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3Com 3CRWE554G72 Network Card User Manual

1. To setup the Gateway for use with a PPTP connection use the following procedure 1 Select PPTP used by some European providers in the P Allocation Mode field Figure 44 2 Enter your PPTP server address in the PPTP Server Address text box this is typically the address of your modem 3 Enter your PPTP user name in the PPTP User Name text box 4 Enter your password in the PPTP Password text box Firewall 63 5 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes Select an idle time from the Maximum Idle Time drop down list This value will correspond to the amount of idle time no Internet activity that will pass before the Gateway automatically ends your PPTP session IP settings must be used when establishing a PPTP connection Fill in the Initial IP Address and the Initial Subnet Mask fields if your ISP has provided you with these settings Alternatively if the PPTP server is located in your DSL modem click Suggest to select an IP address on the same subnet as the PPTP server Firewall Virtual Servers On the main frame of the Firewall setup screen is a menu with five tabs Virtual Servers Special Applications PCs Privileges URL Filter and Security Selecting the Firewall option on the main menu displays the Virtual Se
2. Yes please clone the MAC address from the PC I m currently using 01 23 45 67 89 AB C Yes I would like to enter a MAC address manually po po po fio ER pa Valid characters are 0 9 and A F ESS Es 3 If your ISP requires an assigned MAC address select Yes I would like to enter a MAC address manually and enter the values for a MAC address if required Figure 19 If the computer you are now using is the one that was previously connected directly to the cable modem choose Yes please clone the MAC address from the PC I m currently using 36 CHAPTER 4 RUNNING THE SETUP WIZARD Static IP Mode To setup the Gateway for use with a static IP address connection use the following procedure Select SP has provided a static IP address see Figure 16 and then click Next Figure 20 displays Figure 20 Static IP Mode Screen Internet Settings Static IP Mode Please enter your settings as provided by your ISP below IP Address ooo Subnet Mask ooo Internet ISP Gateway Address foo Primary DNS Address Rau Secondary DNS Address foo optional ESS Ge 2 Enter your IP Address in the P Address text box 3 Enter your subnet mask in the Subnet Mask text box Enter your ISP gateway address in the Internet ISP Gateway Address text box 5 Enter your primary DNS address in the Primary DNS Address text box 6 Enter your secondary DNS address in the Secondary DNS Address text
3. If you enable this feature from a Wireless PC it will automatically be added to the Authorized Wireless PC list Authorized Wireless PCs Figure 36 Connection Control Detail Screen F Wireless popup ConnectionControl Microsoft Internet Explorer Connection Control 109 87 65 43 21 FE Authorised MAC Address 32 23 54 FE AC 1B 25 74 56 32 A3 D4 12 AB CD EF 09 87 Manual Entry mac Address sf Valid characters are 0 9 and A F 54 CHAPTER 5 GATEWAY CONFIGURATION VV To create a list of Wireless computers that can access the Gateway Press New The screen shown in Figure 36 opens Select the MAC addresses of the Wireless PCs for which you want to allow access To select multiple MAC addresses hold down the Ctrl key while clicking on the addresses The drop down list on the Connection Control window will contain the MAC addresses of all Wireless PCs that are in range currently operating and have the same Service Area Name SSID channel and encryption settings as the Gateway You will find this screen easier to use if you set up and make a note of all of your wireless PC s on your network first You may also add the entries manually if you know the MAC address To add a MAC address that is not in the list enter the MAC address in the appropriate fields A MAC address consists of 12 characters Valid characters are 0 9 and A F Press Add Click Close to discard all changes Modifying
4. Oax Or AB A PA search Favorites Meda O Or ir Address http 192 168 1 1 Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Status and Logs Support Feedback ficeConnect Wireless 1g Cable DSL Gateway System Tools Backup Configuration Please press the Backup button to save configuration data to your PC BACKUP Restore Configuration Data Please select the location of a previously backed up configuration file on your PC using the browse button below then press the Restore button Browse Note You need to make sure the Files of type is set to All files to see the file Reset to Factory Default Please press the Reset button to restore configuration to factory default RESET Note All current configuration will be lost Status Ready Select the Configuration tab to display the Configuration screen Figure 59 Backup Configuration Click BACKUP to save the current Gateway configuration You will be prompted to download and save a file to disk Restore Configuration Data If you want to reinstate the configuration settings previously saved to a file press Browse to locate the backup file on your computer and then click RESTORE to copy the data into the Gateway s memory The password will remain unchanged Reset to Factory Default If you want to reset the settings on your Gateway to those that were l
5. 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 up 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 gateway u
6. box This step is optional Not all ISPs require a secondary DNS address Check all of your settings and then click Next ER WN Accessing the Wizard 37 PPTP Mode Figure 21 PPTP Mode Screen Internet Settings PPTP Mode Please enter your PPTP account settings as provided by your ISP below The PPTP Server is typically located in your DSL modem In the case of an Alcatel Speed Touch modem its default address is 10 0 0 138 PPTP Server Address 10 0 0 138 PPTP User Name PPTP Password Primary DNS Address 0 0 0 0 optional Secondary DNS Address 0 0 0 0 optional lt lt Back Next gt gt Cancel To setup the gateway for use with a PPTP connection use the following procedure Enter your PPTP server address in the PPTP Server Address text box Enter your PPTP user name in the PPTP User Name text box Enter your PPTP password in the PPTP Password text box Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes Check all of your settings and then click Next Figure 22 displays Figure 22 PPTP IP Settings Internet Settings PPTP Mode You must specify some IP settings to be used when establishing the PPTP connection If your ISP has provided you with these settings then you should use them Otherwise if the PPTP se
7. This Administration System co rehensive online help system that gives explanations and erh bouter configuring the OfficeConnect Wireless 11g Cable DSL Gateway How to use the hel Table of Contents If additional assistance is required please select one of the following links Support from your Network Supplier Support from 3Com Selecting the Support option on the main menu displays the support links screen which contains a list of Internet links that provide information and support concerning the Gateway Figure 64 Figure 65 Feedback Screen OfficeConnect Wireless 11g Cable DSL Gateway Microsoft Internet Explorer CA scom Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Status and Logs Support Feedback Feedback Feedback 3Com is always looking for product improvements If you d like to help us by providing feedback you an do so by clicking on the button below which will connect you to 3Com s website None of the fields are mandatory just provide the information you wish Please do not use this link for Technical es Ar you need assistance dick on the Support option on the left hand mi Status Ready 82 CHAPTER 5 GATEWAY CONFIGURATION Selecting the Feedback option displays the Feedback screen and allows you to provide feedback to 3Com on the operation of your Gateway Figure 65 This screen should not be used to obtain technical support TROUBL
8. You can now register your Gateway on the 3Com web site and receive up to date information on your product http www 3com com register 10 ABOUT THIS GUIDE INTRODUCING THE GATEWAY Welcome to the world of networking with 3Com In the modern business environment communication 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 The OfficeConnect product range from 3Com has changed all this bringing networks to the small office The products that compose the OfficeConnect range give you the small office user the same power flexibility and protection that has been available only to large corporations Now you can network the computers in your office connect them all to a single Internet outlet and harness the combined power of all of your computers OfficeConnect Wireless 11g Cable DSL Gateway The OfficeConnect Wireless 11g Cable DSL Gateway is designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Gateway 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 Gateway can also prevent your users from accessing Web sites which you find unsuitable Figure 1 shows an example network wit
9. 3 Enter the following URL in the location or address field of your browser http 192 168 1 1 Figure 9 The Login screen displays Figure 9 Web Browser Location Field Factory Default File Edit View Favorites Tools Help Back en E 2 search Favorites Media Address To log in as an administrator enter the password the default setting is admin in the System Password field and click Log in Figure 10 30 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 10 Gateway Login Screen Login Screen Enter System Password System Password l default admin Login cancel Note The password is case sensitive Click here if you can t remember the password 5 If the password is correct the Country Selection screen will appear Select the country you wish to configure the Gateway for then click Apply Figure 11 Figure 11 Country Selection Screen Country Selection Country Selection Please select a country to configure the Gateway for your location Select County Warning After applying this setting you will only be able to change it by resetting the Gateway to Factory Defaults 6 When you have selected a country either m The Welcome screen will appear Figure 12 Select the Wizard tab and click Wizard or Accessing the Wizard 31 f your Gateway has not been configured before the Wizard will launch automatically refer to Figure 13 7 Click Next 8 You will be guided step by
10. DNS Address will be obtained automatically from your ISP They are not displayed on this screen but may be viewed on the Status screen click on Status and Logs on the left hand menu bar To setup the Gateway for use with a dynamic IP address connection 1 Select Dynamic IP Address automatically allocated in the IP Allocation Mode field Figure 42 2 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes 3 Enter the Host Name optional Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name text box 4 Ifyou use Cable your ISP may use your MAC address to authenticate you If this is the case you will need to Clone your MAC address There are three options a Use the Gateway s original Internet MAC address This field is selected by default and is automatically filled in with the MAC address of the Gateway Internet Settings 61 m Use this PC s MAC address This field is automatically filled in with the MAC address of the PC you are using to configure the Gateway You should use this address only if you were previously using this computer to connect directly to your modem a Enter anew MAC address manually Use this option if you want to specify a new MAC address Enter the new M
11. Explorer Virtual Server Settings Server IP Address 192 168 1 Local Service Custom 7 Custom Service Name Specify Custom Service Ports 4 Click Add to save the settings The port numbers are specified using a comma separated list with hyphens to denote port number ranges So for example entering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated Special Applications Figure 48 Special Applications Screen Favorites Help i a A seah s Favorites Meda Or ir Address http 192 168 1 1 CAVE O 3com Welcome LAN Settings An application nes QuickTime 4 7 ireless Settings Client 554 6970 32000 Internet Settings QuickTime 4 Server Real Audio 7070 s970 6970 7000 Firewall System Tools Status and Logs Support Feedback Status Ready fa CO a My Computer A Select Special Applications tab to display Authorized Application setup screen Figure 48 Some software applications require special or multiple connections to the Internet and these would normally be blocked by the firewall For example Internet Telephony or Video conferences require multiple connections So that these special applications can work properly and are not blocked the firewall needs to be told about them In each instance there will be a 66 CHAPTER 5 GATEWAY CONFIGURATION trigger port and incoming port s where traffic on the trigger port tells the
12. Gateway was last reset Figure 62 The counts are approximate and should be used as a guide only Contact your ISP for accurate logging information 80 CHAPTER 5 GATEWAY CONFIGURATION Figure 62 Usage Screen Kal N 7 anect Wire Status and Logs 3com g Welcome Internet Usage Monitor LAN Settings Monitor Period 23 days 2 hours 36 mins Wireless Settings Upload 237 Mbytes Internet Settings Download 1680 Mbytes Firewall Combined 1917 Mbytes System Tools Status and Logs Support Feedback Status Ready Logs Logs will allow you to view both the normal events and security threats logged by the Gateway Figure 63 Logs Screen ES 3C0M Welcome LAN Settings ee his is the content of the log file Internet Settings Firewall This is the content of the log file of file System Tools This is the content of the log file le Status and Logs Support Feedback You may be asked to refer to the information on the Status and Logs screens if you contact your supplier for technical support Support Feedback Selecting Support Feedback from the main menu displays the Support and Feedback screens Support Feedback Figure 64 Support Feedback 81 Support Screen Cable DSL Gateway Microsoft Internet Explorer Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Status and Logs Support Feedback Support
13. Gateway you will need to know the following a Username m Password a Service Name if required by your ISP When you install the Gateway you will not need to use the PPPoE software on your PC PPTP DSL or Cable PPTP is only used by some European providers If the installation instructions that accompany your modem ask you to setup a dialup connection using a PPTP VPN tunnel then select this option To configure the Gateway you will need to know the following m Username m Password a VPN Server address usually your modem 58 CHAPTER 5 GATEWAY CONFIGURATION When you install the Gateway you will not need to use the dialup VPN on your PC anymore Connection to ISP Figure 40 Connection to ISP Screen Edit View Favorites Tools Help Beck O id a A search Favorites Meda or ir address http 192 168 1 1 CAR Off Wireless 11g Cable DSL Gateway scom Internet Settings Welcome Connection Parameters LAN Settings IP Allocation Mode Dynamic IP address automatically allocated 7 Wireless Settings Primary DNS Address 0 0 0 0 optional Internet Settings Secondary DNS Address 0 0 0 0 optional Fil il me Host Name optional System Tools Clone MAC Address Some ISPs require you to register your MAC address with them If you have done Status and Logs this the MAC address of the Gateway must be changed to the MAC address that you supplied to your ISP Support Feedback Use
14. 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 usually 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 Network Network Interface Card NIC Protocol PPPoE PPTP RJ 45 Server GLOSSARY 115 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 Gateway 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
15. Screen 0 Ci 3com System Tools Welcome Save Profile LAN Settings 3Com Wireless Network pre allow you to import their wireless Wireless Settings configuration via a profile The Gateway can generate a profile so that you do not need to configure your Wireless PCs Press the Save Profile button below to save the Gateway s current Firewall wireless settings to a file Internet Settings System Tools Profile Name SS SE PR Status and Logs Support Feedback Status Ready 56 CHAPTER 5 GATEWAY CONFIGURATION Some 3Com Wireless Network Adapters allow you to import Wireless configurations via a profile The Gateway can generate a profile so that you do not need to configure your Wireless PCs manually The profile contains three items as follows a Service Area Name SSID of the Gateway This is configured on the Configuration tab under the Wireless Settings option a Encryption settings from the Gateway This is configured on the Encryption tab under the Wireless Settings option a Profile Name This is used to identify the profile once it has been imported into the Wireless Network Adapter configuration software To set up a profile once the Service Area Name SSID and Encryption settings have been configured in the Gateway Enter a Profile Name up to 25 alohanumeric characters and then click Save Profile Your browser will then prompt you to enter a file name and folder location in wh
16. Service Area Name may also be referred to as ESSID depending on your networking vendor By default the Gateway uses the name 3Com 3Com recommends that you change the default name In order that your wireless computers can connect to the Gateway you must a Use Infrastructure Mode not Adhoc Mode m Have the same Service Area Name as the Gateway m Have the same Channel number as the Gateway m Use the same encryption type and keys as the Gateway m Ensure that the PC is included in the authorized Wireless PCs list if Connection Control is enabled See page 53 Enable Broadcast SSID This feature can be used to improve the security of your wireless network When the tickbox is checked the Gateway will broadcast the Service Area Name SSID of your wireless network This will allow unauthorized clients from detecting your SSID and attempting to connect to your network If you have a wireless client that can detect all the available SSIDs in your area your client will not list the Gateway SSID unless this feature is enabled The clients will still be able to connect provided that they are supplied with the SSID Encryption Configuring WPA Encryption Wireless Settings 49 3Com recommends that you install your wireless network with this feature enabled and then disable it once you have set up the Gateway and wireless clients When setting up wireless networks it is important to remember that with encryption disa
17. Wireless 11g Cable DSL Gateway 3CRWE554G72 WLAN LANStatus Cable DSL ENI 3com J Alert LED Orange Indicates a number of different conditions as described below Off The Gateway is operating normally Flashing quickly Indicates one of the following conditions The Gateway has just been started up and is running a self test routine or Front Panel 15 a The administrator has invoked the Reset to Factory Defaults command or m The system software is in the process of being upgraded In each of these cases wait until the Gateway has completed the current operation and the alert LED is Off Flashing slowly The Gateway has completed the Reset to Factory Defaults process and is waiting for you to reset the unit To do this remove power wait 10 seconds and then re apply power The Gateway will then enter the start up sequence and resume normal operation If you have used a cable to reset the unit to Factory Defaults follow steps 5 to 7 in Forgotten Password and Reset to Factory Defaults on page 85 On for 2 seconds and then off The Gateway has detected and prevented a hacker from attacking your network from the Internet Continuously on A fault has been detected with your Gateway during the start up process Refer to Chapter 6 Troubleshooting Power LED Green Indicates that the Gateway is powered on Wireless LAN WLAN Status LED Yellow If the LED is on i
18. a MAC Address Click on the MAC address to be modified in the table Figure 37 2 Modify the MAC address 3 Press Apply to accept the changes Figure 37 MAC Address Table Authorised Wireless PCs CO FF EE 23 45 00 0c 1 BF 98 12 34 56 78 90 AB Click Close to discard all changes Deleting aMAC Address The connection rights for a Wireless PC listed in the table can be removed by pressing Delete for that entry in the table Wireless Settings 55 Once an entry has been deleted it cannot be undone Please wait 30 seconds for changes to take effect Client List Figure 38 Client List Screen ct Wireless 11g Cable DSL Gateway Microsoft Internet Explorer er a 3scom Wireless Settings Welcome n MAC Address Connection Speed 12 34 78 56 90 CD 5 5Mbps CO FF EE 98 76 54 54Mbps 12 34 56 78 90 AB 2Mbps Client Type 11b 119 11b Internet Settings Firewall System Tools Status and Logs Support Feedback Status Ready The Wireless Client List provides details on the devices that are connected to the Wireless LAN The list is only created when Wireless Networking is enabled For each device that is connected to the Wireless LAN the MAC address and Connection Speed of that device is displayed As you connect more devices to the Wireless LAN the client list will grow to a maximum of 32 the maximum number of wireless devices that the Gateway can support Profile Figure 39 Profile
19. a public server For example one of your computers could be configured as an FTP server allowing others outside of your office network to download files of your choosing Or if you have created a Web site you can configure one of your computers as a Web server so that others can view your Web site To configure a virtual server Click New on the right side of the screen to open the Virtual Server Settings dialogue box Figure 46 Enter the last digit s of the IP address of the computer in the Server P Address text box Select the Service from the pull down list Figure 46 Figure 46 Virtual Servers Settings Screen ie DSL Gateway Microsoft Internet Explorer Server IP Address 192 168 1 L Local Service select one select one zZ Welcome LAN Settings Wireless Settings Internet Settings Redirect request 4 Email MAP4 port 143 Firewall postage by the unit PPTP port 1723 Tee IP address of DMZ Host TELNET port 23 m WEB https port 443 _ Status and Logs 192 168 2 49 192 168 2 1 Loc our 192 168 2 49 Support Feedback Status Ready fie 71 fdatajwork 3Com Wizardjweb_htmlimainjaccessCtri_vServers him Firewall 65 Or select Custom to specify a suitable name for the service and then enter the port numbers required for that service Figure 47 Figure 47 Custom Setup Screen Firewall popup Virtual Servers Microsoft Internet
20. at www 3com com All specifications are subject to change without notice Copyright 2003 3Com Corporation All rights reserved 3Com and OfficeConnect are registered trademarks of 3Com Corporation All other company and product names may be trademarks of their respective companies DUA0055 4AAA01 Rev 01
21. hexadecimal number in every box Hexadecimal numbers are formed from 0 9 and A F a 3Com Encryption String This method is supported by 3Com Wireless products The string can contain any alphanumeric characters and must be between 6 and 30 characters long A single string will automatically generate 4 unique keys for 64 or 128 bit WEP a ASCII This method is supported by some adapter cards running under Windows XP The string must be exactly 5 characters for 64 bit 52 CHAPTER 5 GATEWAY CONFIGURATION WEP and 13 characters for 128 bit WEP You must enter a separate string for each of the 4 Keys You can leave a string blank provided this Key is not selected as the Active Transmit Key a Passphrase This is another common method and similar to the 3Com Encryption string In 64 bit WEP the passphrase will generate 4 different keys However in 128 bit WEP this method only generates 1 key which is replicated for all 4 keys The passphrase can be up to 31 characters long and may contain any alphanumeric characters Select the key generation method you wish to use from the drop down list If you have other wireless products choose the scheme that is compatible with these then enter the appropriate information If you encounter any difficulty when you enable WEP ensure that you check that each key on your wireless computer is exactly the same as each key on your Gateway In other words Key number 1 on the Wireless computer must have t
22. 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 INSTALLING 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 i
23. should be provided to you by your ISP If the information is already entered your ISP has pre configured your Gateway and you should go to step 7 Enter your subnet mask in the Subnet Mask text box Enter your ISP Gateway address in the SP Gateway Address text box Enter your primary DNS address in the Primary DNS Address text box Enter your secondary DNS address in the Secondary DNS Address text box This step is optional Not all ISPs require a secondary DNS address Check all of your settings and then click Apply 60 CHAPTER 5 GATEWAY CONFIGURATION Dynamic IP Address Figure 42 Connection Parameters Screen Dynamic IP Welcome Connection Parameters LAN Settings IP Allocation Mode Dynamic IP address automatically allocated Wireless Settings Primary DNS Address Pooo optional Internet Settings Secondary DNS Address 000 optionan Firewall Host Name optional System Tools Clone MAC Address Some ISPs require you to register your MAC address with them If you have done Status and Logs this the MAC address of the Gateway must be changed to the MAC address that ou supplied to your ISP Support Feedback m idi is Use the Gateway s original MAC address 01 23 45 67 89 AB Loc our Use this PCs MAC address 01 23 45 67 89 0A C Enter a new MAC address manually O Status Ready ET Done FUIT E My Computer If this mode is selected your IP Address Subnet Mask and
24. step through a basic setup procedure Figure 12 Welcome Screen l JTriceConnec 3com Welcome Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Status and Logs Support Feedback 111 The Firewall is Switched off 1 Wireless Networking is Switched off 1 Wireless Encryption is Switched off Status Ready Figure 13 Wizard Screen This Wizard will help you quickly configure your Gateway to access the Internet Once completed you can use the left hand menu to access more configuration options Please see the User Guide for further details To complete the Wizard you will need to know the information provided by your ISP eg IP addresses Usernames etc If you are missing any information please contact your ISP 32 CHAPTER 4 RUNNING THE SETUP WIZARD Password Time Zone Figure 14 Change Administration Password Screen Change Administration Password To ensure the security of your Gateway it is recommended that you choose a new password this should be a mix of letters and numbers and not easily guessed by others To leave the password unchanged leave the fields blank and press Next Old Password New Password Confirm Password Note Password is case sensitive ES F5 When the Change Administration Password screen Figure 14 appears type the Old Password then a new password in both the New Password and Confirm Password boxes 3
25. 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 84 CHAPTER 6 TROUBLESHOOTING Connections tab and click on the LAN Settings button at the bottom Make sure that the Proxy Server option is unchecked If you cannot browse to the Gateway use the winiocfg utility in Windows 95 98 ME to verify that your computer has received the correct address information from the Gateway 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 Gateway is 192 168 1 1 the address of the Gateway If these are not correct use the Release and Renew functions to obtain a new IP address from the Gateway Under Windows 2000 use the ipconfig command line utility to perform the same functions If you still cannot browse to the Gateway then use the Discovery program on the accompanying CD ROM as described in Appendix A Connecting to the Internet If you can browse to the Gateway configuration screens but cannot access sites on the Internet check the following Confirm that the physical connection between the Gateway and the cable DSL modem is OK and that the link status LEDs on both Gateway and modem are illuminated Confirm that the con
26. the Gateway CD ROM in the CD ROM drive on your computer A menu will appear select Gateway Discovery Discovery will find the Gateway even if it is unconfigured or misconfigured Figure 66 Discovery Welcome Screen 3Com OfficeConnect Discovery 5 0 x Welcome This application will help you to find and configure your OfficeConnect product Please select the network interface that your product is dto connecter 3Com EtherLink PCI IP address of adapter 161 71 121 154 lt Back Cancel 2 When the Welcome screen is displayed click on Next and wait until the application discovers the Gateways connected to your LAN 94 APPENDIX A USING DISCOVERY Figure 67 Discovered Gateway Screen 3Com OfficeConnect Discovery V5 0 px 3 Figure 68 shows an example Discovered Devices screen Highlight the Wireless Cable DSL Gateway by clicking on it and press Next Figure 68 Discovery Finish Screen 3Com OfficeConnect Discovery 5 0 E Completing the OfficeConnect Discovery Application Communication with your OfficeConnect Device has been successful You are now ready to configure the Device using its set up Wizard If you lose contact with the Device you should re launch the Discovery application To exit the application and launch the set up Wizard for your Device click Finish Cancel 4 Click on Finish to launch a web browser and display the login page for the Gateway IP AD
27. the unit No configuration information will be lost but the log files will be erased This function may be of use if you are experiencing problems and you wish to re establish your Internet connection Any network users who are currently accessing the Internet will have their access interrupted whilst the restart takes place and they may need to reboot their computers when the restart has completed and the Gateway is operational again 76 CHAPTER 5 GATEWAY CONFIGURATION Time Zone Figure 58 Time Zone Screen 3com System Tools Welcome LAN Settings Time Zone Wireless Settings _ GMT 00 00 London Edinburgh Internet Settings Firewall I Enable Day Light savings System Tools Status and Logs Support Feedback Status Ready a FUIT T5 My Computer Choose the time zone that is closest to your actual location The time zone setting is used by the system clock when displaying the correct time in the log files If you use Daylight saving tick the Enable Daylight savings box and then click Apply Figure 58 The Gateway reads the correct time from NTP servers on the Internet and sets its system clock accordingly The Daylight Savings option merely advances the system clock by one hour It does not cause the system clock to be updated for daylight savings time automatically Configuration ss 11g Cable DSL Gatew System Tools 77 Figure 59 Configuration Screen Microsoft Internet Explorer
28. 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 Gateway from moving around on your desk or when stacking with other flat top OfficeConnect units Only stick the feet to the marked areas at each corner of the underside of your Gateway Wall Mounting gt PY There are two slots on the underside of the Gateway that can be used for wall mounting When wall mounting the unit ensure that it is within reach of the power outlet You will need two suitable screws to wall mount the unit To do this Ensure that the wall you use is smooth flat dry and sturdy and make two screw holes which are 150 mm 5 9 in apart Fix the screws into the wall leaving their heads 3 mm 0 12 in clear of the wall surface Remove any connections to the unit and locate it over the screw heads When in line gently push the unit on to the wall and move it downwards to secure When making connections be careful not to push the unit up and off the wall CAUTION Only wall mount single units do not wall mount stacked units Before you Install your Gateway 21 Before you Install your Gateway Before you install and configure your Gateway you need the following additional information If you do not have this information contact your Internet Service Provider ISP Space is provided below for you to record this infor
29. will need to reconfigure this computer with the following static IP address information a IP address 192 168 1 2 m Subnet mask 255 255 255 0 a Default Gateway address 192 168 1 1 Restart the computer and re apply power to the Gateway 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 Microcode Recovery utility in the Gateway Follow the on screen instructions Enter the path and filename of the software image file When the upload has completed the Gateway will restart run the self test and if successful resume normal operation The Alert LED will go out Refer to the Installation Guide to reconnect your Gateway to the Cable DSL modem and the computers in your network Do not forget to reconfigure the computer you used for the software upload If the Gateway does not resume normal operation following the upload it may be faulty Contact your supplier for advice 90 CHAPTER 6 TROUBLESHOOTING Frequently Asked Questions How do I reset the Gateway to Factory Defaults See Forgotten Password and Reset to Factory Defaults on page 85 How many computers on the LAN does the Gateway support A maximum of 253 computers on the LAN are supported How many wireless clients does the Wireless Cable DSL Gateway support A maximum of 128 wireless clients are supported There are only 4 LAN ports on the Gateway How are add
30. 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 component 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 Originally a 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 is a system which allows compatible applications to read some of their settings from the Gateway This allows them to automatically configure some or all of their settings and need less user configuration A URL Filter is a feature of a firewall that allows it to stop its clients form browsing inappropriate Web sites WAN WECA WEP Wi Fi Wireless Client Wireless LAN
31. you must type and type something and then press Return or Enter Do not press Return or Enter 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 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 this Your suggestions are very important to us They will help make our 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 a Document title m Document part number on the title page a Page number if appropriate gt Related Documentation Product Registration Conventions 9 Example a OfficeConnect Wireless 11g Cable DSL Gateway User Guide a Part Number DUAO055 4AAA01 a Page 24 Do not use this e mail address for technical support questions For information about contacting Technical Support please refer to the Support and Safety Information sheet In addition to this guide each Gateway document set includes one Installation Guide This guide contains the instructions you need to install and configure your Gateway
32. 0 2 DNS Address 2 10 0 0 3 Hostname MAC Address for Internet Connection Not cloned Timezone GMT 00 00 London Edinburgh Note that no settings are saved until you press Finish to go back and make any changes press Back To exit without saving the changes press Cancel check finish canct When you complete the Setup Wizard a configuration summary will display Verify the configuration information of the Gateway and then click Finish to save your settings 3Com recommends that you print this page for your records If you have made changes to the LAN Settings or wireless configuration options you may need to reconfigure the computer you are using in order to make contact with the Gateway again Your Gateway is now configured and ready for use For information on improving your Wireless network security see Wireless Settings on page 47 See Chapter 5 for a detailed description of the Gateway configuration screens GATEWAY CONFIGURATION Navigating Through the Gateway Configuration Pages Main Menu This chapter describes all the screens available through the Gateway configuration pages and is provided as a reference To get to the configuration pages browse to the Gateway 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 Gateway LAN IP address during initial configuration use the new IP address instead
33. 2 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 Gateway the better the speed If you are not achieving the speed you had anticipated then try moving the antenna on the Gateway or moving the Wireless computer closer to the Gateway In an ideal network the Gateway 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 Consult your Computer Card documentation and vendor for more details Power LED or Power Adapter OK LED Not Lit Replacement Power Adapters m Check that your Gateway is receiving power by looking at the status of the Power LED on the front panel and the Power Adapter OK LED on the rear panel a f both LEDs are lit green then the unit is receiving power a f both LEDs are unlit then no power is being supplied to the unit Check that the power adapter is plugged into a working mains outlet and that the mains outlet is supplying power If the mains socket is supplying power then the power adapter or power adapter connection may be faulty See Replacement Power Adapters below a f the Power Adapter OK LED is lit but the Power LED is unlit then there may be a fault with your unit Contact 3Com Technical Support m Check th
34. 3 Automatic Addressing 97 C Cable Specifications 101 Channels 121 Clone MAC address 60 Configuration backup 77 restore 77 Conventions notice icons About This Guide 8 text About This Guide 8 Country Selection 30 Internet addresses 95 Internet Addressing Mode 33 Internet Settings 57 dynamic IP address 57 PPPoE 57 PPTP 57 static IP address 57 IP Address 21 36 38 45 95 IP Allocation 58 ISP Connection 58 ISP Gateway Address 36 L LAN 38 44 LED 14 Login 94 Logs 80 D DHCP 35 38 45 97 DHCP Server 27 Discovery Application 93 DMZ 63 DNS 26 36 37 60 61 63 primary 36 37 59 secondary 36 37 59 Dynamic 57 Dynamic IP Address 35 57 63 M MAC Address 35 46 deleting 54 modifying 54 F Firewall 63 Forgotten Password 85 N Network addresses 95 Networking wireless 85 NIC wireless 14 G Gateway 13 P Password 29 43 PC Privileges 67 PING 73 PPPOE 21 28 34 57 61 PPTP 21 57 62 Profile 55 120 INDEX R Remote Administration 74 Reset to Factory Defaults 77 85 Restart 75 5 Safety Information 19 Security 73 Setup Wizard 29 44 Special Applications 65 Specifications technical 99 Static Addressing 97 Static IP Address 57 59 Status 79 Subnet Mask 36 38 95 Summary 40 Support Information 80 Support Links 81 T TCP IP 25 27 38 95 Technical specifications 99 standards 99 Time Zone 32 76 U Unit Configurati
35. 3Com products is 3Com Up to 32 case sensitive characters can be entered for the Service Area Name 3Com strongly recommends that you change the SSID to something other than the default If you are configuring the Gateway from a wireless computer any changes you make to the wireless configuration will result in communication between the Gateway and your computer being lost This is why 3Com strongly recommends that you configure the Gateway from a wired computer It is very important that you set up your wireless clients to use the same Service Area Name or SSID as the one you use on this screen If your clients use a different Service Area Name then they will not be able to communicate with the Gateway The choice of channel is less important as Clients will generally search all of the available channels You should however make a note of the 40 CHAPTER 4 RUNNING THE SETUP WIZARD channel you select as this may be useful if you experience problems with your clients Summary Figure 26 Configuration Summary Screen Configuration Summary You have now completed the Gateway Configuration Wizard and a summary of your chosen configuration is shown below Wireless Channel 6 Service Area Name SSID 3Com LAN IP Address 192 168 1 1 LAN Subnet Mask 255 255 255 0 DHCP Server Disabled Internet Addressing Mode Static Internet IP Address 10 0 0 5 Internet Subnet Mask 255 255 255 0 ISP Gateway Address 10 0 0 1 DNS Address 1 10 0
36. 4 Unit Configuration 44 DHCP Clients List 45 Wireless Settings 47 Configuration 47 Encryption 49 Configuring WPA Encryption 49 Configuring WEP Encryption 50 Connection Control 53 Client List 55 Profile 55 Internet Settings 57 Connection to ISP 58 Firewall 63 Virtual Servers 63 Special Applications 65 PC Privileges 67 URL Filter 69 Security 73 System Tools 75 Restart 75 Time Zone 76 Configuration 77 Upgrade 78 Status and Logs 78 Status 79 Usage 79 Logs 80 Support Feedback 80 Support 81 Feedback 81 TROUBLESHOOTING Basic Connection Checks 83 Browsing to the Gateway Configuration Screens 83 Connecting to the Internet 84 Forgotten Password and Reset to Factory Defaults 85 Wireless Networking 85 Replacement Power Adapters 87 Alert LED 88 Recovering from Corrupted Software 89 Frequently Asked Questions 90 UsING DISCOVERY Running the Discovery Application 93 Windows Installation 95 98 2000 Me NT 93 IP ADDRESSING The Internet Protocol Suite 95 Managing the Gateway over the Network 95 IP Addresses and Subnet Masks 95 How does a Device Obtain an IP Address and Subnet Mask 97 DHCP Addressing 97 Static Addressing 97 Auto IP Addressing 97 TECHNICAL SPECIFICATIONS Standards 100 SAFETY INFORMATION END USER SOFTWARE LICENSE AGREEMENT ISP INFORMATION GLOSSARY INDEX REGULATORY NOTICES FOR THE WIRELESS 11G CABLE DSL GATEWAY ABOUT THIS GUIDE This guide describes how to in
37. 55 255 0 0 See Table 5 for an example about how a network only four computers represented and a Gateway might be configured Table 5 IP Addressing and Subnet Masking Device IP Address Subnet Mask PC 1 192 168 100 8 255 255 0 0 PC 2 192 168 201 30 255 255 0 0 PC 3 192 168 113 155 255 255 0 0 PC 4 192 168 002 230 255 255 0 0 Gateway 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 Gateway 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 automatic IP addressing if they are configured to
38. AC address 5 Check all settings and click Apply PPP over Ethernet Figure 43 PPPoE Setup Screen Ble Edt vew Favorites Tools Help Osk O 1 Pseach r ravortes Meda O Or nr Address ttp 192 168 1 1 H OfficeConnect Wireless 11g Cable DSL Gateway Internet Settings Connection Parameters IP Allocation Mode PPPoE used by DSL providers only Primary DNS Address 0 0 0 0 optional Secondary DNS Address 0 0 0 0 optional Host Name optional PPPoE User Name Se a PPPoE Password Support Feedback PPPoE Service Name Maximum Idle Time Status Ready FT TT My Computer 2 To setup the Gateway for use with a PPP over Ethernet connection use the following procedure 1 Select PPP over Ethernet in the P Allocation Mode field Figure 43 2 Enter your Primary DNS Address and Secondary DNS address Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes 3 Enter the Host Name optional Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name text box 4 Enter your PPP over Ethernet user name in the PPPoE User Name text box 5 Enter a password in the PPPoE Password text box 62 CHAPTER 5 GATEWAY CONFIGURATION 6 Enter your PPP over Ethernet service name in the PPPoE Service Name text box Not all ISPs re
39. Adress http 192 168 1 1 fficeConnect Wireless 11g Cable DSL Gateway 3com Firewall Welcome URL Filter Options URL Filter Type Deny List Filtered URLs Keywords htip Awww badsite com badword Status and Logs Support Feedback Status Ready To filter a specific site enter the URL for that site For example to stop your users from browsing a site called www badsite com enter www badsite com or badsite com in one of the fields If badsite com has multiple sub domains such as this badsite com and that badsite com then you can either m Block them individually by entering this badsite com in one field and that badsite com in another or m Block them by entering the keyword badsite com into one of the fields This will block all URLs containing the string badsite com As well as blocking this badsite com and that badsite com the keyword badsite com would block searches that mentioned badsite com in their domain name for example www notabadsite com To filter a generic keyword enter it into one of the fields You should exercise caution when choosing a keyword as many keywords are Firewall 71 contained within other words For example filtering the word sex would filter the following example URLs mg www sussex com m www thisexample com You can filter up to 30 keywords and URLs Computers that should not be subject to URL filtering can be excluded by ticking t
40. CANI 3com OfficeConnect Wireless 11g Cable DSL Gateway User Guide 3CRWE554G72 wi D The Standard for Wireless Fidelity http www 3com com Part No DUA0055 4AAA01 Rev 01 Published July 2003 3Com Corporation 5500 Bayfront Plaza Santa Clara California 95052 8145 Copyright 2003 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 LICENSE TXT If you
41. Com recommends entering a new password when setting up the Gateway for the first time The Gateway is shipped from the factory with a default password admin 1 Password is case sensitive 2 Write the new password down and keep it in a safe place so that you can change your settings in the future Click Next to display the Time Zone setup screen Figure 15 Figure 15 Time Zone Screen Time Zone Please select your time zone from the list below and whether your location uses daylight savings time GMT 00 00 London Edinburgh x I Enable Daylight savings _ lt lt back next gt gt _cancel Select your time zone from the pull down menu check the daylight savings option if required and then click Next gt WAN Settings gt Accessing the Wizard 33 The Daylight Savings option advances the system clock by one hour It does not cause the system clock to be updated for daylight savings time automatically Figure 16 Internet Settings Screen Internet Settings Internet Addressing Mode Some ISP s particularly those offering DSL require PPPoE or PPTP to allow you to connect to their network If the installation instructions that accompany your modem ask you to setup a dialup connection using a PPTP VPN tunnel then select the PPTP option If your ISP does not require PPPoE or PPTP they may supply your Internet Configuration dynamically or you may have to manually configure your Gateway with a static add
42. DRESSING 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 Gateway over the Network IP Addresses and Subnet Masks To manage a device over the network the Gateway 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 96 APPENDIX B IP ADDRESSING For your network to work correctly all devices on the net
43. ESHOOTING Basic Connection Checks Check that the Gateway is connected to your computers and to the cable DSL modem and that all the equipment is powered on Check that the LAN Status and Cable DSL Status LEDs on the Gateway are illuminated and that any corresponding LEDs on the cable DSL modem and 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 Gateway Configuration Screens If you have connected your Gateway and computers together but cannot browse to the Gateway configuration screens check the following Confirm that the physical connection between your computer and the Gateway is OK and that the LAN Status LEDs on the Gateway and NIC 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 Setting Up Your Computers Restart your computer while it is connected to the Gateway to ensure that your computer receives an IP address When entering the address of the Gateway into your web browser ensure
44. IP Address Automatically 27 From the Windows Start menu select Contro 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 Internet 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 Close the TCP IP dialog box and save your changes Restart your computer 28 CHAPTER 3 SETTING UP YOUR COMPUTERS Disabling PPPoE and PPTP Client Software If you have PPPoE or PPTP 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 2 Double click on Internet Options 3 Select th
45. LITY 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 be 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 5500 Great America Parkway P O Box 58145 Santa Clara CA 95052 8145 408 326 5000 F ISP INFORMATION Information Regarding Popular ISPs WAN Types Characteristics Popular ISPs Dynamic IP Cable modem ISP non hostname MediaOne RoadRunner Clone MAC based Need to clone the MAC Optimum Online Time Warner address in the Advanced tab of Charter Adelphia Metrocast the Internet Settings page Dynamic IP Cable ISP Requires Hostname to Home Network Cogoco Hostname authenticate ie cx213818 B ComCast Cox Excite Rogers Need to enter the hostname in the Shaw Insight Videotron Internet Settings page PPPoE Us
46. Service Area Wizard WLAN WPA GLOSSARY 117 Wide Area Network A network that connects computers located in geographically separate areas for example different buildings cities or countries The Internet is an example of a wide area network 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 802 116 WECA The term used to describe a desktop or mobile PC that is wirelessly 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 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 Wi Fi Protected Access A dynamically changing encryption mechanism for wireless networking Encryption strength is 256 bit 118 GLOSSARY INDEX A Access Rights 69 Addresses IP 95 Administration Password 32 4
47. When you have browsed to the Gateway log in using your system password default admin At the left side of all screens is a main menu as shown in Figure 27 on page 42 When you click on a topic from the main menu that page will appear in the main part of the screen a Welcome displays the firmware version of the Gateway allows you to change your password and launch the Wizard a LAN Settings allows you to configure IP address and subnet mask information set up DHCP server parameters and display the DHCP client list a Wireless Settings enables disables access from wireless computers and provides facilities for improving the security of the wireless network a Internet Settings sets up Internet addressing modes such as PPPoE and PPTP connections allows you to clone the Gateway s MAC address and set up dynamic IP address allocation and static IP address settings a Firewall allows configuration of the Gateway s firewall features Virtual Servers Special Applications PCs Privileges URL Filtering and Security options a System Tools allows the administrator to perform maintenance activities on the Gateway 42 CHAPTER 5 GATEWAY CONFIGURATION m Status and Logs displays the current status and activity logs of the Gateway Support Feedback contains a comprehensive online help system and allows you to provide 3Com with feedback on your Gateway Option Tabs Each corresponding menu page ma
48. a 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 Gateway If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide contact your supplier 104 APPENDIX D SAFETY INFORMATION gt gt WARNING Disconnect the power adapter before moving the unit 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 RE 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 Gateway 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 VORTSICHT Stapeln Sie das Ger ts nur mit anderen OfficeConnect Ger tes Zusam
49. acquire an address using DHCP but are unable to contact a DHCP server Automatic IP addressing is a scheme where devices allocate themselves 98 APPENDIX B 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 Wireless 11g Cable DSL Gateway Wireless 11g Cable DSL Gateway Interfaces Cable DSL modem connection 10Mbps 100Mbps dual speed Ethernet port 10BASE T 100BASE TX 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 fal
50. ains an Access Point that is designed to operate in Infrastructure mode Ad Hoc mode is not supported by the Gateway 86 CHAPTER 6 TROUBLESHOOTING If you have a wired and a wireless NIC in the same computer ensure that the wired NIC is disabled Check the status of the Gateway Wireless 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 47 and enable wireless networking Ensure that the TCP IP settings for all devices are correct Ensure that the Wireless Clients are using the same SSID or Service Area Name as the Gateway The SSID is case sensitive Ensure that the encryption method and level that you use on your clients are the same as those configured on the Gateway The Gateway can simultaneously support WPA and WEP encryption but can only support one configuration of each Ensure that you have the Wireless computer enabled in the list of allowed MAC addresses if you are using Wireless Connection control on the Gateway If you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Gateway For more effective coverage you can try reorientating your antennae Place one antenna vertically and one horizontally to improve coverage Additionally consider moving the wireless computer closer to the Gateway to confirm that the building structure or fittings are not adversely affec
51. ame text box 2 Enter your PPP over Ethernet password in the PPPoE Password text box 3 Enter your PPP over Ethernet service name in the PPPoE Service Name text box This is optional Not all ISPs require a PPPoE service name Do not enter anything in this box if your ISP does not require a service name 1 Check all of your settings and then click Next Refer to LAN Settings on page 38 for more information Accessing the Wizard 35 Dynamic IP Address Mode To setup the Gateway for use with a dynamic IP address connection 1 Select the SP provides configuration dynamically via DHCP and then click Next See Figure 16 Figure 18 Hostname Screen Internet Settings Hostname Some ISP s particularly those offering Cable use the Hostname of the device connected to their service to identify them If you do not have a hostname leave this field blank Host Name optional neck estes Ml conc 2 Some ISPs require a host name If your ISP has this requirement enter the host name in the Host Name text box Figure 18 and click Next The Clone MAC Address screen displays Figure 19 Clone MAC Address Screen Clone MAC Address Some ISP s particularly those offering Cable require you to register your MAC address with them If you have done this the MAC address of the OfficeConnect Wireless Cable DSL Gateway must be changed to the MAC address that you supplied to your ISP Does your ISP require this No
52. and upload it to the Gateway to see if this clears the fault refer to Recovering from Corrupted Software below If this does not fix the problem contact your supplier for further advice a During normal operation you may notice the Alert LED lighting briefly from time to time This indicates that the Gateway has detected a hacker attack from the Internet and has prevented it from harming your network You need take no specific action on this unless you decide that these attacks are happening frequently in which case you may wish to discuss this with your ISP The Gateway logs such attacks and this information is available through the Status and Logs screens Recovering from Corrupted Software 89 Recovering from Corrupted Software If the Alert LED remains permanently on following power up it is possible that the system software has become corrupted In this condition the Gateway will enter a recovery state DHCP is disabled 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 Gateway 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 Gateway and disconnect the Cable DSL modem and all your computers except for the one computer with the software image You
53. ansfer 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 Modification 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 fore
54. ard web_htmi site_test htm Welcome Welcome Change Administration Password LAN Settings Old Password Wireless Settings New Password i Internet Settings Confirm Password appty Firewall System Tools Note Password is case sensitive Status and Logs Support Feedback Status Ready Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System To do this Enter the current password in the Old Password field Enter the new password in the New Password field Enter the new password again in the Confirm Password field Click Apply to save the new password The password is case sensitive If you have forgotten your password you need to reset the Gateway See Forgotten Password and Reset to Factory Defaults on page 85 44 CHAPTER 5 GATEWAY CONFIGURATION Wizard Figure 29 Wizard Screen Cable DSL Gateway Microsoft Internet Explorer Welcome Welcome Wizard LAN Settings The wizard is a set of screens that help you configure the Gateway for the first time Wireless Settings Internet Settings Please click on the wizard button to launch the wizard Firewall a System Tools Status and Logs Support Feedback Status Ready Click WIZARD to launch the configuration wizard Refer to Chapter 4 for information on how to run the wizard LAN Settings The LAN Settings menu provides the following
55. are unable 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 OfficeConnect 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 i
56. at you are using the correct power adapter for your Gateway You should only use the power adapter supplied with your Gateway If both the Power Adapter OK LED and Power LED are off check your power adapter connection If the mains outlet is working and is capable of supplying power to other devices contact 3Com Technical Support and ask for a replacement power adapter Please quote the power 88 CHAPTER 6 TROUBLESHOOTING adapter part number shown on the OfficeConnect power adapter you are using Alternatively quote the part number for your region Table 3 Power Adapter Part Numbers Part Number Region 3C16740A US and Canada 3C16741A UK 3C16742A Europe and Middle East 3C16743A Japan 3C16744A Australasia except Japan and Korea 3C16745A South Africa 3C16747A Korea 3C16748A Argentina Alert LED The Alert LED will flash when the Gateway unit is first powered up while the system software checks the hardware for proper operation Once the Gateway has started normal operation the Alert LED will go out a If the Alert LED does not go out following start up but illuminates continuously this indicates that the software has detected a possible fault with the hardware Remove power from the Gateway wait 10 seconds and then re apply power If the Alert LED comes on continuously again then a fault has been detected Locate the copy of the Gateway software on the accompanying CD ROM or 3Com web site http www 3com com
57. bled anyone with a Wireless PC can eavesdrop on your network 3Com recommends that you get the network working with encryption disabled first and then enable it as the last step This will simplify setting up your network The Gateway supports two types of encryption a WPA Wi Fi Protected Access WPA is a 256 bit encryption method with keys that change over time a WEP Wireless Equivalent Privacy WEP is a 64 bit or 128 bit encryption method with user configurable fixed keys WPA provides a higher level of security provided by its longer key and dynamic changes made to the key over time 3Com recommends that you use WPA with any clients which support it If you enable encryption on the Gateway you must reconfigure your wireless PCs to use exactly the same Encryption Type and Keys otherwise the devices will not understand each other The encryption methods used by the Gateway secure data transmitted through wireless communications between the Gateway and its wireless clients Enabling encryption has no security effect on data transmitted through wired Ethernet connections or through your connections to the Internet The only configuration that is needed for WPA is to enter the pre shared key This key is used to start the dialog between the Gateway and the client During this dialog a new key is agreed making it more difficult to eavesdrop on wireless networks encrypted using WPA than those encrypted using WEP The pre s
58. ccess authorized services only 2 Click New to display the PC Privileges setting screen 3 Enter the last digit s of the IP address of the computer in the PC s IP Address text box 4 Select authorized services by clicking in the appropriate check box es In addition to the four authorized services listed you can choose to allow or block access to other services You can either a Allow all other services with exceptions or Block all other services with exceptions See step 4 of the previous section for more details 5 Click Add to save the settings Select URL Filter to control your clients access to Web sites The Gateway s URL Filter has three settings m Disabled Users can browse all Web sites None will be filtered m Deny List Users can browse all Web sites apart from those sites listed in the deny list and those whose URLs contain keywords listed in the deny list See Deny List on page 70 a Allow List Users are unable to browse any Web sites except of those listed in the allow list and those whose URLs contain keywords listed in the allow list See Allow List on page 71 70 CHAPTER 5 GATEWAY CONFIGURATION Deny List To allow users access to all Web sites except for those you choose to block choose Deny List in the URL Filter Type drop down box Figure 54 Figure 54 URL Filter Screen showing Deny List PES J Oak d 2 search se Favorites Meda Or GB
59. ck Device Name Device Name Optional LOG OUT Status Ready Enable Wireless Networking Allows you to enable 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 Gateway Channel Selection The Channel Selector allows you to specify which Channel the Gateway will transmit and receive on If another access point or gateway nearby is using the same Channel as you there will be a reduction in the performance of your network If this seems to be the case you should select a different channel number Usually the Wireless computers will scan to find the correct channel but if they don t you must configure them to use the same Channel number as the Gateway 48 CHAPTER 5 GATEWAY CONFIGURATION Choose the Clear Channel Select option to automatically choose the clearest channel The Gateway will check for the clearest channel whenever it is rebooted powered up and when the Clear Channel Select option is first applied Valid channels are country dependent See Channels on page 121 for a list of channels approved by each country Service Area Name SSID This allows you to name your Wireless network The field will accept any alphanumeric string and has a maximum length of 32 characters Your Wireless computers must be configured with exactly the same name or you will not establish a connection The
60. ck No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 FCC Declaration of Conformity We declare under our sole responsibility that the Model Description 3CRWE554G72 Wireless 11g Cable DSL Gateway to which this declaration relates is in conformity with the following standards or other normative documents a ANSI C63 4 1992 Methods of Measurement 123 a Federal Communications Commission 47 CFR Part 15 subpart B 15 107 a Class B Conducted Limits 15 109 a Class B Radiated Emissions Limits a a 15 107 e Class B Conducted Limits 15 109 g Class B Radiated Emissions Limits Exposure to Radio Frequency Radiation The radiated output power of the 3Com OfficeConnect Wireless Cable DSL Gateway is far below the FCC radio frequency exposure limits Nevertheless the 3Com OfficeConnect Wireless Cable DSL Gateway shall be used in such manner that the potential for human contact during normal operation is minimized The distance between the antennas and the user should not be less than 20 cm CE Statement Europe This product complies with the European Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC and the Radio and Telecommunications Terminal Equipment Directive 99 5 EC CSA Statement This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipme
61. consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Gateway 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 AVERTISSEMENT Seulement entasser le moyer avec les autres moyeux OfficeConnects AVERTISSEMENT 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 106 APPENDIX D SAFETY INFORMATION re fF p AVERTISSEMENT l appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme CEI 60950 Ces 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
62. e Connections Tab A screen similar to Figure 8 should be gt displayed Select the Never Dial a Connection option Figure 8 Internet Properties Screen Internet Properties 2 x General Security Content Connections Programs Advanced 5 Use the Internet Connection Wizard to connect your computer to the Internet r Dial up settings Never dial a connection C Dial whenever a network connection is not present Always dial my default connection Current Dial up Connection r Local Area Network LAN settings LAN Settings OK Cancel Apply You may wish to remove the PPPoE client software from your computer to free resources as it is not required for use with the Gateway 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 RUNNING THE SETUP WIZARD Accessing the Wizard The Gateway setup program is Web based which means that it is accessed 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 Ensure that you have at least one computer connected to the Gateway Refer to Chapter 2 for details on how to do this 2 Launch your Web browser on the computer
63. e Internet connects millions of computer users throughout the world The vast majority of the computer users on the Internet are friendly and have no intention of breaking into stealing from or damaging your network However there are hackers who may try to break into your network Enable universal plug and play Universal plug and play allows compatible software to read and change some the Gateway s firewall settings This reduces the configuration required but lessens your control of the Gateway s firewall 3Com recommends that you leave this feature disabled for maximum security Allow PING from the Internet PING is a utility which is used to determine whether a device is active at the specified IP address PING is normally used to test the physical connection between two devices to ensure that everything is working correctly By default the Gateway has PING disabled in order to make the device more difficult to find on the Internet and less prone to attack 74 CHAPTER 5 GATEWAY CONFIGURATION gt This feature is enabled by clicking on the check box so that a tick can be seen and then select Apply 3Com recommends that you leave this disabled Enabling Remote Administration It is possible to administer the Gateway remotely This can be set to one of four different levels using the following options Disable Remote Administration This option is set as default Enable administration from a single Internet Host O
64. ead the Safety Information section in Appendix D 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 Gateway You should place the Gateway in a location that m is conveniently located for connection to the cable or DSL modem that will be used to connect to the Internet a is centrally located to the wireless computers that will connect to the Gateway 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 connection 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 20 CHAPTER 2 HARDWARE INSTALLATION Using the Rubber Feet When positioning your Gateway ensure a Itis out of direct sunlight and away from sources of heat a 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
65. es that do not need a specific IP address the Gateway will automatically allocate addresses To add a Fixed Mapping Click New The DHCP Fixed Mapping Setup screen will be displayed Enter the MAC Address for which you want to create a Fixed Mapping in the MAC Address of Client box The MAC Address must be entered as 6 hexadecimal pairs e g 12 34 56 78 90 ab Enter the IP Address that you want to reserve in the IP Address for client box Click Add to add the Fixed Mapping or Close to close the window without adding the Fixed Mapping The Fixed DHCP Mapping will be displayed in the DHCP Clients list as a Fixed Association Wireless Settings 47 Wireless Settings gt Configuration To improve the security of your wireless network 3Com recommends that you 1 Change the SSID from its default value see page 48 2 Enable Encryption see page 49 3 Enable Connection Control see page 53 Figure 32 Configuration Screen ss 119 Cable DSL Gateway Microsoft Internet Explorer 2 19 Al P search r Favores Meda O O7 nr Address c data work 3Com Wizard web_htmi site_test htm Wireless 11g Cab Wireless Settings Welcome Enable Wireless Networking LAN Settings Enable Wireless Networking F Wireless Settings internet Settings Channel Selection Firewall Caen m System Tools Service Area Name SSID Service Area Name SSID 3Com F Enable Broadcast SSID Status and Logs Support Feedba
66. existing phone lines to send and receive data at high speeds A method for providing a level of security to wireless data transmissions The OfficeConnect Cable DSL Gateway and Wireless Cable DSL Gateway uses two levels of encryption 40 64 bit and 128 bit 128 bit is amore powerful level of encryption than 40 64 bit Extended Service Set Identifier The ESSID is a unique identifier for your wireless network You must have the same ESSID entered into the gateway 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 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 system that allows packets to transmitted and received but not at the same time Contrast with full duplex 114 GLOSSARY Hub IEEE IETF Infrastructure mode IP Address ISP LAN A device that regenerates LAN traffic so that the transmission distance
67. fications The Gateway has been designed to conform to the Wi Fi interoperability test standard ri The Standard for Wireless Fidelity The Gateway supports the following cable types and maximum lengths a Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types a Maximum cable length of 100m 327 86 ft 102 APPENDIX C TECHNICAL SPECIFICATIONS D SAFETY INFORMATION Important Safety Information gt Pb PEPE p 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 Gateway 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 Only stack the Gateway with other OfficeConnect units 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 Extr
68. firewall to open the incoming ports Each defined Special Application only supports a single computer user and up to 10 Special Applications can be defined Any incoming ports opened by a Special Application trigger will be closed after five minutes of inactivity To configure special applications Click New Select the applications from the pull down list Figure 49 Figure 49 Special Application Settings Screen Choose Application Trigger Port 6970 7000 i 6970 7170 Support Feedback Status Ready a TT E My Computer Z Or select Other to specify a suitable name for the special application and then enter a value in the Trigger Port and Incoming Ports text boxes Figure 49 These values correspond to the outbound port numbers issued by the application The port numbers are specified using a comma separated list with hyphens to denote port number ranges So for example entering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated The Gateway will automatically allow FTP and NetMeeting sessions You do not need to configure these as Special Applications Firewall 67 Figure 50 Other Applications Setup Screen 3 Firewall popup Special Applications Microsoft Internet Explorer Special Application Settings Choose Application Other Application Name 3 Click Add to save your settings Only one computer on your network can use the special ap
69. g in the appropriate check box es Figure 52 Figure 52 All PCs Setup Screen Firewall popup PCs Privileges Microsoft Internet Explorer ioj xi PCs Privileges I Bypass URL Filter Select authorized services M email 110 25 M web so F FIP 21 F News 119 Block or Allow other services Block X All other services except specify ports In addition to the four authorized services listed you can choose to allow or block access to other services You can either a Allow all other services with exceptions or a Block all other services with exceptions To do this select Allow or Block from the drop down menu and enter the exceptions into the text box The port numbers are specified using a comma separated list with hyphens to denote port number ranges So for example entering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated For example to block access to all services except Web 80 and a service that uses ports 2 3 5 6 and 7 1 Tick the Web 80 check box 2 Select Block all other services 3 Enter 2 3 5 7 in the except specify ports box See Figure 53 URL Filter Firewall 69 Figure 53 PC Privileges Setup Screen Example M eMail 110 25 M Web 80 F FTP 21 F News 119 s except specify ports 5 Click Modify to save the settings or Close to discard them To assign different access rights for different computers 1 If not already selected click PCs a
70. gateway 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 Gateway 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 on 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 DSL modem Encryption ESSID Ethernet Ethernet Address Fast Ethernet Firewall Full Duplex Gateway Half Duplex GLOSSARY 113 IP addresses such as 192 34 45 8 A DNS server keeps a database of 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
71. hared key can be entered as a 256 bit series of hexadecimal digits or as a pass phrase 50 CHAPTER 5 GATEWAY CONFIGURATION Configuring WEP Encryption Figure 33 Encryption Keys Screen showing WPA configuration A search se Favorites Meda Or 4 Br JE c viatawork 3com Wizard web_himisite_test htm wh NEE Enabled Pre Shared Passphrase 7 hello_world WPA Encryption Type Passphrase 8 to 63 characters Key 1A 1B 1C 1D 1E 1F 2A System Tools EF 1F DA 01 9F 1169 Status and Logs Support Feedback WEP Wired Equivalent Privacy Disabled E WEP Encryption Type Status Ready To enter the pre shared key as hexadecimal digits Select Enabled Manual Pre shared Key from the WPA Encryption Type drop down box Enter a pair of hexadecimal digits in each of the 32 Key fields Each field can contain a hexadecimal number from 00 to ff for example 1a Click Apply to generate the key To enter the pre shared key as a pass phrase Select Enabled Pre Shared Passphrase from the WPA Encryption Type drop down box Enter a phrase of between 8 and 63 characters in length in the Passphrase field This passphrase will be used to generate a 256 bit key Click Apply to generate the key There are two levels of WEP encryption available 64 bit sometimes referred to as 40 bit and 128 bit Use the WEP Encryption Type box to select the desired level Wireless Settings 51 Encryption Keys Figu
72. he Bypass URL Filter checkbox in the PC Privileges setup screen See PC Privileges on page 67 Allow List To stop users from accessing any Web sites that you have not specifically allowed choose Allow List in the URL Filter Type drop down box Figure 55 Figure 55 URL Filter Screen showing Allow List URL Filter Options URL Filter Type Allow List Filtered URLs Keywords http www goodsite com goodword Status and Logs Support Feedback Status Ready fai PTT E My Computer 2 To allow a specific site enter the URL for that site For example to let your users browse a site called www goodsite com enter www goodsite com Or goodsite com in one of the fields If goodsite com has multiple sub domains such as this goodsite com and that goodsite com then you can either 72 CHAPTER 5 GATEWAY CONFIGURATION a Allow them individually by entering this goodsite com in one field and that goodsite com in another or a Allow them by entering the keyword goodsite com into one of the fields This will allow all URLs containing the string goodsite com As well as allowing this goodsite com and that goodsite com the keyword goodsite com would allow sites that had the string goodsite com in their URL for example xxxgoodsite com To filter a generic keyword enter it into one of the fields You should exercise caution when choosing a keyword as sites that you may w
73. he same Hex number as Key number 1 on the Gateway Key 2 on the Wireless computer must match Key 2 on the Gateway and so on The Active Transmit Key selects which of the 4 Keys the Gateway uses when it transmits You can change the selected key periodically to increase the security of your network Some wireless adapters have only one key available on their WEP configuration page If this is the case ensure it is the same as Key 1 on the Gateway and that it is selected as the active transmit key Wireless Settings 53 Connection Control Figure 35 Connection Control Screen less 119 Cable DSL Gateway Microsoft Internet Explorer GQ Beck El search r Favortes Meda Or a Br Address c Wata work 3com wizard web Welcome Enable Connection Control LAN Settings amp All Wireless PCs can connect to the Access Point a Wireless Settings Only authorised Wireless PCs can connect to the Access Point Internet Settings Firewall System Tools Status and Logs Support Feedback Status Ready A higher level of security can be achieved for your wireless network if you use both encryption and you specify only certain wireless computers can connect to the Gateway By default any wireless computer that has the same Service Area Name SSID channel and encryption settings as the Gateway can connect to it Select Only Authorized Wireless PCs can connect to the Gateway to enable and configure this feature
74. hout a Gateway 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 12 CHAPTER 1 INTRODUCING THE GATEWAY Figure 1 Example Network Without a Gateway When you use the Gateway in your network Figure 2 it becomes your connection to the Internet Connections can be made directly to the Gateway or to an OfficeConnect Switch or Hub expanding the number of computers you can have in your network Figure 2 Example Network Using a Wireless Cable DSL Gateway Your exsiting Cable DSL Modem Cable DSL Gateway Gateway Advantages 13 Gateway The advantages of the Gateway include Advantages a Shared Internet connection for both wired and 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 a Filtered access of inappropriate Web sites using the built in URL filter Package Contents The Gateway k
75. ial Environmental Statement 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 7 Conventions 8 Feedback about this User Guide 8 Related Documentation 9 Product Registration 9 INTRODUCING THE GATEWAY OfficeConnect Wireless 11g Cable DSL Gateway 11 Gateway Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 16 HARDWARE INSTALLATION Introduction 19 Safety Information 19 Positioning the Gateway 19 Using the Rubber Feet 20 Wall Mounting 20 Before you Install your Gateway 21 Powering Up the Gateway 22 Connecting the Gateway 22 SETTING UP YOUR COMPUTERS Obtaining an IP Address Automatically 25 Windows 2000 25 WindowsXP 27 Windows 95 98 ME 27 Macintosh 27 Disabling PPPoE and PPTP Client Software 28 Disabling Web Proxy 28 RUNNING THE SETUP WIZARD Accessing the Wizard 29 Password 32 Time Zone 32 WAN Settings 33 LAN Settings 38 DHCP 38 Wireless Settings 39 Summary 40 GATEWAY CONFIGURATION Navigating Through the Gateway Configuration Pages 41 Main Menu 41 Option Tabs 42 Welcome Screen 42 Notice Board 42 Password 43 Wizard 44 LAN Settings 4
76. ich to save the profile Once the profile has been saved it can be copied on to another PC and imported into the 3Com Wireless Network Adapter For instructions on how to import a profile refer to the User Guide that accompanies your 3Com Wireless Network Adapter s If once the profile is imported the Wireless Network Adapter cannot connect to the Gateway check that a the adapter is within range of the Gateway if Connection Control has been enabled in the Gateway the MAC address of the Wireless Network Adapter must be included in the list of authorized Wireless PCs Internet Settings 57 Internet Settings Before you can configure the Gateway you need to know the IP information allocation method used by your ISP There are four different ways that ISPs can allocate IP information as described below Static IP Address DSL or Cable The ISP provides the IP addressing information for you to enter manually To configure the Gateway you will need to know the following a IP Address m Subnet Mask m ISP Gateway m DNS address es Dynamic IP Address DSL or Cable Dynamic IP addressing or DHCP automatically assigns the Gateway IP information This method is popular with Cable providers This method is also used if your modem has a built in DHCP server PPPoE DSL only If the installation instructions that accompany your modem ask you to install a PPPoE client on your PC then select this option To configure the
77. ign 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 embargoed 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 108 APPENDIX E 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 com
78. iguration beforehand in case the upgrade process fails for any reason for example the connection between the computer and the Gateway is lost while the new software is being copied to the Gateway The upgrade procedure can take up to two minutes and is complete when the Alert LED has stopped flashing and is permanently off Make sure that you do not interrupt power to the Gateway during the upgrade procedure if you do the software may be corrupted and the Gateway may not start up properly afterwards If the Alert LED comes on continuously after a failed upgrade refer to Chapter 6 Troubleshooting Status and Logs Selecting Status and Logs from the main menu displays the Status Usage and Logs screens in your Web browser window Status and Logs 79 Status The Status screen displays a tabular representation of your network and Internet connection Figure 61 Figure 61 Status Screen lt software version gt lt boot loader version gt lt PRISM 2 5 Firmware version gt lt hardware version gt System Tools Status and Logs Access From the Internet Support Feedback Discard PING from the internet side Firewall Switched On Internet Settings 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Usage Usage displays an approximate count of the traffic since the
79. ish to block may be allowed if you choose too general a keyword the URL filter If need to access an external mail server FTP server or other named device outside your network you must list it in one of the allow fields i gt The Gateway filters all traffic from domains that have been blocked using You can filter up to 30 keywords and URLs Computers that should not be subject to URL filtering can be excluded by ticking the Bypass URL Filter checkbox in the PC Privileges setup screen See PC Privileges on page 67 Security Firewall 73 Select Security to display the Security screen Figure 56 Figure 56 Security Screen Bie vw Tools Help sack O Psearch r Favorites Meda CO7 sr address http 132 168 2 17 Firewall Welcome Advanced Settings LAN Settings m Enable universal plug and play Wireless Settings o Allow PING from the Internet Internet Settiegs Note Ticking the checkboxes will reduce security Firewall System Tools Remote Administration a Disable Remote Administration Status and Logs Enable administration from a single Internet Host Support Feedback Host IP Address 9216821 Enable administration from a whole Subnet Host Network Address 192 168 2 1 Subnet Mask 255 255 255 0 Enable administration from any Internet Host To remotely manage this unit enter the following URL into your browser http 213 107 176 46 8000 Status Ready Th
80. it includes the following items a One OfficeConnect Wireless 11g Cable DSL Gateway a One power adapter for use with the Gateway Four rubber feet a One Ethernet cable a One CD ROM containing the Gateway Discovery program and 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 14 CHAPTER 1 INTRODUCING THE GATEWAY Minimum System and Component Requirements Your Gateway requires that the computer s and components in your network be configured with at least the following A computer with an operating system that supports TCP IP networking protocols for example Windows 95 98 NT Me 2000 XP Unix Mac OS 8 5 or higher An Ethernet 10Mbps or 10 100 Mbps NIC for each computer to be connected to the four port switch on your Gateway An 802 11b or 802 11g wireless NIC A cable modem or DSL modem with an Ethernet port RJ 45 connector An active Internet access account 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 Gateway contains a series of indicator lights LEDs that help describe the state of various networking and connection operations Figure 3 Gateway Front Panel ey Alert Power Enabled DST Green 100M Yellow 10M Flash Activity OfficeConnect
81. itional computers connected You can expand the number of connections available on your LAN by using hubs switches and wireless access points connected to the Gateway 3Com wireless access points and OfficeConnect 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 Gateway support virtual private networks VPNs The Gateway 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 Gateway Updates to the Gateway software are posted on the 3Com support web site accessible by visiting http www 3com com What other online resources are there The 3Com Knowledgebase at http knowledgebase 3com com Frequently Asked Questions 91 is a database of technical information covering all 3Com products It is updated daily with information from 3Com technical support services and it is available 24 hours a day 7 days a week 92 CHAPTER 6 TROUBLESHOOTING A USING DISCOVERY Running the Discovery Application Windows Installation 95 98 2000 Me NT 1 gt 3Com provides a user friendly Discovery application for detecting the Gateway on the network Insert
82. lback to 5 5 2 or 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 OFDM 100 APPENDIX C TECHNICAL SPECIFICATIONS Standards Encryption 40 64 bit WEP 128 bit WEP WPA Maximum clients 128 O P Power 18dBm Operating Temperature 0 C to 40 C 32 F to 105 F Power 7VA 23 9 BThU hr Humidity 0 to 90 non condensing humidity Dimensions a Width 220 mm 8 7 in a Depth 135 mm 5 3 in a Height 24 mm 1 in Weight Approximately 500 g 1 1 Ibs Functional ISO 8802 3 IEEE 802 3 IEEE 802 11b 802 119 Wi Fi Safety UL60950 CSA 22 2 60950 IEC 60950 EN 60950 EMC EN 55022 Class B EN 55024 CISPR 22 FCC Part 15 Class B ICES 003 Class B CNS 13438 Class A ETSI EN 301 489 17 Radio CFR 47 FCC Part 15 207 15 209 15 247 and 15 249 ETS 300 328 2 4 GHz ISM band wide band transmission System Requirements Ethernet Performance Wireless Performance Cable Specifications 101 systems RSS 210 Environmental EN 60068 IEC 68 See FCC Statement on page 121 for conditions of operation Operating Systems The Gateway will support the following Operating Systems a Windows 95 98 a Windows NT 4 0 a Windows ME a Windows 2000 a Windows XP a Mac OS 8 5 or higher m Unix The Gateway complies to the IEEE 802 3i u and x speci
83. lly installed CAUTION Do not force the antennae beyond their mechanical stops Rotating the antennae further may cause damage Power Adapter Socket Only use the power adapter supplied with this Gateway Do not use any other adapter Power Adapter OK LED Green Indicates that the power adapter is supplying power to the Gateway If the LED is off there may be a problem with the power adapter or adapter cable Ethernet Cable DSL port Use the supplied patch cable to connect the Gateway to the Ethernet port on your cable or DSL modem The port will automatically adjust to the correct speed and duplex and will set itself to MDI or MDIX 10 Rear Panel 17 depending on the device to which they are connected and the type of cable used Four 10 100 LAN ports Using suitable RJ 45 cable you can connect your Gateway to a computer or to any other piece of equipment that has an Ethernet connection for example a hub or a switch The LAN ports will automatically set themselves to MDI or MDIX depending on the device to which they are connected and the type of cable used 18 CHAPTER 1 INTRODUCING THE GATEWAY HARDWARE INSTALLATION Introduction Safety Information AN AN A This chapter will guide you through a basic installation of the Gateway including m Connecting the Gateway to the Internet m Connecting the Gateway to your network a Setting up your computers for networking with the Gateway WARNING Please r
84. mation If you have a DSL connection and your ISP allocates IP information dynamically over PPPoE you need a User Name and Password PPPoE User Name PPPoE Password PPPoE Service Name If you have a DSL connection and your ISP allocates IP information dynamically over PPTP you need a User Name Password and PPTP Server Address PPTP User Name PPTP Password PPTP Server Address You only need a PPPoE Service Name if your ISP requires one Do not enter anything if your ISP does not require this information If your ISP allocates fixed or static IP information you need the following information IP Address Subnet Mask Default Gateway address DNS address 22 CHAPTER 2 HARDWARE INSTALLATION gt If your ISP allocates IP information dynamically over a protocol other than PPPoE you do not need any further information This configuration is typical of cable connections Powering Up the Gateway To power up the Gateway Plug the power adapter into the power adapter socket located on the back panel of the Gateway Plug the power adapter into a standard electrical wall socket Connecting the Gateway The first step for installing your Gateway is to physically connect it to a cable or DSL modem and then connect it to a computer in order to be able to access the Internet See Figure 5 Figure 5 Connecting the Gateway Power Supply Unit Your existing Cable DSL Modem 3Com OfficeCo
85. men 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 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden gt amp 105 VORSICHT Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Ger t vorhanden Wenn Sie ein Problem mit dem Gateway 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 Pere ft p 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
86. mercial 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 together 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 SEVERABI
87. mputer users will lose their network connections whilst this process is taking place so choose a time when this would be convenient Remove power from the Gateway Disconnect all your computers and the cable DSL modem from the Gateway Using a straight through Ethernet cable connect the Ethernet Cable DSL port on the rear of the Gateway to any one of the LAN ports Re apply power to the Gateway The Alert LED will flash as the Gateway starts up and after approximately 30 seconds will start to flash more slowly typically 2 seconds on 2 seconds off Once the Alert LED has started to flash slowly remove power from the Gateway Remove the cable connecting the Cable DSL port to the LAN port and reconnect one of your computers to one of the Gateway LAN ports Re apply power to the Gateway 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 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 802 119 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 Gateway cont
88. n the United States 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 mater
89. n 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 restrictions 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 tr
90. nable the DHCP server with the following settings The fields below have been pre filled with the optimal address range for your network IP Pool Start Address 192 168 1 2 IP Pool End Address 192 168 1 254 To activate the DHCP Server option select Enable the DHCP server with the following settings and specify the IP pool range The largest available continuous IP pool will be automatically entered if this is not appropriate Wireless Settings gt Accessing the Wizard 39 make your required changes To disable DHCP select Do not enable the DHCP server Click Next when you have finished Figure 25 Wireless Configuration Screen Wireless Settings Wireless Configuration To set up the Wireless features ofthe Gateway select a channel from the list and specify a Service Area Name SSID this may be referred to as ESSID or Service Set Identifier on other products Your Wireless PCs will need to be configured with the same settings to communicate with the Gateway Channel 13 Service Area Name SSID BCom Note The default Service Area Name SSID is 3Com This screen displays the Channel and Service Area Name It also allows you to change these settings There are a maximum of 14 channels the number available to you is dependent on the country you reside in Selecting Clear Channel Select allows the Gateway to automatically select an available channel when first powered on The Service Area Name default for
91. nection between the modem and the cable DSL interface is OK Ensure that you have entered the correct information into the Gateway configuration screens as required by your Internet Service Provider Use the Internet Settings screen to verify this For DSL users check that the PPPoE or PPTP user name password and service name are correct if these are required Only enter a PPPoE service name if your ISP requires one For cable users check whether your ISP requires a fixed MAC Ethernet address If so use the Clone MAC Address feature in the Gateway to ensure that the correct MAC address is presented as described on page 60 For cable users check whether your ISP requires a fixed Host Name If so enter the required Host Name in the Internet Settings screen 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 85 Forgotten Password and Reset to Factory Defaults If you can browse to the Gateway configuration screen but cannot log on because you do not know or have forgotten the password follow the steps below to reset the Gateway to it s 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 Gateway connection to the Internet Also other co
92. nly the specified IP address can manage the Gateway Any other users will be rejected Enable administration from a whole subnet This option allows a number of users within a subnet to administer the Gateway Enable administration from any Internet Host This options allows any host to access the administration pages To remotely administer your Gateway enter http xxx xxx xxx xxx 8000 in the location bar of the browser running on the remote computer where xxx xxx xxx xxx is the Internet IP address of the Gateway You may then login using the administration password Your Internet IP address can be found at the bottom of the screen See Figure 56 System Tools 75 System Tools Restart The main frame of the System Tools screen includes four administration items Restart Time Zone Configuration and Upgrade Figure 57 Figure 57 Restart Screen less 119 Cable DSL Gateway Microsoft Internet Explorer Welcome Restart LAN Settings x x Please press the button to restart the gateway Wireless Settings Internet Settings RESTART THE GATEWAY Firewall System Tools Note Users will be disconnected from the Internet while the Gateway is restarting Status and Logs Support Feedback Status Ready IDene TT E My Computer A If your Gateway is not operating correctly you can choose to restart the Gateway by selecting Restart the Gateway simulating the effect of power cycling
93. nnect Wireless 11g Cable DSL Gateway Wireless Users Your PC To use your Gateway to connect to the Internet through an external cable or DSL modem Insert one end of the supplied Ethernet RJ 45 Category 5 cable into the Cable DSL port on the rear panel of the Gateway Insert the other end of the cable into the RJ 45 port on your cable or DSL modem Check that the Cable DSL status LED lights on the Gateway 3 Connect the cable or DSL modem to the Internet Connecting the Gateway 23 4 Connect your computer to one of the four LAN ports on the Gateway using a twisted pair cable Check that the corresponding LAN status LED on the Gateway lights You have now completed the hardware installation of your Gateway Next you need to set up your computers so that they can make use of the Gateway to communicate with the Internet 3Com recommends that you perform the initial Gateway configuration from a computer that is directly connected to one of the LAN ports If you configure the Gateway from a wireless computer note that you may lose contact with the Gateway if you change the wireless configuration To communicate wirelessly with your Gateway your wireless NIC should be set as follows a Encryption none a Service Area Name SSID 3Com a Channel 11 24 CHAPTER 2 HARDWARE INSTALLATION SETTING UP YOUR COMPUTERS The Gateway has the ability to dynamically allocate network addresses to the computers on your netwo
94. nt Regulations Cet appareil num rique de la classe B respecte toutes les exigences du Reglement sur le mat riel brouilleur du Canada BSMI Statement KERZE Slee EEEN He FAIRE gt D SERT gt Tela BEAL BORIC ENTER SE Ue ae OF al FCC CAUTION To assure continued compliance any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment 124 RF Exposure CAUTION The 3Com OfficeConnect Wireless Cable DSL Gateway has Compliance been certified as a mobile computing device as per FCC Section 2 1091 Statement U S In order to comply with the FCC RF exposure requirements the 3Com OfficeConnect Wireless Cable DSL Gateway must only be installed with approved antennas and a minimum separation distance of 20 cm 8 in must be maintained from the antenna to any nearby persons Potential RF CAUTION To prevent radio interference to the licensed service this Interference A device is intended to be operated indoors and away from windows to Canada provide maximum shielding Equipment or it s transmit antenna that is installed outdoors is subject to licensing CaN stom 3Com Corporation Corporate Headquarters 5500 Great America Parkway Santa Clara CA 95052 8145 USA To learn more about 3Com products and services visit our World Wide Web site
95. oaded at the factory click RESET You will lose all your configuration changes The Gateway LAN IP address will revert to 192 168 1 1 and the DHCP server on the LAN will be enabled You may need to reconfigure and restart your computer to re establish communication with the Gateway 78 CHAPTER 5 GATEWAY CONFIGURATION Upgrade Figure 60 Upgrade Screen System Tools Upgrade Firmware This allows you to upgrade the software installed on this unit to a new version chen se downloaded from the 3Com support web site Please select the location of the software upgrade file on your PC using the browse button below then press the Apply button Foie Internet Settings Status and Logs Support Feedback Note You need make sure the Files of type is set to All files to see the file Status Ready The Upgrade facility allows you to install on the Gateway any new releases of system software that 3Com may make available To install new software you first need to download the software from the 3Com support web site to a folder on your computer Once you have done this select Browse to tell your web browser where this file is on your computer and then click Apply The file will be copied to the Gateway and once this has completed the Gateway will restart Although the upgrade process has been designed to preserve your configuration settings it is recommended that you make a backup of the conf
96. 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 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 the wireless configuration supported by the Gateway 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 Gateway 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 Internet Service
97. on 44 Upgrade 78 URL Filter 69 V Virtual Servers 63 64 W WAN 33 Web Proxy 28 Wireless authorized PCs 53 channel selection 47 client list 55 configuration 47 connection control 53 encryption 49 LED 15 networking 85 NIC 14 service area name 48 settings 39 47 REGULATORY NOTICES FOR THE WIRELESS 11G CABLE DSL GATEWAY Channels Use of the Wireless Cable DSL Gateway is only authorized for the channels approved by each country For proper installation login to the management interface and select your country from the drop down list Table 5 below details the channels permitted by the local regulatory agencies Table 5 Channels Channels Country 1 13 Australia Austria Bahrain Belarus Belgium Chile China Costa Rica Croatia Cyprus Czech Republic Denmark Finland France Germany Greece Hong Kong Hungary Iceland India Indonesia Ireland Italy Liechtenstein Lithuania Luxembourg Malaysia Netherlands New Zealand Norway Paraguay Peru Philippines Poland Portugal Russia Saudi Arabia Singapore Slovenia South Africa South Korea Spain Sweden Switzerland Thailand Turkey United Kingdom Uruguay Venezuela 1 11 Argentina Brazil Canada Columbia Mexico Taiwan United States 10 13 France Jordan 5 7 Israel 1 14 Japan The channels available for use in France depend on the region in which you are located FCC Statement This equipment has been tested and found
98. options Unit Configuration Figure 30 Unit Configuration Screen L scom LAN Settings Welcome LAN Settings LAN Settings IP Address 192 168 1 1 Wireless Settings Subnet Mask 255 255 255 0 Internet Settings DHCP Server Parameters The Gateway acts as DHCP Server I Enable System Tools x IP Pool Start Address 921681 2 te ead lees IP Pool End Address 1921681 Ps ee Support Feedback 3Com NBX Call Processor optional Firewall DHCP Clients List LAN Settings 45 The LAN Settings screen is used to specify the LAN IP address of your Gateway and to configure the DHCP server Select Unit Configuration and then specify the Gateway P Address and Subnet Mask in the LAN Settings field The default IP address of the Gateway is 192 168 1 1 If you want to use the Gateway as a DHCP Server click in the Enable check box Clicking Auto Range will automatically choose the largest available range of addresses for your network Check all of your settings and then click Apply The DHCP server will give out addresses to both wired and wireless clients Figure 31 DHCP Clients List Screen MAC Address Client Type Fix Support Feedback E fie C fdata work 3Com Wizardjweb_htmijmain LAN_DHCP_dients htm CO TE My Computer 2 The DHCP Clients List provides details on the devices that have received IP addresses from the Gateway The list is only created when the Gateway is se
99. 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 timing sequencing and error control Point to Point Protocol over Ethernet Point to Point Protocol is a method 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 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 116 GLOSSARY SSID Subnet Address Subnet mask Subnets Switch TCP IP Traffic universal plug and play URL Filter 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
100. plication at any one time PC Privileges Figure 51 PC Privileges Screen ireless 119 Cable DSL Gateway Microsoft Internet Explorer Ok d le P search sr Favortes ef Meda Or a Be address http 1132 168 2 17 Firewall Welcome Enable Privileges LAN Settings Le All PCs have access to the internet Wireless Settings G PCs access authorised services only Internet Settings Firewall Note To prevent Wireless PCs connecting to your Gateway use the Connection Control feature on the Wireless Settings page System Tools PC s IP Address es Authorised Services Status and Logs Support Feedback PCs not listed below Only eMail Internet FTP News 192 168 2 2 All services except eMail Port s 23 Lioc our or ee Status Ready fa PTT E My Computer Select PC Privileges to display the PC Privilege setup screen Figure 51 Access from the local network to the Internet can be controlled on a computer by computer basis In the default configuration the Gateway will allow all connected computers unlimited access to the Internet PC Privileges allows you to assign different access rights for different computers on your network 68 CHAPTER 5 GATEWAY CONFIGURATION To use access control for all computers Click PCs access authorized services only Select All PCs to setup the access rights for all computers connected to the Gateway Select authorized services by clickin
101. quire a PPPoE service name Only enter a service name if your ISP requires this 7 Select an idle time from the Maximum Idle Time drop down list This value will correspond to the amount of idle time no Internet activity that will pass before the Gateway automatically ends your PPP over Ethernet session Since the Gateway contains its own PPPoE client you no longer need to run PPPoE client software on your computer to access the Internet PPTP Figure 44 PPTP Setup Screen F 3Com OfficeConnect Wireless 11g Cable DSL Gateway Microsoft Internet Explorer Ble Edit view Favorites Tools Help G bak 2 iz P search Favorites Meda or Be Address http 192 168 1 14 ect Wireless 11g Cable DSL Gateway 3com Internet Settings Welcome Connection Parameters LAN Settings IP Allocation Mode PPTP used by some European providers Wireless Settings PPTP Server g Address ae Internet Settings SENS nn Firewall PPTP Password 000 optional Status and Logs 000 optional Support Feerthack Maximum Idle Time forever Lo our Initial IP Parameters You must specify some IP settings to be used when establishing the PPTP connection If the PPTP server is located in your DSL modem then you can use the Suggest button to generate suitable values for you System Tools Initial IP Address 000 in _Suogest Initial Subnet Mask 0 0 0 0 Status Ready a PTT E My Computer A
102. re 34 Encryption Keys Screen showing WEP configuration ficeConnect Wireless 11g Cable DSL Gateway Wireless Settings Welcome WPA WiFi Protected Access LAN Settings WPA Encryption Type Disabled 7 Wireless Settings a n A WEP Wired Equivalent Privacy Internet Settings a WEP Encryption Type 128bitencryption Firewall SEE Select key generation method Passphrase Status and Logs Passphrase SE Keys generated by this Passphrase Active Transmit Key LOG our 1A1B 1C 1D 1E 1F 2A 2B 2C 2D 2E 2F 3A c 1A 1B 1C 1D 1E 1F 2A 2B 2C 2D 2E 2F 3A c 1A 1B 1C 1D 1E 1F 2A 2B 2C 2D 2E 2F 3A Les c 1A 1B 1C 1D 1E 1F 2A 2B 2C 2D 2E 2F 3A Status Ready A Key is a hexadecimal 0 9 A F number used to encrypt and decrypt the data There can be up to 4 keys and each key can be as long as 26 digits The Gateway also offers a number of methods for converting plain text into hex keys The text is much easier to remember than hex keys but it relies on your wireless adapters also supporting this feature Different manufacturers have developed different ways of converting plain text and so interoperability is not guaranteed If you are experiencing difficulty the Manual Hex Key method is supported by most vendors There are four methods available to generate the encryption keys m Manual Key Entry This method allows you to manually enter hex keys Virtually all manufacturers support this scheme Enter a two digit
103. ress Please select the mode that applies to your ISP from the list below If unsure please contact your ISP PPPoE is required typically DSL users only ISP provides configuration dynamically via DHCP C ISP has provided a static IP address PPTP is required some DSL users in Europe lt lt Back Next gt gt Cancel This Internet Addressing Mode window allows you to set up the Gateway for the type of Internet connection you have Before setting up your Internet connection mode have the modem setting information from your ISP ready Select an Internet Addressing mode from the following m PPPOE is required typically DSL users only see page 34 ISP provides configuration dynamically via DHCP see page 35 m ISP has provided a static IP address see page 36 m PPTP is required some DSL users in Europe see page 37 and click Next For further information on selecting a mode see Internet Settings on page 57 34 CHAPTER 4 RUNNING THE SETUP WIZARD PPPoE Mode Figure 17 PPPoE Screen Internet Settings PPPoE Please enter your PPPoE settings as provided by your ISP below If you have not been provided with a PPPoE Service Name leave this field blank PPPoE User Name PPPoE Password PPPoE Service Name optional once To setup the gateway for use with a PPP over Ethernet PPPoE connection use the following procedure Enter your PPP over Ethernet user name in the PPPoE User N
104. rk 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 If your computers are configured with fixed or static addresses and you do not wish to change this then you should use the Discovery program on the Gateway CD ROM to detect and configure your Gateway Refer to Appendix A for information on using the Discovery program Obtaining an IP Address Automatically Windows 2000 mu 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 6 should be displayed Select Internet Protocol TCP IP and click on Properties 26 CHAPTER 3 SETTING UP YOUR COMPUTERS Figure 6 Local Area Properties Screen Local Area Connection Properties MF NWLink NetBIOS ay 6 Ensure that the options Obtain an IP Address automatically and Obtain DNS server address automatically are both selected as shown in Figure 7 Click OK Figure 7 Internet Protocol TCP IP Properties Screen Internet Protocol TCP IP Properties 7 Restart your computer Windows XP A W N ul Windows 95 98 ME Macintosh U FPF WN Obtaining an
105. rver is located in your DSL modem you can use the Suggest button to generate suitable values for you Initial IP Address 0 0 0 0 EEE Initial Subnet Mask 0 0 0 0 38 CHAPTER 4 RUNNING THE SETUP WIZARD LAN Settings DHCP 6 IP settings must be used when establishing a PPTP connection Fill in the Initial IP Address and the Initial Subnet Mask fields if your ISP has provided you with these settings Alternatively if the PPTP server is located in your DSL modem click Suggest to select an IP address on the same subnet as the PPTP server Figure 23 LAN IP Address Screen LAN Settings LAN IP Address The fields below show a suggested LAN IP address and subnet mask for your Gateway If these values are not suitable please change them and then press Next to continue IP Address fi 92 168 1 1 Subnet Mask 255 255 255 0 This screen displays a suggested LAN IP address and subnet mask of the Gateway It also allows you to change the IP address and subnet mask The Gateway contains a Dynamic Host Configuration DHCP server that can automatically configure the TCP IP settings of every computer on your network Figure 24 DHCP Server Setup Screen LAN Settings DHCP Server Setup The OfficeConnect Wireless Cable DSL Gateway can act as a DHCP Server to provide IP addresses to the PCs on your LAN This option should only be enabled if there are no other DHCP servers on your LAN Do not enable the DHCP server E
106. rvers setup screen Figure 45 Virtual DMZ Figure 45 Virtual Servers Screen Tools Help id a A search r Favorites SP Meda O7 ir _Hteuns2 168 1 07 scom Firewall Welcome Virtual DMZ LAN Settings When a request from the Internet is not directed to a virtual server listed in the table below Wireless Settings amp Block request Internet Settings Redirect request to Virtual DMZ host this reduces the security provided by the unit Firewall IP address of DMZ Host 192 168 1 System Tools Virtual Server IP Address Service Ports 192 168 2 49 telnet 23 192 168 2 1 web 80 Status and Logs Support Feedback Los our 192 168 2 49 MyCustomService 10 100 200 500 Status Ready 64 CHAPTER 5 GATEWAY CONFIGURATION DMZ De Militarized Zone Host is a computer without the protection of the firewall This feature allows a single computer to be exposed to unrestricted 2 way communication from outside of your network This feature should be used only if the Virtual Server or Special Applications options do not provide the level of access needed for certain applications To configure one of your computers as a DMZ host enter the last digit s of the IP address of the computer in the P Address of DMZ Host text box and then click Apply Virtual Server Activating and configuring a virtual server allows one or more of the computers on your network to function as
107. ses see also Infrastructure mode Some devices in the OfficeConnect range support auto negotiation Auto negotiation is where two devices sharing a link automatically 112 GLOSSARY Bandwidth Category 3 Cables Category 5 Cables Channel Client DHCP DNS Server Address configure to use the best common speed The order of preference best first is 1OOBASE 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 11 Mbps 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 OfficeConnect Wireless Cable DSL
108. stall and configure the OfficeConnect Wireless 11g Cable DSL Gateway 3CRWE554G72 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 gateway systems If a release note is shipped with the OfficeConnect Wireless 11g Cable DSL Gateway 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 Wireless 11g Cable DSL Gateway is referred to as the Gateway Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide 8 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 AN injury Table 2 Text Conventions Convention Description The words enter When you see the word enter in this guide
109. t indicates that wireless networking is enabled If the LED is flashing data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Gateway or there is a problem Refer to Chapter 6 Troubleshooting Four LAN Status LEDs Green 100Mbps link yellow 10Mbps link 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 transmitted or received If the LED is off nothing is connected 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 16 CHAPTER 1 INTRODUCING THE GATEWAY 5 Cable DSL Status LED Green 100Mbps link yellow 10Mbps link If the LED is on the link between the Gateway and the cable or DSL modem is OK If the LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected the modem is switched off or there is a problem refer to Chapter 6 Troubleshooting Rear Panel The rear panel Figure 4 of the Gateway contains four LAN ports one Ethernet Cable DSL port a power adapter OK LED and a power adapter socket Figure 4 Gateway Rear Panel Wireless Antennae The antennae on the product should be placed in a V position when initia
110. t up as a DHCP server For each device that is connected to the LAN the following information is displayed m P 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 46 CHAPTER 5 GATEWAY CONFIGURATION a client s network card a Client Type Whether the client is connected to the Gateway by wired or wireless connection a Fix This box is checked if the IP address is fixed to the MAC address of the client s network card Clients that have fixed addresses will get the same IP address each time they connect Check the box to fix an association Uncheck the box to remove the fixed association As you connect more devices the client list will grow to a maximum number of 253 clients The release button allows the lease time for the IP address that has been issued to a device to be cleared The lease time is set at 12 hours If a PC has been switched off using the Release button would allow the 12 hour lease time to be cleared The IP address would then be available for another device if there were no other IP addresses available Adding Fixed DHCP Mappings You can add Fixed Mappings so that the Gateway allocates an IP address chosen by you when it encounters a particular device You only need to create Fixed Mappings for devices that need a specific IP address For devic
111. the Gateway s original MAC address 01 23 45 67 89 AB Loc our C Use this PCs MAC address 01 23 45 67 89 0A C Enter a new MAC address manually 4 4 Status Ready El Done FT FT My Computer 2 Before beginning this section ensure you have the required information from your ISP See Before you Install your Gateway on page 21 Select Internet Settings from the main menu to display Connection to ISP Figure 40 Choose an P Allocation Mode from the drop down box Select an IP Allocation Mode from the following m Static IP address to be specified manually see page 59 m Dynamic IP address automatically allocated see page 60 m PPPoE used by DSL providers only see page 61 m PPTP used by some European providers see page 62 ao uu BB UW Internet Settings 59 Static IP Address Figure 41 Connection Parameters Screen Static IP Connection Parameters IP Allocation Mode Static IP address to be specified manually IP Address 0 0 0 0 Subnet Mask 00 00 ISP Gateway Address 0 0 00 Primary DNS Address 0 000 Secondary DNS Address 0 0 0 0 optional Status Ready FT a My Computer A To setup the Gateway for use with a Static IP address connection Select Static IP Address to be specified manually in the IP Allocation Mode field Figure 41 Enter your IP Address in the P Address text box This information along with the rest of the information in this screen
112. ting the connectivity If this resolves the problem consider relocating the Wireless computer or the Gateway or trying a different channel on the Gateway Sources of interference The 2 4Ghz ISM band is used for 802 1 1b 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 Gateway or wireless computers as this could affect receiver sensitivity and reduce the performance of your network If you are unsure try relocating both the wireless computers and the Gateway to establish whether this problem exists Most wireless computer Adapters will scan the channels for the wireless Gateway If a wireless computer has not located the Gateway then try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to Power LED or Power Adapter OK LED Not Lit 87 correspond to the Gateway channel number Please refer to your Wireless computer adapter documentation and vendor to do this m 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 1
113. to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules and the Canadian Department of Communications Equipment Standards entitled Digital Apparatus ICES 003 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio 122 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 Information to the User If this equipment does cause 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 the receiving antenna a Relocate the equipment with respect to the receiver m Move the equipment away from the receiver a Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits a Consult the dealer or an experienced radio television technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Sto
114. ually special software installed Bell Century Tel Citizens DSL on PC MacPOET WinPOET Primus Prodigy Snet Sprint FC EnterNet 300 The Gateway has Verizon First World Brightnet this software built in and you can Earthlink Ameritech Covad remove it from your PC You will Mindspring Sympatico DSL need to enter the user name and USwest Owest SNet password that your ISP provided to you in the PPPoE page of the Gateway Leave the service name blank unless your ISP requires it PPTP Cable or DSL always on Some KPN Netherlands Austria European ISPs require a PPTP tunnel to authenticate their network Telecom 110 APPENDIX F ISP INFORMATION Static DSL DSL Modem always on Need to enter ALL IP information from ISP in the Static IP address section of the Internet Settings page CableSpeed Cnet Direct Link Drizzle DSL Extreme Earthlink Wireless Fast Point Flashcom GTE WhirlWind Heavenet HSA Corp I 55 InterAccess LinkLine Mission Nauticom NAS Omitel Onterra Phatpipe Rhythms Speakeasy Sterling XO Zyan Static Cable Cable Modem Always on ISP assigns specific IP information which needs to be entered on the Fixed IP page of the Gateway Cox Cable Sprint US Cable Cable Cable Bell includes Bell Advantage Bell Canada Bell South PacBell and Southwestern Bell 802 11b 802 119 10BASE T 100BASE TX Access Point
115. work 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 Gateway 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 4 for an example about how a network with three computers and a Gateway might be configured Table 4 IP Addressing and Subnet Masking Device IP Address Subnet Mask PC 1 192 168 100 8 255 255 255 0 PC 2 192 168 100 33 255 255 255 0 PC 3 192 168 100 188 255 255 255 0 Gateway 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 97 This type of IP Address operates on a subnet mask of 2
116. y also provide sub sections which are accessed through the use of tabs see Figure 27 for example To access a sub section simply click on the required tab Getting Help On every screen a Help button is available which provides access to the context sensitive online help system Click Help for further assistance and guidance relating to the current screen Welcome Screen The Welcome section allows you to view the Notice board and to change your Password You can also gain access to the Configuration Wizard See Accessing the Wizard on page 29 for details Notice Board Figure 27 Notice Board Screen less 11g Cable DSL Gateway Microsoft Internet Explorer 5e View Favorites Tools Help G sak O 2 iz P search Favorites Meda or Br Address http 192 168 1 1 Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Status and Logs Support Feedback 111 The Firewall is Switched off LOG OUT 11 Wireless Networking is Switched off 111 1 Wireless Encryption is Switched off Status Ready a PTT E My Computer The Notice Board is used to display configuration warning messages For example you would be warned if you had disabled wireless networking or wireless encryption Password Vo Welcome Screen 43 Figure 28 Password Screen Qrad gt Or 2 IE search Favores Meda Or ir Adsress c data work scom Wiz

3Com 3CRWE554G72 Network Card User Manual

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