Edimax Technology Edimax Wireless LAN Cardbus Adapter Network Card User Manual
Contents
1. 6 Whatis BSS ID A specific Ad hoc LAN is called a Basic Service Set BSS Computersin a BSS must be configured with the same BSS ID 7 What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a 40 bit shared key algorithm asdescribed in the IEEE 802 11 standard 27 8 What is TKIP TKIP isa quick fix method to quickly overcome the inherent weaknesses in WEP security especially the reuse of encryption keys TKIP is involved in the IEEE 802 11i WLAN security standard and the specification might be officially released by early 2003 9 What is AES AES Advanced Encryption Standard a chip based security hasbeen developed to ensure the highest degree of security and authenticity for digital information wherever and however communicated or stored while making more efficient use of hardware and or software than previous encryption standards It is also included in IEEE 802 111 standard Compare with AES TKIP is a temporary protocol for replacing WEP security until manufacturers implement AES at the hardware level 10 Can Wireless products support printer sharing Wireless products perform the same function as LAN products Therefore Wireless products can work with Netware Windows 2000 or other LAN operating systems to support printer or file sharing 11 Would the information be intercepted while transmitting on air WLAN features two fold protection in security On the hardware side as with Direc2. This Chapter describes setting up security using the Atheros Client Utility ACU While using the Atheros USB wireless network adapter encryption data can protect its as it is transmitted through the wireless network While using the Atheros USB wireless network adapter encrypting data can protect its privacy asitis transmitted through the wireless network The ACU allows connection profiles of No security not recommended Link encryption decryption is disabled no keys are installed o WPA security Enables the use of WEI Protected Access WPA This option requires IT administration This option indudes the EAP with dynamic WEP keys security protocols EAP PEAP and LEAP WPA isa standard based interoperable security enhancement that provides data protection and access control for witeless LAN systems It is derived from and is forward compatible wth the upcoming IEEE 802 1 1i standard WPA leverages Temporal Key Integrity Protocol TKIP and Michael message integrity check MIC for data protection and 802 1 X forauthenticated key management WPA supports two mutually exclusive key management types WPA and WPA passphrase also known as WPA Pre Shared Key PSK Using WPA clients and the authentication server authenticate to each other using an EAP authentication method and the client and server generate a pairwise master key PMK The server generates the PMK dynamically and passes it to the access point o WPA PSK s
3. your driver installation CD then select the uninstall option then press enter 5 In the device manager if Atheros USB Wireless Adapter Firmware Downloader shows up under USB Controllers please right click on the item and select uninstall to uninstall the device It is recommended that you uninstall the Atheros Client Utility reboot your computer and reinstall the Atheros Client Utility should this situation ever occur 6 In Windows ME if you receive an error about IPHLPAPI DLL please logoff your account and re login your account 7 In Windows 98SE ME Errors may be encountered when the drivers are installed through the Found New Hardware Wizard by choosing Don t search will choose the driver to install To prevent this error please follow page 7 of this user s manual Frequently Asked Questions FAQ 1 What is the IEEE 802 11g standard 802 11g is the new IEEE standard for high speed wireless LAN communications that provides for up to 54 Mbps data rate in the 2 4 GHz band 802 119 isquicky becoming the next mainstream wireless LAN technology for the home office and public networks 26 802 119 defines the use of the same OFDM modulation technique specified in IEEE 802 11a for the 5 GHz frequency band and appliesit in the same 2 4 GHz frequency band as IEEE 802 11b The 802 11g standard requires backward compatibility with 802 11b The standard specifically calls for A A new physical layer
4. General tab to configure the configuration profile Make sure to also edit the Security and Advanced tabs Select the profile to remove from the list of configuration profiles 1 From the Profile Management tab click the Import button The Import Profile window appears 2 Browse to the directory where the profile is located 3 Highlight the profile name 4 Click Open The imported profile appears in the profiles list 1 From the Profile Management tab highlight the profile to export 2 Click the Export button The Export Profile window appears 12 3 Browse to the directory to export the profile to 4 Click Save The profile isexported to the specified location Order Profiles Including a profile in the auto selection feature allows the wireless adapter to automatically select that profile from the list of profiles and use it to connect to the network 3 3 Diagnostics The client utility includes a number of toolsto display current diagnosticsand status information Parameter Description Adapter Information The Adapter Information button contains general information about the network interface card the wireless network adapter and the network driver interface specification NDIS driver Advanced Statistics The Diagnostics tab of the Atheros Client Utility provides buttons used to retrieve receive and transmit statistics The Diagnostics tab does not require any configuration 13 3 4 Security
5. Wireless Adapter Bootloader Download has not passed Windows Logo testing to verify its compatibility with Windows xP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway The installer continues installation 13 Windows may display a Windows Logo error for the WLAN driver Click Click Continue Anyway Hardware Installation as The software you are installing for this hardware Atheros USB 2 0 Wireless Network Adapter has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing 3 STOP Installation The installer continues installation 14 Click OK at the prompt to reboot and complete the installation Atheros Client Installation Program x t The Installation Program has successfully performed the selected operations but the system needs to be rebooted e before all of
6. interference and 2 this device must accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate equipment Federal Communication Commission FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure set forth for an uncontrolled environment In order to avoid the possibility of exceeding the FCC radio frequency exposure limits human proximity to the antenna shall not be less than 20cm 8 inches during normal operation R amp TTE Compliance Statement This equipment complies with all the requirements of DIRECTIVE 1999 5 CE OF THE EUROPEAN PARLIAMENT AND THE COUNCIL of March 9 1999 on radio equipment and telecommunication terminal Equipment and the mutual recognition of their conformity R amp TTE The R amp TTE Directive repeals and replaces in the directive 98 13 EEC Telecommunications Terminal Equipment and Satellite Earth Station Equipment As of April 8 2000 Safety This equipment is designed with the utmost care for the safety of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this and of the computer manufacture must therefore be allowed at all times to ensure the safe use of the equipment EU Countries I
7. server from which the client will accept a certificate The login name used for PEAP tunnel authentication fillsin automatically as PEAP XXXXXXXXXXXX Where XXXXXXXXXXXX iS the computer s MAC address Change the login name if needed Click OK Enable the profile 21 Using LEAP Security Important Note LEAP security requires that all infrastructure devices e g access points and servers are configured for LEAP authentication Check with the IT manager To use security Inthe Atheros Client Utility access the Security tab in the Profile Management window Configuring LEAP The LEAP authentication type uses Cisco Key Integrity Protocol CKIP and MMH message integrity check MIC for data protection The USB device uses the username and password to perfom mutual authentication wth the RADIUS server through the access point To use LEAP security access the Security tab in Profile Management 1 In the ACU edit the security settings by dicking New or Modify on the Profile Management tab 2 Choose a profile to edit or name the new profile in the Profile Management window Enterthe SSID of the access point the station connects to 3 On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button 4 Choose LEAP from the drop down menu LEAP Settings 2 xi LEAP username and password settings Use Temporary User Name and Password manualy Prompt for LEAP Us
8. the changes will take effect Click OK to reboot the system Installing the Atheros USB Wireless Network Adapter To install the USB driver and the Atheros Client Utility see To install the ACU and USB device driver on page 2 1 To install the USB Device Driver separately 1 Insert the USB device into the computer The Found New Hardware Wizard opens Choose advanced installation and click Next 2 Choose Search for driver in these locations The driver is located in the Ndis5x 2KXP directory For Windows 98SE ME computers the driver is located in the Ndis5x 98ME Found New Hardware Wizard Please choose your search and installation options Let Y Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed X Include this location in the search F ndis5x 2kxp v Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware 3 Windows may display a Windows Logo error for the bootloader Click Continue Anyway The installer will continue with the installation Hardware Installation A The software you are installing for this hardware Atheros USB 2 0 Wireless Adapter Bootloader Download has not passed W
9. tray icon and choosing Atheros Client Utility II Using the Configuration Utility To setup the USB adapter double click the icon in the system tray 9 For Windows XP there isa Windows Zero Configuration Tool by default for you to setup wireless clients If you want to use the Utility of the USB adapter please follow one of the ways as below Wireless Network Connection 2 D H ub le click th e icon The following wireless network s are available To access a Click Advance wireless network select it from the list and then click Connect Uncheck Use Windows to Available wireless networks configure my wireless i network settings i GAME_ADP oz This wireless network is not secure Because a network key WEF is not used for authentication or for data encryption data sent over this network might be subject to unauthorized access C Allow me to connect to the selected wireless network even though it is not secure If you are having difficulty connecting to a network click Advanced Edvanced gt Connect Cancel oe 4 Wireless Network Connection 2 Properties Kill General Wireless Networks Advanced iise Windows to configu wireless network setting Available networks To connect to an available network click Configure i 0 i GAME_ADP Ls Preferred networks Automatically connect to available networks in the order listed below Move up Move down Le
10. 5 that Allow Association to Mixed Cells is checked on the Security Tab to allow association Pre Shared Enables the use of pre shared keys that are defined on both the i access point and the station Key Static i WEP To define pre shared encryption keys choose the Pre Shared Key radio button and click the Configure button to fill in the Define Pre Shared Keys window If the access point that the wireless adapter is associating to has WEP set to Optional and the client has WEP enabled make sure that Allow Association to Mixed Cells is checked on the Security Tab to allow association None No security not recommended 3 4 1 WPA Security Settings EAP Security To use EAP security access the Security tab in Profile Management 1 In the ACU edit the seaurity settings by clicking Newor Modify on the Profile Management tab 2 Choose a profile to edit or name the new profile in the Profile Management window Enter the SSI D of the access point the station connects to 3 On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button 4 Choose EAP TLS or EAP TTLS from the drop down menu 16 Using EAP TLS Security Important Note To use EAP TTLS security the machine must already have the EAP TTLS certificates downloaded onto it from a Certificate Authority CA Please check with your IT administrator To use EAP TLS security In the Atheros Client Utility access the Secu
11. GTC or PEAP EAPMSCHAP V2 authentication to the network occurs in the following sequence 1 The dient associates to an access point and begins authentication 2 Communicating through the access point the dent and RADIUS server complete authentication with the password LEAP and PEAP or certificate EAP TLS The password is never transmitted during the process 3 After successful authentication the cient and RADIUS server detive a dynamic WEP key unique to the cient 4 The RADIUS server transmits the key to the access point using a secure channel on the wired LAN 5 For the length of a session the access point and the dient use this key to encrypt or decrypt all unicast packets and broadcast packets Overview Of the Security Configuration Options In ACU Radio Button Description WPA Enables the use of Wi Fi Protected Access WPA Choosing WPA opens the WPA EAP drop down menu The options include EAP TLS EAP TTLS PEAP EAP GTC PEAP EAP MSCHAP V2 LEAP WPA Enables WPA Passphrase security Passphrase Clickon the Configure button and fill in the WPA Passphrase 802 1x Enables 802 1x security This option requires IT administration Choosing 802 1x opens the 802 1 x EAP type drop down menu The options include EAP TLS EAP TTLS PEAP EAP GTC PEAP EAP MS CHAP V2 LEAP If the access point that the wireless adapter is associating to has WEP set to Optional and the client has WEP enabled make sure 1
12. NETWORKING PEOPLE TOGETHER 802 11g Wireless LAN Mini USB Adapter User Manual Version 1 32 June 7 2005 COPYRIGHT Copyright 2005 2006 by this company All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of this company This company makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Further this company reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation to notify any person of such revision or changes All brand and product names mentioned in this manual are trademarks and or regi ste red trademarks of their respective holders Federal Communication Commission Interference Statement This equipment has been tes
13. WPA Passphrase security In the Atheros Client Utility access the Security tab in the Profile Management window 1 In the ACU edit the security settings by dicking New or Modify on the Profile Management tab 2 Choose a profile to edit or name the new profile in the Profile Management window Enter the SSID of the access point the dient computer connects to 3 On the Security tab choose WPA Passphrase 4 Click on the Security tab and choose the WPA PSK radio button Click the Configure button Define WPA Pre Shared Key Enter a WPA Passphrase between 8 and 64 characters long Cancel 23 5 Enter the WPA passphrase for ASCII text enter 8 63 characters for hexadecimal enter 64 characters Click OK 6 Click OK and enable the profile 3 4 3 Pre Shared Encryption Keys To use Pre Shared Key static WEP security In the Atheros Client Utility access the Security tab in the Profile Management window 1 In the ACU edit the security settings by dicking New or Modify on the Profile Management tab 2 Choose a profile to edit or name the new profile in the Profile Management window Enter the SSID of the access point the dient computer connects to 3 On the Security tab choose Pre Shared Key Static WEP Defining pre shared encryption keys 1 Clickthe Define Pre Shared Keys radio button on the Security tab 2 Clickon Configure 3 Fill in the fields in the WEP Encryption
14. all Driver Only Installs only the driver without installing the client utilities 4 Make Driver Creates driver installation diskettes Installation Di ske tte s 6 A prompt appears warning that the install requires the system to be rebooted at the end of the installation process Click Yes to continue 7 Choose the setup directory The default is C Program Files Atheros Click Next 8 Choose the program folder for the start menu The default is Atheros Click Next 9 Fora windows XP installation the next screen defines the Windows Zero Configuration Windows XP Zero Configuration provides functionality to automatically try to connect the station to available wireless networks For complete information on Windows Zero Configuration see the Microsoft web site 10 In this installation select the Atheros Client Utility and Supplicant x Choose Configuration Tool Which tool will you use to configure your client adapter Third Party Supplicant InstallShield lt Back Cancel Click Next The installer automatically installs the driver 11 Make sure that the USB device is inserted If it is not insert it then cancel the found New Hardware Wizard if it appears Proceed with the installation Click OK 12 Windows may display a Windows Logo error for the USB bootloader Click Continue Anyway Hardware Installation dd The software you are installing for this hardware Atheros USB 2 0
15. arn about setting up wireless network configuration 10 3 Configuration Utility The Client Utility is a user mode utility designed to edit and add profiles for as well as display and diagnostics pertaining to a selected wireless USB adapter 3 1 Wireless Connection Status When you open the Configuration Utility the system will scan all the channelsto find all the access points stations within the accessible range of your card and automatically connect to the wireless device with the highest signal strength From the screen you may know all the infomration about the wireless connection 11 3 2 Profile Management Atheros Client Utility Current Profile AA Action Options Help Default Profile Management Diagnostics default Activate Details Network Type Infrastructure Import Security Mode None Network Name 1 SSID1 AA Export Network Name 2 SSID2 lt empty gt aoe Network Name 3 SSID3 lt empty gt P Ante Select Profiles Parameter New Modify Remove Import Export Order Profiles Description To add a new configuration profile click New on the Profile Management tab To modify a configuration profile select the configuration from the Profile list and click the Modify button In the Atheros Client Utility access the General tab by clicking New or Modify on the Profile Management tab Edit the fields in the
16. curity access the Security tab in the Profile Management window 1 In the ACU edit the security settings by dicking New or Modify on the Profile Management tab 2 Choose a profile to edit or name the new profile in the Profile Management window Enterthe SSID of the access point the client computer connects to 3 On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button 4 Choose PEAP EAP GTC or PEAP EAP MSCHAP V2 from the drop down menu PEAP EAP GTC authentication is designed to support one time Password OTP Windows 2000 domain and L DAP user databases over a wireless LAN It is based on EAP TLS authentication but uses a password instead of a client certificate for authentication PEAP EAPGTC uses a dynamic session based WEP key derived from the USB device and RADIUS server to encrypt data Networks that use an OTP user database require entering a hardware or software token password to start the PEAP EAP GTC authentication process and to gain access to the network Networks that use a Windows 2000 domain user database or an L DAP user database such as NDS require entering a username password and domain name in order to start the PEAP EAP GTC authentication process The PEAP EAP MSCHAP V2 authentication type is based on EAPTLS authentication but uses password instead of a dient certificate for authentication PEAP EAPMSCHAP V2 uses a dynamic session based WEP
17. curity tab choose the 802 1x radio button 2 Choose EAP TTLS from the drop down menu Enabling EAP TTLS security Define EAP TTLS Configuration Trusted Root Certification Authorities User Information for EAP TTLS Authentication User Name fasonu Password E Confirm Password Doo O O Advanced Cancel 1 If EAP TTLS is supported choose EAP TTLS from the drop down menu on the right then click the Configure button 2 Selectthe appropriate certificate from the drop down list and click OK 3 Specify a user name for EAP authentication o Check Use Windows User Name to use the Windows user name as the EAP user name o OR Entera EAP username in the User Name field to use a separate user name and password and start the EAP authentication process 4 Click Advanced and o Leave the server name field blank for the client to accept a certificate from any server with a certificate signed by the authority listed in the Network Certificate Authority drop down list recommended o Enter the domain name of the server from which the client will accept a certificate o Change the login name if needed 5 Click OK 6 Enable the profile 18 Using PEAP GTC Security Important Note To use PEAP EAP GTC security the server must have WPA PE AP certificates and the Certificate Authority CA server properties must already be set up Please check with your IT administrator To use PEAP se
18. e bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal thatis in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiveris not tuned to the right frequency a spread spectrum signal 28 looks like background noise There are two main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS 29
19. e search F ndisSx 2kxp v O Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware 7 Windows may display a Windows Logo error for the WLAN driver Click Continue Anyway The installer will continue the installation Hardware Installation 4 D The software you are installing for this hardware Atheros USB 2 0 Wireless Network Adapter has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing i STOP Installation 8 Click Finish to close the Found New Hard ware Wizard and complete installation of the Atheros USB Network Adapter Found New Hardware Wizard S Completing the Found New S Hardware Wizard SS The wizard has finished installing the software for ES Atheros USB 2 0 Wireless Network Adapter Click Finish to close the wizard Use the ACU to configure the device driver The ACU provides extensive online help to aid in configuring the device Access the ACU by right clicking the
20. ecurity Enables WPA passphrase security also known as WPA Pre Shared Key PSK o 802 1x security Enables 802 1x security This option requires IT administration This option indudes the EAP with dynamic WEP keys security protocols EAP PEAP and LEAP 802 1xis the standard for wreless LAN security defined by IEEE as 802 1x for 802 11 or imply 802 1x An access point that supports 802 1x and its protocol Extensible Authentication Protocol EAP acts as the interface between a wreless client and an authentication server such asa RADIUS server to which the access point communicates over the wred network o Pre Shared Key security Static WEP Static WEP enables the use of up to four pre shared static wired equivalent privacy WEP keys that are defined on both the ac ss point and the client station These keys are stored in an encrypted formatin the registry of the Windows devi When the driver loads and reads the USB device s registry parameters it also finds the static WEP keys decrypts them and stores them in volatile memory on the USB device If a device receives a packet that is not encrypted with the appropriate key the device discards the packet and never delivers it to the intended recipient 14 This is because the WEP keys of all devices that are to communicate with each other must match Authentication Process Enabling EAP on the access point and configuring the USB device to LEAP EAP TLS PEAP EAP
21. er Name and Password User Name Password Confirm Password Domain IV Include Windows Logon Domain with User Name IV No Network Connection Unless User Is Logged In LEAP Authentication Timeout Value in seconds 90 el oe 1 Clickthe Configure button 2 Specify a user name and password Select to Use Temporary User Name and Password by choosing the radio button 22 o Check Use Windows User Name to use the Windows user name as the LEAP user name o OR Check Manually Prompt for LEAP User Name and Password to manually login and start the LEAP authentication process Select to Use Saved User Name and Password by choosing the radio button o Specify the LEAP username password and domain to save and use 3 Enter the username and password 4 Confirm the password 5 Specify adomain name o Check the Include Windows Logon Domain with User Name setting to pass the Windows login domain and username to the RADIUS server default o OR Entera specific domain name 6 If desired check No Network Connection Unless User Is Logged In to force the wireless adapter to disassociate after logging off 7 Enter the LEAP authentication timeout time between 30 and 500 seconds to specify how long LEAP should wait before declaring authentication failed and sending an error message The default is90 seconds 8 Click OK 9 Enable the profile 3 4 2 Using WPA Passphrase Security To use
22. ess LAN Mini USB Adapter This USB Adapteris designed to comply with IEEE 802 11g Wireless LAN standard and easy to carry with the Mini size Itis suitable for any Laptop or Desktop computers This adapter supports 64 128 152 bit WEP data encryption that protects your wireless network from eavesdropping It also supports WPA Wi Fi Protected Access feature that combines IEEE 802 1x and TKIP Temporal Key Integrity Protocol technologies Client users are required to authorize before accessing to APs or AP Routers and the data transmitted in the network is encrypted decrypted by a dynamically changed secret key It supports the SuperG mode feature to enhance the data rate to reach to 108Mbps it can enhance the data rate when it connect with Super G product This adapteris with the versatile features itis the best solution for you to build your wireless network 1 1 Features e Complies with the IEEE 802 11b and IEEE 802 119 2 4GHz standards Up to 54Mbps high data transfer rate 108M Super G mode enabled Support 64 1 28 152 bit WEP WPA IEEE 802 1x high level of security Complies with IEEE 802 11d country roaming standard Support the most popular operating system Windows 98SE Me 2000 XP Supports USB 2 0 1 1 1 0 interface e Portable and mini size design Suitable for Any Notebook or Desktop PC 1 2 Specifications e Standard IEEE 802 11g o e Bus Type USB 2 0 Type A Frequency Band 2 4000 2 4835GHz Indust
23. forthe 802 11 Medium Access Control MAC in the 2 4 GHz frequency band known as the extended rate PHY ERP The ERP adds OFDM as a mandatory new coding scheme for 6 12 and 24 Mbps mandatory speeds and 18 36 48 and 54 Mbps optional speeds The ERP includes the modulation schemes found in 802 11b including CCK for11 and 5 5 Mbpsand Barker code modulation for 2 and 1 Mbps B A protection mechanism called RTS CTS that governs how 802 1 1g devices and 802 11b devices interoperate 2 What is the IEEE 802 11b standard The IEEE 802 11b Wireless LAN standard subcommittee which formulates the standard for the industry The objective is to enable wireless LAN hardware from different manufactures to communicate 3 What does IEEE 802 11 feature support The product supports the following IEEE 802 11 functions e CSMA CA plus Acknowledge Protocol e Multi Channel Roaming eAutomatic Rate Selection eRTS CTS Feature eFragmentation ePower Management 4 What is Ad hoc An Ad hoc integrated wireless LANisa group of computers each has a Wireless LAN adapter Connected as an independent wireless LAN Ad hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation 5 What is Infrastructure An integrated wireless and wireless and wired LAN is called an Infrastructure configuration Infrastructure is applicable to enterprise scale for wireless access to central database or wireless application for mobile workers
24. g static WEP key to overwrite Delete the asterisks in that field Enter a new key Make sure to select the Transmit Key button to the left of this key is selected for the key to transmit packets Click OK Disabling Static W EP To disable static WEP fora particular profile choose None on the Profile Management tab and click OK OR Select any other security option on the Profile Management tab to automatically disable static WEP 25 4 Troubleshooting This chapter provides solutions to problems usually encountered during the installation and operation of the adapter 1 For Windows 98SE computers if the Atheros Client Utility fails to load after properly installation click on the windows Start button on your toolbar select the run button and enter C Windows system aegis2 exe into the dialog box then press enter a dialog box will pop up please select install then press enter 2 For Windows XP or Windows XP SP1 please update your windows with the following hotfix http s upport micros oft com scid k b 3 Ben us 3 B822603 amp x 10 amp y 13 if your copy of Windows XP has been updated with Service Pack 2 SP2 you do not need to apply this hotfix 3 Before Uninstalling the Atheros Client Utility and the Device Drivers please make sure the Atheros Super G USB dongle is unplugged from the computer 4 To Uninstall the Atheros Client Utility please double click on setup on
25. indows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway STOP installation 4 Click Finish to close the Found New Hardware Wizard and complete installation of the USB device bootloader 5 The Found New Hardware Wizard opens to install software for the USB device Click Next to continue Found New Hardware Wizard Welcome to the Found New D Hardware Wizard This wizard helps you install software for AR5523 JIL lf your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Recommended 6 Choose Search for driver in these locations The driver is located in the Ndis5x 2KXP directory For Windows 98SE ME computers the driver is located in the Ndis5x 98ME Found New Hardware Wizard Please choose your search and installation options Dags ag Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found wll be installed M Include this location in th
26. key which is derived from the USB device and RADIUS server to encrypt data To use PEAP GTC security In the Atheros Client Utility access the Security tab in the P rofi L le Management window On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button Choose PEAP EAP GTC from the drop down menu Click the Configure button Select the appropriate network certificate authority from the drop down list Specify a user name forinner PEAP tunnel authentication Check Use Windows User Name to use the Windows user name as the PEAP user name OR Entera PEAP username inthe User Name field to use a separate user name and start the PEAP authentication process 19 Define PEAP EAP GTC Configuration Trusted Root Certification Authorities User Name IER Set Password C Token Ge Static Password Advanced Cancel 7 Choos Token or Static Password depending on the user database Note that Token usesa hardware token device or the Secure Computing SofTo ken program version 1 3 or later to obtain and enter a one time password during authentication 8 Click Advanced and Leave the server name field blank for the client to accept a certificate from any server with a certificate signed by the authority listed in the Network Certificate Authority drop down list recommended Enter the domain name of the server from which the client wil
27. keys dialog box Define Pre Shared Keys GG Hexadecimal 0 9 A F C ASCII Text fall keyboard characters r Encryption Keys Transmit WEP Key Size Key 64 128 152 WEP Key1 C Oo WEP Key2 C C WEP Key 3 C C WEP Key4 C C Key Button Description Key Entry Determines the entry method for an encryption key hexadecimal 0 9 A F or ASCII text all keyboard characters except spaces Encryption Keys Selects the default encryption keys used Only allows the selection for a shared First Second Third or Fourth key whose corresponding field has been completed WEP Keys 1 4 Defines a set of shared encryption keys for network 24 4 configuration security At least one Shared Key field must be populated to enable security using a shared key Clickon the radio button to set the key as the default encryption key WEP Key Size Defines the size foreach encryption key The options include o 64 bit enter 10 digits for hexadecimal 5 ASCII characters o 128 bit enter 26 digits for hexadecimal 13 digits for ASCII o 152 bit enter 32 digits hexadecimal 16 digits for ASCII Click OK for the changes to take effect Overwriting an Existing Static WEP Key iz 2 Click the Define Pre Shared Keys radio button on the Security tab Clickon Configure In the window all existing static WEP keys are displayed as asterisks for security reasons Click in the field of the existin
28. l accept a certificate 9 The login name used for PEAP tunnel authentication fillsin automatically as PE AP XXXXXXXXXXXX Where XXXXXXXXXXXX s the computer s MAC address Change the login name if needed 10 Click OK 11 Enable the profile Using PEAP MSCHAP V2 Security Important Note To use PEAP EAP MSCHAP V2 security the servermust have WPA PEAP certificates and the server properties must already be set Check with the IT manager To use PEAP MSCHAP V2 security In the Atheros Client Utility access the Security tab in the Profile Management window 1 On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button 2 Choose PEAP EAP MSCHAP V2 from the drop down menu 3 Click the Configure button 4 Select the appropriate certificate from the drop down list 20 5 6 K 8 Define PEAP EAP MSCHAP 2 Configuration Specify a user name forinner PEAP tunnel authentication Check Use Windows User Name to use the Windows user name as the PEAP user name OR Enter a PEAP username in the User Name field to use a separate user name and start the PEAP authentication process Click Advanced and Leave the server name field blank for the client to accept a certificate from any server with a certificate signed by the authority listed in the Network Certificate Authority drop down list recommended Enter the domain name of the
29. ntended for Use The ETSI version of this device is intended for home and office use in Austria Belgium Denmark Finland France Germany Greece Ireland Italy Luxembourg the Netherlands Portugal Spain Sweden and the United Kingdom The ETSI version of this device is also authorized for use in EFTA member states Iceland Liechtenstein Norway and Switzerland EU Countries Not intended for use None CONTENTS 1 ERREECHEN tenses 1 ket APBA TURES EE 1 LZ SPECIFICATIONS Eeer Kee degen ed Ee AE egen EE RSA 1 e PPACK AGE ACONT EE 2 2 INSTALLATION PROCEDURE ee 3 3 CONFIGURATION UTILITY cciccccsssswosincesasuwenstenesiinen ianeseids 11 3 1 WIRELESS CONNECTION STATUS gege squares wiv lana amends 11 3 2 PROFLEMANAGEMENT aa enprest cromen eg A E EE A OE ERAN geg 12 3 3 DIAGNOSTICS a ee ee Ae ee 13 SE CA D I i EE 14 3 4 1 WPA Security Setg ngs 0 cence teen eee ene ene eneeneeneee 16 EAP TLS Security petenis ugoen LO EAP TTLS Secu rity E EEN PEAP EAP GTC Security FAE eet Seambyeedantvretent reese ies E PEAP EAP MSCHAP We Security AE LEAP Security er anal 3 4 2 Using WPA Passphrase Security 23 3 4 3 Pre Shared Encryption ke 24 OVERWRITING AN EXISTING STATIC WEP KEY ooosssnnnnosssonnnsssosenrsssererssseseerese 25 DISABLING STATIC WEP circe ioiii udaa e e Stes tints aa a aa aeaii 25 4 TROUBLES HOO TING eege Ee Reeg Ee 26 1 Introduction Thank you for purchasing the 802 11g Wirel
30. re program and to abide by the constraints and requirements of this License Agreement IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS AGREEMENT CLICK THE NO BUTTON AND THE INSTALLATION PROCESS WILL NOT CONTINUE IF YOU DO NOT AGREE TO BE SO BOUND PROMPTLY DELETE THE SOFTWARE PROGRAM AND ALL ACCOMPANYING MATERIALS SESESETEZETESESE This End User License Agreement Agreement is a legal agreement between you End E do not accept the terms of the license agreement InstallShield lt Back Cancel 4 The Atheros license agreement window appears Read and accept the agreement to continue Click Next 5 The Installation Program window appears with three setup options Atheros Client Installation Program BR Setup Type Select the setup type that best suits your needs Click the type of setup you prefer Install Client Utilities and Driver recommended p Description Install Driver Only Choose this option to install the Make Driver Installation Diskettes driver and client utilities This is the recommended option InstallShield lt Back Cancel To install the client utilities and driver select the appropriate installation type see Table 2 1 and click Next Table 2 1 I nstaller I nstallation Selections Radio Button Description Install Client Installs the driver and client utilities Thisis the recommends Utilitie s and option Driver recommended Inst
31. res are similar for Windows 98SE ME 2000 Note4 If you have installed the Wireless PC Card driver amp utility before please uninstall the old version first This chapter describes using the Atheros installer to install the Atheros USB wireless network adapter driver Installation Important Note For Windows 2K XP Please ensure that the USB adapter is plugged into the computer before starting the installation program For Windows 98SE do not plug in the device before starting the installation program To install the ACU and USB device driver 1 For Windows 2k XP insert the USB device into the computer for windows 98SE do not insert the device and insert the installation CD 2 Open the InstallShield Wizard setup2k exe for Windows XP 2000 and setup98 exe for Windows98SE ME Atheros Client Installation Program x Atheros Client Installation Program This program installs the driver and client utilities for your Atheros Wireless LAN Client Adapter S Cancel 3 The Atheros Client Installation installer opens Click Next Atheros Client Installation Program License Agreement Please read the following license agreement carefully ATHEROS COMMUNICATIONS INC END USER LICENSE AGREEMENT By clicking the YES button or otherwise signifying agreement in the manner indicated in this display window you are agreeing to be bound by the following terms and conditions of use of this Softwa
32. rial Scientific Medical Band Modulation OFDM with BPSK QPSK 16QAM 64QAM 11g BPSK QPSK CCK 1 1b e Data Rate 54 48 36 24 18 12 11 9 6 5 5 2 1Mbps auto fallback 108Mbps Super G enabled e Securty 64 1 28 152 bit WEP Data Encryption WPA IEEE 802 1x Antenna Internal Antenna e Drivers Windows 98SE Me 2000 XP e LED Link Activity e Transmit Power 16dBm Typical Dimension 9 H x 27 W x 87 D Temperature 32 131 F 0 55 C Humidity 0 95 NonCondensing e Certification FCC CE 1 3 Package Contents Before you begin the installation please check the itemsof your package The package should include the following items One USB Adapter One USB 2 0 Extension Cable 100 cm One Quick Guide One CD Driver Utlity Manual Ifany of the above items is missing contact your supplier as soon as possible 2 Installation Procedure Before you proceed with the installation please read the following chapter Note1 For Windows 98SE please make sure your copy of windows is fully updated with the latest hotfixes by going to http windowsupdate microsoft com Note2 For Windows XP or Windows XP SP1 please update your windows with the following hotfix http support microsoft com scid kb 3Ben us 3B 822603 amp x 10 amp y 13 if your copy of Windows XP has been updated with Service Pack 2 SP2 you do not need to apply this hotfix Note3 The following installation was operated in Windows XP Procedu
33. rity tab in the Profile Management window Profile Management General Security Advanced Set Security Options Ce WPA WPA EAP Type JEAP TLS EAP S PEAP EAP GTC C 8021x 802 1x EAP Type PAI EAP MSCHAP V2 C Pre Shared Key Static WEP C None Configure E alloy Asssciation to Mied Cells 1 On the Security tab choose the WPA radio button OR On the Security tab choose the 802 1x radio button 2 Choos EAP TLS from the drop down menu Enabling EAP TLS security Important Note To use EAP TTLS security the machine must already have the EAP TTLS certificates downloaded onto it from a Certificate Authority CA Please check with your IT administrator 1 If EAP TLS is supported choose EAP TLS from the drop down menu on the right then click the Configure button 2 Select the appropriate certificate authority from the list The server domain name and the login name are filled in automatically from the certificate information Click OK 3 Click OK 4 Activate the profile 17 Using EAP TTLS Security Important Note To use EAP TTLS security the machine must already have the EAP TTLS certificates downloaded onto it from a Certificate Authority CA Please check with your IT administrator To use EAP security In the Atheros Client Utility access the Security tab in the Profile Management window 1 On the Security tab choose the WPA radio button OR On the Se
34. t Sequence Spread Spectrum technology it has the inherent security feature of scrambling On the software side WLAN seriesoffer the encryption function WEP to enhance security and Access Control Users can set it up depending upon their needs 12 What is DSSS Whatis FHSS And whatare their differences Frequency hopping spread spectrum FHSS uses a narrowband carrier that changes frequency in a pattern that is known to both transmitter and receiver Properly synchronized the net effect isto maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct sequence spread spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip is the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the radio can recover the original data without the need for retransmission To an unintended receiver DSSS appears aslow power wideband noise and is rejected ignored by most narrowband receivers 13 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military foruse in reliable secure mission critical communication systems Itis designed to trade off bandwidth efficiency for reliability integrity and security In other words mor
35. ted and found to comply with the limits fora Class B digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference ina residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio technician for help FCC Caution This equipment must be installed and operated in accordance with provided instructions and a minimum 5 cm spacing must be provided between computer mounted antenna and person s body excluding extremities of hands wrist and feet during wireless modes of operation This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful
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