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Configuring Linksys Wireless Router

ANKUSH

Smart serve InfoTech

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Main Issues

• Physical Connection• Interfacing with the broad band Modem (cable,

DSL)• Adjusting the configuration on the broad band

Modem and upgrading the modem firmware.• Basic router setup

– Accessing the Web Interface– Upgrading the router firmware– Admin account– IP addresses

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Main Issues

• Wireless Setup– SSID– Channel– Security– MAC Filter

• Firewall• Work Station Configurations:

– IP address– XP Firewall– Testing

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Broad Band Modem

• Before you connect your wireless router, do the following while your PC is connected directly to your broad band router.

• Updating Firmware: “Click on Modem Firmware Update”

• DSL Help– Bridging Instructions– Linksys Router Config.

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Connect the router to your Modem: Physical Setup

For more information read: Wireless Quick Start Guide

Must be the cable that came with your modem (it is cross-over in case of DSL)

Straight-Through Cable

Check the “Internet” LED in the front Side

Restart Everything before you test

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Router

• Tech Support

• Search by answer ID for any of those issues– Setting up PPPoE DSL with a BEFW11S4:

Answer ID 527

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Wireless Router Web Access

Leave the user name blank.

Password is admin

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Main Menus and Sub Menus

A Main Menu Item

Sub-Menu Items for the “Setup” menu Wireless Router Model #

Firmware Version

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“Basic Setup” Sub-Menu

Router to Modem setup

Router’s IP Address

Disable DHCP, It is safer to use Static IPs

Take a note of the DNS Server Addresses Save

Help

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Configure your PC and test

• Configure your PC’s TCP/IP properties (Do this on a wired PC first. We will deal with Wireless PCs later):– IP address– Subnet Mask– Default Gateway– Primary DNS Server Address– Secondary DNS Server Address

• Open your browser and test the Connection

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Before You StartChange the Password

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Also in the “Management” Sub-Menu: UPnP

Universal Plug and Play has to be enabled for some applications (MS Messenger audio and video for example) to work

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Before You StartUpdate The Router Firmware

Browse to where you have downloaded the router firmware from the vendor web site

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Before You StartUpdate The Wireless NIC Driver

• Gather information about:– Your wireless NIC (model number, etc…)– Operating system (Win XP, etc…)

• Visit the manufacture web site, go to the tech support page and download the dirver

• Install the driver

• This insures that you will be able to configure the latest security features

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Configuring the Radio Interface

Enable the radio interface, configure the SSID and disable SSID Broadcasting

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Configure WEP Key

Make sure that you right down the automatically generated 26 hex digits key. The hex key will be used later to configure the wireless clients

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Stronger Encryption

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MAC Authentication

To get the MAC address of your Wireless card, Go to DOS and type “ipconfig /all

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Advanced Settings “Just in case!”

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High Gain Antenna

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Configuring the Wireless Client

• Depends on the configuration utility of your card.

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Configuring Port Forwarding

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Public IP address and DNS Info.

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Examining the Log File

Must download and install the log viewer application from Linksys web site

Where the log file will be stored

Choose

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Log Viewer

You can also open the log file in MS Word

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Setting up the Client

WEP 64, or 128 bit

Match the SSID on AP (Case Sensitive)

Both must be checked for WPA

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WEP

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WPA

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XP Firewall

• Troubleshooting Windows Firewall in Microsoft Windows XP Service Pack 2

• The document includes detailed explanation of how to use the following Windows Firewall Troubleshooting Tools:– Netsh firewall commands– Windows firewall logging files– The netstat tool

• Most of the firewall configuration can also be done from the CLI. Example:– >netsh firewall set port opening TCP 80 disable