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3Com WL-542 Network Router User Manual

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1. 6 Enter the PCR SCR MBS values 7 Select the connection type from the Connect Type drop down menu 10 11 Always Connected means that Internet connection to your ISP is always on Auto Triggered by Traffic means your Router will automatically connect to your ISP every time a PC needs to access the Internet Manual Start in Disconnected means that after re booting the Router the Internet connection will need to be re established manually by the user a Manual Start in Connected means that after re booting the Router it will automatically establish connection to your ISP a Manual Start in Last State means that after re booting the Router the Internet connection will stay in the previous condition before the reboot If you want your Router to automatically disconnect from the Internet after a period of inactivity specify a time in the d e Time Minutes field Enter a value of O to disable this timeout Enter the User Name assigned to you by your ISP in the User Name field And enter the password assigned to you by your ISP in the Password field Re enter your password in the Confirm Password field Enter the MTU value supplied by your ISP If you do not know this leave it at the default value Click Apply Internet Settings 49 PPPoA PPP over ATM this is a popular choice among European DSL providers To configure this page correctly you should obtain the information on this page from your ISP
2. Figure 39 PPPoA Settings Screen PPPoA z T VC mE eo po 5 pooo Subnet Mask p 000 Connect Type Auto Triggered by trafic x Idle Time Minute 1 Select PPPoA from the Protocol drop down menu 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields 3 Select the encapsulation type LLC or VC MUX in the Encapsulation Type field This information is provided to you by your ISP 4 Select the type of Quality of Service CBR UBR or VBR in the QoS field CBR constant bit rate the CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applications for example those which do not require tightly constrained delay and delay variation such as traditional computer communications applications The UBR service may be considered as best effort service VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and 50 CHAPTER 5 CONFIGURING THE ROUTER non real time NRT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connec
3. a CBR constant bit rate the CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applications for example those which do not require tightly constrained delay and delay variation such as traditional computer communications applications The UBR service may be considered as best effort service VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and Internet Settings 55 non real time NRT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR 6 Enter the PCR SCR MBS values 7 If your ISP uses DHCP to automatically assign IP addresses check the DHCP Client box 8 Click Apply Disable Selecting this option means that you do not want your Router to connect to the Internet Figure 43 Disable Internet Connection Screen DNS Domain Name Service or Server an Internet service that translates domain names into IP addre
4. 1 Power off the Router 2 Disconnect all your computers and the telephone line from the Router 3 Re apply power to the Router and wait for it to finish booting up Wireless Networking 85 4 Press and hold the Reset button on the rear panel see Rear Panel on page 13 for 5 seconds 5 The Router will restart and when the start up sequence has completed browse to http 192 168 1 1 and run the configuration wizard You may need to restart your computer before you attempt this 6 When the configuration wizard has completed you may reconnect your network as it was before Wireless Networking a Ensure that you have an 802 11b or 802 11g wireless adapter for each wireless computer and that it is correctly installed and configured Verify that each Wireless computer has either Windows 95 or higher or MAC OS 8 5 or higher a Verify that your wireless computers are configured to work in Infrastructure mode and not Ad Hoc mode The Router contains an Access Point that is designed to operate in Infrastructure mode Ad Hoc mode is not supported by the Router m If you have a wired and a wireless NIC in the same computer ensure that the wired NIC is disabled m Check the status of the WLAN LED it should be lit if wireless is enabled and will flash when there is wireless activity If not lit go to Wireless Settings on page 39 and enable wireless networking a Ensure that the TCP IP settings for all devices are corre
5. 5 Connecting the Router 17 Figure 5 Connecting the Router Wireless Users 1 Run the provided telephone cable from the wall jack providing ADSL service to the ADSL port on your ADSL Router When inserting an ADSL RJ 11 plug be sure the tab on the plug clicks into position to ensure that it is properly seated If you are using splitterless ADSL service add low pass filters between the ADSL wall jack and your telephones These filters pass voice signals through but filter data signals out 2 Then f you are using a full rate G dmt connection your service provider will attach the outside ADSL line to a data voice splitter In this case you can connect your phones and computer directly to the splitter as shown below Figure 6 Or If you are using a splitterless G lite connection then your service provider will attach the outside ADSL line directly to your phone system In this case you can connect your phones and computer directly to the incoming ADSL line but you will have to add low pass filters to your phones as shown below Figure 7 18 CHAPTER 2 INSTALLING THE ROUTER Figure 6 Installing with a splitter ADSL Router a Ethemet hub or switch Connecting the Router 19 Figure 7 Installing without a splitter Plan Old Telephone System POTS Interface Device NID ns Ethemet hub or switch You have now completed the hardware installation of your Router Next y
6. Ethernet user name in the Username text box 2 Enter your PPP over Ethernet password in the Password text box 3 Re type your PPP over Ethernet password in the Retype Password text box Enter your VPI and VCI information in the VPI VC text boxes Select the encapsulation type LLC or VC MUX in the Encapsulation drop down list This information will have been provided to you by your ISP Check all of your settings and then click Next The Wireless Settings screen is displayed 7 8 RE WN Accessing the Setup Wizard 29 Figure 16 Wireless Settings Screen Support Feedback Set the Wireless Channel you want to use from the Channel drop down list Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name PPPoA Mode Figure 17 PPPoA Screen The following information are usually provided by your ISP Username Password Retype Password vrnfvei Encapsulation To set up the router for use with a PPP over ATM PPPoA connection use the following procedure Enter your PPP over ATM user name in the Username text box Enter your PPP over ATM password in the Password text box Re type your PPP over ATM password in the Retype Password text box Enter your VPI and VCI information in the VPI VC text boxes 30 CHAPTER 4 RUNNING THE SETUP WIZARD 5 Select the encapsulation type LLC or VC MUX
7. THE SETUP WIZARD Accessing the Setup The Router setup program is Web based which means that it is accessed Wizard through your Web browser Netscape Navigator 4 7 or higher Internet Explorer 5 0 or higher or Mozilla 1 2 1 or higher To use the Setup Wizard 1 Ensure that you have at least one computer connected to the Router Refer to Chapter 2 for details on how to do this 2 Launch your Web browser on the computer 3 Enter the following URL in the location or address field of your browser http 192 168 1 1 Figure 11 The Login screen displays Figure 11 Web Browser Location Field Factory Default File Edit View Favorites Tools Help da Back fat search Favorites Address E Http 1 192 168 1 1 4 To log in as an administrator enter the password the default password is admin in the Password field and click Log in Figure 12 26 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 12 Router Login Screen OfficeConnect a Enter System P d System Password default admin Log in c 5 When you have logged in either a The Status screen will appear Figure 13 Select Setup Wizard from the menu or m f your Router has not been configured before the Wizard will launch automatically refer to Figure 14 6 You will be guided step by step through a basic setup procedure Figure 13 Status Screen 2 05 dul 12 2005 10 33 26 0673 08 040 03 02 06 00A o1 Access From The Internet Firewall Un
8. and other countries licensed exclusively hrough X Open Company Ltd Netscape Navigator is a registered trademark of Netscape Communications avaScript is a trademark of Sun Microsystems Wi Fi and the Wi Fi logo are registered trademarks of the WI Fi Alliance EEE and 802 are trademarks of the Institute of Electrical and Electronics Engineers Inc All other company and product names may be trademarks of the respective companies with which they are associated ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations To uphold our policy we are committed to Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations Reducing the waste generated by all operations Ensuring that all waste conforms to recognized environmental standards Maximizing the recyclable and reusable content of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labelled according to recognized environmental standards Improving our environmental record on a continual basis End of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all end of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Sta
9. and unshielded cable types Maximum cable length of 100m 327 86 ft 96 APPENDIX B TECHNICAL SPECIFICATIONS SAFETY INFORMATION Important Safety Information gt gt SF PPE amp gt WARNING Warnings contain directions that you must follow for your personal safety Follow all directions carefully You must read the following safety information carefully before you install or remove the unit WARNING The Router generates and uses radio frequency rf energy In some environments the use of rf energy is not permitted The user should seek local advice on whether or not rf energy is permitted within the area of intended use WARNING Exceptional care must be taken during installation and removal of the unit WARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions WARNING There are no user replaceable fuses or user serviceable parts inside the Router If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide contact your
10. are correct at the time of publication Find a current directory of contact information posted on the 3Com Web site at http csoweb4 3com com contactus Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repair Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan 1 800 678 515 Philippines 1235 61 266 2602 or 800 933 486 1800 1 888 9469 61 2 9424 5179 or PR of China 800 810 3033 000800 650 1111 Singapore 800 6161 463 001 803 61009 S Korea 080 333 3308 00531 616 439 or Taiwan 00801 611 261 03 3507 5984 Thailand 001 800 611 2000 1800 801 777 0800 446 398 61 2 9937 5083 You can also obtain support in this region using the following e mail apr_technical_support 3com com Or request a repair authorization number RMA by fax using this number 65 543 6348 Europe Middle East and Africa Telephone Technical Support and Repair From anywhere in these regions call 44 0 1442 435529 From the following countries you may use the numbers shown 106 APPENDIX E OBTAINING SUPPORT FOR YOUR PRODUCT Country Telephone Number Country Telephone Number Austria 0800 297 468 Luxembourg 800 23625 Belgium 0800 71429 Netherlands 0800 0227788 Denmark 800 17309 Norway 800 11376 Finland 0800 113153 Poland 00800 4411 357 France 0800 917959 Portugal 800 831416 Germany 0800 182 1502 South Africa 0800 995 014 Hungary 06800 12813 Spain 900 938 919 Ireland 1
11. changes and constitutes the best security solution In a wireless network where not all devices support WPA WEP Wired Equivalent Privacy should be used Figure 32 WPA PSK no server Screen WPA PSK no server TKIP Z Wireless Protected Access with a Pre Shared Key Support Feedback To enable WPA PSK Enter the pre shared key in the Pre shared Key PSK field The pre shared key is a password in the form of a word phrase or series of letters and numbers The key must be between 8 and 63 characters long and can include spaces and symbols Note that each client that connects to the network must use the same key 42 CHAPTER 5 CONFIGURING THE ROUTER 2 Optionally check the Hide PSK check box if you want the key that you gt enter to be shown on the screen as a series of asterisks Click Apply 128 bit WEP WEP is the basic mechanism to transmit your data securely over the wireless network Matching encryption keys must be setup on your Router and wireless client devices to use WEP Figure 33 128 bit WEP Screen To automatically ganarate hex pairs using PassPhrase input it here D Denen To enable 128 bit WEP You can enter the 128 bit WEP key manually enter your WEP key as 13 pairs of hex digits 0 9 A F Or you can generate the 128 bit WEP key automatically a enter a memorable passphrase in the Passphrase box and then click Generate to generate the hex keys from the passphras
12. class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR 6 Enter the PCR SCR MBS values 7 If your ISP uses DHCP to automatically assign IP addresses check the DHCP Client box 8 Click Apply Dynamic Fixed IP in 1483 Bridge Mode For Multiple PCs Your ISP uses fixed dynamic IP to provide the Internet connection To configure this function correctly you should obtain the information on this page from your ISP 54 CHAPTER 5 CONFIGURING THE ROUTER Figure 42 Dynamic Fixed IP for Bridge Mode Screen SL Wireless 11g Firewall Router Dynamic Fixed IP in 1483 Bridge Mode ooo pooo pooo a nm 7 After clicking Edit on the ATM PVC page the ATM Interface page appears Select Dynamic Fixed IP for Bridge Mode from the Protocol drop down menu Enter the IP address Subnet Mask and Default Gateway information provided by your ISP into the P address Subnet Mask and ISP Default Gateway fields Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields Select the encapsulation type LLC or VC MUX in the Encapsulation field This information will have been provided to you by your ISP Select the type of Quality of Service that you want from the QoS Class drop down menu
13. down list select whether your router will operate in 11b mode only 11g mode only or mixed 11b and 11g 5 Click Apply Encryption This feature prevents any non authorized party from reading or changing your data over the wireless network Figure 31 Encryption Screen WPA WiFi Protected Access wea WPA PSK no server Encryption technique TKIP Encryption Pre shared Key PSK WDS Configuration Internet Settings Wireless Protected Access with a Pre Shared Key Firewall The key is a password in the form of a word phrase or series of letters and numbers The key must be Advanced between 8 and 63 characters long and can indude spaces and symbols Each dient that connects to the System Tool network must use the same key Pre Shared Key Status and Lo Hide PSK F Support Feedback From this screen you can select the wireless security mode that you want to use There are five selections m Disabled see page 41 Wireless Settings 41 m WPA PSK no Server see page 41 a 128 bit WEP see page 42 m 64 bit WEP see page 43 a WPA with RADIUS Server see page 44 Select the required value from the drop down list and press Apply Disabled In this mode wireless transmissions will not be encrypted and will be visible to everyone However when setting up or debugging wireless networks it is often useful to use this security mode WPA PSK no server WPA WiFi Protected Access provides dynamic key
14. limitation of exposure of the general public to electromagnetic fields 0 Hz to 300 GHz This device must not be co located or operated in conjunction with any other antenna or transmitter US FEDERAL COMMUNICATIONS Commission FCC EMC COMPLIANCE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a 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 m Reorient or relocate the receiving antenna m Increase the separation between the equipment and receiver m Connect the equipment into an outlet on a circuit different from that to which the receiver is connected m Consult the dealer or an experienced radio TV technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful The Interference Handbook This book
15. or changed It is recommended that you backup your current configuration before performing a firmware update The Restore Settings option will allow you to restore a previously saved configuration Please select the configuration file using the Browse button and click Restore Upgrade Admin Password System Tools 77 From time to time 3Com may release new versions of the Router firmware Firmware updates contain improvements and fixes to problems that may have existed Figure 66 Upgrade Screen dr gt 3com Setup Wizard Firewall Advanced Please download the firmware file to your PC first and then click Browse and select the firmware file Click Upgrade to upload the firmware to the Router The Router ships with a default password of admin 3Com recommends that you change the password for added security Keep your password in a safe place as you will need this password to log into the router in the future It is also recommended that you set a password if you plan to use the Remote management feature of this Router Figure 67 Admin Password Screen 78 CHAPTER 5 CONFIGURING THE ROUTER To change the password 1 Enter the current password into the Current Password field 2 Enter the new password into the New Password and Confirm new Password fields 3 Click Apply The login timeout option allows you to set the period of time that you can be logged into the Router s setup interface The timer sta
16. out position the unit is off Ethernet Ports Using suitable RJ45 cables you can connect your Router to a computer or to any other piece of equipment that has an Ethernet connection for example a hub or a switch These ports have an automatic MDI MDIX feature which means either straight through or a crossover cable can be used INSTALLING THE ROUTER Introduction Safety Information AN AN AN This chapter will guide you through a basic installation of the Router including m Connecting the Router to the Internet m Connecting the Router to your network m Setting up your computers for networking with the Router Please note the following WARNING Please read the Safety Information section in Appendix C before you start VORSICHT Bitte lesen Sie den Abschnitt Wichtige Sicherheitshinweise sorgf ltig durch bevor Sie das Ger t einschalten AVERTISSEMENT Veuillez lire attentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Router You should place the Router in a location that m is conveniently located for connection to the telephone socket a is centrally located to the wireless computers that will connect to the Router A suitable location might be on top of a high shelf or similar furniture to optimize wireless connections to computers in both horizontal and vertical directions allowing wider coverage m allows convenient c
17. password To remotely manage the Router the remote user should type into their browser http lt Router WAN IP address gt 8000 Any IP address can remately D manage the router NAT m NAT Before you enable NAT Network Address Translation make sure you have changed the administrator password NAT is the method by which the router shares the single IP address assigned by your ISP with the computers on your network This function should only be disabled by advanced users and if your ISP assigns you multiple IP addresses or you need NAT disabled for an advanced system configuration If you have a single IP address and gt Advanced 69 you turn NAT off the computers on your network will not be able to access the Internet Other problems may also occur a IPSEC NAT T Pass through NAT T NAT Traversal is an Internet Draft proposed to IETF in order to help the problems associated with passing IPsec traffic through NAT Routers For NAT T to work both ends of the connection need to support this function Ensure that you select NAT T only if it is needed as it will reduce LAN WAN throughput The ADSL Wireless 11g Firewall Router supports NAT T draft 2 implementation Universal Plug and Play Universal Plug and Play is a technology that offers seamless operation of voice messaging video messaging games and other applications that are Universal Plug and Play compliant Some applications require the Router s firewall
18. the Password text box enter the account password Click Apply to make this service active 74 CHAPTER 5 CONFIGURING THE ROUTER SNMP SNMP Simple Network Management Protocol allows remote management of your router by a PC that has an SNMP management agent installed SNMP Community Figure 62 SNMP Screen Enable SNMP Enable SNMP C Enable Disable Valid Version 1 Bes 2 Ds 2 bP pb BO oswwzl PB BT Brenz To Configure SNMP In the Community column enter the name of the SNMP communication channel Your SNMP management agent needs to be configured with this name so that it can communicate with your router In the Access column select Read to allow the management agent to collect data for example bandwidth usage from your router Select Write to allow the management agent to change the configuration of your router Check the appropriate Valid check box to enable the communication channel System Tools 75 SNMP Trap You can configure your router to send status messages to the SNMP management agent if a problem occurs on the network To configure traps 1 In the P Address field enter the IP address of the PC to which you want your router to send status messages 2 In the Community field enter the name of the SNMP communication channel to which you want your router to send status messages 3 Set the Version field to match the version of trap messaging that your SNMP manage
19. the wireless configuration supported by the Router You will need to ensure all of your clients are set up to use infrastructure mode in order for them to communicate with the Access Point built into your Router see also Ad Hoc mode Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of packets to addressed devices An IP address consists of 32 bits divided into two or three fields a network number and a host number or a network number a subnet number and a host number Internet Protocol Address A unique identifier for a device attached to a network using TCP IP The address is written as four octets separated with periods full stops and is made up of a network section an optional subnet section and a host section IP Security Provides IP network layer encryption IPSec can support large encryption networks such as the Internet by using digital certificates for device authentication When setting up an IPSec connection between two devices make sure that they support the same encryption method Internet Service Provider An ISP is a business that provides connectivity to the Internet for individuals and other businesses or organizations Local Area Network A network of end stations such as PCs printers servers and network devices hubs and switches that cover a relatively small geographic area usuall
20. 1 r Enter a description for the filter you are defining in the Client PC Description field Enter the IP address or IP address range into the Client PC IP Address fields Select the services to be blocked A list of popular services is given on this screen to block a particular service place a check in the appropriate Blocking check box If the service to be restricted is not listed on the screen you can enter a custom range of ports at the bottom of the page under User Defined Blocked Ports If you want the restriction to only apply at certain times select the schedule rule to apply from the Schedule Rule drop down list Note that Schedule Rules are defined on the Schedule Rule page see page 64 Click OK to add the settings 62 CHAPTER 5 CONFIGURING THE ROUTER URL Filter To configure the URL filter feature use the table on the URL Filter page to specify the Web sites www somesite com and or keywords you want to filter on your network For example entering a keyword of xxx would block access to any URL that contains the string xxx Figure 51 URL Filter Screen OfficeConnect aosL Wireless 119 Firewall Router Client IP Filters Tome 3 Denied xl me Deniea z Genies Denied Genies Genies z3 ons Genies z a Denies z Denies D CZE C bel To complete this configuration you will need to create or modify an access rule in t
21. 11b or 802 11g wireless NIC a An active ADSL subscription and connection a A Web browser that supports JavaScript such as Netscape 4 7 or higher Internet Explorer 5 0 or higher or Mozilla 1 2 1 or higher Front Panel The front panel of the Router contains a series of indicator lights LEDs that help describe the state of various networking and connection operations Figure 3 Router Front Panel 2 OfficeConnect ADSL Wireless 11g Firewall Router Green 100M Yellow 10M Flash Activity 3CRWDR100A 72 r LAN Status 4 Power SYNC OnlineWLAN 1 2 8 2 gt 1 Power LED Green Indicates that the Router is powered on 2 SYNCLED Green If the LED is on it indicates that DSL connection is present This LED flashes during configuration at power up Rear Panel 13 3 Online LED Green If this LED is on your username password has been authenticated successfully with your ISP Wireless LAN WLAN Status LED Green If the LED is on it indicates that wireless networking is enabled If the LED is flashing the link is OK and data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Router or there is a problem Refer to Chapter 6 Troubleshooting LAN Status LEDs Green If the LED is on the link between the port and the next piece of network equipment is OK If the LED is flashing the link is OK and data is being transmitt
22. 2 This guide is intended for use by those responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks and Internet Routers If a release note is shipped with the ADSL 11g Wireless Router and contains information that differs from the information in this guide follow the information in the release note Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF on the 3Com World Wide Web site http www 3com com Naming Convention Throughout this guide the OfficeConnect ADSL Wireless 11g Firewall Router is referred to as the Router Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide 6 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or A potential damage to an application system or device Warning Information that alerts you to potential personal h injury Table 2 Text Conventions Convention Description The words enter When you see the word enter in this guide you must type and type something and then press Return or Enter Do not press Return or En
23. 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden gt gt 99 VORSICHT Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Ger t vorhanden Wenn Sie ein Problem mit dem Router haben das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann setzen Sie sich mit Ihrem Lieferanten in Verbindung VORSICHT Vor dem Ausbau des Ger ts das Netzadapterkabel herausziehen VORSICHT RJ 45 Anschl sse Dies sind abgeschirmte RJ 45 Datenbuchsen Sie k nnen nicht als Telefonanschlu buchsen verwendet werden An diesen Buchsen d rfen nur RJ 45 Datenstecker angeschlossen werden Consignes importantes de securite gt LE B DB AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour garantir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Router fournit et utilise de l nergie radio lectrique radio fr quence rf L utilisation de l nergie radio lectrique est interdite dans certains environnements L utilisateur devra se renseigner sur l autorisation de cette nergie dans la zone pr vue AVERTISSEMENT Faites tr s attention lors de l installation et de la d pose du groupe AVERTISSEMEN
24. 800 553 117 Sweden 020 795 482 Israel 1800 945 3794 Switzerland 0800 553 072 Italy 800 879489 UK 0800 096 3266 You can also obtain support in this region using the following URL http emea 3com com support email html Latin America Telephone Technical Support and Repair Antigua Barbuda Argentina Local Number Argentina Argentina Aruba Bahamas Barbados Belize Bermuda Bolivia Brazil Local Number Brazil British Virgin Islands Cayman Islands Chile Columbia Local Number Colombia Costa Rica Curacao Dominica Dominique Equador El Salvador French Guiana Grenada AT amp T 800 988 2112 54 11 5556 3200 0 810 444 3COM 810 44 32 66 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 55 11 5643 2700 800 133 266 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 57 1 592 5000 800 011 3266 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 T amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 Guadalupe Guatemala Guyana Haiti Honduras Jamaica Mexico Local Number Mexico Mexico Monserrat Nicaragua Panama Paraguay Peru Puerto Rico Saba Anquila St Kitts Neives St Lucia St Vincent Suriname Trinidad and Tobago Turks and Caycos Uruguay Montevideo Venezuela Virgin Islands You can al
25. CES 117 GENERAL STATEMENTS The 3Com OfficeConnect ADSL 11g Firewall Router Model Number WL 542 3CRWDR100A 72 3CRWDR100A 72 3CRWDR100A 72 must be installed and used in strict accordance with the manufacturer s instructions as described in the user documentation that comes with the product This product contains encryption It is unlawful to export out of the U S without obtaining a U S Export License This product does not contain any user serviceable components Any unauthorized product changes or modifications will invalidate 3Com s warranty and all applicable regulatory certifications and approvals EXPOSURE TO RADIO FREQUENCY RADIATION US RADIO FREQUENCY REQUIREMENTS This device generates and radiates radio frequency energy In order to comply with FCC radio frequency exposure guidelines for an uncontrolled environment this equipment must be installed and operated while maintaining a minimum body to antenna distance of 20 cm approximately 8 in The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess of Health Canada limits for the general population consult Safety Code 6 obtainable rom Health Canada s website www hc sc gc ca rpb This product must maintain a minimum body to antenna distance of 20 cm Under these conditions this product will meet the Basic Restriction limits of 1999 519 EC Council Recommendation of 12 July 1999 on he
26. COMPLIANCE STATEMENT This Class B digital apparatus complies with Canadian ICES 003 AVIS DE CONFORMIT LA R GLEMENTATION D INDUSTRIE CANADA Cet appareil num rique de la classe B est conform la norme NMB 003 du Canada SAFETY COMPLIANCE NOTICE This device has been tested and certified according to the following safety standards and is intended for use only in Information Technology Equipment which has been tested to these or other equivalent standards m UL Standard 60950 3rd Edition or 60950 m CAN CSA C22 2 No 60950 or 60950 m IEC 60950 m EN 60950 EU COMPLIANCE CEO Usage restrictions apply See documentation For connection to ADSL networks This equipment may be operated in AT BE CY CZ DK EE FL FR DE GR HU IE IT LV LT LU MT NL PL PT SK SI ES SE GB IS LI NO CH BG RO TR ntended use ADSL 802 1 1g b Firewall Router For connection to ADSL networks 119 NOTE To ensure product operation is in compliance with local regulations select the country in which the product is installed Refer to 3CRWDR100A 72 3CRWDR100A 72 3CRWDR100A 72 User Guide English Finnish Dutch French Swedish German Greek Italian Spanish Portuguese Malti Estonian Hungarian Slovak Czech Slovene Lithuanian Latvian Hereby 3Com Corporation declares that this RLAN device is i
27. Close the TCP IP dialog box and save your changes Restart your computer 24 CHAPTER 3 SETTING UP YOUR COMPUTERS Disabling PPPOE and PPTP Client Software 3 Select the Connections Tab A screen similar to Figure 10 should be displayed gt If you have PPPoE client software installed on your computer you will need to disable it To do this From the Windows Start menu select Settings gt Control Panel Double click on Internet Options Select the Never Dial a Connection option Figure 10 Internet Properties Screen Internet Properties 2 x General Security Content Connections Programs Advanced bal Use the Internet Connection Wizard to see connect your computer to the Internet Remove Dial up settings ij Add Settings Never dial a connection Dial whenever a network connection is not present Always dial my default connection Current Dial up Connection Local Area Network LAN settings LAN Settings OK Cancel Apply You may want to remove the PPPoE client software from your computer to free resources as it is not required for use with the Router Disabling Web Proxy Ensure that you do not have a web proxy enabled on your computer Go to the Control Panel and click on Internet Options Select the Connections tab and click LAN Settings at the bottom Make sure that the Use Proxy Server option is unchecked A RUNNING
28. Connection Properties 6 Ensure that the options Obtain an IP Address automatically and Obtain DNS server address automatically are both selected as shown in Figure 9 Click OK Figure 9 Internet Protocol TCP IP Properties Screen Internet Protocol TCP IP Properties 7 Restart your computer Windows XP A W N ul Windows 98 ME Macintosh U FPF WN Obtaining an IP Address Automatically 23 From the Windows Start menu select Control Panel Click on Network and Internet Connections Click on the Network Connections icon Double click on LAN or High Speed Connection icon A screen titled Loca Area Connection Status will appear Select nternet Protocol TCP IP and click on Properties Ensure that the options Obtain an IP Address automatically and Obtain DNS servers automatically are both selected Click OK Restart your computer From the Windows Start Menu select Settings gt Control Panel Double click on Network Select the TCP IP item for your network card and click on Properties In the TCP IP dialog select the P Address tab and ensure that Obtain IP address automatically is selected Click OK If you are using a Macintosh computer use the following procedure to change your TCP IP settings From the desktop select Apple Menu Control Panels and TCP IP In the TCP IP control panel set Connect Via to Ethernet In the TCP IP control panel set Configure to Using DHCP Server
29. Consult your Computer Card documentation and vendor for more details Recovering from Corrupted Software 87 Recovering from Corrupted Software gt If the system software has become corrupted the Router will enter a recovery state DHCP is enabled and the LAN IP address is set to 192 168 1 1 Follow the instructions below to upload a new copy of the system software to a Router unit in this state Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD ROM The latest software is available on 3Com s Web site at www 3com com Remove power from the Router and disconnect the telephone line and all your computers except for the one computer with the software image You will need to reconfigure this computer to obtain an IP address automatically see Obtaining an IP Address Automatically on page 21 Restart the computer and re apply power to the Router 4 Using the Web browser on the computer enter the following URL in the location bar http 192 168 1 1 This will connect you to the Recovery utility in the Router Follow the on screen instructions Enter the path and filename of the software image file When the upload has completed the Router will restart run the self test and if successful resume normal operation Refer to the Installation Guide to reconnect your Router to the telephone line and the computers in your network Do not f
30. DMZ PC into the Public IP field so that only the computer on the Internet at this address can access this PC without firewall protection If the IP address is not known or if more than one PC on the Internet will need to access this PC then set the Public IPto 0 0 0 0 Click Apply 68 CHAPTER 5 CONFIGURING THE ROUTER Advanced From the Advanced screen you can configure m NAT Network Address Translation m Universal Plug and Play m WAN Ping Blocking m Remote Admin Three sub menu items can also be configures in this page m Routing m DDNS m SNMP Figure 57 Advanced Screen OfficeConnect ans wireless 119 Firewall Router NAT on Cor IPSEC NAT T Pass through Con or Universal Plug and Play The Universal Plug and Play architecture offers pervasive peer to peer network connectivity of PCs of all form factors intelligent apphances and wireless devices Universal Plug amp Play enables caamlece prosmity networking in to and data transfer among networked devices in the home office and everywhere in between Universal Plug amp Play CON OFF Support Feedback WAN Ping Blocking You can configure the Router not to respond to an ICMP Ping p ng to the WAN port Log Out Thus offers a heightened level of security Block ICMP Ping F Remote Administration Remote management allows you to manage the Router from anywhere on the internet Before you enable remote management 3Com advise you to change the Administrator
31. Disable System Tools Status and Logs Support Feedbac You can set up RIP independently on both LAN and WAN interfaces Select the RIP Mode Enable option Select the appropriate option to enable or disable Auto Summary Auto Summarization sends simplified routing data to other RIP enabled devices rather than full routing data Select the Operation Mode a Disabled RIP is not enabled for the WAN or LAN interface a Enabled RIP is enabled for the WAN or LAN interface The router will transmit RIP update information to other RIP enabled devices a Silent RIP is enabled however the router only receives RIP update messages it will not transmit any messages itself In the Version field select R Pv7 or RIPv2 72 CHAPTER 5 CONFIGURING THE ROUTER gt 3Com recommends that you only use RIPv1 if there is an existing RIP enabled device on your network that does not support RIPv2 In all other cases you should use RIPv2 Use the Poison Reverse drop down list to enable or disable Poison Reverse on the router Enabling Poison Reverse on your Router allows it to indicate to other RIP enabled devices that they have both routes that point to each other preventing data loops Use the Authentication Required field to choose one of three modes of authentication a None Switches off authentication on the specified interface m Password An unencrypted text password that needs to be set o
32. EN 3COM OfficeConnect ADSL Wireless 11g Firewall Router User Guide Model WL 542 3CRWDR100A 72 3CRWDR100B 72 3CRWDR100U 72 http www 3com com Part No DUA100A 72AAA02 Published August 2005 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 Copyright 2004 2005 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or ILICENSE TXT If you are u
33. ING AND USING THIS PRODUCT THE USE OF WHICH IS LICENSED BY 3COM CORPORATION 3COM TO ITS CUSTOMERS FOR THEIR USE ONLY AS SET FORTH BELOW DOWNLOADING INSTALLING OR OTHERWISE USING ANY PART OF THE SOFTWARE OR DOCUMENTATION INDICATES THAT YOU ACCEPT THESE TERMS AND CONDITIONS IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT DO NOT DOWNLOAD INSTALL OR OTHERWISE USE THE SOFTWARE OR DOCUMENTATION DO NOT CLICK ON THE I AGREE OR SIMILAR BUTTON AND IF YOU HAVE RECEIVED THE SOFTWARE AND DOCUMENTATION ON PHYSICAL MEDIA RETURN THE ENTIRE PRODUCT WITH THE SOFTWARE AND DOCUMENTATION UNUSED TO THE SUPPLIER WHERE YOU OBTAINED IT LICENSE 3Com grants you a nonexclusive nontransferable except as specified herein license to use the accompanying software program s in executable form the Software and accompanying documentation the Documentation subject to the terms and restrictions set forth in this Agreement You are not permitted to lease rent distribute or sublicense except as specified herein the Software or Documentation or to use the Software or Documentation in a time sharing arrangement or in any other unauthorized manner Further no license is granted to you in the human readable code of the Software source code Except as provided below this Agreement does not grant you any rights to patents copyrights trade secrets trademarks or any other rights with respect to the Software or Documentation Subject to the restr
34. Mode over ATM pooo f 000 pooo RB nm After clicking Edit on the ATM PVC page the ATM Interface page appears 1 Select Routing Mode over ATM from the Protocol drop down menu Enter the IP address Subnet Mask and Default Gateway information provided by your ISP into the P address Subnet Mask and ISP Default Gateway fields Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields Internet Settings 53 4 Select the encapsulation type LLC or VC MUX in the Encapsulation field This information will have been provided to you by your ISP 5 Select the type of Quality of Service that you want from the QoS Class drop down menu CBR constant bit rate the CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applications for example those which do not require tightly constrained delay and delay variation such as traditional computer communications applications The UBR service may be considered as best effort service VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and non real time NRT
35. NG THE ROUTER To enable the firewall function 1 Select the level of protection High Level Medium Level Low Level or Disable that you desire from the Firewall Enable Disable drop down menu 2 Click Apply Special Applications Special Applications let you choose specific ports to be open for specific applications to work properly with the Network Address Translation NAT feature of the Router Figure 47 Special Applications Screen OfficeConnect adst Wireless 119 Firewall Router g pE amp a lalalalaln BB A list of popular applications has been included to choose from Select your application from the Popular Applications drop down list Then select the row that you want to copy the settings to from the Copy To drop down list and click Copy To The settings will be transferred to the row you specified Click Apply to save the setting for that application If your application is not listed you will need to check with the application vendor to determine which ports need to be configured You can manually input this port information into the Router Virtual Servers Firewall 59 To manually enter the port information Specify the trigger port the one used by the application when it is initialized in the Trigger Port column and specify whether the trigger is TCP or UDP Specify the Public Ports used by the application that will need to be opened up in the firewall for the appl
36. T Pour garantir le respect des normes internationales de s curit utilisez uniquement l adaptateur lectrique remis avec cet appareil AVERTISSEMENT La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise AVERTISSEMENT L appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme CEI 60950 Ces 100 APPENDIX C SAFETY INFORMATION gt gt conditions ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions AVERTISSEMENT n y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs l int rieur du moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas tre r solu avec les actions de la r solution des probl mes dans ce guide contacter votre fournisseur AVERTISSEMENT D branchez l adaptateur lectrique avant de retirer cet appareil AVERTISSEMENT Ports RJ 45 Il s agit de prises femelles blind es de donn es RJ 45 Vous ne pouvez pas les utiliser comme prise de t l phone Branchez uniquement des connecteurs de donn es RJ 45 sur ces prises femelles END USER SOFTWARE LICENSE AGREEMENT 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING INSTALL
37. able the DHCP Server Function Default is ON Enabled Specify the Starting and Ending IP Pool Address Default is Starting 2 Ending 254 Specify the IP address Lease Time Default is Half day Specify a local Domain Name Default is NONE To make changes click LAN Settings on the main menu The Router will also provide you with a list of all client computers connected to the network LAN Settings w 4 ul LAN Setup 37 The LAN Settings screen is used to specify the LAN IP address of your Router and to configure the DHCP server Figure 27 LAN Settings Screen Select LAN Settings and then specify the Router P Address and Subnet Mask in the appropriate fields The default IP address of the Router is 192 168 1 1 If you want to use the Router as a DHCP Server click in the On check option If you need to you can change the range of addresses given out by the Router by changing the P Pool Start Address and P Pool End Address fields Specify the DHCP Lease time by selecting the required value from the Lease Time drop down list The lease time is the length of time the DHCP server will reserve the IP address for each computer Specify the Local Domain Name for your network This step is optional Check all of your settings and then click Apply 38 CHAPTER 5 CONFIGURING THE ROUTER gt DHCP Clients List The DHCP Clients List provides details on the devices that have received IP addresses from the Rou
38. adn mi pozadavky a dal mi p slu n mi ustanoven mi sm rnice 1999 5 ES iuo 3Com Corporation deklaruoja kad is RLAN device atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas iuo 3Com Corporation deklaruoja kad is RLAN device atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas Ar o 3Com Corporation deklar ka RLAN device atbilst Direkt vas 1999 5 EK b tiskaj m pras b m un citiem ar to saist tajiem noteikumiem A copy of the signed Declaration of Conformity can be downloaded from the Product Support web page for the 3Com OfficeConnect ADSL 11g Firewall Router 3CRWDR100A 72 3CRWDR100A 72 3CRWDR100A 72 at http www 3com com Also available at http support 3com com doc WL 542_EU_DOC pdf 120 EU RESTRICTIONS FOR USE IN THE 2 4GHZ BAND This device may be operated indoors or outdoors in all countries of the European Community using the 2 4GHz band Channels 1 13 except where noted below m In Italy the end user must apply for a license from the national spectrum authority to operate this device outdoors m In Belgium outdoor operation is only permitted using the 2 46 2 4835 GHz band Channel 13 m In France outdoor operation is only permitted using the 2 4 2 454 GHz band Channels 1 7 BRAZIL RF COMPLIANCE Este equipamento opera em car ter secund rio isto n o tem direito a prote o contra interfer ncia prejudicial mesmo de esta es d
39. c IP addressing if they are configured to acquire an address using DHCP but are unable to contact a DHCP server Automatic IP addressing is a scheme where devices allocate themselves 92 APPENDIX A IP ADDRESSING an IP address at random from the industry standard subnet of 169 254 x x with a subnet mask of 255 255 0 0 If two devices allocate themselves the same address the conflict is detected and one of the devices allocates itself a new address Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000 TECHNICAL SPECIFICATIONS This section lists the technical specifications for the OfficeConnect ADSL Wireless 11g Firewall Router OfficeConnect ADSL Wireless 11g Firewall Router Interfaces DSL connection LAN connection four 10Mbps 100Mbps dual speed Ethernet ports 10BASE T 100BASE TX WLAN Interfaces Standard IEEE 802 11g Direct Sequence Spread Spectrum DSSS Transmission rate 54Mbps automatic fallback to 48 36 24 18 12 or 6 Mbps Maximum channels 14 Range up to 304 8m 1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 6 12 18 24 36 48 Mbps 85 dBm 54 Mbps 66 dBm typical Modulation CCK BPSK QPSK OFDM Encryption 40 64 bit WEP 128 bit WEP WPA Maximum clients 128 O P Power 18dBm Standard IEEE 802 11b Direct Sequence Spread Spectrum DSSS Transmission rate 11bps automatic fallback to 5 5 2 o
40. ck Apply To refresh the list of available access points click Rescan Wireless Networking 46 CHAPTER 5 CONFIGURING THE ROUTER Internet Settings Connection Type From these pages you can configure the settings for your DSL connection The Internet Settings screen is used to configure the parameters for your DSL connection The information necessary to complete these screens should be obtained from your ISP Check with your ISP as for what type of connection you should choose Figure 37 Internet Settings Screen There are six options available for the DSL connection mode m PPPoE PPP over Ethernet providing routing for multiple PCs see page 47 m PPPoA PPP over ATM providing routing for multiple PCs see page 49 a Bridge Mode RFC1483 Bridged Mode for single PCs only see page 51 m Routing Mode over ATM RFC1483 Routed Mode for multiple PCs see page 52 m Dynamic Fixed IP in 1483 Bridge Mode for multiple PCs see page 53 a Disable To disable the Internet connection function see page 55 Click Edit to set the detail settings Internet Settings 47 PPPoE PPP over Ethernet providing routing for multiple PCs To configure this page correctly you should obtain the information on this page from your ISP Figure 38 PPPoE Settings Screen pooo poss FE FRE CE jan foo fo 1 Select PPPoE from the Protocol drop down menu 2 Then enter the IP address and Subnet Mask inf
41. ct a Ensure that the Wireless Clients are using the same SSID or Service Area Name as the Router The SSID is case sensitive m Ensure that the encryption method and level that you use on your clients are the same as those configured on the Router The Router cannot simultaneously support WPA and WEP encryption m Ensure that you have the Wireless computer enabled in the list of allowed MAC addresses if you are using MAC Address Filtering on the Router a If you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Router For more effective coverage you can try reorientating your antennae Place one antenna vertically and one horizontally to improve coverage 86 CHAPTER 6 TROUBLESHOOTING Additionally consider moving the wireless computer closer to the Router to confirm that the building structure or fittings are not adversely affecting the connectivity If this resolves the problem consider relocating the Wireless computer or the Router or trying a different channel on the Router Sources of interference The 2 4Ghz ISM band is used for 802 11b and 802 11g This is generally a licence free band for low power applications and you may have other devices at your location that operate in this frequency band You should take care to ensure that there are no devices like microwave ovens for example close to the Router or wireless computers as this could affect receiver sens
42. e The WEP keys on each device on the wireless network must be identical In 128 bit WEP mode only one WEP key key 1 can be specified 2 Click Apply Wireless Settings 43 64 bit WEP WEP is the basic mechanism to transmit your data securely over the wireless network Matching encryption keys must be setup on your Router and wireless client devices to use WEP Figure 34 64 bit WEP Screen gt 3C0M Setup Wizard 64bi WEP Th bob PB Rk PE BP m e e e be peo po p pe po po To automatically generate hex pairs using a he PassPhrase input it here Tooner To enable 64 bit WEP 1 Manually enter the key enter the WEP key as 5 pairs of hex digits 0 9 A F Automatically generate the key a enter a memorable passphrase in the Passphrase box and then click Generate to generate the hex keys from the passphrase For 64 bit WEP you can enter up to four keys in the fields Key 7 to Key 4 The radio button on the left hand side selects the key that is used in transmitting data Note that all four WEP keys on each device in the wireless network must be identical 2 Click Apply 44 CHAPTER 5 CONFIGURING THE ROUTER WPA with RADIUS Server WPA WiFi Protected Access provides dynamic key changes and constitutes the best security solution On a wireless network where not all devices support WPA WEP Wired Equivalent Privacy should be used Wireless Protected Access using a server to distrib
43. e 30 N NAT Network Address Translation 68 NAT T NAT Traversal 68 Network addresses 85 Networking wireless 81 NIC wireless 14 P Password 27 75 Poison Reverse 58 PPPoA 31 PPPOA Screen 31 PPPOA Settings Screen 52 PPPoE 26 30 31 PPPoE Screen 30 PPPoE Settings Screen 51 R Remote Admin 68 Reset to Factory Default Screen 73 Reset to Factory Defaults 80 Restart Router Screen 73 RFC 1483 Bridged Mode 32 53 RFC 1483 Routed Mode 34 RIP Routing Information Protocol 57 RIP Parameter Screen 58 Router Login Screen 28 Routing Mode Screen 34 Routing Table Screen 59 S Schedule Rule Screen 65 Setup Wizard 27 SNMP Community Screen 71 SNMP Trap Screen 72 Special Applications Screen 60 Specifications technical 89 SSID 31 32 33 35 36 43 Static Addressing 87 Static Route Parameters Screen 57 Status Screen 28 40 Subnet Mask 85 T TCP IP 23 25 85 Technical specifications 89 standards 89 Time and Time Zone screen 76 TZO com 70 U Universal Plug and Play 68 Upgrade Screen 74 URL Blocking Screen 64 V Virtual Servers Screen 61 VPIVCI 30 32 33 34 36 W WAN Ping Blocking 68 WDS 49 Web Browser Location Field 27 Web Proxy 26 WiFi Protected Access 45 48 Wireless networking 81 NIC 14 Wireless Configuration Scree 43 Wireless Settings Screen 31 32 33 35 36 43 Wireless WDS Settings Screen 49 WPA with RADIUS Server Screen 48 WPA PSK no server Screen 45
44. e Access Control section of this screen see Access Control on page 60 Figure 53 Schedule Rule Screen ficeConnect ansL Wireless 119 Firewall Router Client IP Filters Rule Comment Contigure Rule Name me No Valid Schedule Rule To add a schedule rule 1 Click Add Rule A screen similar to Figure 54 will appear Firewall 65 Figure 54 Add Schedule Rule Screen ficeConnect ansL wireless 119 Firewall Router Client IP Filters Edit Schedule Rule Name Comment Start Time hh mm End Time hh mm Every Day Sunday Monday Tuesday L een Wednesday NM NM Thursday Friday C os C RE C CC C m f n C CE C mm 5 m C RE es os Fi um Saturday 2 Enter aname and comment for the schedule rule in the Name and Comment fields 3 Specify the schedule rules for the required days and times note that all times should be in 24 hour format 4 Click Apply MAC Address The MAC Address Filter is a powerful security feature that allows you to Filtering specify which computers are allowed on the wireless network Any wireless computers attempting to access the network that are not specified in the filter list will be denied access Figure 55 MAC Address Filtering Screen 3C0M Setup Wizard OfficeConnect aosL Wireless 11g Firewall Router Address Filtering Address Fitenng r registered MAC address C Allow MAC Address Filtering List w
45. e amended only in a writing signed by both parties Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason please contact the 3Com subsidiary serving your country or write 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product Purchase Value Added Services Warranty and other service benefits start from the date of purchase so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you Warranty and other service benefits are enabled through product registration Register your product at http eSupport 3com com 3Com eSupport services are based on accounts that you create or have authorization to access First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration Repair Services and Service Request If you have trouble registering your product please contact 3Com Global Services for assistance To enhance response times or extend warranty benefits contact 3Com or your authorized 3Com reseller Value added services like 3Com Express gt M and Guardian M can include 24x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced engineers are available to manage your installation with minimal dis
46. ed or received If the LED is off nothing is connected or the connected device is switched off or there is a problem with the connection refer to Chapter 6 Troubleshooting The port will automatically adjust to the correct speed and duplex Rear Panel The rear panel Figure 4 of the Router contains four LAN ports one ADSL port a reset button a power switch and a power adapter socket Figure 4 Router Rear Panel Wireless Antennae The antennae on the product should be placed in a V position when initially installed CAUTION Do not force the antennae beyond their mechanical stops Rotating the antennae further may cause damage 14 CHAPTER 1 INTRODUCING THE ROUTER 7 10 11 ADSL Port Using the RJ11 cable provided you should connect your Router to the telephone socket via a splitter Power Adapter Socket Only use the power adapter that is supplied with this Router Do not use any other adapter Reset Button If you want to reset your Router to factory default settings and cannot access the web management interface for example due to a lost password then you may use this button Refer to Forgotten Password and Reset to Factory Defaults on page 84 for further details Power Switch Push this switch to the in position to turn the unit on In the
47. een shows Router status and statistics ADSL Status Figure 71 ADSL Status Screen ce 3C0M Setup Wizard OfficeConnect aost Wireless 11g Firewall Router Firewall Advan System Tools ADSL AT Operation Data Operation Data Noise Margin Artenuauon Defect Indication This screen shows ADSL modem status and statistics Status and Logs 81 ATM PVC Status Figure 72 ATM PVC Status Screen This screen shows ATM PVC status and statistics Click Disconnect to disconnect from your ISP Click Connect to connect to your ISP Logs Figure 73 Logs Screen This screen shows any attempts that have been made to gain access to your network as well as the system activities Click Refresh to update the display Click Clear to clear the log note that all current entries will be erased Click Save to save the log to disk in a text file When prompted for a location to save the file to specify a filename and location and then click OK 82 CHAPTER 5 CONFIGURING THE ROUTER Support Feedback You can use the Support Feedback screen to obtain support and help Support Figure 74 Support Screen SL Wireless 11g Firewall Router Ts Amis eon System contains a comorehensive online help system that and instructions about configuring the OfficeConnect Gateway How to use the help system Table of Contents If additional assistance is required please select one of the following inks Support from vour Net
48. elephone Technical Support and Repair To enable telephone support and other service benefits you must first register your product at http eSupport 3com com Warranty and other service benefits start from the date of purchase so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you When you contact 3Com for assistance please have the following information ready Product model name part number and serial number m Proof of purchase if you have not pre registered your product a A list of system hardware and software including revision level m Diagnostic error messages a Details about recent configuration changes if applicable Contact Us 105 To send a product directly to 3Com for repair you must first obtain a return authorization number RMA Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened at the sender s expense If your product is registered and under warranty you can obtain an RMA number online at http eSupport 3com com First time users will need to apply for a user name and password Contact Us Country 3Com offers telephone e mail and internet access to technical support and repair services To access these services for your region use the appropriate telephone number URL or e mail address from the list below Telephone numbers
49. er can be configured to restrict access to the Internet e mail or other network services at specific days and times Restriction can be set for a single computer a range of computers or multiple computers Access Control Access Control allows users to define the traffic type permitted or not permitted to the Internet Figure 49 Access Control Screen OfficeConnect avst wireless 11g Firewall Router Client IP Filters Ru mes sooty cancer This screen allows you to enable or disable all Access Control rules Select the appropriate Enable Filtering Function option and click Apply to save the settings To edit or delete specific existing Access Control rules click on Edit or Delete for the appropriate access control rule Firewall 61 To configure new access control to specific Internet services Click on Add PC A screen similar to Figure 50 will appear Figure 50 Add PC Screen Restricted Client PC Chont PC Description Chent PC IP Address 192 160 1 Service Name Detail Description Blocking HTTP TCP Port 80 3128 8000 8060 6001 Enable URL Filter HTTP Ref URL Filter Page Enable Content Filter HTTP Ref Content Filter Page E mail Sending SMTP TCP Port 25 News Forums NNTP TCP Port 119 E mail Receiving POP3 TCP Port 110 HTTPS TCP Port 443 FTP TCP Port 21 TCP Port 23 H 223 TCP Port 1720 UOP Port 53 r T D ra a D 5 D D D 5 D UDP Port 170
50. fication reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Union EU resident information necessary to achieve interoperability of the Software with other programs within the meaning of the EU Directive on the Legal Protection of Computer Programs is available to you from 3Com upon written request EXPORT RESTRICTIONS The Software including the Documentation and all related technical data and any copies thereof collectively Technical Data is subject to United States Export control laws and may be subject to export or import regulations in other countries In addition the Technical Data covered by this Agreement may contain data encryption code which is unlawful to export or transfer from the United States or country where you egally obtained it without an approved U S Department of Commerce export license and appropriate foreign export or import license as required You agree that you will not export or re export the Technical Data or any copies thereof or any products utilizing the Technical Data in violation of any applicable laws or regulations of the United States or the country where you legally obtained it You are responsible for obtaining any licenses to export re export or import the Technical Data n addition to the above the Product may not be used exported or re exported i into or to a national or resident of any country to which the U S has emba
51. graphically separate areas for example different buildings cities or countries The Internet is an example of a wide area network Wireless Distribution System WDS enables one or more Access Points to rebroadcast received signals to extend range and reach though this can affect the overall throughput of data Wireless Ethernet Compatibility Alliance An industry group formed to certify cross vendor interoperability and compatibility of 802 11b and 802 11g wireless networking products and to promote the standard for enterprise small business and home environments see also 802 11b 802 119 Wi Fi Wired Equivalent Privacy A shared key encryption mechanism for wireless networking Encryption strength is 40 64 bit or 128 bit Wireless Fidelity This is the certification granted by WECA to products that meet their interoperability criteria see also 802 11b WECA The term used to describe a desktop or mobile PC that is wirelessiy connected to your wireless network Another term for ESSID Extended Service Set Identifier A Windows application that automates a procedure such as installation or configuration 116 GLOSSARY WLAN Wireless Local Area Network A WLAN is a group of computers and devices connected together by wireless in a relatively small area such as a house or office WPA Wi Fi Protected Access A dynamically changing encryption mechanism for wireless networking Encryption strength is 256 bit REGULATORY NOTI
52. he Access Control section see Access Control on page 60 From the Access Control Add PC screen Figure 50 check the option Enable URL Filter and Enable Content Filter to filter out the Web sites and keywords specified in the URL Filter page and Content Filter page Firewall 63 Content Filter You can use the list on the Content Filter page to specify the type of content that you want to filter out The Router comes with a 14 day free trial of the 3Com Content Filter Service 3CSBCFS To activate the 14 day free trial of the service you must first register your Router at www 3com com To continue using the service after the trial period you must purchase the 12 month subscription license Figure 52 Content Filter Screen OfficeConnect aosL wireless 119 Firewall Router Client IP Filters Content Filter Setti ng Content Filter Server uk1 suricpa com ur s Server Timeout P0 msec Subscription Filtering Status Unknown Cor ies Agult Sexually Expliat Criminal Skills Callow Deny Drugs Alcohol amp Tobacco Allow Deny Gambling allow 6 Dany Hacking allow deny Hate Speech Allow Deny Violence Allow Deny Weepons MAC Addres DMZ eedbac Productivity Cate Advertisements amp allow Deny Arts Enterainment allow C Deny Chat allow Deny Computing amp Internet Allow Deny Education allow Dany Finance amp Investment allow Deny F
53. he CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applications for example those which do not require tightly constrained delay and delay variation 52 CHAPTER 5 CONFIGURING THE ROUTER such as traditional computer communications applications The UBR service may be considered as best effort service VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and non real time NRT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR 5 Enter the PCR SCR MBS values 6 Click Apply Routing Mode over ATM RFC 1483 Routed Mode This mode is commonly used with either dynamic or static IP addressing In this mode the WAN ADSL port will be configured with an IP address provided by the ISP To configure this page correctly you should obtain the information on this page from your ISP Figure 41 Routing Mode over ATM Screen Routing
54. ible by visiting http www 3com com A IP ADDRESSING The Internet Protocol Suite The Internet protocol suite consists of a well defined set of communications protocols and several standard application protocols Transmission Control Protocol Internet Protocol TCP IP is probably the most widely known and is a combination of two of the protocols IP and TCP working together TCP IP is an internationally adopted and supported networking standard that provides connectivity between equipment from many vendors over a wide variety of networking technologies Managing the Router over the Network IP Addresses and Subnet Masks To manage a device over the network the Router must be correctly configured with the following IP information An IP address a A Subnet Mask Each device on your network must have a unique IP address to operate correctly An IP address identifies the address of the device to which data is being sent and the address of the destination network IP addresses have the format n n n x where n is a decimal number between 0 and 255 and x is anumber between 1 and 254 inclusive However an IP Address alone is not enough to make your device operate In addition to the IP address you need to set a subnet mask All networks are divided into smaller sub networks and a subnet mask is a number that enables a device to identify the sub network to which it is connected 90 APPENDIX A IP ADDRESSING For y
55. ication and sharing information is crucial Computer networks have proved to be one of the fastest modes of communication but until recently only large businesses could afford the networking advantage OfficeConnect ADSL Wireless 11g Firewall Router The OfficeConnect ADSL Wireless 11g Firewall Router is designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Router also provides protection in the form of an electronic firewall preventing anyone outside of your network from seeing your files or damaging your computers The Router can also prevent your users from accessing Web sites which you find unsuitable Figure 1 shows an example network without a Router In this network only one computer is connected to the Internet This computer must always be powered on for the other computers on the network to access the Internet 10 CHAPTER 1 INTRODUCING THE ROUTER Figure 1 Example Network Without a Router DSL modem When you use the Router in your network Figure 2 it becomes your connection to the Internet Connections can be made directly to the Router or to an OfficeConnect Switch or Hub expanding the number of computers you can have in your network Figure 2 Example Network Using a Firewall Router Router Advantages 11 Router Advantages The advantages of the Router include m Shared Internet connection for both wired a
56. ication to work properly Also specify whether these ports are TCP or UDP Click Apply The Virtual servers feature allows you to route external Internet calls for services such as a web server port 80 FTP server Port 21 or other applications through your Router to your internal network Since your internal computers are protected by a firewall machines from the Internet cannot get to them because they cannot be seen If you need to configure the Virtual Server function for a specific application you will need to contact the application vendor to find out which port settings you need The maximum number of virtual servers that can be configured is 20 Figure 48 Virtual Servers Screen OfficeConnect ansL wireless 119 Firewall Router Protocol LAN Public LT Port je Port ER E cones No LAN IP Address Enable Configure To configure your virtual servers 1 Click Add or Edit if you want to edit an existing record 2 Enter the IP address in the space provided for the internal machine 60 CHAPTER 5 CONFIGURING THE ROUTER 3 Enter the port type TCP UDP or both TCP and UDP 4 Specify the public port that will be seen by clients on the Internet and the LAN port which the traffic will be routed to 5 You can enable or disable each Virtual Server entry by checking or unchecking the appropriate Enable check box 6 Click Apply to save the changes for each Virtual Server entry Client IP Filters The Rout
57. ictions set forth herein the Software is licensed to be used on any workstation or any network server owned by or leased to you for your internal use provided that the Software is used only in connection with this 3Com product You may reproduce and provide one 1 copy of the Software and Documentation for each such workstation or network server on which the Software is used as permitted hereunder Otherwise the Software and Documentation may be copied only as essential for backup or archive purposes in support of your use of the Software as permitted hereunder Each copy of the Software and Documentation must contain 3Com s and its licensors proprietary rights and copyright notices in the same form as on the original You agree not to remove or deface any portion of any legend provided on any licensed program or documentation delivered to you under this Agreement ASSIGNMENT NO REVERSE ENGINEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees in writing to accept and be bound by the terms and conditions of this Agreement If you transfer the Software and Documentation you must at the same time either transfer all copies of the Software and Documentation to the party or you must destroy any copies not transferred Except as set forth above you may not assign or transfer your rights under his Agreement odi
58. ime Protocol SNTP server This allows the Router to synchronize the system clock to the Internet The synchronized clock in the Router is used to record the security log and control client filtering Select the time zone that you reside in If you reside in an area that observes Daylight Saving then place System Tools 79 a checkmark in the box next to Enable Daylight Saving The system clock may not update immediately Allow at least 15 minutes for the router to contact the time servers on the Internet and get a response You cannot set the clock yourself You can specify which SNTP servers the Router will use to update it s system clock although doing this should only be necessary if you are experiencing difficulty Syslog Server Using third party syslog software this Syslog Server tool will automatically download the Router log to the specified server IP address Figure 69 Syslog Server Screen Server tool will automatically download below x 1 Check Enable to use this function 2 Enter the server IP address in the Server LAN IP Address field 80 CHAPTER 5 CONFIGURING THE ROUTER Status and Logs You can use the Status Screen to view version numbers for your router s software and hardware and check the status of connections to WAN LAN and WLAN interfaces Status Figure 70 Status Screen 3CRWDR1004 72 2 05 Oui 12 2005 18 33 26 0 67 3 0 2 0 40 03 02 06 00A 01 Internet Settings This scr
59. iming sequencing and error control Point to Point Protocol over Ethernet Point to Point Protocol is amethod of data transmission originally created for dial up connections PPPoE is for Ethernet connections Point to Point Tunneling Protocol is a method of secure data transmission between two remote sites over the internet A standard connector used to connect Ethernet networks The RJ stands for registered jack 114 GLOSSARY Router Server SSID Subnet Address Subnet mask Subnets Switch TCP IP Traffic A device that acts as a central hub by connecting to each computer s network interface card and managing the data traffic between the local network and the Internet A computer in a network that is shared by multiple end stations Servers provide end stations with access to shared network services such as computer files and printer queues Service Set Identifier Some vendors of wireless products use SSID interchangeably with ESSID An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple physical networks A subnet mask which may be a part of the TCP IP information provided by your ISP is a set of four numbers configured like an IP address It is used to create IP address numbers used only within a particular network as opposed to valid IP address numbers recognized by the Internet which must assigned by InterNIC A network that is a com
60. in the Encapsulation drop down list This information will have been provided to you by your ISP 6 Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 18 Wireless Settings Screen fficeConnect aosL wireless 11g Firewall Router To get up the Wireless features sect a channel from the Ist and specty the 6610 Your Wireless PCs must be configured with the same settings with the Router pi Bem Note The default SSID is 3Com 7 Set the Wireless Channel you want to use from the Channel drop down list 8 Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name Accessing the Setup Wizard 31 Bridge Mode for a single PC RFC 1483 Bridged Mode To set up the Router for use with an RFC1483 bridged connection Figure 19 Bridged Mode Configuration Screen The following information are usually provided by your ISP VPINCI se Encapsulation VE MUX Enter your VPI and VCI information in the VPI VC text boxes Select the encapsulation type LLC or VC MUX in the Encapsulation drop down list This information will have been provided to you by your ISP Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 20 Wireless Settings Screen select channel from the list and specify the be configured wi
61. ireless DHCP Client List eweh 66 CHAPTER 5 CONFIGURING THE ROUTER DMZ gt To enable the MAC Address Filtering feature Click Enable for the Enable MAC Address Filtering option In the Access Rule for registered MAC address option select Allow or Deny to determine the access rights for the list of addresses defined in the MAC Address Filtering List To add entries to the MAC Address Filtering List m Enter the MAC address of each client on your network to allow network access or m Copy the MAC address by selecting the name of the computer from the DHCP Clients List and then in the MAC Address Filtering List click Copy To Click Apply to save the settings If you have a client PC that cannot run an Internet application properly from behind the firewall you can open the client up to unrestricted two way Internet access This may be necessary if the NAT feature is causing problems with an application such as a game or video conferencing application Figure 56 DMZ Screen Enable DMZ DMZ C ENABLE DISABLE Public IP Address Client PC IP Address 19216810 192 160 1921601P 1921601P 192 168 1P 192 1601 192 1601 192 16819 Use this feature on a temporary basis The computer in the DMZ is not protected from hacker attacks Firewall 67 To put a computer in the DMZ enter the last digits of its LAN IP address in the Static IP field Put the IP address if known that will be accessing the
62. ist 9 Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name Configuration Summary Figure 25 Configuration Summary Screen ADSL Wireless 11g Firewall Router arameters PPP over Ethernet 0 38 Firewall AALS Encapsulation VC MUX Advance ISP Parameters User Name Password When you complete the Setup Wizard a configuration summary will display Verify the configuration information of the Router and then click Apply to save your settings 3Com recommends that you print this page for your records Your Router is now configured and ready for use See Chapter 5 for a detailed description of the Router configuration CONFIGURING THE ROUTER Navigating Through the Router Configuration Pages Main Menu Status Screen Status This chapter describes all the screens available through the Router configuration pages and is provided as a reference To get to the configuration pages browse to the Router by entering the URL in the location bar of your browser The default URL is http 192 168 1 1 but if you changed the Router LAN IP address during initial configuration use the new IP address instead When you have browsed to the Router log in using your system password default password is admin At the left side of all screens is a main menu as shown in Figure 26 on page 35 When you click o
63. itivity and reduce the performance of your network If you are unsure try relocating both the wireless computers and the Router to establish whether this problem exists Most wireless computer Adapters will scan the channels for the wireless Router If a wireless computer has not located the Router then try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to correspond to the Router channel number Please refer to your Wireless computer adapter documentation and vendor to do this Speed of connection The 802 11b and 802 11g standards will automatically choose the best speed depending on the quality of your connection As the signal quality weakens then the speed falls back to a lower speed The speeds supported by 802 11g are 54 Mbps 48 Mbps 36 Mbps 24 Mbps 18 Mbps 12 Mbps and 6 Mbps The speeds supported by 802 11b are 11 Mbps 5 5 Mbps 2 Mbps and 1 Mbps In general the closer you are to the Router the better the speed If you are not achieving the speed you had anticipated then try moving the antenna on the Router or moving the Wireless computer closer to the Router In an ideal network the Router should be located in the centre of the network with Wireless computers distributed around it Applications are generally available with the computer wireless card to carry out a site survey Use this application to find the optimal siting for your wireless computer
64. iversal Plug amp Play Discard ping from the Internet Support Feedback Fre Internet Settings 192 168 1 2 192 168 1254 00 0F CB A9 3C 22 Setup Wizard Connection Type gt Accessing the Setup Wizard 27 Figure 14 Connection Type Screen ficeConnect ost Wireless 11g Firewall Router ty provided by your ISP sa salact the Internet sharing protocol PPPoE PPPoA Bridge Mode For single PC Routing Mode over ATM Dynamic Fixed IP in 1493 Bridge Mode For Multiple PCs The Connection Type screen allows you to set up the Router for the type of Internet connection you have Before setting up your connection type have your account information from your ISP ready Select a DSL mode from the following PPPoE PPP over Ethernet providing routing for multiple PCs see page 28 PPPoA PPP over ATM providing routing for multiple PCs see page 29 Bridge Mode for a single PC RFC 1483 Bridged Mode for single PCs only see page 31 Routing Mode over ATM RFC 1483 Routed Mode for multiple PCs see page 32 Dynamic Fixed IP in 1483 Bridge Mode for multiple PCs see page 33 and click Next For further information on selecting a mode see Internet Settings on page 46 28 CHAPTER 4 RUNNING THE SETUP WIZARD PPPoE Mode Figure 15 PPPoE Screen Encapsulation To set up the router for use with a PPP over Ethernet PPPoE connection use the following procedure Enter your PPP over
65. k the following Confirm that the physical connection between your computer and the Router is OK and that the LAN Status LEDs on the Router and network adapter are illuminated and indicating the same speed 10Mbps or 100Mbps Some NICs do not have status LEDs in which case a diagnostic program may be available that can give you this information Ensure that you have configured your computer as described in Chapter 3 Restart your computer while it is connected to the Router to ensure that your computer receives an IP address When entering the address of the Router into your web browser ensure that you use the full URL including the http prefix e g http 192 168 1 1 Ensure that you do not have a Web proxy enabled on your computer Go to the Control Panel and click on Internet Options Select the Connections tab and click on the LAN Settings button at the bottom Make sure that the Proxy Server option is unchecked 84 CHAPTER 6 TROUBLESHOOTING m If you cannot browse to the Router use the winipcfg utility in Windows 95 98 ME to verify that your computer has received the correct address information from the Router From the Start menu choose Run and then enter winipefg Check that the computer has an IP address of the form 192 168 1 xxx where xxx is in the range 2 254 the subnet mask is 255 255 255 0 and the default Router is 192 168 1 1 the address of the Router If these are not correct use the Release and Renew functi
66. le t ing Enable Wireless Networking Enable Disable rete _nooir_ _cancei This screen allows you to enable or disable the wireless section of your LAN When disabled no wireless PCs can gain access to either the Internet or other PCs on your Wired or Wireless LAN through this Router Select the required setting and press Apply Click Configuration on the left hand menu the Wireless Configuration Screen displays Figure 30 Wireless Configuration Screen l ADSL Wireless 119 Firewall Router Mixed 11411 eio _Avpiy cance 40 CHAPTER 5 CONFIGURING THE ROUTER To enable Wireless function 1 Select the Wireless Channel you want to use from the Channel drop down list 2 Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name 3 Enable or disable SSID Broadcast A feature of many wireless network adapters is that a computer s SSID can be set to ANY which means it looks randomly for any existing wireless network The available networks are then displayed in a site survey and your computer can select a network By clicking disable you can block this random search and set the computer s SSID to a specific network for example WLAN This increases network security If you decide to enable SS D Broadcast ensure that you know the name of your network first 4 In the Wireless Mode drop
67. let is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 0034504 3Com is not responsible for any radio or television interference caused by unauthorized modification of the devices included with this 3Com OfficeConnect ADSL 11g Firewall Router Model Number WL 542 3CRWDR100A 72 3CRWDR100A 72 3CRWDR100A 72 or the substitution or attachment of connecting cables and equipment other than specified by 3Com The correction of interference caused by such unauthorized modification substitution or attachment will be the responsibility of the user Changes or modifications not expressly approved by 3Com could void the user s authority to operate this equipment US MANUFACTURER S FCC DECLARATION OF CONFORMITY 3Com Corporation 350 Campus Drive Marlborough MA 01752 3064 USA 508 323 5000 Date July 19 2005 Declares that the Product Brand Name 3Com Corporation Model Number WL 542 Equipment Type OfficeConnect ADSL 11g Firewall Router Complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including 118 interference that may cause undesired operation BCom OfficeConnect ADSL 11g Firewall Router C Model WL 542 INDUSTRY CANADA RF COMPLIANCE This device complies with RSS 210 of Industry Canada Operatio
68. ment agent supports The router supports V1 and V2c trap messaging System Tools These pages lets you manage different parameters of the router and perform certain administrative functions Restart Router Sometimes it may be necessary to restart or reboot the Router Restarting the Router will not delete any of your configuration settings Figure 63 Restart Router Screen Click Restart to restart the Router 76 CHAPTER 5 CONFIGURING THE ROUTER Reset to Factory Default Backup Restore Settings Figure 64 Reset to Factory Default Screen Reset to Factory Defaults Using this option will restore all of the settings in the Router to the factory default t you backup your settings before you restore all of the It is recommended dofauRs To restore the factory defau amp settings dick the Reset button below Using this option will reset all of the settings in the Router to the factory default settings It is recommended that you backup your settings before you restore all of the defaults To restore the factory default settings click Reset Figure 65 Backup Restore Settings Screen Restore Settings This option will allow you to restore previously saved configuration Please select the configurabon file and press the Restore button below You can save your current configuration by clicking Save in Backup Settings Saving your configuration will allow you to restore it later if your settings are lost
69. n Anforderungen und den anderen relevanten Festlegungen der Richtlinie 1999 5 EG Wien ME THN MAPOYZA 3Com Corporation AHAQNEI OTI RLAN device ZYMMOPOONETAI MIPOZ TIZ OYZIQAEIZ ANAITHZEIZ KAI TIZ AOIMEZ ZXETIKEZ AIATAZEIZ THX OAHMIAZ 1999 5 AE Con la presente 3Com Corporation dichiara che questo RLAN device conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999 5 CE Por medio de la presente 3Com Corporation declara que el RLAN device cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE 3Com Corporation declara que este RLAN device est conforme com os requisitos essenciais e outras disposic es da Directiva 1999 5 CE Hawnhekk 3Com Corporation jiddikjara li dan RLAN device jikkonforma mal htigijiet essenzjali u ma provvedimenti orajn relevanti li hemm fid Dirrettiva 1999 5 EC K esolevaga kinnitab 3Com Corporation seadme RLAN device vastavust direktiivi 1999 5 EU p hin uetele ja nimetatud direktiivist tulenevatele teistele asjakohastele s tetele Alulirott 3Com Corporation nyilatkozom hogy a RLAN device megfelel a vonatkoz alapvet k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el fr sainak 3Com Corporation t mto vyhlasuje ze RLAN device spi a z kladn po_iadavky a vSetky prisluSn ustanovenia Smernice 1999 5 ES 3Com Corporation timto prohlaSuje ze tento RLAN device je ve shod se z kl
70. n a topic from the main menu that page will appear in the main part of the screen The Status screen allows you to view a summary of the Router configuration including the current Router status Figure 26 Status Screen CAN 3com Setup Wizard LAN Settings OfficeConnect ansL wireless 119 Firewall Router General Information 3C number 3CRWDR1004 72 Software version 2 05 Jul 12 2005 18 33 26 Boot loader version 0 67 3 Wireless version 0 9 0 40 ADSL modem version 03 02 06 00A Hardware version 01 Serial number 7BSFAMBAIZC22 Wireless Settings Internet Settings Firewall Advanced System Tools ADSL Status Access From The Internet Firewall High Level Universal Plug amp Play Disabled Discard ping from the Internet Yes ATM PVC Status Logs Support Feedback Internet Settings WAN Connecbon Type NA Status DISCONNECTED Internet IP address NA Subnet Mask NA ISP Gateway Address NA Primary ONS NA Secondary DNS NA 36 CHAPTER 5 CONFIGURING THE ROUTER LAN Setup Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network The factory default settings for the DHCP server will work in most any application If you need to make changes to the settings you can do so The changes that you can make are Change the Internal IP address of the Router The default is 192 168 1 1 Change the Subnet Mask The default is 255 255 255 0 Enable Dis
71. n all RIP enabled devices connected to this router RIP information is not shared between devices whose passwords do not match In the Authentication Code field enter the password that is required if the Password option has been selected Click Apply Routing Table The Routing Table screen displays details for the default routing used by your Router and any routing created using Static Routing or RIP Figure 60 Routing Table Screen Srectiy 127 0 0 1 255 255 255 255 Grectir DDNS ER WN A W N Advanced 73 The Router provides a list of dynamic DNS providers for you to choose from Dynamic Domain Name Server DDNS enables you to map a static domain name to a dynamic IP address The Router supports two DDNS providers TZO com and DYNDNS Before you set up DDNS you must obtain an account password and static domain name from your DDNS provider DDNS is disabled by default Figure 61 Dynamic Domain Server DDNS Screen To set up Dynamic DNS Select the Dynamic DNS Enable option Select aDDNS Service Provider from the drop down list TZO com If you select TZO com In the Domain Name text box enter the domain name In the E mail text box enter the account name In the Key text box enter the account password Click Apply to make this service active DynDNS If you select DynDNS org In the Domain Name text box enter the domain name In the Account text box enter the account name In
72. n compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC 3Com Corporation vakuuttaa t ten ett RLAN device tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muiden ehtojen mukainen Hierbij verklaart 3Com Corporation dat het toestel RLAN device in overeenstemming is met de essenti le eisen en de andere relevante bepalingen van richtlijn 1999 5 EG Bij deze verklaart 3Com Corporation dat deze RLAN device voldoet aan de essenti le eisen en aan de overige relevante bepalingen van Richtlijn 1999 5 EC Par la pr sente 3Com Corporation d clare que l appareil RLAN device est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE Par la pr sente 3Com Corporation d clare que ce RLAN device est conforme aux exigences essentielles et aux autres dispositions de la directive 1999 5 CE qui lui sont applicables H rmed intygar 3Com Corporation att denna RLAN device st r verensst mmelse med de v sentliga egenskapskrav och vriga relevanta best mmelser som framg r av direktiv 1999 5 EG Hiermit erkl rt 3Com Corporation dass sich dieser diese dieses Managed Accces Point in bereinstimmung mit den grundlegenden Anforderungen und den anderen relevanten Vorschriften der Richtlinie 1999 5 EG befindet BMWi Hiermit erkl rt 3Com Corporation die bereinstimmung des Ger tes RLAN device mit den grundlegende
73. n is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of this device L utilisation de ce dispositif est autorisee seulement aux conditions suivantes 1 il ne doit pas produire de brouillage et 2 l utilisateur du dispositif doit etre pret a accepter tout brouillage radioelectrique recu meme si ce brouillage est susceptible de compromettre le fonctionnement du dispositif The term IC before the equipment certification number only signifies that the Industry Canada technical specifications were met To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power EIRP is not more than that required for successful communication To prevent radio interference to the licensed service this device is intended to be operated indoors and away from windows to provide maximum shielding Equipment or its transmit antenna that is installed outdoors is subject to licensing Pour empecher que cet appareil cause du brouillage au service faisant l objet d une licence il doit etre utilize a l interieur et devrait etre place loin des fenetres afin de Fournier un ecram de blindage maximal Si le matriel ou son antenne d emission est installe a l exterieur il doit faire l objet d une licence INDUSTRY CANADA EMISSIONS
74. n your network Windows 95 Windows 98 and Windows NT 4 0 contain software that assigns IP addresses to workstations on a network These assignments are made by the DHCP server software that runs on Windows NT Server and Windows 95 and Windows 98 will call the server to obtain the address Windows 98 will allocate itself an address if no DHCP server can be found DNS stands for Domain Name System which allows Internet host computers to have a domain name such as 3com com and one or more IP addresses such as 192 34 45 8 A DNS server keeps a database of DSL modem Encryption ESSID Ethernet Ethernet Address Fast Ethernet Firewall Full Duplex Half Duplex Hub GLOSSARY 111 host computers and their respective domain names and IP addresses so that when a domain name is requested as in typing 3com com into your Internet browser the user is sent to the proper IP address The DNS server address used by the computers on your home network is the location of the DNS server your ISP has assigned DSL stands for digital subscriber line A DSL modem uses your existing phone lines to send and receive data at high speeds A method for providing a level of security to wireless data transmissions The Router uses two levels of encryption 40 64 bit and 128 bit 128 bit is a more powerful level of encryption than 40 64 bit Extended Service Set Identifier The ESSID is a unique identifier for your wireless network You mu
75. nable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation ntel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and Windows NT are registered trademarks of Microsoft Corporation Novell and NetWare are registered trademarks of Novell Inc UNIX is a registered trademark in the United States
76. nd wireless computers m High speed 802 11g wireless networking a No need for a dedicated always on computer serving as your Internet connection m Cross platform operation for compatibility with Windows Unix and Macintosh computers m Easy to use Web based setup and configuration a Provides centralization of all network address settings DHCP m Acts as a Virtual server to enable remote access to Web FTP and other services on your network Security Firewall protection against Internet hacker attacks and encryption to protect wireless network traffic Package Contents The Router kit includes the following items m One OfficeConnect ADSL Wireless 11g Firewall Router m One power adapter for use with the Router Four rubber feet a One Telephone Cable a One CD ROM containing this User Guide a Installation Guide m One Support and Safety Information Sheet a One Warranty Flyer If any of these items are missing or damaged please contact your retailer 12 CHAPTER 1 INTRODUCING THE ROUTER Minimum System Your Router requires that the computer s and components in your and Component network be configured with at least the following Requirements a A computer with an operating system that supports TCP IP networking protocols for example Windows 98 NT Me 2000 XP Unix Mac OS 8 5 or higher a An Ethernet 10 Mbps or 10 100 Mbps NIC for each computer to be connected to the four port switch on your Router An 802
77. o mesmo tipo e n o causar interfer ncia a sistema operando em car ter prim rio INDEX Numbers 128 bit WEP 46 128 bit WEP Screen 46 1483 Bridge Mode 55 64 bit WEP Screen 47 A Access Control Screen 62 Add PC Screen 63 Add Schedule Rule Screen 65 Addresses IP 85 Admin Password Screen 75 ADSL Status Screen 77 Advanced Screen 68 Automatic Addressing 87 DNS Screen 55 DSL mode 29 Dynamic Domain Server DDNS Screen 70 Dynamic IP Address 34 Dynamic Fixed IP for Bridge Mode Screen 35 55 DYNDNS 70 E Editing DHCP Clients List Screen 42 Encryption Screen 44 Encryption disabling 45 F Firewall Screen 59 Forgotten Password 80 B Backup Restore Settings Screen 74 Bridge Mode for Single PC Screen 53 Bridged Mode Configuration Screen 33 C Cable Specifications 91 Channels 111 Configuration Summary Screen 37 Connection Type Screen 29 50 Conventions notice icons About This Guide 8 text About This Guide 8 H Hostname configuring 56 Hostname and MAC Address Screen 56 Internet addresses 85 Internet Properties Screen 26 Internet Protocol TCP IP Properties Screen 24 IP Address 41 85 IPSEC 68 D DDNS 70 DHCP 87 DHCP Clients List 42 DHCP server 25 42 disabling 26 DMZ Screen 67 DNS 24 L LAN Settings Screen 41 LED 14 LEDs 14 Local Area Properties Screen 24 Logs Screen 77 M MAC Address 56 122 INDEX configuring 56 MAC Address Filtering Screen 66 mod
78. ogether with all copies and merged portions in any form The licenses and this Agreement will also terminate immediately if you fail to comply with any term or condition of this Agreement Upon such termination you agree to destroy the Software and Documentation together with all copies and merged portions in any form LIMITED WARRANTIES AND LIMITATION OF LIABILITY All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software Such warranties and limitations of liability are incorporated herein in their entirety by this reference GOVERNING LAW This Agreement shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods SEVERABILITY In the event any provision of this Agreement is found to be invalid illegal or unenforceable the validity legality and enforceability of any of the remaining provisions shall not in any way be affected or impaired and a valid legal and enforceable provision of similar intent and economic impact shall be substituted therefor ENTIRE AGREEMENT This Agreement sets forth the entire understanding and agreement between you and 3Com and supersedes all prior agreements whether written or oral with respect to the Software and Documentation and may b
79. onnection to the computers that will be connected to the four LAN ports on the rear panel if desired m allows easy viewing of the front panel LED indicator lights and access to the rear panel connectors if necessary 16 CHAPTER 2 INSTALLING THE ROUTER Using the Rubber Feet When positioning your Router ensure a It is out of direct sunlight and away from sources of heat m Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers m Water or moisture cannot enter the case of the unit a Air flow around the unit and through the vents in the side of the case is not restricted 3Com recommends you provide a minimum of 25 mm 1 in clearance Use the four self adhesive rubber feet to prevent your Router from moving around on your desk or when stacking with flat top units Only stick the feet to the marked areas at each corner of the underside of your Router Powering Up the Router Connecting the Router To power up the Router Plug the power adapter into the power adapter socket located on the back panel of the Router 2 Plug the power adapter into a standard electrical wall socket 3 Press the power button located on the back of the Router The first step for installing your Router is to physically connect it to the telephone socket and then connect it to a computer in order to be able to access the Internet See Figure
80. ons to obtain a new IP address from the Router Under Windows 2000 and Windows XP use the ipconfig command line utility to perform the same functions Connecting to the Internet If you can browse to the Router configuration screens but cannot access sites on the Internet check the following Confirm that the physical connection between the Router and the telephone line is OK and that the DSL LED on the Router is illuminated a Ensure that you have entered the correct information into the Router configuration screens as required by your Internet Service Provider Use the Internet Settings screen to verify this m Check that the PPPoE or PPPoA user name and password are correct a Ensure that your computers are not configured to use a Web proxy On Windows computers this can be found under Control Panel gt Internet Options gt Connections Forgotten Password and Reset to Factory Defaults AN If you can browse to the Router configuration screen but cannot log on because you do not know or have forgotten the password follow the steps below to reset the Router to its factory default configuration CAUTION All your configuration changes will be lost and you will need to run the configuration wizard again before you can re establish your Router connection to the Internet Also other computer users will lose their network connections whilst this process is taking place so choose a time when this would be convenient
81. ood amp Orink Allow Deny Games allow Deny Glamour amp Intimate Apparel Allow Deny To configure the Content Filter feature Select the server that you want to use from the Content Filter Server drop down menu If the server you want to use is not listed enter the server address manually Define the time in the Server Timeout field the default value is 3000ms If the Content Filter Server does not respond within this time period the Router will use the default content filter rule The default rule is either Allow or Deny None of the above Uncategorized URL You can configure this rule at the bottom of the Content Filter page If you are not sure about your subscription status click CHECK in Subscription Filtering Status to find out if you have a current valid subscription 64 CHAPTER 5 CONFIGURING THE ROUTER 4 A list of categories is listed under Core Categories and Productivity Categories You can define what content should be viewed blocked using the Allow Deny option The Deny option is used to filter out the content that contains the specific subject matter Content with a specific subject matter will not be filtered out if the Allow option is checked 5 Click Apply for the changes to take effect Schedule Rule The Router can be configured to restrict access to the Internet e mail or other network services at specific days and times These schedule rules are used by the rules defined on th
82. orget to reconfigure the computer you used for the software upload If the Router does not resume normal operation following the upload it may be faulty Contact your supplier for advice 88 CHAPTER 6 TROUBLESHOOTING Frequently Asked Questions How do I reset the Router to Factory Defaults See Forgotten Password and Reset to Factory Defaults on page 84 How many computers on the LAN does the Router support A maximum of 253 computers on the LAN are supported How many wireless clients does the Router support A maximum of 128 wireless clients are supported There are only 4 LAN ports on the Router How are additional computers connected You can expand the number of connections available on your LAN by using hubs switches and wireless access points connected to the Router 3Com wireless access points and hubs and switches provide a simple reliable means of expanding your network contact your supplier for more information or visit http www 3com com Does the Router support virtual private networks VPNs The Router supports VPN passthrough which allows VPN clients on the LAN to communicate with VPN hosts on the Internet It is also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to but this is not a recommended configuration Where can download software updates for the Router Updates to the Router software are posted on the 3Com support web site access
83. ormation provided by your ISP into the P address and Subnet Mask fields 3 Enter the VPI and VCI parameters provided to you by your ISP in the VP and VCI fields 4 Select the encapsulation type LLC or VC MUX in the Encapsulation field This information will have been provided to you by your ISP 5 Select the type of Quality of Service CBR UBR or VBR in the QoS field a CBR constant bit rate the CBR service class is intended for real time applications for example those requiring tightly constrained delay and delay variation such as voice and video applications The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service UBR unspecified bit rate the UBR service class is intended for delay tolerant or non real time applications for example those which do not require tightly constrained delay and delay variation such as traditional computer communications applications The UBR service may be considered as best effort service 48 CHAPTER 5 CONFIGURING THE ROUTER VBR variable bit rate QoS class defined by the ATM Forum for ATM networks VBR is subdivided into a real time RT class and non real time NRT class VBR RT is used for connections in which there is a fixed timing relationship between samples VBR NRT is used for connections in which there is no fixed timing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR
84. other wireless networks in your area you should give your wireless network a unique name Dynamic Fixed IP in 1483 Bridge Mode For Multiple PCs For bridge mode to work you need to assign an IP address to the Router You can either configure the Router to obtain an IP address automatically from a DHCP server or assign a fixed or static IP address to it Figure 23 Dynamic Fixed IP for Bridge Mode Screen To obtain an IP address automatically from a DHCP server Check the Get WAN IP By DCHP field and then click Next The Wireless Settings screen is displayed To assign a fixed IP address Enter your Internet IP address in the WAN IP text box Enter the subnet mask in the Subnet Mask text box Enter the default router in the Default Gateway text box Enter the DNS address in the DNS text box Enter your VPI and VCI information in the VPI VCI text boxes Select the encapsulation type LLC or VC MUX in the Encapsulation drop down list This information will have been provided to you by your ISP Check all of your settings and then click Next The Wireless Settings screen is displayed 34 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 24 Wireless Settings Screen N x irel features select a channel from the list and spediy the Internet gs 55 PCS must be configured with the same settings ti Firewall Adva J z Note The default SSID is Com 8 Set the Wireless Channel you want to use from the Channel drop down l
85. ou need to set up your computers so that they can make use of the Router to communicate with the Internet 3Com recommends that you perform the initial Router configuration from a computer that is directly connected to one of the LAN ports If you configure the Router from a wireless computer note that you may lose contact with the Router if you change the wireless configuration To communicate wirelessly with your Router your wireless NIC should be set as follows m Encryption none a SSID 3Com m Channel 11 20 CHAPTER 2 INSTALLING THE ROUTER SETTING UP YOUR COMPUTERS The Router has the ability to dynamically allocate network addresses to the computers on your network using DHCP However your computers need to be configured correctly for this to take place To change the configuration of your computers to allow this follow the instructions in this chapter Obtaining an IP Address Automatically Windows 2000 wm A WN If you are using a Windows 2000 based computer use the following procedure to change your TCP IP settings From the Windows Start Menu select Settings gt Control Panel Double click on Network and Dial Up Connections Double click on Local Area Connection Click on Properties A screen similar to Figure 8 should be displayed Select Internet Protocol TCP IP and click on Properties 22 CHAPTER 3 SETTING UP YOUR COMPUTERS Figure 8 Local Area Properties Screen Local Area
86. our network to work correctly all devices on the network must have a The same sub network address a The same subnet mask The only value that will be different is the specific host device number This value must always be unique An example IP address is 192 168 100 8 However the size of the network determines the structure of this IP Address In using the Router you will probably only encounter two types of IP Address and subnet mask structures Type One In a small network the IP address of 192 168 100 8 is split into two parts m Part one 192 168 100 identifies the network on which the device resides m Part two 8 identifies the device within the network This type of IP Address operates on a subnet mask of 255 255 255 0 See Table 3 for an example about how a network with three computers and a Router might be configured Table 3 IP Addressing and Subnet Masking Device IP Address Subnet Mask PC 1 192 168 100 8 255 255 255 0 PC2 192 168 100 33 255 255 255 0 PC 3 192 168 100 188 255 255 255 0 Router 192 168 100 72 255 255 255 0 Type Two In larger networks where there are more devices the IP address of 192 168 100 8 is again split into two parts but is structured differently Part one 192 168 identifies the network on which the device resides m Part two 100 8 identifies the device within the network How does a Device Obtain an IP Address and Subnet Mask 91 This ty
87. p to 54 Mbps The standard provides for 6 12 24 36 48 and 54 Mbps data rates The rates will switch automatically depending on range and environment The IEEE specification for 10 Mbps Ethernet over Category 3 4 or 5 twisted pair cable The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted pair cable An Access Point is a device through which wireless clients connect to other wireless clients and which acts as a bridge between wireless clients and a wired network such as Ethernet Wireless clients can be moved anywhere within the coverage area of the access point and still connect with each other If connected to an Ethernet network the access point monitors Ethernet traffic and forwards appropriate Ethernet messages to the wireless network while also monitoring wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN Ad Hoc mode is a configuration supported by most wireless clients It is used to connect a peer to peer network together without the use of an access point It offers lower performance than infrastructure mode which is the mode the router uses see also Infrastructure mode Some devices in the range support auto negotiation Auto negotiation is where two devices sharing a link automatically configure to use the best 110 GLOSSARY Bandwidth Category 3 Cables Category 5 Cables Channel Client DHCP DNS Server Address common speed The order of p
88. pe of IP Address operates on a subnet mask of 255 255 0 0 See Table 4 for an example about how a network only four computers represented and a Router might be configured Table 4 IP Addressing and Subnet Masking Device IP Address Subnet Mask PC 1 192 168 100 8 255 255 0 0 PC2 192 168 201 30 255 255 0 0 PC 3 192 168 113 155 255 255 0 0 PC4 192 168 002 230 255 255 0 0 Router 192 168 002 72 255 255 0 0 How does a Device Obtain an IP Address and Subnet Mask DHCP Addressing Static Addressing Auto IP Addressing There are three different ways to obtain an IP address and the subnet mask These are Dynamic Host Configuration Protocol DHCP Addressing a Static Addressing a Automatic Addressing Auto IP Addressing The Router contains a DHCP server which allows computers on your network to obtain an IP address and subnet mask automatically DHCP assigns a temporary IP address and subnet mask which gets reallocated once you disconnect from the network DHCP will work on any client Operating System such as Windows 95 Windows 98 or Windows NT 4 0 Also using DHCP means that the same IP address and subnet mask will never be duplicated for devices on the network DHCP is particularly useful for networks with large numbers of users on them You must enter an IP Address and the subnet mask manually on every device Using a static IP and subnet mask means the address is permanently fixed Network devices use automati
89. ponent of a larger network A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments Switches are similar to bridges in that they connect LANs of a different type however they connect more LANs than a bridge and are generally more sophisticated Transmission Control Protocol Internet Protocol This is the name for two of the most well known protocols developed for the interconnection of networks Originallya UNIX standard TCP IP is now supported on almost all platforms and is the protocol of the Internet TCP relates to the content of the data travelling through a network ensuring that the information sent arrives in one piece when it reaches its destination IP relates to the address of the end station to which data is being sent as well as the address of the destination network The movement of data packets on a network universal plug and play URL Filter WAN WDS WECA WEP Wi Fi Wireless Client Wireless LAN Service Area Wizard GLOSSARY 115 Universal plug and play is a system which allows compatible applications to read some of their settings from the Router This allows them to automatically configure some or all of their settings and need less user configuration AURL Filter is a feature of a firewall that allows it to stop its clients form browsing inappropriate Web sites Wide Area Network A network that connects computers located in geo
90. r 1 Mbps Maximum channels 14 Range up to 304 8m 1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 1 2 5 5 Mbps 85 dBm 11 Mbps 82 dBm typical Modulation CCK BPSK QPSK Encryption 40 64 bit WEP 128 bit WEP WPA 94 APPENDIX B TECHNICAL SPECIFICATIONS Standards Maximum clients 128 O P Power 16dBm Operating Temperature 0 C to 40 C 32 F to 105 F Power 8VA 25 BThU hr Humidity 0 to 90 non condensing humidity Dimensions a Width 220 mm 8 7 in a Depth 133 mm 5 2 in a Height 38 mm 1 5 in Weight Approximately 550 g 1 1 Ibs Functional ISO 8802 3 IEEE 802 3 IEEE 802 11b 802 119 Safety EN 60950 EMC EN 55022 Class B EN 55024 FCC Part 15 Class B ETSI EN 301 489 17 Radio ETS 300 328 2 4 GHz ISM band wide band transmission systems Environmental EN 60068 IEC 68 See Regulatory Notices for conditions of operation System Requirements Ethernet Performance Cable Specifications OfficeConnect ADSL Wireless 11g Firewall Router 95 Operating Systems The Router will support the following Operating Systems Windows 95 98 Windows NT 4 0 Windows ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix The Router complies to the IEEE 802 3i u and x specifications The Router supports the following cable types and maximum lengths Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded
91. reference best first is 100BASE TX full duplex 100BASE TX half duplex 10BASE T full duplex and 10BASE T half duplex Auto negotiation is defined in the IEEE 802 3 standard for Ethernet and is an operation that takes place in a few milliseconds The information capacity measured in bits per second that a channel can transmit The bandwidth of Ethernet is 10 Mbps the bandwidth of Fast Ethernet is 100 Mbps The bandwidth for 802 1 1b wireless is 11Mbps One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 3 is voice grade cable and can only be used in Ethernet networks 10BASE T to transmit data at speeds of up to 10 Mbps One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 5 can be used in Ethernet 10BASE T and Fast Ethernet networks 100BASE TX and can transmit data up to speeds of 100 Mbps Category 5 cabling is better to use for network cabling than Category 3 because it supports both Ethernet 10 Mbps and Fast Ethernet 100 Mbps speeds Similar to any radio device the Wireless Cable DSL router allows you to choose different radio channels in the wireless spectrum A channel is a particular frequency within the 2 4GHz spectrum within which the Router operates The term used to described the desktop PC that is connected to your network Dynamic Host Configuration Protocol This protocol automatically assigns an IP address for every computer o
92. rgoed or ii to any one on the U S Commerce Department s Table of Denial Orders or the U S Treasury Department s list of Specially Designated Nationals TRADE SECRETS TITLE You acknowledge and agree that the structure sequence and organization of the Software are the valuable trade secrets of 3Com and its suppliers You agree to hold such trade secrets in confidence You further acknowledge and agree that ownership of and title to the Software and Documentation and all subsequent copies thereof regardless of the form or media are held by 3Com and its suppliers UNITED STATES GOVERNMENT LEGENDS The Software Documentation and any other technical data provided hereunder is commercial in nature 102 APPENDIX D END USER SOFTWARE LICENSE AGREEMENT and developed solely at private expense The Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in this Agreement which is 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable TERM AND TERMINATION The licenses granted hereunder are perpetual unless terminated earlier as specified below You may terminate the licenses and this Agreement at any time by destroying the Software and Documentation t
93. rts when there is no activity For example you have made some changes in the setup interface then left your computer alone without clicking Logout Assuming the timeout is set to 5 minutes then 5 minutes after you leave the login session will expire You will have to login to the router again to make any more changes The login timeout option is for security purposes and the default is set to 5 minutes As a note only one computer can be logged into the Router s web management interface at one time Time and Time Zone You can set the time settings for the Router in this page Figure 68 Time and Time Zone Screen 3com Setup Wizard OfficeConnect ansL Wireless 11g Firewall Router Time and Time Zone Current time August 1 2005 12 00 22 AM Whenever Using Time Server is enabled you should also choose the time zone that is do your location in order to get the correct time You can also set the date time m the Base Date Time fields The Base Date Time Fields are used for the te time if the Router is not using the Time Server or is not able to obtain a time from the internet Using Time Server NTP F Enable Set Time Zone GMT 08 00 P actic Time US amp Canada Tijuana Synchronization Interval E 1 72 hours Primary Server 5321634102 Nonh Amenca Secondary Server 9254741 Nonh America Daylight Savings F Enable Start Time Buy oft End Time onary Ama The Router keeps time by connecting to a Simple Network T
94. ruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the success of your networking projects More information on 3Com maintenance and Professional Services is available at www 3com com Contact your authorized 3Com reseller or 3Com for a complete list of the value added services available in your area 104 APPENDIX E OBTAINING SUPPORT FOR YOUR PRODUCT Troubleshoot Online You will find support tools posted on the 3Com Web site at www 3com com 3Com Knowledgebase helps you troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com and contains thousands of technical solutions written by 3Com support engineers Access Software Downloads Software Updates are the bug fix maintenance releases for the version of software initially purchased with the product In order to access these Software Updates you must first register your product on the 3Com Web site at http eSupport 3com com First time users will need to apply for a user name and password A link to software downloads can be found at http eSupport 3com com OF under the Product Support heading at www 3com com Software Upgrades are the feature releases that follow the software version included with your original product In order to access upgrades and related documentation you must first purchase a service contract from 3Com or your reseller T
95. so obtain support in this region using the following Spanish speakers enter the URL http lat 3com com lat support form html Portuguese speakers enter the URL http lat 3com com br support form html English speakers in Latin America should send e mail to lat_support_anc 3com com AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 52 55 52 01 00 04 01 800 849CARE 01 800 849 2273 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 Contact Us 107 Country Telephone Number Country Telephone Number US and Canada Telephone Technical Support and Repair 1 800 876 3266 108 APPENDIX E OBTAINING SUPPORT FOR YOUR PRODUCT 802 11b 802 119 10BASE T 100BASE TX Access Point Ad Hoc mode Auto negotiation GLOSSARY The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps The standard provides for 1 2 5 5 and 11 Mbps data rates The rates will switch automatically depending on range and environment The IEEE specification for wireless Ethernet which allows speeds of u
96. sses Because domain names are alphabetic they re easier to remember The Internet however is really based on IP addresses Every time you use a domain name a DNS service must translate the name into the corresponding IP address For example the domain name www example com might translate to 198 105 232 4 Check with your ISP for information on this page 56 CHAPTER 5 CONFIGURING THE ROUTER Hostname amp MAC Figure 44 DNS Screen If your has provided you with a speofic DNS address to use enter the address in this window and dick Apply Automatic from ISP F DNS Address J J A 6 J Secondary DNS Address J F 6 P ONS Domain Name Server server located on the med au translates URLs Universal Resource Links ike www 3com com to IP addres If the DNS information is automatically provided by your ISP every time you connect to it check the Automatic from ISP box If your ISP provided you with specific DNS addresses to use enter them into the appropriate fields on this screen and click Apply Many ISPs do not require you to enter this information into the Router If you are using a Static IP connection type you may need to enter a specific DNS address and secondary DNS address for your connection to work properly If your connection type is Dynamic PPPoA or PPPoE it is likely that you do not have to enter a DNS address To configure the Hostname and MAC Address information for your Router select Internet Se
97. st have the same ESSID entered into the router and each of it s wireless clients A LAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at a rate of 10 Mbps over a variety of cables See MAC address An Ethernet system that is designed to operate at 100 Mbps Electronic protection that prevents anyone outside of your network from seeing your files or damaging your computers A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput of a link A system that allows packets to transmitted and received but not at the same time Contrast with full duplex A device that regenerates LAN traffic so that the transmission distance of that signal can be extended Hubs are similar to repeaters in that they connect LANs of the same type however they connect more LANs than a repeater and are generally more sophisticated 112 GLOSSARY IEEE IETF Infrastructure mode IP Address IPsec ISP LAN Institute of Electrical and Electronics Engineers This American organization was founded in 1963 and sets standards for computers and communications Internet Engineering Task Force An organization responsible for providing engineering solutions for TCP IP networks In the network management area this group is responsible for the development of the SNMP protocol Infrastructure mode is
98. supplier WARNING Disconnect the power adapter before moving the unit 98 APPENDIX C SAFETY INFORMATION AN WARNING RJ 45 ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets Only connect RJ 45 data connectors to these sockets Wichtige Sicherheitshinweise gt PPP Pb pP VORSICHT Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen m ssen Alle Anweisungen sind sorgf ltig zu befolgen Sie m ssen die folgenden Sicherheitsinformationen sorgf ltig durchlesen bevor Sie das Ger ts installieren oder ausbauen VORSICHT Der Router erzeugt und verwendet Funkfrequenz RF In manchen Umgebungen ist die Verwendung von Funkfrequenz nicht gestattet Erkundigen Sie sich bei den zust ndigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausbau des Ger ts ist mit h chster Vorsicht vorzugehen VORSICHT Aufgrund von internationalen Sicherheitsnormen darf das Ger t nur mit dem mitgelieferten Netzadapter verwendet werden VORSICHT Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden VORSICHT Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC
99. t IP Filters 60 MAC Address Filtering 65 DMZ 66 Advanced 68 Routing 70 DDNS 73 SNMP 74 System Tools 75 Restart Router 75 Reset to Factory Default 76 Backup Restore Settings 76 Upgrade 77 Admin Password 77 Time and TimeZone 78 Syslog Server 79 Status and Logs 80 Status 80 ADSL Status 80 ATM PVC Status 81 Log 81 Support Feedback 82 Support 82 Feedback 82 TROUBLESHOOTING Basic Connection Checks 83 Browsing to the Router Configuration Screens 83 Connecting to the Internet 84 Forgotten Password and Reset to Factory Defaults 84 Wireless Networking 85 Recovering from Corrupted Software 87 Frequently Asked Questions 88 IP ADDRESSING The Internet Protocol Suite 89 Managing the Router over the Network 89 IP Addresses and Subnet Masks 89 How does a Device Obtain an IP Address and Subnet Mask 91 DHCP Addressing 91 Static Addressing 91 Auto IP Addressing 91 TECHNICAL SPECIFICATIONS OfficeConnect ADSL Wireless 11g Firewall Router 93 Standards 94 C SAFETY INFORMATION D END USER SOFTWARE LICENSE AGREEMENT E OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 103 Purchase Value Added Services 103 Troubleshoot Online 104 Access Software Downloads 104 Telephone Technical Support and Repair 104 Contact Us 105 GLOSSARY REGULATORY NOTICES INDEX ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect ADSL Wireless 11g Firewall Router 3CRWD100x 7
100. tement about the Documentation The documentation for this product is printed on paper that comes from sustainable managed forests it is fully biodegradable and recyclable and is completely chlorine free The varnish is environmentally friendly and the inks are vegetable based with a low heavy metal content CONTENTS ABOUT THIS GUIDE Naming Convention 5 Conventions 6 Feedback About this User Guide 6 Related Documentation 7 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless 11g Firewall Router 9 Router Advantages 11 Package Contents 11 Minimum System and Component Requirements 12 Front Panel 12 Rear Panel 13 INSTALLING THE ROUTER Introduction 15 Safety Information 15 Positioning the Router 15 Using the Rubber Feet 16 Powering Up the Router 16 Connecting the Router 16 SETTING Up YOUR COMPUTERS Obtaining an IP Address Automatically 21 Windows 2000 21 Windows XP 23 Windows 98 ME 23 Macintosh 23 Disabling PPPoE and PPTP Client Software 24 Disabling Web Proxy 24 RUNNING THE SETUP WIZARD Accessing the Setup Wizard 25 Setup Wizard Connection Type 27 CONFIGURING THE ROUTER Navigating Through the Router Configuration Pages 35 Main Menu 35 Status Screen 35 Status 35 LAN Setup 36 LAN Settings 37 Wireless Settings 39 Configuring Wireless 39 Encryption 40 Internet Settings 46 Connection Type 46 DNS 55 Hostname amp MAC 56 Firewall 57 Special Applications 58 Virtual Servers 59 Clien
101. ter The list is only created when the Router is set up as a DHCP server For each device that is connected to the LAN the following information is displayed m IP address The Internet Protocol IP address issued to the client machine m Host Name The client machine s host name if configured m MAC Address The Media Access Control MAC address of the client s network card a Client Type Whether the client is connected to the Router by wired or wireless connection As you connect more devices the client list will grow to a maximum number of 253 clients From this section of the screen you can do the following m Inthe table check the Fix text box to permanently fix the IP address a Inthe table click Release to release the displayed IP address a Click New to allocate an IP address to a MAC address If you click New a screen similar to that shown in Figure 28 will be displayed Enter the required details and click Apply to save your settings Figure 28 Editing DHCP Clients List Screen 00 10 85 52 49 69 un r MAG Address Type 192 168 1 Cf 17 f Feed Mapping hei avoir concer The DHCP server will give out addresses to both wired and wireless clients Wireless Settings 39 Wireless Settings Configuring Wireless From these pages you can configure the settings for wireless connections Figure 29 Wireless Settings Screen onnect ADSL Wireless 119 Firewall Router Enab
102. ter when an instruction simply says type Keyboard key names If you must press two or more keys simultaneously the key names are linked with a plus sign Example Press Ctrl Alt Del Words in italics Italics are used to Emphasize a point m Denote a new term at the place where it is defined in the text Identify menu names menu commands and software button names Examples From the Help menu select Contents Click OK Feedback About Your suggestions are very important to us They will help make our this User Guide documentation more useful to you Please e mail comments about this document to 3Com at pddtechpubs_comments 3com com Please include the following information when commenting m Document title m Document part number on the title page a Page number if appropriate Related Documentation gt Related Documentation 7 Example a OfficeConnect ADSL Wireless 11g Firewall Router User Guide a Part Number DUA100A 72AAA01 a Page 24 Do not use this e mail address for technical support questions For information about contacting Technical Support please refer to Appendix E In addition to this guide each Router document set includes one Installation Guide This guide contains the instructions you need to install and configure your Router 8 ABOUT THIS GUIDE INTRODUCING THE ROUTER Welcome to the world of networking with 3Com In the modern business environment commun
103. th the same settings to Set the Wireless Channel you want to use from the Channel drop down list Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name 32 CHAPTER 4 RUNNING THE SETUP WIZARD ao vu BB WN Routing Mode over ATM RFC 1483 Routed Mode To set up the Router for use with an RFC 1483 routed connection Figure 21 Routing Mode Screen Encapsulation Enter your Internet IP address in the WAN P text box Enter the subnet mask in the Subnet Mask text box Enter the default router in the Default Gateway text box Enter the DNS address in the DNS text box Enter your VPI and VCI information in the VPI VC text boxes Select the encapsulation type LLC or VC MUX in the Encapsulation drop down list This information will have been provided to you by your ISP Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 22 Wireless Settings Screen features select channel from the list and specify the Yor s PCS must be configured with the same settings to communscate with the Router ma eon Note The default 5510 is 3Com 8 9 au BR WN Accessing the Setup Wizard 33 Set the Wireless Channel you want to use from the Channel drop down list Specify the SSID to be used by your Wireless Network in the SSID field If there are
104. the User Name assigned to you by your ISP in the User Name field Enter the password assigned to you by your ISP in the Password field Re enter your password in the Confirm Password field Enter the MTU value supplied by your ISP If you do not know this leave it at the default value Click Apply Internet Settings 51 Bridge Mode For a Single PC RFC 1483 Bridged Mode If the ISP limits some specific computers to access Internet that means only the traffic to from these computers will be forwarded and the other will be filtered In this case bridge modem is used to connect to the ISP The ISP will generally give one Internet account and limit only one computer to access the Internet Check with your ISP to determine if this mode is used for your DSL connection To configure this page correctly you should also obtain the information on this page from your ISP Figure 40 Bridge Mode For Single PC Screen Encapsulation QoS Class PCR SCR MBS After clicking Edit on the ATM PVC page the ATM Interface page appears 1 Select Bridge Mode from the Protocol drop down menu 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields 3 Select the encapsulation type LLC or VC MUX in the Encapsulation Type field This information will have been provided to you by your ISP 4 Select the type of Quality of Service that you want from the QoS Class drop down menu CBR constant bit rate t
105. tions in which there is no fixed timing relationship between samples but that still need a guaranteed QoS Compare with ABR CBR and UBR 5 Enter the PCR SCR MBS values 6 IP assigned by ISP If your ISP assigns your IP address dynamically then select Yes in the IP assigned by ISP field and proceed to step 7 If your ISP has assigned you a fixed or static IP address select No in the P assigned by ISP field Then enter the IP address and Subnet Mask information provided by your ISP into the P address and Subnet Mask fields 7 Select the connection type from the Connect Type drop down menu 10 11 Always Connected means that Internet connection to your ISP is always on a Auto Triggered by Traffic means your Router will automatically connect to your ISP every time a PC needs to access the Internet a Manual Start in Disconnected means that after re booting the Router the Internet connection will need to be re established manually by the user a Manual Start in Connected means that after re booting the Router it will automatically establish connection to your ISP a Manual Start in Last State means that after re booting the Router the Internet connection will stay in the previous condition before the reboot If you want your Router to automatically disconnect from the Internet after a period of inactivity specify a time in the dle Time Minutes field Enter a value of O to disable this timeout Enter
106. to be configured in a specific way to operate properly This usually requires opening TCP and UDP ports and in some instances setting trigger ports An application that is Universal Plug and Play compliant has the ability to communicate with the Router basically telling the Router which way it needs the firewall configured The Router ships with the Universal Plug and Play feature disabled If you are using any applications that are Universal Plug and Play compliant and want to take advantage of the Universal Plug and Play features you can enable this feature Simply select On in the Universal Plug and Play section of the Utilities page Click Apply to save the change WAN Ping Blocking Computer hackers use what is known as Pinging to find potential victims on the Internet By pinging a specific IP address and receiving a response from the IP address a hacker can determine that something of interest might be there The Router can be set up so it will not respond to an ICMP Ping from the outside This heightens the level of security of your Router To turn off the ping response select Block ICMP Ping and click Apply the router will not respond to an ICMP ping from the Internet Remote Administration Before you enable this function ensure that you have set the Administration Password 70 CHAPTER 5 CONFIGURING THE ROUTER Remote Administration allows you to make changes to your Router s settings from anywhere on the Internet Yo
107. ttings then from the sub menu select Hostname amp MAC The Hostname and MAC Address screen displays Figure 45 Hostname and MAC Address Screen l ADSL Wireless 11g Firewall Router lame and MAC Address Settings Host Name CO WAN MAC address p p p p p p Clone Computers mac address Giana Set to Dofau MAC Address Reset MAC Firewall Firewall 57 Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name field Three different ways to configure this page f your ISP requires an assigned MAC address enter the values for a WAN MAC address or m f the computer you are now using is the one that was previously connected directly to the cable modem select Clone or a To reset the MAC Address to the default select Reset MAC Click Apply to save the settings From these pages you can configure settings for the firewall Your Router is equipped with a firewall that will protect your network from a wide array of common hacker attacks including Ping of Death PoD and Denial of Service DoS attacks You can turn the firewall function off if needed Turning off the firewall protection will not leave your network completely vulnerable to hacker attacks but 3Com recommends that you leave the firewall enabled whenever possible Figure 46 Firewall Screen ficeConnect apsL Wireless 119 Firewall Router Enable Firewall _moip_ asoir_ _cancei 58 CHAPTER 5 CONFIGURI
108. u can choose to either m Click the check box to enable any PC on the network to remotely manage your Router m Enter one specific IP address that can remotely manage your router This is more secure as only the specified IP address will be able to manage the Router Routing Three tabs are presented in the Routing screen m Routing m RIP Routing Information Protocol RIP allows the network administrator to set up routing information on one RIP enabled device and send that information to all RIP enabled devices on the network a Routing table Routing Figure 58 Routing Parameter Screen The Routing parameter screen shows a list of current static route entries For each entry the following information is displayed m Index the index of the entry m Network Address the network address of the route m Subnet Mask the subnet mask of the route A network address of 0 0 0 0 and a subnet mask of 0 0 0 0 indicates the default route Advanced 71 m Gateway the router used to route data to the network specified by the network address To add a static route entry to the table click Add and on the screen that appears type in the network address subnet mask and router To change an entry click Edit and to delete an entry click Delete After you have finished making changes to the table click Apply RIP Parameters Figure 59 RIP Parameter Screen 3com Setup Wizard Enable Disable C Enable
109. ute keys to the clients and this function requires that a Radius server is running on the network Figure 35 WPA with RADIUS Server Screen To enable WPA with Radius server Enter the IP address of the RADIUS server on your network into the RADIUS Server field Enter the port that the RADIUS server is operating on in the RADIUS Port field Enter the key for the RADIUS server in the RADIUS Key field 4 By default the WPA keys are changed every hour but if you want to change this you can do so by specifying the required time in the Re key Interval field in minutes Click Apply Wireless Settings 45 Wireless WDS Settings The Router supports WDS Wireless Distribution System WDS enables one or more Access Points to rebroadcast received signals to extend range and reach though this can affect the overall throughput of data Figure 36 Wireless WDS Settings Screen CAN 3com Setup Wizard iceConnect ansL Wireless 119 Firewall Router Enable WDS Function Rescan Wireless Networking Name AP MAC Address fo pO a PS BB PB ne fo m fo fe E E Tig Support Feedback 3 HMB6106 tog out r p fo Ag BE 13 E tig WPA2PSK 12345678 rf fo fe Fo fr fe fie 5 WPAPSK 12345678 re fe fo fe Fo fr po fie 6 STREAMING21 m To enable wireless repeating 1 Check the Enable WDS check box 2 Enter the MAC address es of one or more access points in the AP MAC Address table 3 Cli
110. work Supplier e Returning Products for Repair This screen shows support information Feedback To provide feedback to 3Com please click Provide Feedback and this will connect you to 3Com Web site Figure 75 Feedback Screen ADSL Wireless 119 Firewall Router is always looking for product improvements If you d like to help us by Providing feedback you can do 0 by clicking on the button below which will connect you to 3Com s website None of the fields are mandatory Just provide the informanon you wish line ce Bak for Tjuko oran If you need assistance click on the on the left hand menu This screen shows feedback information TROUBLESHOOTING Basic Connection Checks Check that the Router is connected to your computers and to the telephone line and that all the equipment is powered on Check that the LAN Status and SYNC LEDs on the Router are illuminated and that any corresponding LEDs on the NIC are also illuminated Ensure that the computers have completed their start up procedure and are ready for use Some network interfaces may not be correctly initialized until the start up procedure has completed If the link status LED does not illuminate for a port that is connected check that you do not have a faulty cable Try a different cable Browsing to the Router Configuration Screens If you have connected your Router and computers together but cannot browse to the Router configuration screens chec
111. y not larger than a floor or building LANs are characterized by high transmission speeds over short distances up to 1000 metres MAC MAC Address NAT NAT T Network Network Interface Card NIC Protocol PPPOE PPTP RJ 45 GLOSSARY 113 Media Access Control A protocol specified by the IEEE for determining which devices have access to a network at any one time Media Access Control Address Also called the hardware or physical address A layer 2 address associated with a particular network device Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network MAC addresses are 6 bytes long Network Address Translation NAT enables all the computers on your network to share one IP address The NAT capability of the Router allows you to access the Internet from any computer on your home network without having to purchase more IP addresses from your ISP A Network is a collection of computers and other computer equipment that are connected for the purpose of exchanging information or sharing resources Networks vary in size some are within a single room others span continents A circuit board installed into a piece of computing equipment for example a computer that enables you to connect it to the network A NIC is also known as an adapter or adapter card A set of rules for communication between devices on a network The rules dictate format t

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