Configuring Linksys Wireless Router

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Configuring Linksys Wireless Router

• Prof. Yousif
• _at_
• 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
Check the Internet LED in the front Side
Must be the cable that came with your modem (it
is cross-over in case of DSL)
For more information read Wireless Quick Start
Guide
Straight-Through Cable
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
Firmware Version
Sub-Menu Items for the Setup menu
Wireless Router Model
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Basic Setup Sub-Menu
Router to Modem setup
Routers IP Address
Help
Disable DHCP, It is safer to use Static IPs
Take a note of the DNS Server Addresses
Save
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Configure your PC and test

• Configure your PCs 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
Where the log file will be stored
Choose
Must download and install the log viewer
application from Linksys web site
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Log Viewer
You can also open the log file in MS Word
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Setting up the Client
Match the SSID on AP (Case Sensitive)
WEP 64, or 128 bit
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