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NETGEAR WG511U - Double 108Mbps Wireless A+G PC Card User Manual Download Page 51

Technical Specifications

A-1

August 2004

Appendix A 

Technical Specifications

This appendix provides technical specifications for the NETGEAR Double 108 Mbps Wireless PC 
Card 32-bit CardBus WG511U

. 

Antennae

2 Integrated internal diversity antennas

Standards 802.11a, 

802.11g, 

802.11b

Radio Data Rate

Auto Rate Sensing

•802.11a 6, 9, 12, 18, 24, 36, 48, 54, and 108 Mbps 

•802.11b 1, 2, 5.5, 6, 11 

•802.11g 6, 9, 12, 18, 24, 36, 48, 54, and 108 Mbps 

Frequency

2.4-2.5GHz and 5 GHz (DSS, CCK, and OFDM Modulation)

Power 3.3V 

Bus 

powered

Emissions

FCC, CE

Bus interface

CardBus

Provided drivers

Microsoft Windows XP, 2000, Me, 98

Weight

46g (1.6 oz)

Operating Environment 

Operating temperature: 0 to 55 degree C

Encryption

64-bit and 128-bit WEP data encryption; WPA-PSK

Warranty

Limited 1-year warranty

Summary of Contents for WG511U - Double 108Mbps Wireless A+G PC Card

Page 1: ...August 2004 Version v1 0 August 2004 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U ...

Page 2: ...ther countries Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and or other countries Other brand and product names are trademarks or registered trademarks of their respective holders Information is subject to change without notice All rights reserved August 2004 Certificate of the Manufacturer Importer It is hereby certified that the Model WG511U Wire...

Page 3: ...f the end user to comply with the applicable requirements may result in unlawful operation and adverse action against the end user by the applicable National regulatory authority NOTE This product s firmware limits operation to only the channels allowed in a particular Region or Country Therefore all options described in this user s guide may not be available in your version of the product FCC Req...

Page 4: ...e with the spectrum usage rules for European Community countries as described in this section This product is certified for Switzerland and all countries of the European Community except France and Spain Canadian Department of Communications Radio Interference Regulations This device complies with Canada RSS 210 This digital apparatus NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U ...

Page 5: ...ng System Requirements 3 1 Observing Location and Range Guidelines 3 2 Two Basic Operating Modes 3 2 WG511U Default Wireless Configuration Settings 3 3 Basic Installation Instructions 3 4 For Windows XP Users Installing a WG511U 3 4 For Windows 2000 98 Me Users Installing a WG511U 3 8 WG511U Wireless Connection Indicators 3 12 Interpreting the LED on the WG511U 3 12 Interpreting System Tray Icon C...

Page 6: ...tion Security 5 4 Using WPA PSK Advanced Security 5 5 Basic Requirements for WPA PSK 5 5 WPA PSK Security Settings Worksheet 5 6 How to Configure WPA PSK Advanced Security 5 6 Appendix A Technical Specifications Appendix B Wireless Networking Basics Wireless Networking Overview B 1 Infrastructure Mode B 1 Ad Hoc Mode Peer to Peer Workgroup B 2 Network Name Extended Service Set Identification ESSID...

Page 7: ...working C 1 Install or Verify Windows Networking Components C 1 Enabling DHCP to Automatically Configure TCP IP Settings in Windows 98 and Me C 3 Selecting Windows Internet Access Method C 5 Verifying TCP IP Properties C 5 Configuring Windows 2000 or XP for TCP IP Networking C 6 Install or Verify Windows Networking Components C 6 DHCP Configuration of TCP IP in Windows XP or 2000 C 7 DHCP Configur...

Page 8: ...August 2004 4 Contents ...

Page 9: ...r basic computer network Internet firewall and networking technology tutorial information is provided in the Appendices This guide uses the following typographical conventions This guide uses the following formats to highlight special messages This manual is written f according to these specifications Table 1 Typographical conventions italics Emphasis books CDs URL names bold User input fixed font...

Page 10: ...er with JavaScript enabled 2 Toolbar buttons Use the toolbar buttons across the top to navigate print pages and more The Show in Contents button locates the current topic in the Contents tab Previous Next buttons display the previous or next topic The PDF button links to a PDF version of the full manual The Print button prints the current topic Using this button when a step by step procedure is di...

Page 11: ... the chapter you want to print The PDF version of the chapter you were viewing opens in a browser window Note Your computer must have the free Adobe Acrobat reader installed in order to view and print PDF files The Acrobat reader is available on the Adobe web site at http www adobe com Click the print icon in the upper left of the window Tip If your printer supports printing two pages on a single ...

Page 12: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U 1 4 About This Manual August 2004 ...

Page 13: ...ndards based 802 11a b g wireless connectivity that is protected with the strongest industry standard WPA and WEP security In addition it offers the faster 54 Mbps speeds of the 802 11a and g standards and can aggregate the 802 11a and 802 11g communications to deliver double the 108 Mbps of either alone It works with Windows 98 Me 2000 and XP operating systems Key Features and Related NETGEAR Pro...

Page 14: ...of WPA 64 bit and 128 bit WEP encryption security WEP keys can be generated manually or by passphrase What s in the Box The product package should contain the following items NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Installation Guide for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Resource ...

Page 15: ...gs as connecting to a wireless network assuring appropriate security measures are taken browsing the Internet through your wireless connection exchanging files with other computers and using printers in the combined wireless and wired network Table 2 1 A Road Map for How to Get There From Here If I Want To What s Needed What Do I Do How Do I Connect to a wireless network 1 A wireless network 2 A n...

Page 16: ...ce on secure Internet sites Connect to the Internet over my wireless network 1 An active Internet connection like those from cable or DSL service providers 2 A wireless network connected to an Internet service through a router as illustrated in Connecting to an Access Point in Infrastructure Mode on page 4 2 3 TCP IP Internet networking software installed and configured on my notebook PC according...

Page 17: ...r file need to be enabled for sharing 1 Use the Windows Network Neighborhood feature to browse for computers in the combined wireless and wired network 2 Browse the hard drive of the target computer in the network in order to locate the directory or files you want to work with 3 Use the Windows Explorer copy and paste functions to exchange files between the computers For assistance with Windows ne...

Page 18: ...vailable printers in the combined wireless and wired network 2 Use the Windows Add a Printer wizard to add access to a network printer from the notebook PC you are using to wirelessly connect to the network 3 From the File menu of an application such as Microsoft Word use the Print Setup feature to direct your print output to the printer in the network Windows Domain settings are usually managed b...

Page 19: ...hat these minimum requirements have been met You must have a notebook PC with a Pentium 300 MHz or higher compatible processor with an available CardBus slot Note The WG511U requires a CardBus slot If you are not sure about what type of slot your computer has consult the documentation or manufacturer s web site for your computer A CD ROM drive 5 Mbytes of free hard disk space Note Indoors computer...

Page 20: ...e between the devices Two Basic Operating Modes The WG511U Wireless PC Card can operate in the following two basic modes Infrastructure Mode An 802 11 networking framework in which devices and computers communicate with each other by first going through an access point AP For example this mode is used when computers in a house connect to an Access Point that is attached to a router which lets mult...

Page 21: ...y default basic settings are Wireless Network Name SSID NETGEAR_11g Note In order for the WG511U Wireless PC Card to communicate with a wireless access point or wireless adapter all devices must be configured with the same wireless network name SSID Network Mode Infrastructure or Ad hoc Infrastructure Data security WPA PSK encryption Enabled Default WPA PSK passphrase NETGEAR ULTRA G The section b...

Page 22: ...iver and configuration utility software a Power on your notebook let the operating system boot up completely and log in as needed b Insert the Resource CD for the WG511U into your CD ROM drive The CD main page shown at the right will load c Click Install Driver and Utility d Follow the InstallShield Wizard steps and click Finish when done to restart your computer Note If a Windows XP Certification...

Page 23: ... to enable the NETGEAR Smart Wireless Settings Utility configuration utility Click Yes to accept this option If you choose No you must read the Windows XP documentation for an explanation of how to use the Windows XP wireless network configuration utility You will also be prompted to choose the country you are located in Select your location from the list c Click Finish to complete the installatio...

Page 24: ...t You can also enter a profile name and click Save Profile to store the current settings Tip Create profiles called work and home Then activate whichever one you need for your current location WG511U system tray icon Smart Wireless Utility Settings page Tip Click Help to view the context sensitive help information Note The NETGEAR default settings are Infrastructure mode with NETGEAR_11g for the w...

Page 25: ...e Reference Manual on the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Resource CD Table 3 1 LED Descriptions LED 1 below the word NETGEAR on the left LED 2 below the word NETGEAR on the right Meaning Slow blink OFF Power save mode default from power up or reset Alternate blink Alternate blink Looking for network association Power LED goes ON Network LED is OFF then Power LED goe...

Page 26: ...2000 may require you to be logged on with administrator rights a Power on your notebook let the operating system boot up completely and log in as needed b Insert the Resource CD for the WG511U into your CD ROM drive The CD main page shown at the right will load c Click Install Driver and Utility d Follow the InstallShield Wizard steps click Finish when done and if prompted restart your computer WG...

Page 27: ...t After a short delay the Found New Hardware Wizard displays b Follow the Found New Hardware Wizard steps click Finish when done and if prompted restart your computer c Next you will be prompted to choose the country where you are located Select your location from the list You should see the WG511U system tray icon on the right in the lower right portion of the Windows task bar and on the Windows ...

Page 28: ...e met d You can also enter a profile name and click Save Profile to store the current settings Tip If you use your desktop PC to connect to a wireless network at work and at home create profiles called work and home Then activate whichever one you need for wherever you are located WG511U system tray icon WG511U Configuration Utility Note The NETGEAR default settings are Infrastructure mode with NE...

Page 29: ...he Reference Manual on the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Resource CD Table 3 2 LED Descriptions LED 1 below the word NETGEAR on the left LED 2 below the word NETGEAR on the right Meaning Slow blink OFF Power save mode default from power up or reset Alternate blink Alternate blink Looking for network association Power LED goes ON Network LED is OFF then Power LED go...

Page 30: ...in the Microsoft Windows desktop indicates the status of the connection Interpreting the LED on the WG511U These LEDs are described in this table Table 3 3 LED Descriptions LED 1 below the word NETGEAR on the left LED 2 below the word NETGEAR on the right Meaning Slow blink OFF Power save mode default from power up or reset Alternate blink Alternate blink Looking for network association Power LED ...

Page 31: ...other wireless node or the link is lost Check your configuration or try moving to a location where the wireless signal quality is better Yellow The wireless PC Card has a connection with another wireless node The wireless link is weak You may deed to move to a better spot such as closer to the wireless access point Also look for possible interference such as a 2 4 GHz cordless phone or large metal...

Page 32: ...the WG511U software if necessary Try to install the WG511U in a different slot on your system if one is available The LEDs blink alternately and cannot connect to an access point The WG511U is attempting to connect to an access point but cannot connect The access point may not be powered on Or the access point and the PC card are not configured with the same wireless parameters Check the SSID and ...

Page 33: ...nce to save the changes If you want to avoid these Profile setting prompts simply hit Apply before you Close the utility program 3 Question Why doesn t Ad Hoc mode work correctly after I enter a SSID and click Apply Answer You need to click the Initiate Ad Hoc button before you click Apply Here is how you start an Ad Hoc network a Fill in the Network Name SSID b Select the Computer to Computer Ad ...

Page 34: ...tings 7 Question I don t understand the LEDs on the WG511U Which is Power and which is network activity Answer The WG511U LED s behavior is as follows both blinking alternately means attempting to connect both blinking together indicates a good connection fast blinking means data transmission off means the card is not plugged in or no power applied to the card 8 Question Is this WG511U IEEE 802 11...

Page 35: ...ilities of the configuration utility Using Configuration Profiles The WG511U configuration utility uses profiles to store all the configuration settings for a particular wireless network You can store multiple profiles and recall the one which matches the network you want to join Note The instructions in this section refer to the NETGEAR WG511U configuration utility For Windows XP users to use the...

Page 36: ...the network you are using at the time There are two types of wireless network connections you can configure Infrastructure Mode uses the 802 11 infrastructure mode Ad hoc Mode uses the 802 11 ad hoc mode For more information on 802 11 wireless network modes see Wireless Networking Overview on page B 1 of this manual Connecting to an Access Point in Infrastructure Mode Figure 4 1 WG511U Wireless PC...

Page 37: ...e WG511U icon on the Windows desktop or in the system tray The Settings tab page opens Figure 4 2 Settings page 2 Configure the wireless network settings a In the Network Type section be sure that Infrastructure is selected b Enter the SSID This is also called the Wireless Network Name Note You will not get a wireless network connection unless the network SSID matches exactly what is configured in...

Page 38: ...ility for the current connection status Note If you cannot connect see the Troubleshooting on page 3 14 Also for problems with accessing network resources the Windows Client and File and Print Sharing software might not be installed and configured properly on your computers Please refer to Preparing Your Computers for TCP IP Networking on page C 1 Connecting to Another PC in Ad hoc Mode Figure 4 3...

Page 39: ...esource CD Follow the instructions below to configure an Ad hoc mode network 1 Configure the PC network settings a Configure each PC with a static IP address Note For instructions on configuring static IP addresses refer to the networking tutorial on your NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Resource CD b Restart the PCs 2 Run the WG511U Smart Wireless Wizard a Make sure ...

Page 40: ...nother nearby wireless device select a channel that is not being used by any other wireless networks near your wireless adapter Use the Networks tab page to identify the channels in use in your area Note The channel number differs depending on the country The connection speed automatically defaults to the highest speed e Click OK The WG511U will scan the area to determine which channel to use f Cl...

Page 41: ...Sharing software might not be installed and configured properly on your computers Please refer to Preparing Your Computers for TCP IP Networking on page C 1 What s on the Statistics Page The Statistics page provides real time and historical trend information on the data traffic and performance of your wireless adapter Transmit Receive Performance A real time graph identifying the total receive and...

Page 42: ...your adapter Wireless Mode Select the wireless protocols you will use You can choose from the available 802 11 wireless protocols Note that if the wireless network you are communicating with uses the Ultra G mode you must include that in your selection for example if you are using the WG511U with the NETGEAR WG624U Wireless Firewall Router Fragmentation Threshold This is the maximum packet size us...

Page 43: ...s optional WPA PSK WPA Pre Shared Key WPA PSK performs authentication and strong data encryption that includes dynamic key generation based on a pre shared key WPA PSK does not need RADIUS or certificate servers When you use the WG511U configuration utility to configure these security options you can save your settings in a profile For example if you use WPA PSK at work but WEP at home you can hav...

Page 44: ...tion to the WG511U wireless security features configure appropriate LAN network security features such as requiring a user name and password to access shared resources in your network Fill in the worksheet and use the procedures below to configure the WEP encryption settings of your NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U Basic Requirements for WEP WEP requires these element...

Page 45: ...ncryption Key The default WEP encryption key number is 1 and the default key size is 64 bits Note The key number as well as the key value used by all wireless nodes must be the same If yours is different you will not be able to connect WEP Encryption Key Size circle one 64 or 128 bits WEP Encryption Passphrase case sensitive if used ____________________________ A Passphrase is used to automaticall...

Page 46: ...11U software is installed and the WG511U is fully inserted in your PC b Open the configuration utility by clicking on the WG511U icon on the Windows desktop or in the system tray The Settings tab page opens 2 Configure the Network Name SSID settings Enter the SSID This is also called the Wireless Network Name Tip Click the Networks tab to view a list of the available wireless networks and their SS...

Page 47: ...tus area at the bottom of the screen you will notice the security lock icon change from open and red to closed and yellow 4 Save your settings in a Profile a Type a descriptive name in the Profiles field b Click Save Profile All the configuration settings are saved in this profile c Click Apply and click Close to exit the configuration utility Using WPA PSK Advanced Security You can have very stro...

Page 48: ...e In such a case you will need to get the SSID from the wireless network administrator Wireless network name SSID ______________________________ Passphrase Pre Shared Key ________________________________________ How to Configure WPA PSK Advanced Security Follow the steps below to configure WPA PSK Advanced Security 1 Run the WG511U Smart Wireless Wizard a Make sure the WG511U software is installed...

Page 49: ...onfiguration 5 7 August 2004 3 Configure the WPA PSK settings a Under Security select the WPA PSK radio button Figure 5 2 WPA PSK settings screen b Enter the Passphrase Pre Shared Key c Click OK then click Apply for the changes to take effect and Close to exit the utility 4 Save your settings in a Profile ...

Page 50: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U 5 8 Wireless Security Configuration August 2004 ...

Page 51: ... Radio Data Rate Auto Rate Sensing 802 11a 6 9 12 18 24 36 48 54 and 108 Mbps 802 11b 1 2 5 5 6 11 802 11g 6 9 12 18 24 36 48 54 and 108 Mbps Frequency 2 4 2 5GHz and 5 GHz DSS CCK and OFDM Modulation Power 3 3V Bus powered Emissions FCC CE Bus interface CardBus Provided drivers Microsoft Windows XP 2000 Me 98 Weight 46g 1 6 oz Operating Environment Operating temperature 0 to 55 degree C Encryptio...

Page 52: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U A 2 Technical Specifications August 2004 ...

Page 53: ...tically back down to rates 48 36 24 18 12 9 and 6 Mbps The 802 11 standard is also called Wireless Ethernet or Wi Fi by the Wireless Ethernet Compatibility Alliance WECA see http www wi fi net an industry standard group promoting interoperability among 802 11 devices The 802 11 standard offers two methods for configuring a wireless network ad hoc and infrastructure Infrastructure Mode With a wirel...

Page 54: ...ervice Set Identification BSSID is used In an infrastructure wireless network that includes an access point the ESSID is used but may still be referred to as SSID An SSID is a thirty two character maximum alphanumeric key identifying the name of the wireless local area network Some vendors refer to the SSID as network name For the wireless devices in a network to communicate with each other all de...

Page 55: ...the same general vicinity will interfere with each other Applying two channels that allow the maximum channel separation will decrease the amount of channel cross talk and provide a noticeable performance increase over networks with minimal channel separation The radio frequency channels used in 802 11b g networks are listed in Table B 1 Table B 1 802 11b g Radio Frequency Channels Channel Center ...

Page 56: ... National Information Infrastructure U NII band Though the lower 200 MHz is physically contiguous the FCC has divided the total 300 MHz into three distinct domains each with a different legal maximum power output Below is a table of summary for different regulatory domains Table B 2 802 11a Radio Frequency Channels Note Please check your local Authority for updated information on the available fre...

Page 57: ... 11a Channel Allocations The WG511U user can use thirteen channels in non turbo mode Table B 3 802 11a Turbo Mode Off Radio Frequency Channels Turbo Mode OFF Channel Frequency 36 5 180 GHz 40 5 200 GHz 44 5 220 GHz 48 5 240 GHz 52 5 260 GHz 56 5 280 GHz 60 5 300 GHz 64 5 320 GHz 149 5 745 GHz 153 5 765 GHz 157 5 785 GHz 161 5 805 GHz 165 5 825 GHz ...

Page 58: ...ication is optional WPA Wi Fi Protected Access WPA is a new specification of standards based interoperable security enhancements that increase the level of data protection and access control for wireless networks WPA requires authentication and features strong data encryption that includes dynamic key generation WPA uses the Extensible Authentication Protocol EAP via WPA enables wireless access po...

Page 59: ...Key authentication only those PCs that possess the correct authentication key can join the network By default IEEE 802 11 wireless devices operate in an Open System network Recently Wi Fi the Wireless Ethernet Compatibility Alliance http www wi fi net developed the Wi Fi Protected Access WPA a new strongly enhanced Wi Fi security WPA will soon be incorporated into the IEEE 802 11 standard WEP and ...

Page 60: ...n sends an authentication request to the access point IN TER N ET LO CA L ACT 1 2 3 4 5 6 7 8 LNK LNK ACT 100 Cable DSL ProSafe Wireless VPN Security Firewall MODEL FVM318 PWR TEST W LA N Enable Access Point AP 1 Authentication request sent to AP 2 AP authenticates 3 Client connects to network 802 11 Authentication Open System Steps Cable or DLS modem Client attempting to connect IN TER N ET LO CA...

Page 61: ...pports two types of WEP encryption 64 bit and 128 bit 128 bit encryption is stronger than 64 bit encryption but 128 bit encryption may not be available outside of the United States due to U S export regulations 64 bit WEP The 64 bit WEP data encryption method allows for a five character 40 bit input Additionally 24 factory set bits are added to the forty bit input to generate a 64 bit encryption k...

Page 62: ...y to transmit The two devices will communicate as long as the AP s WEP key 2 is the same as the client s WEP key 2 and the AP s WEP key 3 is the same as the client s WEP key 3 How to Use WEP Parameters Wired Equivalent Privacy WEP data encryption is used when the wireless devices are configured to operate in Shared Key authentication mode There are two shared key methods implemented in most commer...

Page 63: ...th programmable addresses The LAN Port Access Control framework defined by the IEEE 802 1X standard addresses these needs With 802 11 WEP all wireless access points and client wireless adapters on a particular wireless LAN must use the same encryption key Each sending station encrypts data with a WEP key before transmission and the receiving station decrypts it using an identical key This process ...

Page 64: ...pecifically refer to IETF s RFC 2284 Figure B 4 802 1x authentication 1 After associating with a wireless access point the client sends an EAP start message This begins a series of message exchanges to authenticate the client 2 The access point replies with an EAP request identity message 3 The client sends an EAP response packet containing the identity to the authentication server 4 The authentic...

Page 65: ...lient can then use contents of the key message to define applicable encryption keys In typical 802 1x implementations the client can automatically change encryption keys as often as necessary to minimize the possibility of eavesdroppers having enough time to crack the key in current use It s important to note that 802 1x doesn t provide the actual authentication mechanisms When using 802 1x you ne...

Page 66: ... Wi Fi certified products had until August of 2004 to add WPA support or they would loose their Wi Fi certification While the new IEEE 802 11i standard is being ratified wireless vendors have agreed on WPA as an interoperable interim standard How Does WPA Compare to WEP WEP is a data encryption method and is not intended as a user authentication mechanism WPA user authentication is implemented usi...

Page 67: ...certain pieces of the 802 11i draft that are ready to bring to market today such as 802 1x and TKIP The main pieces of the 802 11i draft that are not included in WPA are secure IBSS Ad Hoc mode secure fast handoff for specialized 802 11 VoIP phones as well as enhanced encryption protocols such as AES CCMP These features are either not yet ready for market or will require hardware upgrades to imple...

Page 68: ...statically configured pass phrase on both the stations and the access point This eliminates the need for an authentication server which in many home and small office environments will not be available nor desirable Possible data encryption options include WEP TKIP and AES Advanced Encryption Standard We ll talk more TKIP and AES when addressing data privacy below Authentication EAP over 802 1X is ...

Page 69: ... it knows it must use pre WPA 802 1X authentication and key management in order to access the network Key management WPA features a robust key generation management system that integrates the authentication and data privacy functions Keys are generated after successful authentication and through a subsequent 4 way handshake between the station and Access Point AP Data Privacy Encryption Temporal K...

Page 70: ...ation type 5 The authentication server will either send an accept or reject message to the access point 6 The access point sends an EAP success packet or reject packet to the client 7 If the authentication server accepts the client then the access point will transition the client s port to an authorized state and forward additional traffic The important part to know at this point is that the softw...

Page 71: ... advertise the changed key to the connected wireless clients If configured to implement dynamic key exchange the 802 1x authentication server can return session keys to the access point along with the accept message The access point uses the session keys to build sign and encrypt an EAP key message that is sent to the client immediately after sending the success message The client can then use con...

Page 72: ...ign of the NIC s hardware in both the station and the access point TKIP was a pragmatic compromise that allows organizations to deploy better security while AES capable equipment is being designed manufactured and incrementally deployed Is WPA Perfect WPA is not without its vulnerabilities Specifically it is susceptible to denial of service DoS attacks If the access point receives two data packets...

Page 73: ...Bus WG511U Wireless Networking Basics B 21 August 2004 Wireless network adapters Wireless client programs Check the NETGEAR web site for WPA enabled updates to NETGEAR products For wireless devices in your network from other vendors check with the vendor regarding WPA support ...

Page 74: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U B 22 Wireless Networking Basics August 2004 ...

Page 75: ...nstalled as well Most operating systems includes the software components you need for networking with TCP IP Windows 95 or later includes the software components for establishing a TCP IP network In your TCP IP network each PC and the wireless access point must be assigned a unique IP addresses Each PC must also have certain other TCP IP configuration information such as a subnet mask netmask a do...

Page 76: ...otocol and the Client for Microsoft Networks If you need to add TCP IP a Click the Add button b Select Protocol and then click Add c Select Microsoft d Select TCP IP and then click OK If you need to add the Client for Microsoft Networks a Click the Add button b Select Client and then click Add c Select Microsoft d Select Client for Microsoft Networks and then click OK If you need to add File and P...

Page 77: ...ork The simplest way to configure this information is to allow the PC to obtain the information from a DHCP server in the network You will find there are many similarities in the procedures for different Windows systems when using DHCP to configure TCP IP The following steps will walk you through the configuration process for each of these versions of Windows Locate your Network Neighborhood icon ...

Page 78: ...aring Your PCs for Network Access August 2004 Verify the following settings as shown Client for Microsoft Network exists Ethernet adapter is present TCP IP is present Primary Network Logon is set to Windows logon Click on the Properties button The following TCP IP Properties window will display ...

Page 79: ...Uncheck all boxes in the LAN Internet Configuration screen and click Next 6 Proceed to the end of the Wizard Verifying TCP IP Properties After your PC is configured and has rebooted you can check the TCP IP configuration using the utility winipcfg exe 1 On the Windows taskbar click the Start button and then click Run By default the IP Address tab is open on this window Verify the following Obtain ...

Page 80: ... the PC preparation process you may need to install and configure TCP IP on each networked PC Before starting locate your Windows CD you may need to insert it during the TCP IP installation process Install or Verify Windows Networking Components To install or verify the necessary components for IP networking 1 On the Windows taskbar click the Start button point to Settings and then click Control P...

Page 81: ...will walk you through the configuration process for each of these versions of Windows DHCP Configuration of TCP IP in Windows XP Locate your Network Neighborhood icon Select Control Panel from the Windows XP Start Menu Select the Network Connections icon on the Control Panel This will take you to the next step Now the Network Connection window displays The Connections List that shows all the netwo...

Page 82: ...twork Connection Status window This box displays the connection status duration speed and activity statistics Administrator logon access rights are needed to use this window Click the Properties button to view details about the connection The TCP IP details are presented on the Support tab page Select Internet Protocol and click Properties to view the configuration information ...

Page 83: ...g the steps below to configure TCP IP with DHCP for Windows 2000 Verify that Obtain an IP address automatically radio button is selected and that the Obtain DNS server address automatically radio button is selected Click the OK button This completes the DHCP configuration in Windows XP Repeat these steps for each PC with this version of Windows on your network Click on the My Network Places icon o...

Page 84: ... of Components checked are used by this connection Client for Microsoft Networks and Internet Protocol TCP IP Click OK With Internet Protocol TCP IP selected click on Properties to open the Internet Protocol TCP IP Properties dialogue box Verify that Obtain an IP address automatically is selected Obtain DNS server address automatically is selected Click OK to return to Local Area Connection Proper...

Page 85: ...k the Start button and then click Run The Run window opens 2 Type cmd and then click OK A command window opens 3 Type ipconfig all Your IP Configuration information will be listed and should match the values below if you are using the default TCP IP settings that NETGEAR recommends for connecting through a router or gateway The IP address is between 192 168 0 2 and 192 168 0 254 The subnet mask is...

Page 86: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U C 12 Preparing Your PCs for Network Access August 2004 ...

Page 87: ...rtificates and public key authentication For details on EAP specifically refer to IETF s RFC 2284 802 11a IEEE specification for wireless networking at 54 Mbps operating in unlicensed radio bands over 5GHz 802 11b IEEE specification for wireless networking at 11 Mbps using direct sequence spread spectrum DSSS technology and operating in the unlicensed radio spectrum at 2 5GHz 802 11g A soon to be ...

Page 88: ...tion are really who they claim to be DHCP An Ethernet protocol specifying how a centralized DHCP server can assign network configuration information to multiple DHCP clients The assigned information includes IP addresses DNS addresses and gateway router addresses DNS Short for Domain Name System or Service an Internet service that translates domain names into IP addresses Because domain names are ...

Page 89: ...proof of identity which the AP gets from the user and then sends back to the server to complete the authentication EAP is defined by RFC 2284 EAP TLS EAP TLS provides strong security through mutual authentication and automatic key exchange between the two endpoints Periodic updates are performed using public key cryptography through a certificate server and a Remote Authentication Dial In User Ser...

Page 90: ... stations it is referred to as a Basic Service Set BSS An Extended Service Set ESS is a set of two or more BSSs that form a single subnetwork Most corporate wireless LANs operate in infrastructure mode because they require access to the wired LAN in order to use services such as file servers or printers Internet Protocol The main internetworking protocol used in the Internet Used in conjunction wi...

Page 91: ...e Internet Drafts that have been proposed to simplify 802 1X deployment PEAP requires certificate based RADIUS server authentication but supports an extensible set of user authentication methods Organizations that have not yet issued certificates to every station and don t want to just for 802 1X can use Windows logins and passwords instead RADIUS servers that support EAP TTLS and PEAP can check L...

Page 92: ... subnets TCP IP The main internetworking protocols used in the Internet The Internet Protocol IP used in conjunction with the Transfer Control Protocol TCP form TCP IP TLS Short for Transport Layer Security a protocol that guarantees privacy and data integrity between client server applications communicating over the Internet The TLS protocol is made up of two layers The TLS Record Protocol layere...

Page 93: ...less Ethernet Compatibility Alliance WECA see http www wi fi net an industry standards group promoting interoperability among 802 11b devices Windows Internet Naming Service WINS Windows Internet Naming Service is a server process for resolving Windows based computer names to IP addresses If a remote network contains a WINS server your Windows PCs can gather information from that WINS server about...

Page 94: ...User s Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32 bit CardBus WG511U 8 Glossary August 2004 ...

Page 95: ...Ds description 7 11 12 O Open System authentication 7 P passphrase 2 R RTS Threshold 4 5 7 S Shared Key authentication 7 SSID 3 2 T TCP IP properties verifying for Windows 5 W WEP 2 10 Wi Fi 1 7 Windows configuring for IP routing 1 6 winipcfg utility 5 Wired Equivalent Privacy See WEP Wireless Ethernet 1 wireless network name 3 Index ...

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