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3Com 3CRWE754G72-A, 3CRWE754G72

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1. The following information are usually provided by your ISP VPI VCI o nt Summary Figure 19 Configuration Summary Screen CAN 3com Setup Wizard LAN Settings Wireless Settings Internet Settings Routing Firewall System Tools Status and Logs Internet 5 Enter your VPI and VCI information in the VPI VC text boxes Check all of your settings and then click Next OfficeConnect apst Wireless 119 Firewall Router Configuration Summary Protocol PPP over ATM VPI VCI 8 48 AALS Encapsulation VC MUX IP Address Subnet Mask User Name steve Password ner Channel 11 lt lt Back Apply Internet E Done 34 CHAPTER 4 RUNNING THE SETUP WIZARD When you complete the Setup Wizard a configuration summary will display Verify the configuration information of the Router and then click Apply to save your settings 3Com recommends that you print this page for your records Your Router is now configured and ready for use See Chapter 5 for a detailed description of the Router configuration screens ROUTER CONFIGURATION Navigating Through the Router Configuration Pages Main Menu This chapter describes all the screens available through the Router configuration pages and is provided as a reference To get to the configuration pages browse to the Router by entering the URL in the location bar of your browser The default URL is http 192 168 1 1 but if you changed the Router LAN IP address during initial co
2. To edit or delete specific Access Control rules click on Edit or Delete for the appropriate access control rule To control access to specific Internet services Click on Add PC A screen similar to that shown below will appear Firewall 55 Figure 43 Add PC Screen A _ DO Na OfficeConnect ADSL wireless 119 Firewall Router scom Setup Wizard Client IP Filters Special Applications Virtual Servers Blocked Out Client PC Client IP Filters Client PC Description MAC Address Filtering De Client PC IP Address 192 168 1 Advanced Service Name Detail ptic Blocking system Tanis www HTTP TCP Port 80 312 8080 8001 Safuan Engs Enable URL Blocking HTTP Ref URL Blocking Site Page sie E mail Sending SMTP TCP Port 25 News Forums NNTP TCP Port 119 E mail Receiving POP3 TCP Port 110 Secure HTTP HTTPS TCP Port 443 File Transfer FTP TCP Port 21 MSN Messenger TCP Port 1863 Telnet Service Fcp Port 23 AOL instant Messenger TCP Port 5190 H 323 TCP Port 1720 UDP Port 53 UDP Port 161 162 bone FT Fe Internet Enter a description for the filter you are defining in the Client PC Description field Enter the IP address or IP address range into the Client IP Address fields Select the services to be blocked A list of popular services is given on this screen to block a particular service place a check in the appropriate Blocking checkbox If the service
3. return authorization number RMA Products sent to 3Com without authorization numbers clearly marked on the outside of the package will Telephone Technical Support and Repair 93 be returned to the sender unopened at the sender s expense If your product is registered and under warranty you can obtain an RMA number online at http eSupport 3com com First time users will need to apply for a user name and password Telephone numbers are correct at the time of publication Find a current directory of support telephone numbers posted on the 3Com web site at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repair Australia 1 800 678 515 Philippines Hong Kong 800 933 486 India 61 2 9424 5179 or PR of China 000800 650 1111 Indonesia 001 803 61009 Japan 00531 616 439 or Singapore 03 5977 7991 S Korea Malaysia 1800 801 777 Taiwan New Zealand 0800 446 398 Thailand Pakistan 61 2 9937 5083 1235 61 266 2602 or 1800 1 888 9469 10800 61 00137 or 021 6350 1590 or 00800 0638 3266 800 6161 463 080 333 3308 00801 611 261 001 800 611 2000 You can also obtain support in this region using the following e mail apr technical support 3com com Or request a repair authorization number RMA by fax using this number 65 543 6348 Europe Middle East and Africa Telephone Technical Support and Repair From anywhere in thes
4. I nm Jo er e og I upp upp Tcp Tcp upp upp TCP TCP upp upp TCP Tcp r upp upp Ta 2 te TT 19 internet Special Applications let you specify specific ports to be open for specific applications to work properly with the Network Address Translation NAT feature of the Router A list of popular applications has been included to choose from Select your application from the drop down list at the top of the screen Select the row that you want to copy the settings to from the drop down list select the row you want to copy to and then click Copy To The settings will be transferred to the row you specified Click Apply to save the setting for that application If your application is not here you will need to check with the application vendor to determine which ports need to be configured You can manually input this port information into the Router To do this Specify the trigger port the one used by the application when it is initialized in the Trigger Port column and specify whether the trigger is TCP or UDP Specify the Public Ports used by the application that will need to be opened up in the firewall for the application to work properly Also specify whether these ports are TCP or UDP You can temporarily enable or disable each entry in the table by checking or unchecking the Enabled checkbox Fir
5. OFF Advanced WAN Ping Blocking a ADVANCED FEATURE You can configure the Router not to respond to an ICMP Ping Status and Logs ping to the WAN port This offers a heightened level of security Block ICMP Ping F Remote Administration ADVANCED FEATURE Remote management allows you to make changes to your Router s settings from anywhere on the Internet Before you enable this function MAKE SURE YOU HAVE SET THE ADMINISTRATOR PASSWORD System Tools Any IP address can remotely r manage the router er can remotely Mn E E p ETS EJ Done DE Internet NAT Enable Before you enable this function make sure you have changed the administrator password Network Address Translation NAT is the method by which the router shares the single IP address assigned by your ISP with the computers on your network This function should only be used by advanced users and if your ISP assigns you multiple IP addresses or you need NAT disabled for an advanced system configuration If you have a single IP address and you turn NAT off the computers on your network will not be able to access the Internet Other problems may also occur Universal Plug and Play Universal Plug and Play is a technology that offers seamless operation of voice messaging video messaging games and other applications that are Universal Plug and Play compliant Some applications require the Router s firewall to be configured in a specific way to operate p
6. Software Updates you must first register your product on the 3Com web site at http eSupport 3com com First time users will need to apply for a user name and password A link to software downloads can be found at http eSupport 3com com OF under the Product Support heading at http www 3com com Software Upgrades are the software releases that follow the software version included with your original product In order to access upgrades and related documentation you must first purchase a service contract from 3Com or your reseller Contact Us 3Com offers telephone e mail and internet access to technical support and repair services To access these services for your region use the appropriate telephone number URL or e mail address from the list below You will find a current directory of support telephone numbers posted on the 3Com web site at http csoweb4 3com com contactus Telephone Technical Support and Repair To obtain telephone support as part of your warranty and other service benefits you must first register your product at http eSupport 3com com When you contact 3Com for assistance please have the following information ready m Product model name part number and serial number a A list of system hardware and software including revision level m Diagnostic error messages m Details about recent configuration changes if applicable To send a product directly to 3Com for repair you must first obtain a
7. The pre shared key is a password in the form of a word phrase or series of letters and numbers The key must be between 8 and 63 characters long and can include spaces and symbols Note that each client that connects to the network must use the same key 2 Click Apply 42 CHAPTER 5 ROUTER CONFIGURATION 128 bit WEP Figure 27 128 bit WEP Screen ex 3com Setup Wizard iceConnect ADSL Wireless 11g Firewall Router LAN Settings WEP Wired Equivalent Privacy fizepiwer ror or fr fr for it Mn 3 hex digit pairs To automatically generate hex pairs using a PassPhrase input it here Passphrase Generate Note WEP is the basic mechanism to transmit your data securely over the wireless network Matching encryption keys must be setup on your Router and wireless client devices to use WEP 1 You can either enter your WEP key as 13 pairs of hex digits 0 9 A F or enter a memorable passphrase in the Passphrase box and then click Generate to generate the hex keys from the passphrase D The WEP keys on each device in the wireless network must be identical In 128 bit WEP mode only one WEP key key 1 can be specified 2 Click Apply 64 bit WEP Figure 28 64 bit WEP Screen CAN 3C0M Setup Wizard LAN Settings Configuration Encryption Internet Settings i 64 bit WEP z for for fo for for Be fe be fee To automatically generate hex pairs using a PassPhrase input it here Passphrase Gene
8. tre r solu avec les actions de la r solution des probl mes dans ce guide contacter votre fournisseur AVERTISSEMENT D branchez l adaptateur lectrique avant de retirer cet appareil AVERTISSEMENT Ports RJ 45 Il s agit de prises femelles blind es de donn es RJ 45 Vous ne pouvez pas les utiliser comme prise de t l phone Branchez uniquement des connecteurs de donn es RJ 45 sur ces prises femelles END USER SOFTWARE LICENSE AGREEMENT 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING 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 Docum
9. Agreement ASSIGNMENT NO REVERSE ENGINEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees in writing to accept and be bound by the terms and conditions of this Agreement If you transfer the Software and Documentation you must at the same time either transfer all copies of the Software and Documentation to the party or you must destroy any copies not transferred Except as set forth above you may not assign or transfer your rights under his Agreement 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 approv
10. Mode for Figure 33 Bridge Mode for Single PC Screen Single PC fficeConnect avs Wireless 119 Firewall Router Bridge Mode for a Single PC VPINCI a Encapsulation VC MUX ce aooi f cana 1 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields 2 Select the encapsulation type LLC or VC MUX in the Encapsulation Type field This information will have been provided to you by your ISP 3 Click Apply Routing Mode over Figure 34 Routing Mode over ATM Screen ATM IP Address Subnet Mask ISP Default Gateway VPI VCI Encapsulation 1 Enter the IP address Subnet Mask and Default Gateway information provided by your ISP into the P address Subnet Mask and Default Route fields 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields 48 CHAPTER 5 ROUTER CONFIGURATION 3 Select the encapsulation type LLC or VC MUX in the Encapsulation field This information will have been provided to you by your ISP 4 Click Apply DNS Figure 35 DNS Screen OfficeConnect apst Wireless 11g Firewall Router DNS Settings If your ISP provided you with a specific DNS address to use enter the address in this window and click Apply Automatic from ISP m DNS Address p e Jp jE Secondary DNS Address ef e DNS Domain Name Server A server located on the Internet that translates URL s Universal Resource Links like www 3com com to IP addresses If yo
11. The bandwidth for 802 11b wireless is 11Mbps One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 3 is voice grade cable and can only be used in Ethernet networks 10BASE T to transmit data at speeds of up to 10 Mbps One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 5 can be used in Ethernet 10BASE T and Fast Ethernet networks 100BASE TX and can transmit data up to speeds of 100 Mbps Category 5 cabling is better to use for network cabling than Category 3 because it supports both Ethernet 10 Mbps and Fast Ethernet 100 Mbps speeds Similar to any radio device the Wireless Cable DSL router allows you to choose different radio channels in the wireless spectrum A channel is a particular frequency within the 2 4GHz spectrum within which the Router operates The term used to described the desktop PC that is connected to your network Dynamic Host Configuration Protocol This protocol automatically assigns an IP address for every computer 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 In
12. and used in accordance with the instructions may cause harmful interference to radio communications 106 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 m 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 m 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 Stock 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 3CRWE754G72 A B OfficeConnect ADSL Wireless 11g Firewall Router to which this declaration relates is in conformity with the following standards or other normativ
13. any corresponding LEDs on the NIC are also illuminated m 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 m If the link status LED does not illuminate for a port that is connected check that you do not have a faulty cable Try a different cable Browsing to the Router Configuration Screens If you have connected your Router and computers together but cannot browse to the Router configuration screens check the following Confirm that the physical connection between your computer and the Router 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 m 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 Router to ensure that your computer receives an IP address m When entering the address of the Router into your web browser ensure that you use the full URL including the http prefix e g http 192 168 1 1 m Ensure that you do not have a Web proxy enabled on your computer Go to the Control Panel and click on Internet Options Select the Connections tab and click on the LAN Settings button at the b
14. automatically This is done by setting the card s SSID setting to ANY 40 CHAPTER 5 ROUTER CONFIGURATION Encryption Your Router is capable of blocking this random searching for a network If you disable the Broadcast SSID feature the only way a computer can join the network is by setting the computer s SSID to the specific name of the network like WLAN Be sure that you know your SSID network name before enabling this feature It is possible to make your wireless network nearly invisible By turning off the broadcast of the SSID your network will not appear in a site survey Site Survey is a feature of many wireless network adapters on the market today It will scan the air for any available network and allow the computer to select the network from the site survey Turning off the broadcast of the SSID will help increase security Select the Wireless Mode that you wish to use on your Router from the Wireless Mode drop down list Unless you are having problems with your Wireless Network it is recommended that you leave this setting on it s default value of Mixed 11b 119 Select whether you wish to use g Nitro Mode on your Router by selecting the appropriate g Nitro radio button Unless you are having problems with your Wireless Network it is recommended that you leave this setting on it s default value of Enable Press Apply Figure 25 Encryption Screen OfficeConnect ADSL wireless 119 Firewall Router Securi
15. before the Wizard will launch automatically refer to Figure 14 6 You will be guided step by step through a basic setup procedure Accessing the Wizard Figure 13 Status Screen Setup Wizard LAN Settings Wireless Settings Internet Settings Routing Firewall System Tools Status and Logs ADSL Status Logs Log Out EJ Done OfficeConnect apst wireless 11g Firewall Router Status General Information DSL Settings Figure 14 DSL Settings Screen Setup Wizard LAN Settings Wireless Settings Internet Settings Routing Firewall System Tools Status and Logs Log Out EJ Done 29 3C number 3CRWE754G72 A Software version 1 06 Jan 2 2004 11 15 05 Boot loader version v14 Wireless ver n 1 0 4 3 ADSL modem version 13 9 38 Hardware version DA Serial number 7VCF399473244 Access From The Internet Firewall Enabled Universal Plug amp Play Disabled Discard ping from the Internet Yes Internet Settings WAN Connection Type PPPOE Status DISCONNECTED Internet IP address NA Sannect Subnet Mask NA an ISP Gateway Address NA as eee Primary DNS NA LI Secondary DNS NA WAN MAC Address 00 0D 54 47 32 A4 LAN Settings LAN IP address 192 168 1 1 LAN Subnet Mask 255 255 255 0 DHCP Server Enabled DHCP Range 192 168 1 2 192 168 1 254 Internet OfficeConnect abst Wireless 119 Firewall Router Connection Type Setup Wizard Connection Type The following information is usually provided by y
16. of the route A network address of 0 0 0 0 and a subnet mask of 0 0 0 0 indicates the default route m Gateway the gateway used to route data to the network specified by the network address To add a static route entry to the table type in the network address subnet mask and gateway and click Add To change an entry click Edit and to delete an entry click Delete After you have finished making changes to the table click Apply Figure 37 RIP Parameter Screen amp a rey iceConnect ADSL Wireless 11g Firewall Router 1010 00 Setup Wizard LAN Settings General RIP parameter Wireles gs RIP mode C Enable Disable Auto summary Enable Disable Internet Settings Routing Static Route RIP Operation en Poison Authentication Authentication rface r version a 4 Routing Table Mode Required Code Status and Logs Log Out 50 CHAPTER 5 ROUTER CONFIGURATION Routing Table You can set up RIP independently on both LAN and WAN interfaces Select the RIP Mode Enable radio button Select the appropriate radio button to enable or disable Auto Summary Auto Summarization sends simplified routing data to other RIP enabled devices rather than full routing data Select the Operation Mode m Disabled RIP is not enabled for the WAN or LAN interface m Enabled RIP is enabled for the WAN or LAN interface The router will transmit RIP update information to other RIP enabled devices a Silen
17. 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 Israel 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 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 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 frequency energy and if not installed
18. potential personal injury Table 2 Text Conventions Convention Description The words enter When you see the word enter in this guide you must type and type something and then press Return or Enter Do not press Return or 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 m Document title m Document part number on the title page m Page number if appropriate gt Related Documentation Conventions 9 Example m OfficeConnect ADSL Wireless 11g Firewall Router User Guide m Part Number DUA0075 4AAAO1 m 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 Router docume
19. speed Ethernet ports 10BASE T 1 OOBASE TX WLAN Interfaces Standard IEEE 802 119 Direct Sequence Spread Spectrum DSSS Transmission rate 54Mbps automatic fallback to 48 36 24 18 12 or 6 Mbps Maximum channels 14 Range up to 304 8m 1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 6 12 18 24 36 48 Mbps 85 dBm 54 Mbps 66 dBm typical Modulation CCK BPSK QPSK OFDM Encryption 40 64 bit WEP 128 bit WEP WPA Maximum clients 128 O P Power 18dBm Standard IEEE 802 11b Direct Sequence Spread Spectrum DSSS Transmission rate 11bps automatic fallback to 5 5 2 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 Encryption 40 64 bit WEP 128 bit WEP WPA 82 APPENDIX B TECHNICAL SPECIFICATIONS Standards Maximum clients 128 O P Power 16dBm Operating Temperature 0 C to 40 C 32 F to 105 F Power 8VA 25 BThU hr Humidity 0 to 90 non condensing humidity Dimensions a Width 220 mm 8 7 in Depth 133 mm 5 2 in Height 38 mm 1 5 in Weight Approximately 550 g 1 1 lbs Functional ISO 8802 3 IEEE 802 3 IEEE 802 11b 802 11g Safety EN 60950 EMC EN 55022 Class B EN 55024 FCC Part 15 Class B ETSI EN 301 489 17 Radio ETS 300 328 2 4 GHz ISM band wide band transmission systems Environmen
20. the building structure or fittings are not adversely affecting the connectivity If this resolves the problem consider relocating the Wireless computer or the Router or trying a different channel on the Router m Sources of interference The 2 4Ghz ISM band is used for 802 116 and 802 11g This is generally a licence free band for low power applications and you may have other devices at your location that operate in this frequency band You should take care to ensure that there are no devices like microwave ovens for example close to the Router or wireless computers as this could affect receiver sensitivity and reduce the performance of your network If you are unsure try relocating both the wireless computers and the Router to establish whether this problem exists m Most wireless computer Adapters will scan the channels for the wireless Router If a wireless computer has not located the Router then try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to correspond to the Router channel number Please refer to your Wireless computer adapter documentation and vendor to do this 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 802 119 are 54 Mbps 48 Mbps 36 Mbps 24 Mbps 18 M
21. to be restricted is not listed on the screen you can enter a custom range of ports at the bottom of the page under User Defined Service If you want the restriction to only apply at certain times select the schedule rule to apply from the Schedule Rule drop down list Note that Schedule Rules are defined on the Schedule Rule page see page 57 Click OK to add the settings 56 CHAPTER 5 ROUTER CONFIGURATION URL Blocking Figure 44 URL Blocking Screen OfficeConnect aps Wireless 119 Firewall Router Client IP Filters Internet Settings Routing access Control MAC Address Filtering DMZ Advanced Rule URL Keyword System Tools Number Keyworc a FIT internet To configure the URL Blocking feature use the table on the URL Blocking page to specify the websites www somesite com and or keywords you want to filter on your network For example entering a keyword of xxx would block access to any URL that contains the string xxx To complete this configuration you will need to create or modify an access rule in the Access Control section see Access Control on page 54 From the Access Control Add PC section check the option for WWW with URL Blocking in the Client PC Service table to filter out the websites and keywords specified in the table Firewall 57 Schedule Rule Figure 45 Schedule Rule Screen oj f fice o
22. you to upgrade the software installed on this unit to a new version Internet Settings 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 Routing Upgrade button Firewall l Upgrade Backup Restore Settings Upgrade Admin Password Time Zone Status and Logs Admin Password System Tools 67 From time to time 3Com may release new versions of the Routers firmware Firmware updates contain improvements and fixes to problems that may have existed Please download the firmware file to your PC first and then click Browse and select the firmware file Click Upgrade to upload the firmware to the Router Figure 56 Admin Password Screen You can change the password to prevent unauthorized access to the Administration fi g Ce System The default password is admin Current Password New Password Confirm New Password Login Timeout The Router ships with a default password of admin 3Com recommends that you change the password for added security Keep your password in a safe place as you will need this password to log into the router in the future It is also recommended that you set a password if you plan to use the Remote management feature of this Router To change the password Enter the current password into the Type in current password field Enter the new password into the Type in new Password and Confirm
23. your Router to factory default settings and cannot access the web management interface for example due to a lost password then you may use this button Refer to Forgotten Password and Reset to Factory Defaults on page 72 for further details Power Adapter Socket Only use the power adapter that is supplied with this Router Do not use any other adapter ADSL Port Using the RJ11 cable provided you should connect your Router to the telephone socket via a splitter HARDWARE INSTALLATION Introduction Safety Information AN AN AN This chapter will guide you through a basic installation of the Router including Connecting the Router to the Internet Connecting the Router to your network a Setting up your computers for networking with the Router WARNING Please read the Safety Information section in Appendix C before you start VORSICHT Bitte lesen Sie den Abschnitt Wichtige Sicherheitshinweise sorgf ltig durch bevor Sie das Ger t einschalten AVERTISSEMENT Veuillez lire attentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Router You should place the Router in a location that m is conveniently located for connection to the telephone socket is centrally located to the wireless computers that will connect to the Router A suitable location might be on top of a high shelf or similar furniture to optimize wirel
24. 45 PPPoA 46 Bridged Mode for Single PC 47 Routing Mode over ATM 47 DNS 48 Routing 48 Static Routes 49 RIP Parameters 49 Routing Table 50 Firewall 51 Special Applications 52 Virtual Servers 53 Client IP Filters 54 Access Control 54 URL Blocking 56 Schedule Rule 57 MAC Address Filtering 59 DMZ 60 Advanced 60 SNMP 63 SNMP Community 63 SNMP Trap 64 System Tools 65 Restart Router 65 Reset to Factory Default 65 Backup Restore Settings 66 Upgrade 66 Admin Password 67 Time and Time Zone 68 Status and Logs 69 ADSL Status 69 Logs 69 TROUBLESHOOTING Basic Connection Checks 71 Browsing to the Router Configuration Screens 71 Connecting to the Internet 72 Forgotten Password and Reset to Factory Defaults 72 Wireless Networking 73 Recovering from Corrupted Software 74 Frequently Asked Questions 75 IP ADDRESSING The Internet Protocol Suite 77 Managing the Router over the Network 77 IP Addresses and Subnet Masks 77 How does a Device Obtain an IP Address and Subnet Mask 79 DHCP Addressing 79 Static Addressing 79 Auto IP Addressing 79 TECHNICAL SPECIFICATIONS OfficeConnect ADSL Wireless 11g Firewall Router 81 Standards 82 SAFETY INFORMATION END USER SOFTWARE LICENSE AGREEMENT OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product to Gain Service Benefits 91 Purchase Value Added Services 91 Troubleshoot Online 91 Access Software Downloads 92 Contact Us 92 Telephone Technical Support and Rep
25. CANI 3com OfficeConnect ADSL Wireless 11g Firewall Router User Guide 3CRWE754G72 A 3CRWE754G72 B WL 540A WL 540B http www 3com com Part No DUA 0075 4AAA01 Rev 01 Published January 2004 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 Copyright 2004 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 are unable to lo
26. Chapter 6 Troubleshooting Four LAN Status LEDs Green 100Mbps link 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 or the connected device is switched off or there is a problem with the connection refer to Chapter 6 Troubleshooting The port will automatically adjust to the correct speed and duplex Rear Panel The rear panel Figure 4 of the Router contains four LAN ports one ADSL port a reset button and a power adapter socket Figure 4 Router Rear Panel 0 0 12 VDC 1A MAX O LAN RESET e ADSL Wireless Antennae The antennae on the product should be placed in a V position when initially installed CAUTION Do not force the antennae beyond their mechanical stops Rotating the antennae further may cause damage Ethernet Ports Using suitable RJ45 cables you can connect your Router to a computer or to any other piece of equipment that has an Ethernet connection for 16 CHAPTER 1 INTRODUCING THE ROUTER 10 example a hub or a switch These ports have an automatic MDI MDIX feature which means either straight through or a crossover cable can be used Reset Button If you want to reset
27. Figure 38 Routing Table Screen gt 3com Setup Wizard FficeConnect ADSL Wireless 119 Firewall Router Flage networks Netmask Gateway Interface Metric S c 1 1 0 255 255 255 0 directly LAN 0 c 0 0 1 255 255 255 255 directly Loopback 0 Firewall From these pages you can configure settings for the firewall Figure 39 Firewall Screen ADSL Wireless 11g Firewall Router Routing Enable Firewall Firewall Enable Disable Enable Disable Special Applications Client IP Filt MAC Address Filtering _elp_ _npoir cancet DMZ Advanced System Tools Status and Logs Your Router is equipped with a firewall that will protect your network from a wide array of common hacker attacks including Ping of Death PoD and Denial of Service DoS attacks You can turn the firewall function off if needed Turning off the firewall protection will not leave your network completely vulnerable to hacker attacks but it is recommended that you turn the firewall on whenever possible 1 Enable or Disable the Firewall as required by selecting the appropriate radio button 2 Press Apply 52 CHAPTER 5 ROUTER CONFIGURATION Special Applications Figure 40 Special Applications Screen Trigger Trigger Public Port Type Ty TCP Public Port Enabled Cu Ul TCP TCP upp upp tcp tcp upp upp TCP STCP r upp upp ete nn Tp r upp C upp I
28. Forgotten Password and Reset to Factory Defaults AN If you can browse to the Router configuration screen but cannot log on because you do not know or have forgotten the password follow the steps below to reset the Router to 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 Router connection to the Internet Also other computer users will lose their network connections whilst this process is taking place so choose a time when this would be convenient 1 Remove power from the Router 2 Disconnect all your computers and the telephone line from the Router 3 Re apply power to the Router and wait for it to finish booting up Wireless Networking 73 4 Press and hold the Reset button on the rear panel see Rear Panel on page 15 for 5 seconds 5 The Router will restart and when the start up sequence has completed browse to http 192 168 1 1 and run the configuration wizard You may need to restart your computer before you attempt this 6 When the configuration wizard has completed you may reconnect your network as it was before Wireless Networking m Ensure that you have an 802 11b or 802 11g wireless adapter for each wireless computer and that it is correctly installed and configured Verify that each Wireless computer has either Windows 95 or higher or MAC OS 8 5 or higher a Ve
29. abled 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 Router 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 Launch your Web browser on the computer Enter the following URL in the location or address field of your browser http 192 168 1 1 Figure 11 The Login screen displays Figure 11 Web Browser Location Field Factory Default File Edit View Favorites Tools Help Back gt fat Search Favorites Media Address ii 168 1 4 To log in as an administrator enter the password the default password is admin in the Password field and click Log in Figure 12 28 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 12 Router Login Screen fficeConnect ADSL Wireless 119 Firewall Router Enter System Password System Password E _ default admin _tog in _cancet 5 When you have logged in either m The Status screen will appear Figure 13 Select Wizard from the menu or m f your Router has not been configured
30. air 92 GLOSSARY INDEX REGULATORY NOTICES FOR THE OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect ADSL Wireless 11g Firewall Router 3CRWE754G72 A B This guide is intended for use by those responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks and Internet Routers If a release note is shipped with the ADSL 11g Wireless Router and contains information that differs from the information in this guide follow the information in the release note Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF on the 3Com World Wide Web site http www 3com com Naming Convention Throughout this guide the OfficeConnect ADSL Wireless 11g Firewall Router is referred to as the Router Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide 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
31. al 24 1 72 hours Primary Server 132163 4102 North America Secondary Server 1925 41 41 Nornh America Daylight Savings I Enable Start Time anay AM End Time anay AM ET 19 Internet The Router keeps time by connecting to a Simple Network Time Protocol SNTP server This allows the Router to synchronize the system clock to the Internet The synchronized clock in the Router is used to record the security log and control client filtering Select the time zone that you reside in If you reside in an area that observes Daylight Saving then place a checkmark in the box next to Enable Daylight Saving The system clock may not update immediately Allow at least 15 minutes for the router to contact the time servers on the Internet and get a response You cannot set the clock yourself You can specify which SNTP servers the Router will use to update it s system clock although doing this should only be necessary if you are experiencing difficulty Status and Logs 69 Status and Logs You can use the Status pages to view version numbers for your router s software and hardware and check the status of connections to WAN LAN and WLAN interfaces ADSL Status Figure 58 ADSL Status Screen OfficeConnect abst wireless 119 Firewall Router Status Configured Current Line Status Activating Data Rate System Tools Interleaved Channel Fast Channel Data x Rate Rate 10 Kbps 0 Kbps ADSL Status L
32. anish speakers enter the URL http lat 3com com lat support form html Portuguese speakers enter the URL http lat 3com com br support form html English speakers in Latin America should send e mail to lat support anc 3com com AT amp T 800 998 2112 57 1 657 0888 AT amp T 800 998 2112 1 800 998 2112 571 657 0888 01 800 849CARE AT amp T 800 998 2112 AT amp T 800 998 2112 54 11 4894 1888 AT amp T 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 57 1 657 0888 US and Canada Telephone Technical Support and Repair 1 800 876 3266 Published 16th July 2003 802 11b 802 119 10BASE T 100BASE TX Access Point Ad Hoc mode Auto negotiation GLOSSARY The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps The standard provides for 1 2 5 5 and 11 Mbps data rates The rates will switch automatically depending on range and environment The IEEE specification for wireless Ethernet which allows speeds of 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 wire
33. antir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Router fournit et utilise de l nergie radio lectrique radio fr quence rf L utilisation de l nergie radio lectrique est interdite dans certains environnements L utilisateur devra se renseigner sur l autorisation de cette nergie dans la zone pr vue AVERTISSEMENT Faites tr s attention lors de l installation et de la d pose du groupe 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 AVERTISSEMENT l appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme CEI 60950 Ces 88 APPENDIX C SAFETY INFORMATION gt amp 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 o entretenues par les utilisateurs l int rieur du moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas
34. ate 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 a number 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 78 APPENDIX A IP ADDRESSING For your network to work correctly all devices on the network must have m The same sub network address m The same subnet mask The only value that will be different is the specific host device number This value must always be unique An example IP address is 192 168 100 8 However the size of the network determines the structure of this IP Address In using the Router you will probably only encounter two types of IP Address and subnet mask structures Type One In a small network the IP address of 192 168 100 8 is split into two parts a Part one 192 168 100 identifies the network on which the device resides m Part two 8 identifies the device within the network This type of IP Address operates on a subnet mask of 255 255 255 0 See Table 3 for an example about how a network with three computers and a Router might b
35. bps 12 Mbps and 6 Mbps The speeds supported by 802 11b are 11 Mbps 5 5 Mbps 2 Mbps and 1 Mbps In general the closer you are to the Router the better the speed If you are not achieving the speed you had anticipated then try moving the antenna on the Router or moving the Wireless computer closer to the Router In an ideal network the Router should be located in the centre of the network with Wireless computers distributed around it Applications are generally available with the computer wireless card to carry out a site survey Use this application to find the optimal siting for your wireless computer Consult your Computer Card documentation and vendor for more details Recovering from If the system software has become corrupted the Router will enter a Corrupted Software recovery state DHCP is enabled and the LAN IP address is set to 192 168 1 1 Follow the instructions below to upload a new copy of the system software to a Router unit in this state Frequently Asked Questions 75 Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD ROM The latest software is available on 3Com s Web site at www 3com com Remove power from the Router and disconnect the telephone line and all your computers except for the one computer with the software image You will need to reconfigure this computer to obtain an IP address automatically see Obtaining an IP Address A
36. cate 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 standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation ntel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and Windows NT are registered trademarks of Microsoft Corporation Novell and NetWare are registered trademarks of Novell Inc UNIX is a registered trademark in the United States and other cou
37. client list will grow to a maximum number of 253 clients Wireless 39 Wireless From these pages you can configure the settings for wireless connections Figure 23 Wireless Settings Screen ex Sscom Setup Wizard iceConnect ADSL Wireless 119 Firewall Router Enable Wireless Networking Enable Wireless Networking Enable Disable Routing i erp avoiy Gans Firewall System Tools Status and Logs This screen allows you to enable or disable the wireless section of your LAN When disabled no wireless PCs can gain access to either the Internet or other PCs on your Wired or Wireless LAN through this Router Select the required setting and press Apply Configuring Wireless Figure 24 Wireless Configuration Screen amp i 3com Setup Wizard iceConnect aosL Wireless 11g Firewall Router LAN Settings x stings Configuratio Fi OnTau Eon Wireless Settings Encryption Internet Settings Com ENABLE DISABLE System Tools Mixed 11b 119 gt GENABLE DISABLE Routing Firewall Status and Logs 1 Set the Wireless Channel you want to use from the Channel drop down list 2 Specify the SSID to be used by your Wireless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name 3 A feature of wireless networking is the ability for a wireless network adapter in a computer to look for an existing wireless network
38. communication channel to which you want your router to send status messages 3 Setthe Version field to match the version of trap messaging that your SNMP management agent supports The router supports V1 and V2c trap messaging System Tools 65 System Tools Restart Router Reset to Factory Default These pages lets you manage different parameters of the router and perform certain administrative functions Figure 52 Restart Router Screen iceConnect ADSL Wireless 119 Firewall Router Restart Router Please press the button to restart the router Internet Settings Routing Bas Firewall Restart Router Upgrade Admin Password Time Zone Status and Logs Sometimes it may be necessary to Restart or Reboot the Router Restarting or Rebooting the Router will not delete any of your configuration settings Click Restart to Restart or Reboot the Router Figure 53 Reset to Factory Default Screen ea fficeConnect abst Wireless 119 Firewall Router 3COM Setup Wizard LAN Settings Reset to Factory Defaults Using this option will restore all of the settings in the Router to the factory default Internet Settings settings It is recommended that you backup your settings before you restore all of the defaults To restore the factory default settings click the Reset button below Wireless Settings Routing Firewall Reset Router t to Factory its Status and Logs Log Out Using thi
39. ct Switch or Hub expanding the number of computers you can have in your network Figure 2 Example Network Using a Wireless DSL Router Wireless users Router Advantages 13 Router Advantages The advantages of the Router include Shared Internet connection for both wired and wireless computers High speed 802 11g wireless networking No need for a dedicated always on computer serving as your Internet connection Cross platform operation for compatibility with Windows Unix and Macintosh computers Easy to use Web based setup and configuration Provides centralization of all network address settings DHCP Acts as a Virtual server to enable remote access to Web FTP and other services on your network Security Firewall protection against Internet hacker attacks and encryption to protect wireless network traffic Package Contents The Router kit includes the following items One OfficeConnect ADSL Wireless11g Firewall Router One power adapter for use with the Router Four rubber feet One Telephone Cable One CD ROM containing this User Guide Installation Guide One Support and Safety Information Sheet One Warranty Flyer If any of these items are missing or damaged please contact your retailer 14 CHAPTER 1 INTRODUCING THE ROUTER Minimum System Your Router requires that the computer s and components in your and Component network be configured with at least the following Requirements com
40. d be displayed Select Internet Protocol TCP IP and click on Properties 24 CHAPTER 3 SETTING UP YOUR COMPUTERS Figure 8 Local Area Properties Screen Local Area Connection Properties M Y NWLink NetBIOS M NwLi 6 Ensure that the options Obtain an IP Address automatically and Obtain DNS server address automatically are both selected as shown in Figure 9 Click OK Figure 9 Internet Protocol TCP IP Properties Screen Internet Protocol TCP IP Properties 7 Restart your computer Windows XP A WN ui Windows 95 98 ME Macintosh uu BB WN Obtaining an IP Address Automatically 25 From the Windows Start menu select Control Panel Click on Network and Internet Connections Click on the Network Connections icon Double click on LAN or High Speed Connection icon A screen titled Local 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 se
41. e 44 0 1442 435529 regions call From the following countries you may use the numbers shown Austria 01 7956 7124 Luxembourg Belgium 070 700 770 Netherlands Denmark 7010 7289 Norway Finland 01080 2783 Poland France 0825 809 622 Portugal Germany 01805 404 747 South Africa Hungary 06800 12813 Spain Ireland 01407 3387 Sweden Israel 1800 945 3794 Switzerland Italy 199 161346 U K You can also obtain support in this region using the following URL http emea 3com com support email html 342 0808128 0900 777 7737 815 33 047 00800 441 1357 707 200 123 0800 995 014 9 021 60455 07711 14453 08488 50112 0870 909 3266 94 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT Telephone Number Country Telephone Number Country Latin America Telephone Technical Support and Repair Antigua 1 800 988 2112 Guatemala Argentina 0 810 444 3COM Haiti Aruba 1 800 998 2112 Honduras Bahamas 1 800 998 2112 Jamaica Barbados 1 800 998 2112 Martinique Belize 52 5 201 0010 Mexico Bermuda 1 800 998 2112 Nicaragua Bonaire 1 800 998 2112 Panama Brazil 0800 13 3COM Paraguay Cayman 1 800 998 2112 Peru Chile AT amp T 800 998 2112 Puerto Rico Colombia AT amp T 800 998 2112 Salvador Costa Rica AT amp T 800 998 2112 Trinidad and Tobago Curacao 1 800 998 2112 Uruguay Ecuador AT amp T 800 998 2112 Venezuela Dominican Republic AT amp T 800 998 2112 Virgin Islands You can also obtain support in this region using the following Sp
42. e configured Table 3 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 Router 192 168 100 72 255 255 255 0 Type Two In larger networks where there are more devices the IP address of 192 168 100 8 is again split into two parts but is structured differently Part one 192 168 identifies the network on which the device resides a Part two 100 8 identifies the device within the network How does a Device Obtain an IP Address and Subnet Mask 79 This type of IP Address operates on a subnet mask of 255 255 0 0 See Table 4 for an example about how a network only four computers represented and a Router might be configured Table 4 IP Addressing and Subnet Masking Device IP Address Subnet Mask PC 1 192 168 100 8 255 255 0 0 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 Router 192 168 002 72 255 255 0 0 How does a Device Obtain an IP Address and Subnet Mask DHCP Addressing Static Addressing Auto IP Addressing There are three different ways to obtain an IP address and the subnet mask These are Dynamic Host Configuration Protocol DHCP Addressing a Static Addressing m Automatic Addressing Auto IP Addressing The Router contains a DHCP server which allows computers on your network to obtain an IP address and
43. e documents a ANSI C63 4 1992 Methods of Measurement 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 107 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 ADSL 11g Wireless Router is far below the FCC radio frequency exposure limits Nevertheless the 3Com OfficeConnect ADSL Wireless 11g Firewall Router 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 FCC A 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 RF Exposure q Compliance Statement U S CAUTION The 3Com OfficeConnect ADSL Wireless 11g Firewall Router has been certified as a mobile computing device as per FCC Section 2 1091 In order to comply with the FCC RF exposure requirements the 3Com ADSL 11g Wireless Router must only be installed with approved a
44. eck box to enable any PC on the network to remotely manage your Router m Enter one specific IP address that can remotely manage your router This is more secure as only the specified IP address will be able to manage the Router SNMP 63 SNMP SNMP Community SNMP Simple Network Management Protocol allows remote management of your router by a PC that has an SNMP management agent installed Figure 50 SNMP Community Screen Community pubiic Read gt private Write To Configure SNMP In the Community column enter the name of the SNMP communication channel Your SNMP management agent needs to be configured with this name so that it can communicate with your router In the Access column select Read to allow the management agent to collect data for example bandwidth usage from your router Select Write to allow the management agent to change the configuration of your router Check the appropriate Valid checkbox to enable the communication channel 64 CHAPTER 5 ROUTER CONFIGURATION SNMP Trap Figure 51 SNMP Trap Screen Disabled Disabled gt Disabled You can configure your router to send status messages to the SNMP management agent if a problem occurs on the network To configure traps 1 In the IP Address field enter the IP address of the PC to which you want your router to send status messages 2 In the Community field enter the name of the SNMP
45. ed U S Department of Commerce export license and appropriate foreign export or import license as required You agree that you will not export or re export the Technical Data or any copies thereof or any products utilizing the Technical Data in violation of any applicable laws or regulations of the United States or the country where you legally obtained it You are responsible for obtaining any licenses to export re export or import the Technical Data n addition to the above the Product may not be used exported or re exported i into or to a national or resident of any country to which the U S has 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 90 APPENDIX D END USER SOFTWARE LICENSE AGREEMENT and developed solely at private expense The Software is delivered as Commercial Computer So
46. entation subject to the terms and restrictions set forth in this Agreement You are not permitted to lease rent distribute or sublicense except as specified herein the Software or Documentation or to use the Software or Documentation in a time sharing arrangement or in any other unauthorized manner Further no license is granted to you in the human readable code of the Software source code Except as provided below this Agreement does not grant you any rights to patents copyrights trade secrets trademarks or any other rights with respect to the Software or Documentation Subject to the 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
47. er that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions WARNING There are no user replaceable fuses or user serviceable parts inside the Router If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide contact your supplier WARNING Disconnect the power adapter before moving the unit 86 APPENDIX C SAFETY INFORMATION AN WARNING RJ 45 ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets Only connect RJ 45 data connectors to these sockets Wichtige Sicherheitshinweise gt PPP gt VORSICHT Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen m ssen Alle Anweisungen sind sorgf ltig zu befolgen Sie m ssen die folgenden Sicherheitsinformationen sorgf ltig durchlesen bevor Sie das Ger ts installieren oder ausbauen VORSICHT Der Router erzeugt und verwendet Funkfrequenz RF In manchen Umgebungen ist die Verwendung von Funkfrequenz nicht gestattet Erkundigen Sie sich bei den zust ndigen Stellen ob die Verwendung von Funkfrequenz in dem Bereic
48. ess 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 a allows easy viewing of the front panel LED indicator lights and access to the rear panel connectors if necessary 18 CHAPTER 2 HARDWARE INSTALLATION Using the Rubber Feet When positioning your Router ensure tis out of direct sunlight and away from sources of heat m Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers m Water or moisture cannot enter the case of the unit Air flow around the unit and through the vents in the side of the case is not restricted 3Com recommends you provide a minimum of 25 mm 1 in clearance Use the four self adhesive rubber feet to prevent your Router from moving around on your desk or when stacking with flat top units Only stick the feet to the marked areas at each corner of the underside of your Router Powering Up the Router To power up the Router Plug the power adapter into the power adapter socket located on the back panel of the Router Plug the power adapter into a standard electrical wall socket Connecting the Router The first step for installing your Router is to physically connect it to the telephone socket and then connect it to a com
49. ets 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 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 Media Access Control A protocol specified by the IEEE for determining which devices have access to a network at any one time MAC Address NAT Network Network Interface Card NIC Protocol PPPOE PPTP RJ 45 Router GLOSSARY 99 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 Tra
50. ettings Enter the IP address in the space provided for the internal machine Enter the port type TCP UDP or both TCP and UDP Specify the Public port that will be seen by clients on the Internet and the LAN port which the traffic will be routed to 4 You can enable or disable each Virtual Server entry by checking or unchecking the appropriate Enable checkbox 5 Click Apply to save the changes for each Virtual Server entry 54 CHAPTER 5 ROUTER CONFIGURATION Client IP Filters Access Control The Router can be configured to restrict access to the Internet e mail or other network services at specific days and times Restriction can be set for a single computer a range of computers or multiple computers Figure 42 Access Control Screen OfficeConnect aos Wireless 11g Firewall Router Client IP Filters Internet Settings Routing Special Applications Tital Sener Enable Filtering Function Enable Filtering Function Enable Disable Client IP ers MAC Address Filtering ae Client PC Description client pc IP Advanced Address Schedule Configure Rule CONN System Tools Status and Logs aad pc Add PC Log Out Access Control allows users to define the traffic type permitted or not permitted to the Internet This screen allows you to enable or disable all Access Control rules Select the appropriate Enable Filtering Function radio button and click Apply to save the settings
51. ewall 53 4 Click Apply Virtual Servers Figure 41 Virtual Servers Screen 3com Setup Wizard OfficeConnect AosL wireless 11g Firewall Router LAN Settings LAN Port Public Port Enabled T NoJLAN IP Address ype Special A 19216811 TCP UDP 192 1681 amp TCP UDP 192 1681 Tcp UDP 1921681 Tcp upp ig21681f TCP Cupp 192168 1 TCP C vor 192168 1 TCP vor 192168 1 TCP C vor 192 1681 TCP UDP 1921681 TCP C UDP 1921681 amp TcP UDP 192 1681 TCP UDP 192168 1 amp TCP UDP 192 1681 TCP UDP 1921681 Tcp upp 1921681 TCP C UDP 109 1494 tcp C uno Done OOE T Internet Virtual Client 1 MAC Addres DMZ Advanced SNMP System Tools Status Blolmlslaluleluls ajajajalalalaljlajlajajalalalaolal s This function will allow you to route external Internet calls for services such as a web server port 80 FTP server Port 21 or other applications through your Router to your internal network Since your internal computers are protected by a firewall machines from the Internet cannot get to them because they cannot be seen If you need to configure the Virtual Server function for a specific application you will need to contact the application vendor to find out which port settings you need To manually enter s
52. ftware as defined in DFARS 252 227 7014 June 1995 or as acommercial 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 o
53. h in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausbau des Ger ts ist mit h chster Vorsicht vorzugehen VORSICHT Aufgrund von internationalen Sicherheitsnormen darf das Ger t nur mit dem mitgelieferten Netzadapter verwendet werden VORSICHT Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden VORSICHT Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden 87 VORSICHT Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerdt vorhanden Wenn Sie ein Problem mit dem Router haben das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann setzen Sie sich mit Ihrem Lieferanten in Verbindung VORSICHT Vor dem Ausbau des Ger ts das Netzadapterkabel herausziehen VORSICHT RJ 45 Anschl sse Dies sind abgeschirmte RJ 45 Datenbuchsen Sie k nnen nicht als Telefonanschlu buchsen verwendet werden An diesen Buchsen d rfen nur RJ 45 Datenstecker angeschlossen werden Consignes importantes de securite AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour gar
54. in93729 z Copy to 18 one copy to Advanced System Tools MAC Address Status and Logs Log Out TT a Blei Oe The MAC Address Filter is a powerful security feature that allows you to specify which computers are allowed on the Wireless network Any wireless computers attempting to access the network that are not specified in the filter list will be denied access To Enable or Disable this feature select the appropriate Enable MAC Address Filtering radio button and click Apply When you enable this feature you must enter the MAC address of each client on your network to allow network access Alternatively you can copy the MAC address by selecting the name of the computer from the DHCP Clients List and then location in the MAC Address Filter table and then click Copy To Click Apply to save the settings 60 CHAPTER 5 ROUTER CONFIGURATION DMZ Advanced Figure 48 DMZ Screen OfficeConnect ADSL Wireless 11g Firewall Router Enable DMZ DMZ C ENABLE DISABLE Public IP static IP 192 168 1 11921681 192 168 1 192 168 1 192 168 1 192 1681 192 16810 192 168 1 Elone FIT 0 internet If you have a client PC that cannot run an Internet application properly from behind the firewall you can open the client up to unrestricted two way Internet access This may be necessary if the NAT feature is causing problems with an application such as a game or
55. ld Enter the port that the RADIUS server is operating on in the RADIUS Port field 44 CHAPTER 5 ROUTER CONFIGURATION 3 Enter the key for the RADIUS server in the RADIUS Key field 4 By default the WPA keys are changed every hour but if you wish to change this you can do so by specifying the required time in the Re key Interval field in minutes 5 Click Apply Internet Settings From these pages you can configure the settings for your DSL connection Connection Type Figure 30 Connection Type Screen OfficeConnect abs Wireless 119 Firewall Router Select your connection type PPPoE PPPoA Bridge Mode For a single PC Routing Mode over ATM The Connection Type screen is used to configured the parameters for your DSL connection The information necessary to complete these screens should be obtained from your ISP First select the DSL connection mode from the four options available m PPPoE PPP over Ethernet providing routing for multiple PCs see page 45 PPPoA PPP over ATM providing routing for multiple PCs see page 46 m Bridge Mode for a single PC RFC1483 Bridged Mode for single PCs only see page 47 m Routing Mode over ATM RFC 1483 Routed Mode for multiple PCs see page 47 Click Next PPPOE Internet Settings 45 Figure 31 PPPoE Settings Screen OfficeConnect ADSL Wireless 11g Firewall Router PPPoE Parameters User Name Password Retype Password IP assig
56. less clients and which acts as a bridge between wireless clients and a wired network such as Ethernet Wireless clients can be moved anywhere within the coverage area of the access point and still connect with each other If connected to an Ethernet network the access point monitors Ethernet traffic and forwards appropriate Ethernet messages to the wireless network while also monitoring wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN Ad Hoc mode is a configuration supported by most wireless clients It is used to connect a peer to peer network together without the use of an access point It offers lower performance than infrastructure mode which is the mode the router uses see also Infrastructure mode Some devices in the range support auto negotiation Auto negotiation is where two devices sharing a link automatically configure to use the best 96 GLOSSARY Bandwidth Category 3 Cables Category 5 Cables Channel Client DHCP DNS Server Address 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
57. n Contracts for the International Sale of Goods SEVERABILITY In the event any provision of this Agreement is found to be invalid illegal or unenforceable the validity legality and enforceability of any of the remaining provisions shall not in any way be affected or impaired and a valid legal and enforceable provision of similar intent and economic impact shall be substituted therefor ENTIRE AGREEMENT This Agreement sets forth the entire understanding and agreement between you and 3Com and supersedes all prior agreements whether written or oral with respect to the Software and Documentation and may 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 350 Campus Drive Marlborough MA USA 01752 3064 D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product to Gain Service Benefits To take advantage of warranty and other service benefits you must first register your product at http eSupport 3com com 3Com eSupport services are based on accounts that you create or have authorization to access First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration Repair Services and Service Request Purchase Value Added Services To enhance response times o
58. ned by ISP IP Address Subnet Mask VPI VCI Encapsulation Dial on Demand Idle Time Minute MTU Enter the User Name assigned to you by your ISP in the User Name field Enter the Password assigned to you by your ISP in the Password field Re enter your password in the Retype Password field If your ISP assigns your IP address dynamically then select Yes in the P assigned by ISP field and proceed to step 4 If your ISP has assigned you a fixed or static IP address select No in the P assigned by ISP field Then enter the IP address and Subnet Mask information provided by your ISP into the P address and Subnet Mask fields Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields Select the encapsulation type LLC or VC MUX in the Encapsulation Type field This information will have been provided to you by your ISP If you want your Router to connect to the Internet every time a PC needs to access it check the Dial on Demand checkbox If this box is not checked then you will have to manually connect and disconnect using the buttons on the Status Screen see page 35 If you want your Router to automatically disconnect from the Internet automatically after a period of inactivity specify a time in the Idle Time Minutes field Enter a value of O to disable this timeout 46 CHAPTER 5 ROUTER CONFIGURATION 8 Click Apply PPPoA Figure 32 PPPoA Settings Screen PPPoA Routing Mode for mul
59. new Password fields Click Apply The login timeout option allows you to set the period of time that you can be logged into the Router s setup interface The timer starts when there is no activity For example you have made some changes in the setup interface then left your computer alone without clicking Logout Assuming the timeout is set to 5 minutes then 5 minutes after you leave the login session will expire You will have to login to the router again to 68 CHAPTER 5 ROUTER CONFIGURATION Time and Time Zone make any more changes The login timeout option is for security purposes and the default is set to 5 minutes As a note only one computer can be logged into the Router s web management interface at one time Figure 57 Ko 3com Setup Wizard LAN Settings Wireless Internet Settings Routing Firewall SNMP Restart Router Reset to Factory Defaults Backup Restore Settings Upgrade Admin Password Time Zone Status and Logs Log Out Time and Time Zone screen Current time August 1 2003 12 10 47 AM Whenever Using Time Server is enabled you should also choose the time zone that is starting date time if the router is not using time server or not able to get date time from time server once the router restarted Base Date August i of e003 Base Time rg I a Any Using Time Server NTP Enable Set Time Zone GMT 08 00 Pacific Time US amp Canada Tijuana synchronization Interv
60. nfiguration use the new IP address instead When you have browsed to the Router log in using your system password default password is admin At the left side of all screens is a main menu as shown in Figure 20 on page 36 When you click on a topic from the main menu that page will appear in the main part of the screen Status Screen The Status screen allows you to view a summary of the Router configuration including the current Router status 36 CHAPTER 5 ROUTER CONFIGURATION Status Figure 20 Status Screen OfficeConnect aDSL Wireless 119 Firewall Router Setup Wizard LAN Settings i General Information 3C number BCRWE754672 A Internet Settings Software version 1 06 Jan 2 2004 11 15 05 Routing Boot loader version V1 4 Wireless version 1 0 4 3 ADSL modem version 13 9 38 Hardware version 0a Serial number 7VCF399A732A4 Wireless Settings Firewall System Tools ADSL Status J Access From The Internet Firewall Enabled Log out Universal Plug amp Play Disabled Discard ping from the Internet Yes Logs internet Settings WAN Connection Type PPPOE Status DISCONNECTED Internet IP address NA Subnet Mask NA ISP Gateway Address NA NA NA WAN MAC Address 00 0D 54 A7 32 A4 LAN Settings LAN IP address 192 168 1 1 LAN Subnet Mask 255 255 255 0 DHCP Server Enabled DHCP Range 192 168 1 2 192 168 1 254 LAN MAC Addrace AA NN 6a A7 29 Aa Elone ET 1 Internet There are two button
61. niversal plug and play A computer in a network that is shared by multiple end stations Servers provide end stations with access to shared network services such as computer files and printer queues Service Set Identifier Some vendors of wireless products use SSID interchangeably with ESSID An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple physical networks A subnet mask which may be a part of the TCP IP information provided by your ISP is a set of four numbers configured like an IP address It is used to create IP address numbers used only within a particular network as opposed to valid IP address numbers recognized by the Internet which must assigned by InterNIC A network that is a 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
62. nnect apsL Wireless 11g Firewall Router Client IP Filters Routing Special Applications Rule Name Rule Comment Configure _tetp_ _avoty_ cancer The Router can be configured to restrict access to the Internet e mail or other network services at specific days and times These schedule rules are used by the rules defined on the Access Control page see Access Control on page 54 To add a schedule rule 1 Click Add Rule A screen similar to that shown below will appear 58 CHAPTER 5 ROUTER CONFIGURATION Figure 46 Add Schedule Rule Screen fficeConnect aps wireless 119 Firewall Router Client IP Filters Week Day e hh mm End Time hh mm Every Day Sunday Monday Tuesday Wednesday Thursday Friday ACT AA Saturday 2 Enter aname and comment for the schedule rule in the Name and Comment fields 3 Specify the schedule rules for the required days and times note that all times should be in 24 hour format 4 Click Apply MAC Address Filtering Firewall 59 Figure 47 MAC Address Filtering Screen amp d 3com Setup Wizard OfficeConnect ADSL Wireless 119 Firewall Router Routing Enable MAC Address Filtering ewall Enable MAC Address Filtering C Enable Disable Special Applications Access rule for registered MAC address Allow C Deny Virtual n SE Fu MAC Address Filtering List ee HERR Wireless DHCP Client List ip 192 168 1 3 name RobertW
63. nslation NAT enables all the computers on your network to share one IP address The NAT capability of the Router allows you to access the Internet from any computer on your home network without having to purchase more IP addresses from your ISP A Network is a collection of computers and other computer equipment that are connected for the purpose of exchanging information or sharing resources Networks vary in size some are within a single room others span continents A circuit board installed into a piece of computing equipment for example a computer that enables you to connect it to the network A NIC is also Known as an adapter or adapter card A set of rules for communication between devices on a network The rules dictate format 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 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 100 GLOSSARY Server SSID Subnet Address Subnet mask Subnets Switch TCP IP Traffic u
64. nt set includes one Installation Guide This guide contains the instructions you need to install and configure your Router 10 ABOUT THIS GUIDE INTRODUCING THE ROUTER 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 OfficeConnect ADSL Wireless11g Firewall Router The OfficeConnect ADSL Wireless1 1g Firewall Router is designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Router also provides protection in the form of an electronic firewall preventing anyone outside of your network from seeing your files or damaging your computers The Router can also prevent your users from accessing Web sites which you find unsuitable Figure 1 shows an example network without a Router In this network only one computer is connected to the Internet This computer must always be powered on for the other computers on the network to access the Internet 12 CHAPTER 1 INTRODUCING THE ROUTER Figure 1 Example Network Without a Gateway DSL modem When you use the Router in your network Figure 2 it becomes your connection to the Internet Connections can be made directly to the Router or to an OfficeConne
65. ntennas and a minimum separation distance of 20 cm 8 in must be maintained from the antenna to any nearby persons 108 Or 3COM 3Com Corporation Corporate Headquarters 350 Campus Drive Marlborough MA USA 01752 3064 To learn more about 3Com products and services visit our World Wide Web site at www 3com com All specifications are subject to change without notice Copyright 2004 3Com Corporation All rights reserved 3Com and are registered trademarks of 3Com Corporation All other company and product names may be trademarks of their respective companies DUA0075 4AAA01 Rev 01
66. ntries licensed exclusively hrough X Open Company Ltd Netscape Navigator is a registered trademark of Netscape Communications avaScript is a trademark of Sun Microsystems Wi Fi and the Wi Fi logo are registered trademarks of the WI Fi Alliance EEE and 802 are trademarks of the Institute of Electrical and Electronics Engineers Inc All other company and product names may be trademarks of the respective companies with which they are associated ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations To uphold our policy we are committed to Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations Reducing the waste generated by all operations Ensuring that all waste conforms to recognized environmental standards Maximizing the recyclable and reusable content of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labelled according to recognized environmental standards Improving our environmental record on a continual basis End of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all end of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Statement abo
67. ogs Operation Data Upstream Downstream Noise Margin 0 5 dB 0 5 dB Output Power 0 5 dBm 0 5 dem Attenuation 0 5 dB 0 5 dB ndica _ Near End Indicator Far End Indicator Fast Path FEC Correction Interleaved Path FEC Correction rast Path ERE Era S525 Interleaved Path CRC Error Loss of Signal Defect 65535 65535 65535 65535 lo 65535 65535 Loss of Frame Defect This screen shows modem status and statistics Logs Figure 59 Logs Screen 0 3C0M Setup Wizard OfficeConnect aps wireless iig Firewall Router LAN Settings Wireless Settings Internet Settings Security Log Lang Er 9 sending ACK to 192 168 1 3 Firewall al 4 sending ACK to 192 168 1 3 System Tools 00 37 sending ACK to 192 168 1 00 37 sending OFFER to 192 168 1 3 This screen shows any attempts that have been made to gain access to your network as well as the system activities Click Refresh to update the display 70 CHAPTER 5 ROUTER CONFIGURATION Click Clear to clear the log note that all current entries will be erased Click Save to save the log to disk in a text file When prompted for a location to save the file to specify a filename and location and then click OK TROUBLESHOOTING Basic Connection Checks m Check that the Router is connected to your computers and to the telephone line and that all the equipment is powered on Check that the LAN Status and DSL LEDs on the Router are illuminated and that
68. ottom Make sure that the Proxy Server option is unchecked 72 CHAPTER 6 TROUBLESHOOTING f you cannot browse to the Router use the winipcfg utility in Windows 95 98 ME to verify that your computer has received the correct address information from the Router From the Start menu choose Run and then enter winipefg Check that the computer has an IP address of the form 192 168 1 xxx where xxx is in the range 2 254 the subnet mask is 255 255 255 0 and the default Router is 192 168 1 1 the address of the Gateway If these are not correct use the Release and Renew functions to obtain a new IP address from the Router Under Windows 2000 and Windows XP use the ipconfig command line utility to perform the same functions Connecting to the Internet If you can browse to the Router configuration screens but cannot access sites on the Internet check the following Confirm that the physical connection between the Router and the telephone line is OK and that the DSL LED on the Router is illuminated m Ensure that you have entered the correct information into the Router configuration screens as required by your Internet Service Provider Use the Internet Settings screen to verify this m Check that the PPPoE or PPPoA user name and password are correct m 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
69. our ISP Please select the Internet sharing protocol G PPPoE le PPPoA c Bridge Mode For a single PC ai Routing Mode over ATM Next gt Internet 30 CHAPTER 4 RUNNING THE SETUP WIZARD The DSL Mode window allows you to set up the Router for the type of Internet connection you have Before setting up your DSL connection mode have your account information from your ISP ready Select a DSL mode from the following PPPOE see page 30 PPPOA see page 31 RFC 1483 Bridged see page 32 RFC 1483 Routed see page 31 and click Next For further information on selecting a mode see Internet Settings on page 44 PPPoE Mode Figure 15 PPPoE Screen The following information are usually provided by your ISP Username Password Retype Password VPIVCI Zore MO Te internet To setup the router for use with a PPP over Ethernet PPPoE connection use the following procedure 1 Enter your PPP over Ethernet user name in the Username text box 2 Enter your PPP over Ethernet password in the Password text box Accessing the Wizard 31 3 Re type your PPP over Ethernet password in the Retype Password text box 4 Enter your VPI and VCI information in the VPI VC text boxes 5 Check all of your settings and then click Next PPPoA Mode Figure 16 PPPOA Screen fficeConnect ADSL wireless 119 Firewall Router Setup Wizard Parameter Settings The following information are usually provided by your ISP Retype Pas
70. plitter Plan Old Telephone interface Device NID u Ethemet hub or switch You have now completed the hardware installation of your Router Next you need to set up your computers so that they can make use of the Router to communicate with the Internet 3Com recommends that you perform the initial Router configuration from a computer that is directly connected to one of the LAN ports If you configure the Router from a wireless computer note that you may lose contact with the Router if you change the wireless configuration To communicate wirelessly with your Router your wireless NIC should be set as follows m Encryption none a SSID 3Com Channel 11 22 CHAPTER 2 HARDWARE INSTALLATION SETTING UP YOUR COMPUTERS The Router has the ability to dynamically allocate network addresses to the computers on your network using DHCP However your computers need to be configured correctly for this to take place To change the configuration of your computers to allow this follow the instructions in this chapter Obtaining an IP Address Automatically Windows 2000 uu BB WN If you are using a Windows 2000 based computer use the following procedure to change your TCP IP settings From the Windows Start Menu select Settings gt Control Panel Double click on Network and Dial Up Connections Double click on Local Area Connection Click on Properties A screen similar to Figure 8 shoul
71. puter in order to be able to access the Internet See Figure 5 Connecting the Router 19 Figure 5 Connecting the Gateway Power Supply Unit ADSL 11g Wireless Router Wireless Users Your PC 3 Run the provided telephone cable from the wall jack providing ADSL service to the ADSL port on your ADSL Router When inserting an ADSL RJ 11 plug be sure the tab on the plug clicks into position to ensure that it is properly seated If you are using splitterless ADSL service add low pass filters between the ADSL wall jack and your telephones These filters pass voice signals through but filter data signals out Either If you are using a full rate G dmt connection your service provider will attach the outside ADSL line to a data voice splitter In this case you can connect your phones and computer directly to the splitter as shown below Figure 6 20 CHAPTER 2 HARDWARE INSTALLATION Figure 6 Installing with a splitter Plain Old Telephone System POTS Interface Device NID ADSL Router a Ethemet hub or switch or If you are using a splitterless G lite connection then your service provider will attach the outside ADSL line directly to your phone system In this case you can connect your phones and computer directly to the incoming ADSL line but you will have to add low pass filters to your phones as shown below Figure 7 Connecting the Router 21 Figure 7 Installing without a s
72. puter 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 Router An 802 11b or 802 11g wireless NIC m An active ADSL subscription and connection m A Web browser that supports JavaScript such as Netscape 4 7 or higher Internet Explorer 5 0 or higher or Mozilla 1 2 1 or higher Front Panel The front panel of the Router contains a series of indicator lights LEDs that help describe the state of various networking and connection operations Figure 3 Router Front Panel 2 a o 0 o 3CRWE754G72 A x em ET N Green Link Flash Activity OfficeConnect ADSL Wireless 11g Firewall Router 3 C 0 m 1 Power LED Green Indicates that the Router is powered on 2 DSLSync LED Green If the LED is on it indicates that DSL connection is present This LED s flashes during configuration at power up 3 DSL Online LED Green Rear Panel 15 If this LED illuminates successful Username Password has been authenticated with your ISP Wireless LAN WLAN Status LED Green If the LED is on it indicates that wireless networking is enabled If the LED is flashing the link is OK and data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Router or there is a problem Refer to
73. r extend warranty benefits contact 3Com or your authorized 3Com reseller Value added services can include 24x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced engineers are available to manage your installation with minimal disruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the success of your networking projects More information on 3Com Extended Warranty and Professional Services is available at http www 3com com Contact your authorized 3Com reseller or 3Com for additional product and support information Troubleshoot Online You will find support tools posted on the 3Com web site at http www 3com com 3Com Knowledgebase helps you troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com and contains thousands of technical solutions written by 3Com support engineers a Connection Assistant helps you install configure and troubleshoot 3Com desktop and server NICs wireless cards and Bluetooth devices This diagnostic software is located at 92 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT http www 3com com prodforms software connection assistan t ca thankyou html Access Software Downloads Software Updates are the bug fix maintenance releases for the version of software initially purchased with the product In order to access these
74. rate mie nor canon WPA with RADIUS Server Wireless 43 WEP is the basic mechanism to transmit your data securely over the wireless network Matching encryption keys must be setup on your Router and wireless client devices to use WEP You can either enter your WEP key as 5 pairs of hex digits 0 9 A F or enter a memorable passphrase in the Passphrase box and then click Generate to generate the hex keys from the passphrase For 64 bit WEP you can enter up to four keys in the fields Key 1 to Key 4 The radio button on the left hand side selects the key that is used in transmitting data Note that all four WEP keys on each device in the wireless network must be identical Click Apply Figure 29 WPA with RADIUS Server Screen OfficeConnect aps Wireless 11g Firewall Router WPA WiFi Protected Access Security Mode WPA with Radius Server Encryption technique TKIP RADIUS Server 192 fpes fi I Radius Port 1812 Radius Key Re Key Interval 13600 Seconds WPA Wireless Protected Access provides dynamic key changes and constitutes the best security solution In a wireless network where not all devices support WPA WEP Wired Equivalent Privacy should be used Wireless Protected Access using a server to distribute keys to the clients This option requires that a Radius server is running on the network Enter the IP address of the RADIUS server on your network into the RADIUS Server fie
75. ress of the Gateway is 192 168 1 1 If you want to use the Gateway as a DHCP Server click in the On check radio button If you need to you can change the range of addresses given out by the Router by changing the P Pool Starting Address and IP Pool Ending Address fields Specify the DHCP Lease time by selecting the required value from the Lease Time drop down list The lease time is the length of time the DHCP server will reserve the IP address for each computer Specify the Local Domain Name for your network This step is optional Check all of your settings and then click Apply The DHCP server will give out addresses to both wired and wireless clients 38 CHAPTER 5 ROUTER CONFIGURATION DHCP Clients List Figure 22 DHCP Clients List Screen OfficeConnect aps Wireless 119 Firewall Router IP Address Host Name MAG Address client Type GREEBO 00 CO 4F 68 59 B7 RobertWin93729 00 0B AC E7 29 53 The DHCP Clients List provides details on the devices that have received IP addresses from the Router The list is only created when the Router is set up as a DHCP server For each device that is connected to the LAN the following information is displayed m P address The Internet Protocol IP address issued to the client machine a Host Name The client machine s host name if configured m MAC Address The Media Access Control MAC address of the client s network card As you connect more devices the
76. rify that your wireless computers are configured to work in Infrastructure mode and not Ad Hoc mode The Router contains an Access Point that is designed to operate in Infrastructure mode Ad Hoc mode is not supported by the Router a If you have a wired and a wireless NIC in the same computer ensure that the wired NIC is disabled m Check the status of the Router Wireless LED it should be lit if wireless is enabled and will flash when there is wireless activity If not lit go to Wireless on page 39 and enable wireless networking m Ensure that the TCP IP settings for all devices are correct m Ensure that the Wireless Clients are using the same SSID or Service Area Name as the Router The SSID is case sensitive m Ensure that the encryption method and level that you use on your clients are the same as those configured on the Router The Router cannot simultaneously support WPA and WEP encryption a Ensure that you have the Wireless computer enabled in the list of allowed MAC addresses if you are using MAC Address Filtering on the Router f you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Router For more effective coverage you can try reorientating your antennae Place one antenna vertically and one horizontally to improve coverage 74 CHAPTER 6 TROUBLESHOOTING Additionally consider moving the wireless computer closer to the Router to confirm that
77. rom seeing your files or damaging your computers A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput of a link A system that allows packets to transmitted and received but not at the same time Contrast with full duplex A device that regenerates LAN traffic so that the transmission distance of that signal can be extended Hubs are similar to repeaters in that they connect LANs of the same type however they connect more LANs than a repeater and are generally more sophisticated 98 GLOSSARY IEEE IETF Infrastructure mode IP Address ISP LAN MAC 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 Router You will need to ensure all of your clients are set up to use infrastructure mode in order for them to communicate with the Access Point built into your Router see also Ad Hoc mode Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of pack
78. roperly This usually requires opening TCP and UDP ports and in some instances setting trigger ports An application that is Universal Plug and Play compliant has the ability to communicate with the Router basically telling the Router which way it needs the firewall configured The 62 CHAPTER 5 ROUTER CONFIGURATION gt Router ships with the Universal Plug and Play feature disabled If you are using any applications that are Universal Plug and Play compliant and wish to take advantage of the Universal Plug and Play features you can enable this feature Simply select Enable in the UPnP Enabling section of the Utilities page Click Apply to save the change WAN Ping Blocking Computer hackers use what is known as Pinging to find potential victims on the Internet By pinging a specific IP address and receiving a response from the IP address a hacker can determine that something of interest might be there The Router can be set up so it will not respond to an ICMP Ping from the outside This heightens the level of security of your Router To turn off the ping response select Block ICMP Ping and click Apply the router will not respond to an ICMP ping from the Internet Remote Administration Before you enable this function ensure that you have set the Administration Password Remote Administration allows you to make changes to your Router settings from anywhere on the Internet You can choose to either Click the ch
79. s on this screen Connect and Disconnect These buttons allow you to manually connect or disconnect your router from your ISP s service LAN Setup Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network The factory default settings for the DHCP server will work in most any application If you need to make changes to the settings you can do so The changes that you can make are m Change the Internal IP address of the Router The default 192 168 1 1 m Change the Subnet Mask The default 255 255 255 0 m Enable Disable the DHCP Server Function Default ON Enabled m Specify the Starting and Ending IP Pool Address Default Starting 2 Ending 254 m Specify the IP address Lease Time Default Half day m Specify a local Domain Name Default NONE m To make changes click LAN Settings on the LAN tab to the left LAN Settings LAN Setup 37 The Router will also provide you with a list of all client computers connected to the network To view the list click DHCP clients list Figure 21 LAN Settings Screen LAN Configuration DHCP Server Parameters DHCP server IP Pool Start Address IP Pool End Address Lease Time The LAN Settings screen is used to specify the LAN IP address of your Router and to configure the DHCP server Select LAN Settings and then specify the Router P Address and Subnet Mask in the appropriate fields The default IP add
80. s option will reset all of the settings in the Router to the factory default settings It is recommended that you backup your settings 66 CHAPTER 5 ROUTER CONFIGURATION before you restore all of the defaults To restore the factory default settings click Reset Backup Restore Figure 54 Backup Restore Settings Screen Settings OfficeConnect aps Wireless tig Firewall Router Backup Settings You can save your current configuration by using this feature Saving your configuration will allow you to restore it later if your settings are lost or changed It is recommended that you backup your current configuration before performing a firmware update Routing Firewall Save rt Router ta Factory Restore Settings z Defaul This option will allow you to restore a previously saved configuration Please select the configuration file and press the Restore button below Backup Restore Settin D Restore You can save your current configuration by using this feature Saving your configuration will allow you to restore it later if your settings are lost or changed It is recommended that you backup your current configuration before performing a firmware update This option will allow you to restore a previously saved configuration Please select the configuration file and click Restore Upgrade Figure 55 Upgrade Screen ex 3com Setup Wizard fficeConnect aDst Wireless 119 Firewall Router Upgrade Firmware This allows
81. sed 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 102 GLOSSARY INDEX A Addresses IP 77 Automatic Addressing 79 C Cable Specifications 83 Channels 105 Conventions notice icons About This Guide 8 text About This Guide 8 D DHCP 38 79 DHCP Server 25 DNS 24 Dynamic IP Address 31 F Forgotten Password 72 Internet addresses 77 IP Address 37 77 LED 14 N Network addresses 77 Networking wireless 73 NIC wireless 14 P Password 27 PPPoE 26 30 31 R Reset to Factory Defaults 72 S Safety Information 17 Setup Wizard 27 Specifications technical 81 Static Addressing 79 Subnet Mask 77 Summary 33 T TCP IP 23 25 77 Technical specifications 81 standards 81 W Web Proxy 26 Wireless LED 15 networking 73 NIC 14 104 INDEX REGULATORY NOTICES FOR THE OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER Channels Use of the OfficeConnect ADSL Wireless 11g Firewall Router is
82. 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 acquire an address using DHCP but are unable to contact a DHCP server Automatic IP addressing is a scheme where devices allocate themselves 80 APPENDIX A IP ADDRESSING an IP address at random from the industry standard subnet of 169 254 x x with a subnet mask of 255 255 0 0 If two devices allocate themselves the same address the conflict is detected and one of the devices allocates itself a new address Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000 TECHNICAL SPECIFICATIONS This section lists the technical specifications for the OfficeConnect ADSL Wireless 11g Firewall Router OfficeConnect ADSL Wireless 11g Firewall Router Interfaces DSL connection LAN connection four 10Mbps 100Mbps dual
83. sword VPI VCI El Done PTT fap internet To setup the router for use with a PPP over ATM PPPoA connection use the following procedure 1 Enter your PPP over ATM user name in the Username text box 2 Enter your PPP over ATM password in the Password text box 3 Re type your PPP over ATM password in the Retype Password text box 4 Enter your VPI and VCI information in the VPI VCI text boxes Check all of your settings and then click Next RFC1483 Routed Mode To setup the Router for use with an RFC 1483 routed connection 32 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 17 RFC1483 Routed Configuration Screen Setup Wizard Parameter Settings The following information are usually provider DNS ee lemme Enter your Internet IP address in the WAN P text box Enter the subnet mask in the Subnet Mask text box Enter your VPI and VCI information in the VPI VCI text boxes Enter the default gateway in the Default Gateway text box A WN Check all of your settings and then click Next RFC1483 Bridged Mode To setup the Router for use with an RFC 1483 bridged connection Figure 18 RFC1483 Bridged Configuration Screen CAN 3com Setup Wizard LAN Settings Wireless Settings Internet Settings Routing Firewall System Tools Status and Logs Log Out E Done Accessing the Wizard 33 OfficeConnect ADSL Wireless 119 Firewall Router Parameter Settings Setup Wizard Parameter Settings
84. t RIP is enabled however the router only receives RIP update messages it will not transmit any messages itself In the Version field select R Pv7 or RIPv2 We recommend that you only use RIPv1 if there is an existing RIP enabled device on your network that does not support RIPv2 In all other cases you should use RIPv2 Use the Poison Reverse radio button to enable or disable Poison reverse on the router Enabling Poison Reverse on your Router allows it to indicate to other RIP enabled devices that they have both routes that point to each other preventing data loops Use the Authentication Required field to choose one of three modes of authentication a None Switches off authentication on the specified interface m Password An unencrypted text password that needs to be set on all RIP enabled devices connected to this router RIP information is not shared between devices whose passwords do not match m MD5 A password that has been encrypted using the MD5 encryption algorithm that needs to be set on all RIP enabled devices connected to this router RIP information is not shared between devices whose passwords do not match In the Authentication Code field enter the password that is required if either the Password or MD5 option has been selected Click Apply The Routing Table screen displays details for the default routing used by your Router and any routing created using Static Routing or RIP Firewall 51
85. tal EN 60068 IEC 68 See FCC Statement on page 105 for conditions of operation System Requirements Ethernet Performance Cable Specifications OfficeConnect ADSL Wireless 11g Firewall Router Operating Systems The Router will support the following Operating Systems Windows 95 98 Windows NT 4 0 Windows ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix The Router complies to the IEEE 802 3i u and x specifications 83 The Router supports the following cable types and maximum lengths m Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types Maximum cable length of 100m 327 86 ft 84 APPENDIX B TECHNICAL SPECIFICATIONS SAFETY INFORMATION Important Safety Information gt amp BP PPE EP PS WARNING Warnings contain directions that you must follow for your personal safety Follow all directions carefully You must read the following safety information carefully before you install or remove the unit WARNING The Router generates and uses radio frequency rf energy In some environments the use of rf energy is not permitted The user should seek local advice on whether or not rf energy is permitted within the area of intended use WARNING Exceptional care must be taken during installation and removal of the unit WARNING To ensure compliance with international safety standards only use the power adapt
86. ternet host computers to have a domain name such as 3com com and one or more IP addresses such as 192 34 45 8 A DNS server keeps a database of DSL modem Encryption ESSID Ethernet Ethernet Address Fast Ethernet Firewall Full Duplex Half Duplex Hub GLOSSARY 97 host computers and their respective domain names and IP addresses so that when a domain name is requested as in typing 3com com into your Internet browser the user is sent to the proper IP address The DNS server address used by the computers on your home network is the location of the DNS server your ISP has assigned DSL stands for digital subscriber line A DSL modem uses your existing phone lines to send and receive data at high speeds A method for providing a level of security to wireless data transmissions The Router uses two levels of encryption 40 64 bit and 128 bit 128 bit is a more powerful level of encryption than 40 64 bit Extended Service Set Identifier The ESSID is a unique identifier for your wireless network You must have the same ESSID entered into the router and each of it s wireless clients A LAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at a rate of 10 Mbps over a variety of cables See MAC address An Ethernet system that is designed to operate at 100 Mbps Electronic protection that prevents anyone outside of your network f
87. tiple PCs User Name Password Retype Password IP assigned by ISP IP Address Subnet Mask VPI VCI Encapsulation Dial on Demand Idle Time Minute MTU 1 Enter the User Name assigned to you by your ISP in the User Name field 2 Enter the Password assigned to you by your ISP in the Password field Re enter your password in the Retype Password field 3 If your ISP assigns your IP address dynamically then select Yes in the P assigned by ISP field and proceed to step 4 If your ISP has assigned you a fixed or static IP address select No in the P assigned by ISP field Then enter the IP address and Subnet Mask information provided by your ISP into the P address and Subnet Mask fields 4 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields 5 Select the encapsulation type LLC or VC MUX in the Encapsulation Type field This information will have been provided to you by your ISP 6 If you want your Router to connect to the Internet every time a PC needs to access it check the Dial on Demand checkbox If this box is not checked then you will have to manually connect and disconnect using the buttons on the Home Screen see page 35 7 If you want your Router to automatically disconnect from the Internet automatically after a period of inactivity specify a time in the Idle Time Minutes field Internet Settings 47 Enter a value of O to disable this timeout 8 Click Apply Bridged
88. ttings 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 26 CHAPTER 3 SETTING UP YOUR COMPUTERS Disabling PPPoE and PPTP Client Software If you have PPPoE client software installed on your computer you will need to disable it To do this From the Windows Start menu select Settings gt Control Panel 2 Double click on nternet Options 3 Select the Connections Tab A screen similar to Figure 10 should be gt displayed Select the Never Dial a Connection option Figure 10 Internet Properties Screen Internet Properties 2 xj General Security Content Connections Programs Advanced 23 Use the Internet Connection Wizard to connect your computer to the Internet Dial up settings FS Dial up Connection Default Add Remove Settings Never dial a connection C Dial whenever a network connection is not present Always dial my default connection Gurrent 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 Router Disabling Web Proxy Ensure that you do not have a web proxy en
89. ty Mode Security Mode Disabled g From this screen you can select the wireless security mode that you wish to use There are five possible selections m Disabled see page 41 m WPA PSK no Server see page 41 m 128 bit WEP see page 42 Wireless 41 m 64 bit WEP see page 42 a WPA with RADIUS Server see page 43 Select the required value from the drop down list and press Apply Disabled In this mode wireless transmissions will not be encrypted and will be visible to everyone However when setting up or debugging wireless networks it is often useful to use this security mode WPA PSK no server Figure 26 WPA PSK no server Screen Setup Wizard LAN Settings WPA PSK no server Encryption technique TKIP Encryption Pre shared Key PSK Configuration Internet Settings Reiting Wireless Protected Access with a Pre Shared Key Firewall The key is a password in the form of a word phrase or series of letters and numbers The key must be System Tools between 8 and 63 characters long and can include 5 spaces and symbols Each client that connects to the Status and Logs network must use the same key Pre Shared Key em x A A ot WPA Wireless Protected Access provides dynamic key changes and constitutes the best security solution In a wireless network where not all devices support WPA WEP Wired Equivalent Privacy should be used 1 Enter the pre shared key in the Pre shared Key PSK field
90. ur ISP provided you with specific DNS addresses to us enter them into the appropriate fields on this screen and click Apply Many ISP s do not require you to enter this information into the Router If you are using a Static IP connection type then you may need to enter a specific DNS address and secondary DNS address for your connection to work properly If your connection type is Dynamic PPPoA or PPPoE it is likely that you do not have to enter a DNS address Routing From these pages you can configure routing parameters Your Router supports the following routing functionality a Static Routing m RIP Routing Information Protocol RIP allows the network administrator to set up routing information on one RIP enabled device and send that information to all RIP enabled devices on the network Routing table display Static Routes RIP Parameters Routing 49 Figure 36 Static Route Parameters Screen scom Setup Wizard OfficeConnect aDs Wireless 119 Firewall Router LAN Settings Wireless Settings Internet Settings Network i Address ae 192 168 2 0 255 255 255 0 192 168 11 Edit Delete Index Subnet Mask Gateway Configure Routing Table The Static Route Parameter screen shows a list of current static route entries For each entry the following information is displayed Index the index of the entry m Network Address the network address of the route m Subnet Mask the subnet mask
91. ut 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 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless11g Firewall Router 11 Router Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 15 HARDWARE INSTALLATION Introduction 17 Safety Information 17 Positioning the Router 17 Using the Rubber Feet 18 Powering Up the Router 18 Connecting the Router 18 SETTING UP YOUR COMPUTERS Obtaining an IP Address Automatically 23 Windows 2000 23 Windows XP 25 Windows 95 98 ME 25 Macintosh 25 Disabling PPPoE and PPTP Client Software 26 Disabling Web Proxy 26 4 RUNNING THE SETUP WIZARD Accessing the Wizard 27 29 DSL Settings 29 Summary 33 5 ROUTER CONFIGURATION Navigating Through the Router Configuration Pages 35 Main Menu 35 Status Screen 35 Status 36 LAN Setup 36 LAN Settings 37 DHCP Clients List 38 Wireless 39 Configuring Wireless 39 Encryption 40 Disabled 41 WPA PSK no server 41 128 bit WEP 42 64 bit WEP 42 WPA with RADIUS Server 43 Internet Settings 44 Connection Type 44 PPPoE
92. utomatically on page 23 3 Restart the computer and re apply power to the Router Using the Web browser on the computer enter the following URL in the location bar http 192 168 1 1 This will connect you to the Recovery utility in the Router Follow the on screen instructions Enter the path and filename of the software image file When the upload has completed the Router will restart run the self test and if successful resume normal operation Refer to the Installation Guide to reconnect your Router to the telephone line and the computers in your network Do not forget to reconfigure the computer you used for the software upload If the Router does not resume normal operation following the upload it may be faulty Contact your supplier for advice Frequently Asked Questions How do I reset the Router to Factory Defaults See Forgotten Password and Reset to Factory Defaults on page 72 How many computers on the LAN does the Router support A maximum of 253 computers on the LAN are supported How many wireless clients does the Router support A maximum of 128 wireless clients are supported 76 CHAPTER 6 TROUBLESHOOTING There are only 4 LAN ports on the Router How are additional computers connected You can expand the number of connections available on your LAN by using hubs switches and wireless access points connected to the Router 3Com wireless access points and hubs and switches pro
93. vide a simple reliable means of expanding your network contact your supplier for more information or visit http www 3com com Does the Router support virtual private networks VPNs The Router supports VPN passthrough which allows VPN clients on the LAN to communicate with VPN hosts on the Internet It is also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to but this is not a recommended configuration Where can I download software updates for the Router Updates to the Router software are posted on the 3Com support web site accessible by visiting http www 3com com A IP ADDRESSING The Internet Protocol Suite The Internet protocol suite consists of a well defined set of communications protocols and several standard application protocols Transmission Control Protocol Internet Protocol TCP IP is probably the most widely known and is a combination of two of the protocols IP and TCP working together TCP IP is an internationally adopted and supported networking standard that provides connectivity between equipment from many vendors over a wide variety of networking technologies Managing the Router over the Network IP Addresses and Subnet Masks To manage a device over the network the Router must be correctly configured with the following IP information a An IP address a A Subnet Mask Each device on your network must have a unique IP address to oper
94. video conferencing application Use this feature on a temporary basis The computer in the DMZ is not protected from hacker attacks To put a computer in the DMZ enter the last digits of its LAN IP address in the Static IP field Put the IP address if known that will be accessing the DMZ PC into the Public IP field so that only the computer on the Internet at this address can access this PC without firewall protection If the IP address is not known or if more than one PC on the Internet will need to access this PC then set the Public IP to 0 0 0 0 Click Apply From the Advanced screen you can configure m NAT Network Address Translation m Universal Plug and Play a WAN Ping Blocking Firewall 61 Remote Admin Figure 49 Advanced Screen wh Sscom Setup Wizard OfficeConnect ADSL Wireless 119 Firewall Router LAN Settings NAT Wireless Settings ADVANCED FEATURE Allows you to turn NAT on or off Internet Settings NAT on OFF Routing Universal Plug and Play cial Applications The Universal Plug and Play architecture offers pervasive peer to peer network Virtual Servers connectivity of PCs of all form factors intelligent appliances and wireless devices Universal Plug amp Play enables seamless proximity networking in addition to control Client IP Filters and data transfer among networked devices in the home office and everywhere in between MAC Address Filtering DMZ Universal Plug amp Play Con
95. 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 Router This allows them to automatically configure some or all of their settings and need less user configuration URL Filter WAN WECA WEP Wi Fi Wireless Client Wireless LAN Service Area Wizard WLAN WPA GLossARY 101 A URL Filter is a feature of a firewall that allows it to stop its clients form browsing inappropriate Web sites Wide Area Network A network that connects computers located in 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 11b WECA The term u

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