all of your PCs.

Chapter 5: Configure the

Router’s Basic Settings

This chapter will show you how to configure the Router to function in your

network and gain access to the Internet through your Internet Service Provider

(ISP). Detailed description of the Router’s web-based utility can be found in

“Chapter 6: The Router’s Web-based Utility.”

The instructions from your ISP tell you how to set up your PC for Internet

access.

Because you are now using the Router to share Internet access among

several computers, you will use the setup information to configure the Router

instead of your PC. You only need to configure the Router once using the first

computer you set up.

1.

Open your web browser. Enter

http://192.168.1.1

(the Router’s default IP

address) in the web browser’s

Address

field. Press the

Enter

key.

2.

An

Enter Network Password

window, shown in Figure 5-2, will appear.

Windows XP users will see a

Connect to 192.168.1.1

window, shown in

Figure 5-3. Leave the

User Name

field empty, and enter

admin

in lowercase

letters in the

Password

field (

admin

is the default password). Then, click the

OK

button.

Figure 5-1

Figure 5-2

Figure 5-3

Note:

For added security, you should change the password through

the

Password

screen of the web-based utility.

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Dual-Band Wireless A+B Broadband Router

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Automatic Configuration - DHCP

If you are connecting through DHCP or

a dynamic IP address from your ISP,

perform these steps:

A.

Keep the default setting,

Automatic

Configuration - DHCP

, as the

Configuration Type.

B.

Click the

Apply

button to save the set-

ting, or click the

Cancel

button to

clear the setting and start over. When

you are finished, proceed to step 5.

Static (or Fixed) IP Address

If you are connecting through a

static or fixed IP address from your

ISP, perform these steps:

A. Select

Static

IP

as

the

Configuration Type.

B.

Enter the

Internet IP Address

.

C.

Enter the

Subnet Mask

.

D.

Enter the

Default Gateway

.

E. Enter the

DNS

in the 1, 2,

and/or 3 fields. You need to

enter at least one DNS address.

F.

Click the

Apply

button to save

the settings, or click the

Cancel

button to clear the settings and

start over. When you are fin-

ished, proceed to step 5.

22

PPPoE

If your DSL provider says that you

are connecting through PPPoE

(you use a user name and password

to access the Internet), perform

these steps:

A. Select

PPPoE

as

the

Configuration Type.

B.

Enter the

User Name

.

C.

Enter the

Password

.

D. Click the

Apply

button to save

the settings, or click the

Cancel

button to clear the settings and

start over. When you are fin-

ished, proceed to step 5.

PPTP

PPTP is a service used in Europe

only. If you are using a PPTP connec-

tion, check with your ISP for the nec-

essary setup information.

After you have entered your setup

information, click the

Apply

button to

save the settings, or click the

Cancel

button to clear the settings and start over.

When you are finished, proceed to

step 5.

Figure 5-6

Figure 5-7

Important:

If you enable PPPoE, remember to remove any PPPoE

applications already installed on any of your PCs.

Figure 5-4

Figure 5-5

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