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Configuring Linksys Wireless Router
Prof. Yousif
@
Valencia Community College
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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