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3Com 3C888 Network Router User Manual

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1. When wall mounting the unit ensure that it is within reach of the power outlet Do not install the Router more than 200 cm above the ground You will need two suitable screws to wall mount the unit To do this Ensure that the wall you use is smooth flat dry and sturdy and make two screw holes which are 150 mm 5 9 in apart Fix the screws into the wall leaving their heads 3 mm 0 12 in clear of the wall surface Remove any connections to the unit and locate it over the screw heads When in line gently push the unit on to the wall and move it downwards to secure i gt N Before you Install your Router 21 When making connections be careful not to push the unit up and off the wall CAUTION Only wall mount single units do not wall mount stacked units Before you Install your Router VV Before you install and configure your Router you need the following additional information If you do not have this information contact your Internet Service Provider ISP Space is provided below for you to record this information If you have a DSL connection and your ISP allocates IP information dynamically over PPPoE or PPPoA which is in common use in the UK you need a User Name and Password PPPoE User Name PPPoE Password PPPoE Service Name You only need a PPPoE Service Name if your ISP requires one Do not enter anything if your ISP does not require this information You should leave the A
2. Wireless Settings 55 WEP To enable WER select WER from the Encryption Type Figure 33 Encryption WEP OfficeConnect ADSL Wireless 108Mbps 119 Firewall Router Wireless Settings 1 Please choose from 64 bits or 128 bits for the Encryption Strength 2 Enter the Passphrase which can be up to 31 characters long and may contain any alphanumeric characters in the field 3 Click on Generate to generate 4 hex keys automatically Virtually all manufacturers support this scheme Hexadecimal numbers are formed from 0 9 and A F In 64 bit WEP the passphrase will generate 4 different keys However in 128 bit WEP this method only generates 1 key which is replicated for all 4 keys 4 Manually assign each key If you selected 64 bits encryption enter 10 HEX characters 0 F for each key If you selected 128 bits encryption enter 26 HEX characters 0 F for each key If you encounter any difficulty when you enable WEP ensure that you check that each key on your wireless computer is exactly the same as each key on your Router In other words Key number 1 on the Wireless computer must have the same Hex number as Key number 1 on the Router Key 2 on the Wireless computer must match Key 2 on the Router and so on 5 Current WEP Key Select a key to be the active key You can change the selected key periodically to increase the security of your network 56 CHAPTER 5 ROUTER CONFIGURATION Click Save to save the setting WP
3. Device Info Support Feedback This screen lists the QoS classifiers or policy A classifier groups upstream traffic into data flows according to specific criteria such as the source addresses destination addresses source ports or destination ports The policy also assigns a specific Priority queue DSCP mark or ToS value Please enter your settings into the fields provided Please do not alter any settings unless you are an experienced network administrator Proxy ARP is a variation of Address Resolution Protocol ARP in which an intermediate device in this case the Router sends an ARP response on behalf of an end node to the requesting host Proxy ARP can help IPSec uU P W N Advanced 85 decrease bandwidth consumption on slow speed WAN links and allows a site to use a single IP address for two physical networks To use proxy ARP you must have a range of static IP addresses assigned by your ISP Figure 57 The Proxy ARP Screen Welcome age Enable ProxyARP LAN Settings M Enable ProxyARP Wireless Settings Internet Settings Lr Range e 10 D 2 v E d 10 Firewall System Tools Note You should enter the public IP range in the blank such as from 10 0 0 1 to 10 0 0 5 which you want to set on PC in LAN network Advanced Management Diagnostics Device Info Support Feedback To configure Proxy ARP On the menu click Advanced Click the Proxy ARP tab Select the Enable Proxy ARP check box
4. m Verify that your wireless computers are configured to work in Infrastructure mode and not Ad Hoc mode The Router contains an Access Point that is designed to operate in Infrastructure mode Ad Hoc mode is not supported by the Router m If you have a wired and a wireless NIC in the same computer ensure that the wired NIC is disabled m Check the status of the 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 Settings 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 104 CHAPTER 6 TROUBLESHOOTING Ensure that the encryption method and level that you use on your clients are the same as those configured on the Router Ensure that you have the Wireless computer enabled in the list of allowed MAC addresses if you are using Wireless Connection control on the Router If you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Router For more effective coverage you can try reorientating your antennae Place one antenna vertically and one horizontally to improve coverage Additionally consider moving the wireless computer closer to the Router to confirm that the building structure or fittings are not adversely affecting t
5. 0 255 VCI 32 65535 Network Address Translation Settings Enable NAT F Status Ready To set up the Router for use with an IPoA mode use the following procedure 1 WAN IP Address Enter the IP Address given by your ISP 2 WAN Subnet Mask Enter the subnet mask given by your ISP 3 Manual Default Gateway Configuration Select this option to enter the WAN interface IP Address if you are given with this information by your ISP or select a WAN interface to use to connect to it 4 Manual DNS configuration Enter the DNS server s address from the ISP if it is required this is optional LAN Settings DHCP Accessing the Wizard 41 Bridging Mode Figure 21 Bridging Mode Screen Wizard Internet Settings Connection Parameters Protocol ATM Parameters With bridging the router simply acts like a modem The router passes traffic through to another device usually a computer or a router which handles authentication with the ISP Figure 22 LAN IP Address Screen Local Area Network LAN Setup IP Address 192 168 P fi 11 Subnet Mask Bs pss ss Jo DHCP Parameters Setup IV Enable DHCP Server Start IP Address 192 168 fi 2 Auto IP Range End IP Address 192 168 bh Leased Time hour fea 3Com NBX Call Processor a optional I Enable DHCP Server Relay This screen displays a suggested LAN IP address and subnet mask of the Router It also allows you to change the IP address and subnet mask T
6. Abs wireless 108Mbps 11g Firewall Router Firewall Welcome LAN Settings URL Filtering Function ep Wireless Settings E Enable URL Filtering Function Internet Settings Apply Reboot Firewall System Tools URL Keyword Mode Advanced 4 Management 4 D Diagnostics Device Info Support Feedback 4 4 D 4 4 4 s 4 4 4 IBBBBBBEEEBHPEE D To enable the URL Filtering please do the following Check the Enable URL Filtering Function box to enable the URL filtering Enter the URL or key words of the URL in the text field for your desired website To filter a specific site enter the URL for that site For example to stop your users from browsing a site called www badsite com enter www badsite com or badsite comin one of the fields If badsite com has multiple sub domains such as this badsite com and that badsite com then you can either m Block them individually by entering this badsite com in one field and that badsite com in another m or m Block them by entering the keyword badsite com into one of the fields This will block all URLs containing the string badsite com As well as blocking this badsite com and that badsite com the keyword badsite com would block searches that mentioned badsite com in their domain name
7. Support Feedback Log Out The Trusted Station Screen lets you add remove the MAC address of the stations which can access the web administration 92 CHAPTER 5 ROUTER CONFIGURATION Remote Management p Utility It is possible to administer the Router remotely Select one of the following options for remote administration Figure 64 The Remote Management Screen Remote Managernent Remote admanitration fram a angle internat hast Ip new p A AA Remote administration from a subnet aper QG KI Netmak 255 Bes Des Remote adminitration from any internet host Remote Administration Port Number 6000 m Disable Remote Administration This option is set as default wm Enable administration from a single Internet Host Only the specified Host IP Address can manage the Router Any other users will be rejected a Enable administration from a whole subnet This option allows a number of users within the specified Host Network Address and Subnet Mask to administer the Router m Enable administration from any Internet Host This option allows any host to access the administration pages To remotely administer your Router enter http xxx Xx xxx xxx 8000 in the location bar of the browser running on the remote computer where xxx xxx xxx xxx is the Internet IP address of the Router You may then login using the administration password Your Internet IP address can be found at the bottom of
8. firewall preventing anyone outside of your network from seeing your files or damaging your computers The Router also gives you many administrative features such as scheduled internet access policies web content filter and intrusion detections 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 Firewall Router Cable or DSL modem When you use the Firewall Router in your network Figure 2 it becomes your connection to the Internet Connections can be made directly to the Router or to an OfficeConnect Switch or Hub expanding the number of computers you can have in your network Figure 2 Example Network Using a ADSL Wireless 108Mbps 11g Firewall Router OfficeConnect ADSL Wireless 11g Firewall Firewall Router Advantages 13 Firewall Router Advantages The advantages of the Firewall ADSL Wireless 108Mbps 11g Firewall Router include m Shared Internet connection for both wired and wireless computers m High speed 802 11g wireless networking m No need for a dedicated always on computer serving as your Internet connection m Cross platform operation for compatibility with Windows Unix and Macintosh computers m Easy to use Web based setup and configuration m Provides cent
9. for example www notabadsite com 76 CHAPTER 5 ROUTER CONFIGURATION gt gt To filter a generic keyword enter it into one of the fields You should exercise caution when choosing a keyword as many keywords are contained within other words For example filtering the word sex would filter the following example URLs m WWNW SUSSex com m www thisexample com You can filter up to 30 keywords and URLs Please select from the mode to whether allow or deny the URL Since URL Filter supersedes Content Filter you may list your allowed URL here The Router filters all traffic from domains that have been blocked using the URL filter If you need to access an external mail server FTP server or other named device outside your network you must list it in one of the allow fields Computers that should not be subject to URL filtering can be excluded by listing them as the full access PC s IP Addresses in the Filter Policy Tab System Tools The main frame of the System Tools screen includes four administration items Restart Time Zone Configuration and Upgrade System Tools 77 Restart Figure 49 Restart Screen Please press the button to restart the Router Restart the Router Note Users will be disconnected from the Internet while the Router is restarting If your Router is not operating correctly you can choose to restart the Router by selecting Restart the Router simulating the effect of power cycling the unit
10. 2 this device must accept any interference including interference that may cause undesired operation of this device L utilisation de ce dispositif est autoris e seulement aux conditions suivantes 1 il ne doit pas produire de brouillage et 2 I utilisateur du 140 CHAPTER REGULATORY NOTICES dispositif doit tre pr t accepter tout brouillage radio lectrique recu m me si ce brouillage est susceptible de compromettre le fonctionnement du dispositif The term IC before the equipment certification number only signifies that the Industry Canada technical specifications were met To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power EIRP is not more than that required for successful communication To prevent radio interference to the licensed service this device is intended to be operated indoors and away from windows to provide maximum shielding Equipment or its transmit antenna that is installed outdoors is subject to licensing Pour empecher que cet appareil cause du brouillage au service faisant l objet d une licence il doit etre utilize a l interieur et devrait etre place loin des fenetres afin de Fournier un ecram de blindage maximal Si le matriel ou son antenne d emission est installe a l exterieur il doit faire l objet d une licence INDUSTRY CANADA IC EMISSIONS COMPLIANCE STATEMENT This Class B
11. Back Make sure that the settings below match the settings provided by your ISP Finish Cancel PI VCI 0 38 Connection Type IPoA Service Name ipoa 0 38 1 Service Category UBR IP Address 1 1 1 1 Service State Enabled Wireless SSID 3Com Device 0 NAT Enabled AE Se IGMP Multicast Enabled Quality Of Service Disabled When you complete the Setup Wizard a configuration summary will display 3Com recommends that you verify the configuration information of the Router and then print this page for your records Click Finish and the router will reboot now If you have made changes to the LAN Settings or wireless configuration options you may need to reconfigure the computer you are using in order to make contact with the Router again Your Router is now configured and ready for use For information on improving your Wireless network security see Wireless Settings on page 51 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 configuration use the new IP address instea
12. Device Obtain an IP Address and Subnet Mask 115 DHCP Addressing 115 Static Addressing 115 Auto IP Addressing 115 TECHNICAL SPECIFICATIONS ADSL Wireless 11g 108Mbps Firewall Router 117 Standards 118 System Requirements 119 Ethernet Performance 119 Wireless Performance 119 Cable Specifications 119 SAFETY INFORMATION Important Safety Information 121 Wichtige Sicherheitshinweise 122 Consignes importantes de s curit 123 END USER SOFTWARE LICENSE AGREEMENT GLOSSARY INDEX REGULATORY NOTICES Regulatory Information 137 CAUTION EXPOSURE TO RADIO FREQUENCY RADIATION 137 US Radio Frequency Requirements 138 USA FEDERAL COMMUNICATIONS COMMISSION FCC 138 MANUFACTURER S DECLARATION OF CONFORMITY 139 CANADA INDUSTR YCANADA IC 139 INDUSTRY CANADA IC EMISSIONS COMPLIANCE STATEMENT 140 DE CONFORMIT LA R GLEMENTATION D INDUSTRIE CANADA 140 SAFETY COMPLIANCE NOTICE 140 ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router 3CRWDR200A 75 and 3CRWDR200B 75 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 Router systems If a release note is shipped with the OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router and contains information that differs from the information in th
13. Enter the static IP addresses that your ISP has given to you Click Save to save your changes Internet Protocol Security IPSec is a standards based VPN that offers flexible solutions for secure data communications across a public network like the Internet The Virtual Private Network VPN is a popular technology used for communications between two networking sites without the expense of leased site to site lines 86 CHAPTER 5 ROUTER CONFIGURATION Figure 58 The IPSec Screen Tunnel access from local IP addresses IP Address for VPN 1P Subnetmask Tunnel access from remote TP addresses Advanced IKE Settings Show Advanced Settings Below is a description of the basic configuration parameters IPSec Connection Name Please enter a name to define your connection Remote IPSec Gateway Address This is the static WAN IP address or URL of the remote IPSec router Tunnel Access from Local IP Addresses Select if you want to create a tunnel access for a single computer or a subnet IP Address Subnetmask for VPN If you choose a single computer from the above please enter the local computer s IP Address otherwise enter a subnet and the corresponding subnetmask in the field provided Tunnel Access from Remote IP Addresses Select if you want to create a tunnel access with the remote site for a single computer or a subnet IP Address Subnetmask for VPN If you choose a single computer from the above please enter the r
14. Nn Dour Contacter M ao Technique Si E de l aide cliquez ur l option Support dans le menu Free fzhnische Unterst Sollten Sie Hilfe benten klicken Sie bitte auf die Support Option im linken Men di non utilizzare questo link per Supporto Tecnico Se di assistenza per favore fare click sull opzione di Por favor no une este enlace para recibir Soporte Tecnico 5i necesita asistencia puhe en la opcion de Soporte en el menu de la icquierda Selecting the Feedback option displays the Feedback screen and allows you to provide feedback to 3Com on the operation of your Router This screen should not be used to obtain technical support 100 CHAPTER 5 ROUTER CONFIGURATION TROUBLESHOOTING Basic Connection Checks Check that the Router is connected to your computers and that all the equipment is powered on Check that the LAN Status and Sync DSL Status LEDs on the Router are illuminated and that any corresponding LEDs on NIC are also illuminated Ensure that the computers have completed their start up procedure and are ready for use Some network interfaces may not be correctly initialized until the start up procedure has completed If the link status LED does not illuminate for a port that is connected check that you do not have a faulty cable Try a different cable Browsing to the Router Configuration Screens If you have connected your Router and computers together but cannot browse to the Router configura
15. Remote Management and Utility If you have a syslog server on the network you can configure the Router Point to send the device logs to the server You may need to configure the syslog server to accept logs from the Router SNMP Management 89 Figure 60 The System Log Screen Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Advanced Management Diagnostics Device Info Support Feedback To view the current logs Click the View Log button To enable the system log Check Enable System Log box Select the drop down menu for a list of available types of logging activities Select the Display Level for a list of available types of logging display Select Select on the Mode for logging mode Local Remote or Both For the remote logging enter the remote server s IP address and Port number for receiving the logs Simple Network Management Protocol SNMP is the protocol used for exchanging management information between network devices 90 CHAPTER 5 ROUTER CONFIGURATION UPnP YO u P w Figure 61 The SNMP Screen Management SNMP Configuration Ii Enable SNMP Agent Read Community public Set Community Iprivate ew System Name Bom B System Location unknown System Contact unknown N Trap Manager IP eo b b s b Click Enable Disable to enable disable the agent To Configure the SNMP Type the Read Community which is the password for the incoming Ge
16. Support Services 109 Warranty support m Requestor contact details m 3C part number m Firmware or software version of the 3Com product and operating system used m Description of the problem or failure m Serial number of the product m Ship to address with on site contact required for Return Materials Authorizations Contract services m The same information as requested above for Warranty support m Your 3Com GSO Master Contract Number OR your 3Com GSO Site Specific Contract Number Any service requested will be validated according to the specific entitlements of the product warranty or 3Com service contract For the most up to date World Wide 3Com Service contact information telephone numbers URLs or email address for your region please visit http csoweb4 3com com contactus If your product came with a Safety and Support brochure you can also refer to the Support section for 3Com regional contact numbers URLs and email address 110 CHAPTER 6 TROUBLESHOOTING A USING DISCOVERY Running the 3Com provides a user friendly Discovery application for detecting the Discovery Router on the network Application Windows Installation 95 98 2000 Me NT XP 1 Insert the Router CD ROM in the CD ROM drive on your computer A menu will appear select Router Discovery Discovery will find the Router even if it is unconfigured or misconfigured Figure 74 Discovery Welcome Screen 3Com OfficeConnect Discov
17. This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy If not installed and used in accordance with the instructions it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by tuning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures m Reorient or relocate the receiving antenna m Increase the distance between the equipment and the receiver mw Connect the equipment to outlet on a circuit different from that to which the receiver is connect m Consult the dealer or an experienced radio TV technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful The Interference Handbook Th
18. as you there will be a reduction in the performance of your network If this seems to be the case you should select a different channel number Usually the Wireless computers will scan to find the correct channel but if they don t you must configure them to use the same Channel number as the Router Wireless Settings 53 Choose the Auto option to automatically choose the clearest channel The Router will check for the clearest channel whenever it is rebooted powered up and when the Clear Channel Select option is first applied Valid channels are country dependent See Regulatory Notices on page 137 for a list of channels approved by each country Service Area Name SSID This allows you to name your Wireless network The Service Area Name SSID field will accept any alphanumeric string and has a maximum length of 32 characters Your Wireless computers must be configured with exactly the same name or you will not establish a connection The Service Area Name may also be referred to as ESSID depending on your networking vendor By default the Router uses the name 3Com 3Com recommends that you change the default name In order that your wireless computers can connect to the Router you must m Use Infrastructure Mode not Ad hoc Mode m Have the same Service Area Name as the Router m Have the same Channel number as the Router m Use the same encryption type and keys as the Router m Ensure that the PC is not included in t
19. 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 DNS Server Address DSL modem Encryption ESSID Ethernet Ethernet Address Fast Ethernet Firewall Full Duplex 129 95 and Windows 98 will call the server to obtain the address Windows 98 will allocate itself an address if no DHCP server can be found DNS stands for Domain Name System which allows Internet host computers to have a domain name such as 3com com and one or more IP addresses such as 192 34 45 8 A DNS server keeps a database of 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 OfficeConnect Router and Wireless Router offer a choice of encryption methods See WPA and WEP for details Extended Service Set Identifier The ESSID is a unique iden
20. 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 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 Maximum Transmission Unit is the size of the largest datagram that can be sent over a network Network Address Translation NAT enables all the computers on your network to share one IP address The NAT capability of the Router allows you to access the Internet from any computer on your home network without having to purchase more IP addresses from your ISP A Network is a collection of computers and other computer equipment that are connected for the purpose of exchanging information or sharing resources Networks vary in size some are within a single room others span continents A circuit board installed into a piece of computing equipment for example a computer that enables you to connect it to the network A NIC is also known as an adapter or adapter card A set of rules for communication between devices on a network The rules dicta
21. digital apparatus complies with Canadian ICES 003 DE CONFORMIT LA R GLEMENTATION D INDUSTRIE CANADA Cet appareil num rique de la classe B est conform la norme NMB 003 du Canada SAFETY COMPLIANCE NOTICE This device has been tested and certified according to the following safety standards and is intended for use only in Information Technology Equipment which has been tested to these or other equivalent standards m UL Standard 60950 1 m CAN CSA C22 2 No 60950 1 m IEC 60950 1 m EN 60950 1 141 EUROPE EU P e DECLARATION OF Note to ensure product operation is in compliance with local CONFORMITY regulations select the country in which the product is installed Refer to 3Com OfficeConnect Wireless 54Mbps 108Mbps 11g ADSL Usage restrictions apply See documentation This equipment may be operated in SCC RSR DC CE CHE RECHERCHE Intended use IEEE 802 11g b radio LAN device EUROPE DECLARATION OF CONFORMITY IN LANGUAGES OF THE EUROPEAN COMMUNITY English Hereby 3Com Corporation declares that this RLAN device is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC Finnish 3Com Corporation vakuuttaa t ten ett RLAN device tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muiden ehtojen mukainen Dutch Hierbij verklaart 3Com Corporation dat het toestel RLAN device in overeenstemming i
22. ease and Renew functions to obtain a new IP address from the Router Under Windows 2000 XPand Vista use the ipconfig all command line utility to perform the same functions m If you still cannot browse to the Router then use the Discovery program on the accompanying CD ROM as described in Appendix A Connecting to the Internet If you can browse to the Router configuration screens but cannot access sites on the Internet check the following m Confirm that the physical connection between the Router and the broadband connection is OK and that the Sync DSL LED and Data DSL LED on the Router are illuminated If the Sync DSL LED is off check the physical connection path to the ADSL line If the Sync DSL LED is on but the Data DSL LED is off confirm the login details are correct and the ADSL service is available contact your ISP for the status Confirm that ADSL filter is connected 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 PPPoA or PPTP user name password and service name are correct if these are required Only enter a PPPoE service name if your ISP requires one 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 Connections Forgotten Password and
23. 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 Customer Support Information 350 Campus Drive Marlborough MA 01752 3064 3Com Corporation 350 Campus Drive Marlborough MA 01752 3064 Copyright O 2004 3Com Corporation and its licensors All rights reserved 3Com is a registered trademark of 3Com Corporation 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 IEE
24. the screen The utility screen will let you execute some commands to test your internet connections BR WN Diagnostics 93 Figure 65 The Utility Screen Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Advanced Management Diagnostics Device Info Support Feedback To use the utility Select commands that you would like to run from the menu Enter the IP Address or Domain Name in the field provided Click Start to start executing the command The results will be shown on the screen below Diagnostics The Diagnostics Screen lets you diagnose your DSL connection to the internet and your wired and wireless LAN networkings Click on the Test button to start testing 94 CHAPTER 5 ROUTER CONFIGURATION Figure 66 The Diagnostics Screen Diagnostics Diagnostics Your modem is capable of testing your DSL connection The individual tests are listed below If a test displays a fail status click Rerun Diagnostic Tests at the bottom of this page to make sure the fail status is consistent If the test continues to fall click Help and follow the Firewall System Tools Advanced Test the connection to your local network Management Test your ENET4 Connection Test your Wireless Gonnection Device Info The Device Info Settings menu provides the following options Summary Figure 67 The Summary Screen Welcome LAN Settings Wireless Settings Internet Se
25. this unit to a new version downloaded from the 3Com support web site Please select the location of the software upgrade filis on your PC using the browse button below then press the Apply button It is recommended that you back up your configuration data before upgrading Bw Note You need to make sure the Files of type is set to ol files to see the file The Upgrade facility allows you to install on the Router any new releases of system software that 3Com may make available To install new software you first need to download the software from the 3Com support web site to a folder on your computer Once you have done this select Browse to tell your web browser where this file is on your computer and then click Apply The file will be copied to the Router and once this has completed the Router will restart Although the upgrade process has been designed to preserve your configuration settings it is recommended that you make a backup of the configuration beforehand in case the upgrade process fails for any reason for example the connection between the computer and the Router is lost while the new software is being copied to the Router The upgrade procedure can take up to four minutes and is complete when the Alert LED has stopped flashing and is permanently off Make sure that you do not interrupt power to the Router during the upgrade procedure if you do the software may be corrupted and the Router m
26. 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types a Maximum cable length of 100m 327 86 ft 120 APPENDIX C TECHNICAL SPECIFICATIONS D SAFETY INFORMATION Important Safety Information gt EEE DB 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 Only stack the Router with other OfficeConnect units WARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety 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 pa
27. 5 0 0 BC 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 m Dynamic Host Configuration Protocol DHCP Addressing m 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 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 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 alloc
28. 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 Power LED or Power Adapter OK LED Not Lit 105 around it Applications are generally available with the computer wireless card to carry out a site survey Use this application to find the optimal siting for your wireless computer Consult your Computer Card documentation and vendor for more details Power LED or Power Adapter OK LED Not Lit Replacement Power Adapters m Check that your Router is receiving power by looking at the status of the Power LED on the front panel and the Power Adapter OK LED on the rear panel a f both LEDs are lit green then the unit is receiving power a f both LEDs are unlit then no power is being supplied to the unit Check that the power adapter is plugged into a working mains outlet and that the mains outlet is supplying power If the mains socket is supplying power then the power adapter or power adapter connection may be faulty See Replacement Power Adapters below a f the Power Adapter OK LED is lit but the Power LED is unlit then there may be a fault with your unit Contact 3Com Technical Support m Check that you are using the co
29. 66 static IP address 65 IP Address 21 41 113 L LAN 41 48 LED 14 Login 112 N Network addresses 113 Networking wireless 103 NIC wireless 14 P Password 31 47 PPPOE 21 28 37 66 PPTP 66 Profile 62 R Remote Administration 92 Reset to Factory Defaults 79 102 Restart 77 RIP 81 setting up 82 S Safety Information 19 Setup Wizard 31 48 Special Applications 68 Specifications technical 117 SPI 70 Static IP Address 65 static IP address 65 136 INDEX static route 81 Subnet Mask 41 113 Summary 44 Support Information 98 Support Links 98 T TCP IP 25 28 41 113 Technical specifications 117 standards 117 Technical Support 108 Time Zone 35 78 U Unit Configuration 48 Upgrade 80 URL Filter 74 V Virtual Servers 66 67 W WAN 36 Web Proxy 29 Wireless authorized PCs 61 channel selection 52 client list 61 configuration 52 connection control 59 encryption 54 LED 15 networking 103 NIC 14 service area name 53 settings 42 51 REGULATORY NOTICES Regulatory Information 3Com OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router WL 553 must be installed and used in strict accordance with the manufacturer s instructions as described in the user documentation that comes with the product This product contains encryption It is unlawful to export out of the U S without obtaining a U S Export License This product does not contain any user serviceabl
30. 8 Static DHCP Assignment 50 DHCP Lease Table 51 Wireless Settings 51 Configuration 52 Encryption 54 WMM 57 Connection Control 59 Client List 61 Advanced Wireless Settings 61 WDS 64 Internet Settings 65 Firewall 66 Virtual Servers 66 Special Applications 68 DMZ 69 SP 70 PC Privileges 71 Schedule Rules 72 Content Filter 73 URL Filter 74 System Tools 76 Restart 77 Time Zone 78 Configuration 79 Upgrade 80 Advanced 81 Static Route 81 RIP 81 DDNS 82 Quality of Service 84 Proxy ARP 84 IPSec 85 Port Mapping 87 Management 88 Syslog 88 SNMP 89 UPnP 90 Trusted Station 91 Remote Management 92 Utility 92 Diagnostics 93 Device Info 94 Summary 95 WAN 95 Statistics 96 Route 97 ARP 97 Support Feedback 98 Support Feedback 98 Support 98 Feedback 99 TROUBLESHOOTING Basic Connection Checks 101 Browsing to the Router Configuration Screens 101 Connecting to the Internet 102 Forgotten Password and Reset to Factory Defaults 102 Wireless Networking 103 Power LED or Power Adapter OK LED Not Lit 105 Replacement Power Adapters 105 Alert LED 106 Recovering from Corrupted Software 106 Frequently Asked Questions 107 3Com Warranty and Support Services 108 USING DISCOVERY Running the Discovery Application 111 Windows Installation 95 98 2000 Me NT XP 111 IP ADDRESSING The Internet Protocol Suite 113 Managing the Router over the Network 113 IP Addresses and Subnet Masks 113 How does a
31. A To enable WPA select WPA PSK or WPA2 PSK from the Encryption Type Figure 34 Encryption WPA 25778 WPA Pre Shared Key WPA Group Rekey Interval 7200 seconds 1 Select either TKIP or AES as the Encryption Method Enter a passphrase between 8 to 63 characters long for the Pre Shared Key Enter the desired key renewal time in seconds for WPA Group Rekey Interval Click Save to save the setting WPA with RADIUS If you are using a RADIUS server in your network for authentication you may choose WPA or WPA2 Radius from the Encryption Type Wireless Settings 57 Figure 35 Encryption WAP WPA2 with RADIUS WPA Group Rekey Interval 7200 seconds RADIUS Server IP Addres D b fo RADIUS Port ui RADIUS Key 1 Select Encryption Method from the drop down box 2 Enter the frequency for Group Rekey Interval in seconds 3 Enter the RADIUS Server IP address 4 Enter the RADIUS Port number 5 Enter your RADIUS KEY here Click Save to save the setting WMM You can enable Wi Fi Multimedia WMM support to help improve the Quality of Service QoS for your wireless traffic 3Com recommends that you leave the settings unchanged if you are not sure with your configuration Changing the values may lead to unexpected blockages of traffic on your wireless LAN and the blockages might be difficult to diagnose WMM provides prioritized media access and is based on the Enhanced Distributed Channel EDCA met
32. Cancel To complete the Wizard you will need to know the information provided by your ISP eg IP addresses Usernames etc If you are missing any information please contact your ISP Change Administration Password Screen M OfficeConnect aos wireless 108Mbps 119 Firewall Router Notice Board Password Wisord Change Admin Password Help Did Password r Apply New Password Maximum 16 characters Confirm Password Login Timeout is 17499 minutes Note Password is Case sensitivi When the Change Administration Password screen appears type the Old Password then a new password in both the New Password and Confirm Password boxes Time Zone Accessing the Wizard 35 3Com recommends entering a new password when setting up the Router for the first time The Router is shipped from the factory with a default password admin 1 Password is case sensitive 2 Write the new password down and keep it in a safe place so that you can change your settings in the future Click Next to display the Time Zone setup screen Figure 15 Time Zone Screen This page allows you to the modem s time configuration IV Automatically synchronize with Internet time servers Current time Saturday January 1 2000 1 07 27 First NTP time server Custom Entry fcockfmthenet Second NTP time server None AT Time zone offset GM Greenwich Mean Time Dublin Edinburgh Lisbon London v Enable Daylight Savings Select your time z
33. Diagnostics Device Info Support Feedback Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System To do this Enter the current password in the Old Password field Enter the new password in the New Password field Enter the new password again in the Confirm Password field Click Apply to apply the new password The password is case sensitive f you have forgotten your password you need to reset the Router 48 CHAPTER 5 ROUTER CONFIGURATION Wizard Figure 28 Wizard Screen CAR OfficeConnect Abs wireless 108Mbps 119 Firewall Router acom Welcome Welcome To complete the Wizard you will need to know the information eg IP addresses Usernames ete JI you are missing any information Support Fe WS Click WIZARD to launch the configuration wizard Refer to Chapter 4 for information on how to run the wizard LAN Settings The LAN Settings menu provides the following options Unit Configuration Figure 29 Unit Configuration Screen l OfficeConnect abs Wireless 108Mbps 119 Firewall Router LAN Settings Advanced Management LAN Settings 49 This screen allows you to change the IP address and subnet mask IP Address Enter the IP Address for the router 2 Subnet Mask Enter the Subnet Mask for the router 3 Enable DHCP server on the LAN Check this box to enable the DHCP service on the router enabled by default The Fire
34. E specification for 10 Mbps Ethernet over Category 3 4 or 5 twisted pair cable The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted pair cable An Access Point is a device through which wireless clients connect to other wireless clients and which acts as a bridge between wireless clients and a wired network such as Ethernet Wireless clients can be moved anywhere within the coverage area of the access point and still connect with each other If connected to an Ethernet network the access point monitors Ethernet traffic and forwards appropriate Ethernet messages to the wireless network while also monitoring wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN Ad Hoc mode is a configuration supported by most wireless clients It is used to connect a peer to peer network together without the use of an access point It offers lower performance than infrastructure mode which is the mode the Router uses see also Infrastructure mode Some devices in the OfficeConnect range support auto negotiation Auto negotiation is where two devices sharing a link automatically 128 CHAPTER GLOSSARY Bandwidth Category 3 Cables Category 5 Cables Channel Client DDNS DHCP configure to use the best common speed The order of preference best first is 100BASE TX full duplex 100BASE TX half duplex 10BASE T full duplex and 10BASE T half duplex Auto negotiation is defined i
35. Lu 3C0M OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router User Guide Model WL 553 3CRWDR200A 75 3CRWDR200B 75 http www 3com com Part No 10015251 Rev AB Published August 2008 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 Copyright 2008 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 satis34factory 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 loca
36. MZ SPI Content Filter Setting I Enable Content Filter Content Filter Server ukl surfcpa com z Server Timeout Ro o msec Status Disconnected LAN Settings Wireless Settings Internet Settings i Apply Reboot Firewall System Tools Core Categories Adult Sexually Explicit Criminal Skills Drugs Alcohol amp Tobacco Advanced C allow Deny C allow Deny C allow Deny C allow Deny C allow Deny C allow Deny C allow Deny C allow Deny Management Diagnostics Device Info Support Feedback Productivity Categories Unclassified allow Deny Advertisements allow Deny Arts amp Entertainment allow Deny Chat allow Deny Computing amp Internet allow Deny Education allow Deny Finance amp Investment allow Deny Make sure the Enable Content Filter check box is checked Select the Content Filter Server that you require from the drop down list If you select custom entry enter the server IP address in the text box Select the Server Timeout value in milliseconds The default is 3000 milliseconds 3 seconds Select Allow or Deny for each displayed category as required Click Save To Save The Changes and Apply to apply The Settings Select the URL Filter tab to set the websites that you want your clients to be able or not able to access Firewall 75 Figure 48 The URL Filter Screen OfficeConnect
37. No configuration information will be lost but the log files will be erased This function may be of use if you are experiencing problems and you wish to re establish your Internet connection Any network users who are currently accessing the Internet will have their access interrupted whilst the restart takes place and they may need to reboot their computers when the restart has completed and the Router is operational again 78 CHAPTER 5 ROUTER CONFIGURATION Time Zone Figure 50 Time Zone Screen F Automatically synchronize with Internet time servers Current time Saturday January 1 2000 0 04 11 192 541 A1 Nowth Asneaca rt Choose the time zone that is closest to your actual location The time zone setting is used by the system clock when displaying the correct time in the log files If you use Daylight saving tick the Enable Day Light savings box and then click Save The Router reads the correct time from NTP servers on the Internet and sets its system clock accordingly The Daylight Savings option merely advances the system clock by one hour It does not cause the system clock to be updated for daylight savings time automatically System Tools 79 Configuration Figure 51 Configuration Screen M OfficeConnect Abs wireless 108Mbps 119 Firewall Router acom System Tools Welcome Backup Configuration LAN Settings Please press the Backup button to save configuration data to your PC Backup Wireless Setti
38. ONS Standards Encryption 40 64 bit WER 128 bit WER WPA Maximum clients 128 O P Power 18dBm Operating Temperature 0 C to 40 C 32 F to 105 F Power 7VA 23 9 BThU hr Humidity 096 to 9096 non condensing humidity Dimensions m Width 220 mm 8 7 in m Depth 135 mm 5 3 in m Height 24 mm 1 in Weight Approximately 500 g 1 1 lbs Functional ISO 8802 3 IEEE 802 3 IEEE 802 11b 802 119 Wi Fi Safety UL60950 CSA 22 2 60950 IEC 60950 EN 60950 EMC EN 55022 Class B EN 55024 CISPR 22 FCC Part 15 Class B ICES 003 Class B CNS 13438 Class A ETSI EN 301 489 17 Radio CFR 47 FCC Part 15 207 15 209 15 247 and 15 249 ETS 300 328 2 4 GHz ISM band wide band transmission System Requirements Ethernet Performance Wireless Performance Cable Specifications ADSL Wireless 11g 108Mbps Firewall Router 119 systems RSS 2 10 Environmental EN 60068 IEC 68 See Regulatory Information on page 137 for conditions of operation Operating Systems The Router will support the following Operating Systems a Windows 95 98 m Windows NT 4 0 m Windows ME a Windows 2000 m Windows XP m Mac OS 8 5 or higher m Unix The Router complies to the IEEE 802 3i u and x specifications The Router has been designed to conform to the Wi Fi interoperability test standard Gri The Standard for Wireless Fidelity The Router supports the following cable types and maximum lengths m Category
39. 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 Wireless Networking 103 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 Here is how you may use the reset button Use the tip of a pen Press and hold the reset button at the rear panel of the device for about 5 seconds and release The LEDs will start blinking Wait until the Alert Led stops flashing the red light when the device has completed the Power On Self Test Now you may connect your computer to one of the LAN ports of the device and browse to http 192 168 1 1 and run the configuration wizard You may need to restart your computer before you attempt this When the configuration wizard has completed you may reconnect your network as it was before Wireless Networking 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
40. ate 116 APPENDIX B IP ADDRESSING themselves the same address the conflict is detected and one of the devices allocates itself anew 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 108Mbps 11g Firewall Router ADSL Wireless 11g 108Mbps Firewall Router Interfaces ADSL modem connection Modem RJ 11 port LAN connection four 10Mbps 100Mbps dual speed Ethernet ports 1OBASE T 100BASE TX WLAN Interfaces Standard IEEE 802 11g and Super G 108Mbps Direct Sequence Spread Spectrum DSSS Transmission rate 108Mbps and 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 OFDM 118 APPENDIX C TECHNICAL SPECIFICATI
41. ay not start up properly afterwards If the Alert LED comes on continuously after a failed upgrade refer to Chapter 6 Troubleshooting Advanced 81 Advanced Static Route RIP Selecting Advanced from the main menu displays the following seven tabs in your Web browser window Static Route RIR DDNS Quality of Service ProxyARP Port Mapping and IPSec The Router supports static route functionality Select the Static Route tab to display the screen Figure 53 Static Route screen Subnet Mask F use Gateway IP Address I use Interface Routing Table Please enter the following values in the box respectively to specify a static route m Network Address the network address of the route If network address and subnet mask are both set to 0 0 0 0 this is the default route m Subnet Mask the subnet mask of the route If network address and subnet mask are both set to 0 0 0 0 this is the default route m Gateway the gateway used to route data to the network specified by the network address m The network interface associated with the IP address The Router supports the Routing Information Protocol RIP RIP allows you to set up routing information on one RIP enabled device and have 82 CHAPTER 5 ROUTER CONFIGURATION DDNS that routing information replicated to all RIP enabled devices on the network LAN and WAN interfaces can be configured independently of each other Select the RIP tab t
42. bout 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 9 Conventions 9 Related Documentation 10 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router 11 Firewall Router Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 16 HARDWARE INSTALLATION Introduction 19 Safety Information 19 Positioning the Router 19 Using the Rubber Feet 20 Stacking the Router 20 Wall Mounting 20 Before you Install your Router 21 Powering Up the Router 22 Connecting the Router 22 SETTING Up YOUR COMPUTERS Obtaining an IP Address Automatically 25 Windows 2000 25 Windows Vista 27 WindowsXP 27 Windows 95 98 ME 27 Macintosh 28 Disabling PPPoE and PPTP Client Software 28 Disabling Web Proxy 29 RUNNING THE SETUP WIZARD Accessing the Wizard 31 Welcome 33 Password 34 Time Zone 35 WAN Settings 36 LAN Settings 41 DHCP 41 Wireless Settings 42 Summary 44 ROUTER CONFIGURATION Navigating Through the Router Configuration Pages 45 Main Menu 45 Option Tabs 46 Welcome Screen 46 Notice Board 46 Password 47 Wizard 48 LAN Settings 48 Unit Configuration 4
43. chnology and All when the Router can transmit at all wireless rates The Basic Rate is not the actual rate of data transmission If you want to specify the Router s rate of data transmission configure the Transmission Rate setting Transmission Rate The rate of data transmission should be set depending on the speed of your wireless network You can select from a range of transmission speeds or you can select Auto Default to have the Router automatically use the fastest possible data rate and enable the Wireless Settings 63 Auto Fallback feature Auto Fallback will negotiate the best possible connection speed between the Router and a wireless client The default value is Auto Default Transmission Power Transmit Power Control The greater the transmission power used the larger the area a wireless network covers To minimize the likelihood of eavesdropping by unauthorized wireless users do not use more transmission power than necessary to cover the range needed by your wireless network Try using the Router at different levels of transmission power and determine how much power is needed to reach the wireless client such as a PC or access point that is farthest from the Router Then select the appropriate level Full Default Half Quarter Eighth or Min from the drop down menu The default is Full Default CTS Protection Mode CTS Clear To Send Protection Mode should be set to Auto Default The Router will automatically us
44. d When you have browsed to the Router log in using your system password default admin At the left side of all screens is a main menu as shown in Figure 26 on page 46 When you click on a topic from the main menu that page will appear in the main part of the screen m Welcome displays the firmware version of the Router allows you to change your password and launch the Wizard m LAN Settings allows you to configure IP address and subnet mask information set up DHCP server parameters and display the DHCP client list m Wireless Settings enables disables access from wireless computers configures WPA WPA2 or WEP encryption provides facilities for improving the security of the wireless network setup WMM parameters Wireless mode selection Mac Access Control and Advanced Wireless Settings m Internet Settings sets up Internet addressing modes m Firewall allows configuration of the Routers firewall features Virtual Servers Special Applications Content Filtering URL Filtering Internet Access Policy and SPI options m System Tools allows the administrator to perform maintenance activities on the Router 46 CHAPTER 5 ROUTER CONFIGURATION m Advanced allows you to monitor and configure the Router s advanced features including Static Route RIP DDNS IPSec Proxy ARP Port Mapping and QoS Quality of Service m Management displays the current status and activity logs of the Router SNMP e
45. d 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 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 Distribution System A system that can be comprised of a bridging and or a repeater mode In wireless bridging APs communicate only with each other to bridge together two separate networks In wireless repeating APs rebroadcast received signals to extend reach and range at the expense of throughput The Router uses wireless repeating 134 CHAPTER GLOSSARY WECA WEP Wi Fi Wireless Client Wireless LAN Service Area Wizard WLAN WPA Wireless Ethernet Compatibility Alliance An industry group formed to certify cross vendor interoperability and compatibility of 802 11b and 802 119 wireless networking products and to promote the standard for enterprise small business and home environments see also 802 11b 802 119 Wi Fi Wired Equival
46. de l nergie radio lectrique est interdite dans certains environnements L utilisateur devra se renseigner sur l autorisation de cette nergie dans la zone pr vue AVERTISSEMENT Faites tr s attention lors de l installation et de la d pose du groupe AVERTISSEMENT Seulement entasser le moyer avec les autres moyeux OfficeConnects AVERTISSEMENT Pour garantir le respect des normes internationales de s curit utilisez uniquement l adaptateur lectrique remis avec cet appareil AVERTISSEMENT La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise AVERTISSEMENT l appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme CEI 60950 Ces conditions 124 APPENDIX D SAFETY INFORMATION gt gt ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions AVERTISSEMENT l n y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs l int rieur du moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas tre r solu avec les actions de la r solution des probl mes dans ce guide contacter votre fournisseur AVERTISSEMENT D branchez l adaptateur lectrique avant de retirer cet appareil AVERTISSEMENT Ports RJ 45 Il s agit de prises femelle
47. dress IP Address Expires In Client Type On the List 18 hours 43 Apply argaret tvucjm 00 0D 60 76 B8 53 192 168 1 2 minutes 48 LAN r seconds Log Out The DHCP Lease table screen list the client s name MAC Address IP Address and Expiration time which reflects the value specified in DHCP server setting in Unit Configuration on this chapter Wireless Settings p The Wireless Settings menu provides options described in the following sections To improve the security of your wireless network 3Com recommends that you 1 Change the SSID from its default value 2 Enable Encryption 3 Enable Connection Control 52 CHAPTER 5 ROUTER CONFIGURATION Configuration Figure 32 Configuration Screen Service Area Name SSID Service Area Name SSID Channel Selection Enable Wireless Networking Use this check box 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 Country Domain Please select your country from the drop down list Wireless Mode You may choose from the menu to let your wireless network to operate in a 802 11b 802 119 SuperG or Mixed 11b 11g which is the default Channel Selection Select a number from the drop down list to specify which Channel the Router will transmit and receive on If another access point or Router nearby is using the same Channel
48. e Internet Settings Week Day Firewall System Tools I Everyday 24Hours 4 Cm Tl wl ml FP sal su o9 2 09 09 7 09 vance Management Diagnostics Device Info Support Feedback Log Out Click Add Rule at the Schedule Rules screen 2 Enter the Schedule name and give a brief description 3 Check the appropriate check box for each day you want to block access Content Filter gt gt and enter the times for each day in 24 hour clock format You can subscribe to the 3Com Content Filter Service which enables you to block or allow the URLs of a number of pre defined categories The Router comes with a 14 day free trial of the 3Com Content Filter Service To activate the 14 day free trial of the service you must first register your Router at www 3com com TO continue using the service after the trial period you must purchase the full 3Com Content Filter Service 3CSBCFS URL filtering rules supersede content filtering rules If the 3Com Content Filter is blocking certain Web sites that you want to allow you can add these sites to URL Filter s allow list 74 CHAPTER 5 ROUTER CONFIGURATION URL Filter To activate Content Filtering 1 Select Firewall from the main menu then select the Content Filter tab The Content Filter screen displays Figure 47 Content Filter Screen o 3Com Welcome iceConnect bs wireless 108Mbps m eer ROLE Firewall Virtual Servers Special Apps D
49. e CTS Protection Mode when your Wireless G products are experiencing severe problems and are not able to transmit to the Router in an environment with heavy 802 11b traffic This function boosts the Router s ability to catch all Wireless G transmissions but will severely decrease performance If you do not want to use CTS Protection Mode at all select Disabled XR Mode The Extended Range mode can be enabled to further extend the wireless coverage to eliminate dead spots or corners in your office Frame Burst Mode Enabling this option should provide your network with greater performance depending on the manufacturer of your wireless products If you are not sure how to use this option keep the default Enabled Beacon Interval The default value is 100 The Beacon Interval value indicates the frequency interval of the beacon A beacon is a packet broadcast by the Router to synchronize the wireless network DTIM Interval This value indicates the interval of the Delivery Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages When the Router has buffered broadcast or multicast messages for associated clients it sends the next DTIM with a DTIM Interval value Its clients hear the beacons and awaken to receive the broadcast and multicast messages The default value is 1 64 CHAPTER 5 ROUTER CONFIGURATION WDS Fragmentation Threshold This
50. e 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 VORSICHT Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Ger t vorhanden Wenn Sie ein Problem mit dem Router haben das nicht mittels der Fehleranalyse in dieser Anleitung pue Consignes importantes de s curit 123 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 s curit gt PPS SF B AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour garantir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Router fournit et utilise de l nergie radio lectrique radio fr quence rf L utilisation
51. e components Any unauthorized product changes or modifications will invalidate 3Com s warranty and all applicable regulatory certifications and approvals This product can only be used with the supplied antenna s The use of external amplifiers or non 3Com antennas may invalidate regulatory certifications and approvals CAUTION EXPOSURE TO RADIO FREQUENCY RADIATION This device generates and radiates radio frequency energy In order to comply with FCC radio frequency exposure guidelines for an uncontrolled environment this equipment must be installed and operated while maintaining a minimum body to antenna distance of 20 cm approximately 8 in The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess of Health Canada limits for the general population consult Safety Code 6 obtainable from Health Canada s website www hc sc gc ca rpb This product must maintain a minimum body to antenna distance of 20 cm Under these conditions this product will meet the Basic Restriction limits of 1999 5 19 EC Council Recommendation of 12 July 1999 on the 138 CHAPTER REGULATORY NOTICES US Radio Frequency Requirements USA FEDERAL COMMUNICATIONS COMMIISSION FCC limitation of exposure of the general public to electromagnetic fields 0 Hz to 300 GHZ This device must not be co located or operated in conjunction with any other antenna or transmitter
52. ed or reexported to i any U S or EU sanctioned or embargoed country or to nationals or residents of such countries or ii to any person entity organization or other party identified on the U S Department of Commerce s Table of Denial Orders or the U S Department of Treasury s lists of Specially Designated Nationals and Blocked Persons as published and revised from time to time iii to any party engaged in nuclear chemical biological weapons or missile proliferation activities unless authorized by U S and local as required law or regulations 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 and developed solely at private expense The Software is delivered as iCommercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a 126 APPENDIX E END USER SOFTWARE LICENSE AGREEMENT commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in this Agreement which is 3Com s standard co
53. emote computer s IP Address otherwise enter a subnet and the corresponding subnetmask in the field provided Port Mapping Advanced 87 Key Exchange Method Select IKE or Manual from the drop down list box Manual is useful for troubleshooting when you have problems using IKE key management Pre Shared Key Type your pre shared key in this field Enter 8 to 31 case sensitive ASCII characters Both routers which would build a VPN tunnel must use the same pre shared key Port Mapping supports multiple ports to PVC and bridging groups Each group will perform as an independent network To support this feature you must create mapping groups with appropriate LAN and WAN interfaces using the Add button The Remove button will remove the grouping and add the ungrouped interfaces to the Default group Figure 59 The Port Mapping Screen To create a new mapping group Enter the Group name and select interfaces from the available interface list and add it to the grouped interface list using the arrow buttons to create the required mapping of the ports The group name must be unique A maximum 16 entries can be configured Click Apply to make the changes effective immediately 88 CHAPTER 5 ROUTER CONFIGURATION gt Do not alter any settings unless you are an experienced network administrator Management Syslog The management Screen lets you administer your routers with features such as System Log SNMP UPnP Trust Station
54. en is used to display the ARP status 98 CHAPTER 5 ROUTER CONFIGURATION Support Feedback Selecting Support Feedback from the main menu displays the Status Logs Routing Table and Syslog screens in your Web browser window Support Feedback Selecting Support Feedback from the main menu displays the Support and Feedback screens Support Figure 72 Support Screen ov 3com welcome Support LAN Settings This Administration System contains a comprehensive online help system that gives explanations N k and instructions about configuring the OfficeConnect ADSL Wireless 108Mbps 119 Firewall Router Wireless Settings l Internet Settings Table of Contents Firewall System Tools If additional assistance is required please select one of the following links Advanced Support from your Network Supplier Support from 3Com Management CET i r i Diagnostics Device Info Selecting the Support option on the main menu displays the support links screen which contains a list of Internet links that provide information and support concerning the Route Support Feedback 99 Feedback Figure 73 Feedback Screen Som k always looking for prodat keete e a eade f you can do o by clicking on connect you to 3Com website None of the fields are mandatory just provide the information you wish Ed dent ad jo Nh Bleich pt H you need assistance dick on the Support option on the left _Provide Feedback ME Pt USE LANA co
55. enote a new term at the place where it is defined in the text wm Identify menu names menu commands and software button names Examples From the Help menu select Contents Click OK Related In addition to this guide each Router document set includes one Documentation Installation Guide This guide contains the instructions you need to install and configure your Router 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 The OfficeConnect product range from 3Com has changed all this bringing networks to the small office The products that compose the OfficeConnect range give you the small office user the same power flexibility and protection that has been available only to large corporations Now you can network the computers in your office connect them all to a single Internet outlet and harness the combined power of all of your computers OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router The OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router is designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Router also provides protection in the form of an electronic
56. ent Privacy A shared key encryption mechanism for wireless networking Encryption strength is 40 64 bit or 128 bit Wireless Fidelity This is the certification granted by WECA to products that meet their interoperability criteria see also 802 11b WECA The term used to describe a desktop or mobile PC that is 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 INDEX A Addresses IP 113 Administration Password 34 47 Advanced 81 DDNS 82 RIP 81 static route 81 Automatic Addressing 115 C Cable Specifications 119 Channels 137 Configuration backup 79 restore 79 Conventions notice icons About This Guide 9 text About This Guide 10 Country Selection 32 D DDNS 82 84 DHCP 41 51 115 DHCP Server 28 Discovery Application 111 DNS 26 39 primary 39 secondary 39 DoS attacks 70 Dynamic IP Address 38 66 E encryption 54 WPA 76 F Firewall 66 SPI 70 INDEX 135 Forgotten Password 102 I Internet addresses 113 Internet Addressing Mode 36 Internet Settings 65 PPPoE 66 PPTP
57. er countries licensed exclusively through X Open Company Ltd Netscape Navigator is a registered trademark of Netscape Communications JavaScript is a trademark of Sun Microsystems Wi Fi and the Wi Fi logo are registered trademarks of the WI Fi Alliance IEEE 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 a
58. ering 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 packets to addressed devices An IP address consists of 32 bits divided into two or three fields a network number and a host number or a network number a subnet number and a host number Internet Protocol Address A unique identifier for a device attached to a network using TCP IP The address is written as four octets separated with periods full stops and is made up of a network section an optional subnet section and a host section ISP LAN MAC MAC Address MTU NAT Network Network Interface Card NIC Protocol 131 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
59. ery 5 0 x Welcome This application will help you to find and configure your OfficeConnect product Please select the network interface that your product is connected to IP address of adapter 161 71 121 154 pas Cane 2 When the Welcome screen is displayed click on Next and wait until the application discovers the Routers connected to your LAN 112 APPENDIX A USING DISCOVERY Figure 75 Discovered Router Screen 3Com OfficeConnect Discovery V5 0 xj Discovered Devices Please choose a Device to configure 3 Figure 76 shows an example Discovered Devices screen Highlight the Router by clicking on it and press Next Figure 76 Discovery Finish Screen 3Com OfficeConnect Discovery V5 0 EN xl Completing the OfficeConnect Discovery Application Communication with your OfficeConnect Device has been successful You are now ready to configure the Device using its set up Wizard If you lose contact with the Device you should re launch the Discovery application To exit the application and launch the set up Wizard for your Device click Finish 4 Click on Finish to launch a web browser and display the login page for the Router 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 m
60. ess 108Mbps 11g Firewall Router Country Configuration Please select your country domain Status Accessing the Wizard 33 6 When you have selected a country either m The Welcome screen will appear Figure 12 Select the Wizard tab and click Wizard Or wm f your Router has not been configured before the Wizard will launch automatically refer to Figure 13 7 Click Next 8 You will be guided step by step through a basic setup procedure Welcome Figure 12 Welcome Screen acom Welcome Welcome LAN Settings Wireless Settings Internet Settings Firewall The SPI Firewall is Switched on System Tools Wireless Encryption is Switched off Advanced Management Diagnostics Device Info Support Feedback tog out 34 CHAPTER 4 RUNNING THE SETUP WIZARD Password Figure 13 gt Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Advanced Management Diagnostics Device Info Support Feedback Figure 14 Internet Settings Firewall System Tools Management Diagnostics Device Info Support Feedback Wizard Screen M OfficeConnect abs Wireless 108Mbps 119 Firewall Router Notice Board Password Wizard Setup Wizard Next gt gt This Wizard will help you quickly configure your Router to access the Internet Once completed you can use the left hand menu to access more configuration options Please see the User Guide for further details
61. f 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 this Agreement Modification reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Union OEU 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 This product Software and or technical data collectively Product may contain encryption This Product is subject to U S and EU export control laws and regulations and may be subject to export or import regulations in other countries including controls on encryption products You agree that you will not export reexport or transfer the Product or any copies thereof or any products utilizing the Product 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 reexport transfer or import the Product In addition to the above the Product may not be used by or export
62. features to further guard your networks from internet attacks AN PC Privileges Firewall 71 Email Alert Use this feature if you want the router to send you an email if a DoS attack has attempted Connection Policy These settings determine the timeouts between the router s recognizing and blocking DoS attempts before allowing legitimate traffic using these protocols to be permitted Do not adjust these settings unless you are confident in your reconfigured settings ALG Check this box if you use a SIP phone with the router Figure 45 PC Privileges Screen LofficeConnect vs wireless 108Mbps 119 Firewall Router Firewall Restricted Client PC Client PC Description Client PC IP Address 192 168 1 Service Name Detail Description Bypass HTTP Ref URL Filter Page n ET HIP Ref Content Filter Page r Managemen x a Service Name Detail Description Blockingi Diagnostics M HTTP TCP Port 00 3120 0000 0000 0001 Device d SMIP ICP Port 25 Support Feedback NNTP ICP Port 119 POPS TOP Port 110 rang HTTPS TEP Port 443 l FTP TOP Port 21 TOP Port 23 H 323 ICP Port 1720 UDP Port 53 UDP Port 161 162 TER Port 1723 UDP Port 1701 All TCP Port All UDP Port except DNS port 53 ain anianaanannmnman a Select PC Privileges to display the PC Privilege setup screen Access from the local network to the Internet can be controlled on a computer by computer basis In the defa
63. flashing the link is OK and data is being transmitted or received over the internet If the LED is off this can also indicate the login has failed on a PPPoE or PPPoA ADSL connection The Sync DSL LED and Data DSL LED are excellent diagnostic indicators If interpreted correctly they can give a reliable indication of the cause of an ADSL connection failure Rear Panel The rear panel Figure 4 of the Router contains four LAN ports one Ethernet ADSL port a power adapter OK LED and a power adapter socket Figure 4 Router Rear Panel Wireless Antennae 5 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 ADSL Port Using the RJ11 cable provided connect your Router to the telephone Socket via a splitter or Using the RJ45 cable provided connect your Router to the telephone socket via a splitter 9 Power Adapter Socket 10 11 12 Rear Panel 17 Only use the power adapter supplied with this Router Do not use any other adapter Power Adapter OK LED Green Indicates that the power adapter is supplying power to the Router If the LED is off there may be a problem with the power adapter or adapter cable Reset Button Press this button to reset your Router to factory default Four 10 100 LAN ports Using suitable RJ 45 cable you can connec
64. gs Welcome LAN Settings Wireless Settings Internet Settings Authentication Method AUTO Firewall I Dial on demand with idle timeout timer System Tools Advanced I Manual IP Address Configuration Management T Manual DNS Server Configuration optional i i ATM Parameters Diagnostics Device Info VPI 0 255 Support Feedback VCI 32 65535 e Encapsulation Mode VCMUX z togou Service Category optional UBR Without PCR Network Address Translation Settings Status Ready To setup the Router for use with a PPPoA connection 1 Enter your PPP over ATM user name in the PPP User Name text box 2 Enter your PPP over ATM password in the PPP Password text box 3 Select Dial on Demand if you want the internet connection dropped when there is no activities with the Internet Enter an idle time from the Maximum Idle Time drop down list This is the amount of time without Internet activity that you want to allow before the Router ends the PPPoE session 4 Manual IP Address DNS Server configuration Enter the IP Address that you would like to be assigned to the router s WAN interface if you have required one from your ISP And enter the DNS Server s IP Address if it is given by your ISP optional 5 Check all of your settings and then click Next VPI VCI VPI Virtual Path Identifier and VCI Virtual Channel Identifier define an ATM PVC Permanent Virtual Circuit Please obtain these values from your ISP Acces
65. he Router 3Com wireless access points and OfficeConnect hubs and switches provide a simple reliable means of expanding your network contact your supplier for more information or visit http www 3com com Does the Router support virtual private networks VPNs The Router supports VPN passthrough which allows VPN clients on the LAN to communicate with VPN hosts on the Internet It is also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to but this is not a recommended configuration Where can download software updates for the Router Updates to the Router software are posted on the 3Com support web site accessible by visiting http www 3com com What other online resources are there The 3Com Knowledgebase at http knowledgebase 3com com is a database of technical information covering all 3Com products It is updated daily with information from 3Com technical support services and it is available 24 hours a day 7 days a week 3Com Warranty and Before you contact 3Com for warranty support whenever possible Support Services please first register your product at http eSupport 3com com Registration helps us to provide faster service when you contact us To ensure that we use your time wisely please be prepared to provide us with information on what you have done already to try to solve the problem as well as the following details 3Com Warranty and
66. he Router contains a Dynamic Host Configuration DHCP server that can automatically configure the TCP IP settings of every computer on your network 42 CHAPTER 4 RUNNING THE SETUP WIZARD Wireless Settings Figure 23 DHCP Server Setup Screen Local Area Network LAN Setup Ir Address 192 be fi bh Subnet Mask Ges pss Pas o DHCP Parameters Setup IV Enable DHCP Server Start IP Address 192 168 bh E Auto IP Range End IP Address 192 168 fi 254 Leased Time hour 24 3Com NBX Call Processor d I optional T Enable DHCP Server Relay To activate the DHCP Server option select Enable the DHCP server with the following settings and specify the IP pool range The largest available continuous IP pool will be automatically entered if this is not appropriate make your required changes To disable DHCP select Do not enable the DHCP server Click Next when you have finished Figure 24 Wireless Configuration Screen 0 on 3Com Welcome LAN Settings Wireless Settings Internet Settings Firewall System Tools Advanced Management Diagnostics Device Info Support Feedback t ADSL Wireless 108Mbps 11g Firewall Router Wizard Wireless Service Area Name SSID m Next gt gt Channel Selection Channel Avo See 7 Cancel Status Ready This screen displays the Channel and Service Area Name It also allows you to change these settings There are a maximum of 14 channels the
67. he connectivity If this resolves the problem consider relocating the Wireless computer or the Router or trying a different channel on the Router Sources of interference The 2 4Ghz ISM band is used for 802 11b and 802 11g This is generally a licence free band for low power applications and you may have other devices at your location that operate in this frequency band You should take care to ensure that there are no devices like microwave ovens for example close to the Router or wireless computers as this could affect receiver 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 Most wireless computer Adapters will scan the channels for the wireless Router If a wireless computer has not located the Router then try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to correspond to the Router channel number Please refer to your Wireless computer adapter documentation and vendor to do this Speed of connection The 802 11b and 802 11g standards will automatically choose the best speed depending on the quality of your connection As the signal quality weakens then the speed falls back to a lower speed The speeds supported by 802 11g are 54 Mbps 48 Mbps 36 Mbps 24 Mbps 18 Mbps 12 Mbps and 6 Mbps The speeds supported by 802 11b are 11 Mbps
68. he denied Wireless PCs list if Connection Control is enabled See page 59 Enable Broadcast SSID Disable this feature after you have installed your wireless network to improve the security of your network When the check box is checked the Router will broadcast the Service Area Name SSID of your wireless network which reduces the security of your Router as it allows any wireless client to see your wireless LAN If you have a wireless client that can detect all the available SSIDs in your area your client will not list the Router SSID unless this feature is enabled The clients will still be able to connect provided that they are supplied with the SSID 3Com recommends that you install your wireless network with this feature enabled and then disable it once you have set up the Router and wireless clients 54 CHAPTER 5 ROUTER CONFIGURATION Encryption ES Profile Support for NICs You may save your wireless settings here by clicking Save Profile Please choose Save to Disk option when a dialog box opens Thus you may save your wireless settings to an external file and later on use this file to import the settings with supported 3Com Wireless Network Cards When setting up wireless networks it is important to remember that with encryption disabled anyone with a Wireless PC can eavesdrop on your network 3Com recommends that you get the network working with encryption disabled first and then enable it as the last step This wi
69. he following conditions are met for all of the linked APs 1 Both AP s WDS should be enabled 2 APs are configured with the same Channel SSID and Encryptions 3 Each AP should have a different IP Address Internet Settings Before you can configure the Router you need to know the IP information allocation method used by your ISP There are five different ways that ISPs can allocate IP information as described below 1 PPPoA PPP over ATM The ISP provides the IP addressing information for you to enter manually To configure the Router you will need to know the following m User name m Password m Authentication Method 66 CHAPTER 5 ROUTER CONFIGURATION PPPoE PPP over Ethernet provides routing for multiple PCs this mode is often used for the DSL connection To configure this function correctly you should obtain the information from your ISP Dynamic Fixed IP in 1483 Bridge Mode In this mode of connection your ADSL router simply acts like a modem but can also carry multiple upper layer protocols such as IP IPX and NetBIOS Please consult your ISP for the necessary configuration information IPoA IP over ATM It is a technique which transmits IP packets over the ATM network Please consult your ISP for the necessary configuration information Bridging Mode In this mode your ADSL router simply acts like a modem when connecting to the internet Thus you may have seperate DSL connections behind via a computer o
70. he port numbers are specified using a comma separated list with dash to denote port number ranges So for example entering 2 3 5 7 would cause ports 2 3 5 6 and 7 to be activated 68 CHAPTER 5 ROUTER CONFIGURATION Special Applications D Figure 42 Special Applications Screen iceConnect Abs wireless 108Mbps 11g Firewall Router 0 Firewall Help Remaining number of entries that can be configured 32 Apply Application Name Select an application Select One E Cancel C Custom application SS Trigger Port Trigger Protocol Open Port en Protocol TP z TP x TP E TCP r Log Out Some software applications require special or multiple connections to the Internet and these would normally be blocked by the firewall For example Internet Telephony or Video conferences require multiple connections So that these special applications can work properly and are not blocked the firewall needs to be told about them In each instance there will be a trigger port and incoming port s where traffic on the trigger port tells the firewall to open the incoming ports Each defined Special Application only supports a single computer user and up to32 Special Applications can be defined Any incoming ports opened by a Special Application trigger will be closed after five minutes of inactivity To configure special applications 1 Click Add to open the Special Applications screen 2 Select an application fro
71. hod The WMM screen gives two separate menus to set up the parameters one is for Access Point and the other one is for Wireless Stations 58 CHAPTER 5 ROUTER CONFIGURATION Figure 36 WMM Screen b andBK ACM 0 0 for BE BK 0 15 0 4000 for vi and vo us CIE 8 BERR 11 1504 D E llle 5 0 15 0 0 for BE and BK 71 0 1992 tor VI and vo Typically voice and video traffic types are delay sensitive but are tolerant of some frame losses On the other hand data traffic type is delay tolerable but requires loss free transmission So you may adjust theses parameters with regard to the characteristics of these types of data to better manage your network flow AC Access Category It uses 4 different ACs from high to low VO Voice VI Video BE Best Effort BK Background AIFS Arbitrary Interframe Space An Interframe Space for different Access Category TXOP Transmission Opportunity WMM Wireless Multimedia Transmission Opportunity defined by IEEE 802 11e the TXOP is the interval of time when a particular STA station has the right to initiate transmissions ACM Admission Mandatory Advertised in the EDCA parameter set element to indicate the admission control is required for each of the ACs EDCA AP Paramenters Theses values of AIFS CWmin and CWmax are announced by the AP via beacon frames The AP can adapt these parameters dynamically depe
72. ications are subject to change without notice Copyright 2008 3Com Corporation All rights reserved 3Com and OfficeConnect are registered trademarks of 3Com Corporation All other company and product names may be trademarks of their respective companies 10015251
73. indows 95 98 NT Me 2000 XP Unix Mac OS 8 5 or higher m An Ethernet 10Mbps or 10 100 1000 Mbps NIC for each computer to be connected to the four port switch on your Router m An 802 11b or 802 119 wireless NIC m An active ADSL subscription and connection a A Web browser that supports JavaScript such as Netscape 4 7 or higher Internet Explorer 5 0 or higher or Mozilla 1 2 1 or higher Front Panel The front panel of the Router contains a series of indicator lights LEDs that help describe the status of various networking and connection operations Figure 3 Router Front Panel 3CRWDR200A 75 Alert Power WLAN Sync Data DSL DSL OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router Alert LED Orange Indicates a number of different conditions as described below Off The Router is operating normally Flashing quickly Indicates one of the following conditions Front Panel 15 m The Router has just been started up and is running a self test routine or m The administrator has invoked the Reset to Factory Defaults command or m The system software is in the process of being upgraded In each of these cases wait until the Router has completed the current operation and the alert LED is Off Flashing slowly The Router has completed the Reset to Factory Defaults process and is waiting for you to reset the unit To do this remove power wait 10 seconds and then re apply power The Router
74. ion deklaruoja kad is RLAN device atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas Latvian Ar o 3Com Corporation deklar ka RLAN device atbilst Direktvas 1999 5 EK btiskajm prasbm un citiem ar to saisttajiem noteikumiem A copy of the signed Declaration of Conformity can be downloaded from the Product Support web page for the 3CRWDR200A 75 amp 3CRWDR200B 75 at http www 3com com EUROPE RESTRICTIONS FOR USE OF 2 4GHz FREQUENCIES IN EUROPEAN COMMUNITY COUNTRIES mThis device may be operated indoors or outdoors in all countries of the European Community using the 2 4GHz band Channels 1 13 except where noted below min Italy the end user must apply for a license from the national spectrum authority to operate this device outdoors min Belgium outdoor operation is only permitted using the 2 46 2 4835 GHz band Channel 13 min France outdoor operation is only permitted using the 2 4 2 454 GHz band Channels 1 7 Brazil RF Compliance Este equipamento opera em car ter secund rio isto n o tem direito a protec o contra interferencia prejudicial mesmo de estacoes do mesmo tipo e n o causar interferencia a sistema operando em car ter prim rio 3COM N 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 specif
75. is booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 0034504 3Com is not responsible for any radio or television interference caused by unauthorized modification of the devices included with this 3Com OfficeConnect ADSL Wireless108Mbps 11g Firewall Router WL 553 or the substitution or attachment of connecting cables and equipment other than specified by 3Com MANUFACTURER S DECLARATION OF CONFORMITY 139 The correction of interference caused by such unauthorized modification substitution or attachment will be the responsibility of the user MANUFACTURER S DECLARATION OF CONFORMITY 3Com Corporation 350 Campus Drive Marlborough MA 01752 3064 USA 800 527 8677 Date 03 20 2007 Declares that the Product Brand Name 3Com Corporation Model Number WL 553 Equipment Type 3Com OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router 3Com OfficeConnect ADSL Wireless108Mbps 11g Firewall Router C Model WL 553 Complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CANADA INDUSTR YCANADA IC This device complies with RSS 210 of Industry Canada Operation is subject to the following two conditions 1 this device may not cause interference and
76. is 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 108Mbps 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 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 i gt instructions 10 CHAPTER ABOUT THIS GUIDE Table 1 Notice Icons Icon Notice Type Description Caution Information that alerts you to potential loss of data or potential damage to an application system or device injury f Warning Information that alerts you to potential personal 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 m Emphasize a point m D
77. layed As you connect more devices to the Wireless LAN the client list will grow to a maximum of 64 the maximum number of wireless devices that the Router can support The router provides some advanced wireless functionalities to let the users better manage their wireless network 62 CHAPTER 5 ROUTER CONFIGURATION Figure 39 Advanced Wireless Settings Screen AUTO peii s Ente Dees XR Mode extended Range Datei Tun efautt 100 milliseconds Range 40 1000 1 Default 1 Range 17255 2 46 Default 2346 Range 256 2346 Lann Default 2346 Range 02346 Authentication Type The default is set to Auto Default allows either Open System or Shared Key authentication to be used With Open System authentication the sender and the recipient do NOT use a WEP key for authentication With Shared Key authentication the sender and recipient use a WEP key for authentication Basic Rate The Basic Rate setting is not actually one rate of transmission but a series of rates at which the Router can transmit The Router will advertise its Basic Rate to the other wireless devices in your network so they know which rates will be used The Router will also advertise that it will automatically select the best rate for transmission The default setting is Default when the Router can transmit at all standard wireless rates 1 2Mbps 5 5Mbps 11Mbps 18Mbps and 24Mbps Other options are 1 2Mbps for use with older wireless te
78. ll simplify setting up your network The Router supports the following types of encryption m WPA WPA2 Mixed WPA WPA2 Wi Fi Protected Access WPA is a subset of the IEEE 802 11i standard Both WPA and WPA2 use Temporal Key Integrity Protocol TKIP Message Integrity Check MIC and IEEE 802 11x In addition to TKIP WPA2 also uses Advanced Encryption Standard AES The mixed mode will let you choose the encryption mechanism interchangeably with either TKIP or AES m WEP Wireless Equivalent Privacy WEP is a 64 bit or 128 bit encryption method with user configurable fixed keys m WPA Radius WPA2 Radius Mixed WPA WPA2 Radius features using of a RADIUS server with the pre shared key authentication method This should only be used when a RADIUS server is connected to the Router WPA and WPA2 provides a higher level of security provided by its longer key and dynamic changes made to the key over time 3Com recommends that you use WPA with any clients which support it If you enable encryption on the Router you must reconfigure your wireless PCs to use exactly the same Encryption Type and Keys otherwise the devices will not understand each other The encryption methods used by the Router secure data transmitted through wireless communications between the Router and its wireless clients Enabling encryption has no security effect on data transmitted through wired Ethernet connections or through your connections to the Internet
79. lle altre disposizioni pertinenti stabilite dalla direttiva 1999 5 CE Spanish Por medio de la presente 3Com Corporation declara que el RLAN device cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE Portuguese 3Com Corporation declara que este RLAN device est conforme com os requisitos essenciais e outras disposic es da Directiva 1999 5 CE Malti Hawnhekk 3Com Corporation jiddikjara li dan RLAN device jikkonforma mal tiijiet essenzjali uma provvedimenti orajn relevanti li hemm fid Dirrettiva 1999 5 EC Estonian K esolevaga kinnitab 3Com Corporation seadme RLAN device vastavust direktiivi 1999 5 EU p hin uetele ja nimetatud direktiivist tulenevatele teistele asjakohastele s tetele Hungarian Alulirott 3Com Corporation nyilatkozom hogy a RLAN device megfelel a vonatkoz alapvet k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el r sainak Slovak 3Com Corporation tymto vyhlasuje Ze RLAN device spa z kladn po iadavky a v etky pr slu n ustanovenia Smernice 1999 5 ES Czech 3Com Corporation t mto prohla uje e tento RLAN device je ve shod se z kladn mi po adavky a dal mi p slu n mi ustanoven mi smrnice 1999 5 ES Slovene Siuo 3Com Corporation deklaruoja kad is RLAN device atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas Lithuanian Siuo 3Com Corporat
80. m the drop down menu or enter the application name 3 Enter the Triggered port and the forwarded range in the text boxes 4 Select the Enabled box to make it activated DMZ Firewall 69 Click Apply to save the configuration and apply the changes The Router will automatically allow FTP and NetMeeting sessions You do not need to configure these as Special Applications Only one computer on your network can use the special application at any one time Figure 43 DMZ Screen Single DMZ DMZ Host IP Address d 4 Clear save Mutliple DMZ Entry pply Reboot DMZ De Militarized Zone Host is a computer without the protection of the firewall This feature allows a single computer to be exposed to unrestricted 2 way communication from outside of your network This feature should be used only if the Virtual Server or Special Applications options do not provide the level of access needed for certain applications Single DMZ To configure one of your computers as a DMZ host enter the IP address of the computer in the DMZ Host IP Address and then click Save Apply Multiple DMZ You may enable the multiple DMZ function if you have more than one registered public IP assigned to your server Please enter the Public IP 70 CHAPTER 5 ROUTER CONFIGURATION Address and the corresponding LAN IP Address in the fields and click Add to add the Entry Click Apply Reboot to apply your settings SPI Stateful Packet Inspecti
81. mmercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable TERM AND TERMINATION The licenses granted hereunder are perpetual unless terminated earlier as specified below You may terminate the licenses and this Agreement at any time by destroying the Software and Documentation together with all copies and merged portions in any form The licenses and this Agreement will also terminate immediately if you fail to comply with any term or condition of this Agreement Upon such termination you agree to destroy the Software and Documentation together with all copies and merged portions in any form LIMITED WARRANTIES AND LIMITATION OF LIABILITY All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software Such warranties and limitations of liability are incorporated herein in their entirety by this reference GOVERNING LAW This Agreement shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods 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
82. mputers that will be connected to the four LAN ports on the rear panel if desired m allows easy viewing of the front panel LED indicator lights and access to the rear panel connectors if necessary 20 CHAPTER 2 HARDWARE INSTALLATION Using the Rubber Feet Stacking the Router D When positioning your Router ensure m It is out of direct sunlight and away from sources of heat m Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers m Water or moisture cannot enter the case of the unit m 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 other flat top OfficeConnect units Only stick the feet to the marked areas at each corner of the underside of your Router If you are stacking your Router with other OfficeConnect units install the Router at the top of the stack Refer to the documentation supplied with your other OfficeConnect unit for details on using the stacking clip A stacking clip is not supplied with the Router Use the stacking clip supplied with another stackable OfficeConnect unit Wall Mounting gt There are two slots on the underside of the Router that can be used for wall mounting
83. n the IEEE 802 3 standard for Ethernet and is an operation that takes place in a few milliseconds The information capacity measured in bits per second that a channel can transmit The bandwidth of Ethernet is 10 Mbps the bandwidth of Fast Ethernet is 100 Mbps The bandwidth for 802 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 1OBASE T and Fast Ethernet networks 100BASE TX and can transmit data up to speeds of 100 Mbps Category 5 cabling is better to use for network cabling than Category 3 because it supports both Ethernet 10 Mbps and Fast Ethernet 100 Mbps speeds Similar to any radio device the OfficeConnect 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 Domain Name Server A method that enables Internet users to tie their domain name s to computers or servers DDNS enables a domain name to follow an IP address automatically when the IP address changes Dynamic Host Configuration Protocol This protocol
84. nable disable and remote management control m Device Info Providing the configuration summary and statistics on your LAN WAN ATM ADSL connection m Support Feedback contains a comprehensive online help system and allows you to provide 3Com with feedback on your Router Option Tabs Each corresponding menu page may also provide sub sections which are accessed through the use of tabs see Figure 26 for example To access a sub section simply click on the required tab Getting Help On every screen a Help button is available which provides access to the context sensitive online help system Click Help for further assistance and guidance relating to the current screen Welcome Screen The Welcome section allows you to view the Notice board and to change your Password You can also gain access to the Configuration Wizard Notice Board Figure 26 Notice Board Screen Password VV cone Welcome Screen 47 The Notice Board is used to display firmware version and configuration warning messages For example you would be warned if you had disabled wireless networking or wireless encryption Figure 27 Password Screen EM Officecor scom Welcome Change Admin Password Old Password New Password Maximum 16 characters Confirm Password Login Timeout 5 1 99 minutes System Tools Note Password is case sensitive Welcome LAN Settings wireless Settings Internet Settings Firewall Advanced Management
85. nding on the network conditions Basically the smaller AIFS and CWmin the shorter the channel access delay for the corresponding Connection Control Wireless Settings 59 priority and hence the more capacity share for a given traffic condition However the probability of collisions increases when operating with smaller CWmin These parameters can be used in order to differentiate the channel access among different priority traffic EDCA STA Parameters Each station maintains a Contention Window CW which is used to select the random back off counter The BC is determined as a random integer drawn from a uniform distribution over the interval 0 CW The CW size is initially assigned CWmin and increases when a transmission fails i e the transmitted data frame has not been acknowledged After any unsuccessful transmission attempt another back off timer is performed with an upper bound of CWmax This reduces the collision probability in case there are multiple stations attempting to access the channel CW min should be smaller for delay sensitive data CW max should be smaller for delay sensitive data AIFSN should be smaller for delay sensitive data TXOPLimit These will allow multiple MAC frames consecutively as long as the whole transmission time does not exceed the TXOP limit So keep it larger for delay sensitive data ACM Admission Mandatory could be turned on to mandatory execution of the contention control You can rest
86. ngs EE Restore Configuration Data Firewall Please select the location of a previously backed up configuration file on your PC using the browse button below then press the Restore button System Tools Advanced Management Reset to Factory Default Diagnostics Device Info Support Feedback Log Out Please press the Reset button to restore configuration to factory default Note All current configuration will be lost Select the Configuration tab to display the Configuration screen Backup Configuration Click BACKUP to save the current Router configuration You will be prompted to download and save a file to disk Restore Configuration Data If you want to reinstate the configuration settings previously saved to a file press Browse to locate the backup file on your computer and then click RESTORE to copy the data into the Router s memory i gt The password will remain unchanged Reset to Factory Default If you want to reset the settings on your Router to those that were loaded at the factory click RESET You will lose all your configuration changes The Router LAN IP address will revert to 192 168 1 1 and the DHCP server on the LAN will be enabled You may need to reconfigure and restart your computer to re establish communication with the Router 80 CHAPTER 5 ROUTER CONFIGURATION Upgrade Figure 52 Upgrade Screen System Tools Upgrade Firmware This allows you to upgrade the software installed on
87. number available to you is dependent on the country you reside in Selecting Clear Channel Select from the Channel drop down list allows Accessing the Wizard 43 the Router to automatically select an available channel when first powered on The Service Area Name default for 3Com products is 3Com Up to 32 case sensitive characters can be entered for the Service Area Name 3Com strongly recommends that you change the SSID to something other than the default Click Next when you have finished If you are configuring the Router from a wireless computer any changes you make to the wireless configuration will result in communication between the Router and your computer being lost This is why 3Com strongly recommends that you configure the Router from a wired computer It is very important that you set up your wireless clients to use the same Service Area Name or SSID as the one you use on this screen If your clients use a different Service Area Name then they will not be able to communicate with the Router The choice of channel is less important as Clients will generally search all of the available channels You should however make a note of the channel you select as this may be useful if you experience problems with your clients 44 CHAPTER 4 RUNNING THE SETUP WIZARD Summary Figure 25 Configuration Summary Screen ADSL Wireless 108Mbps 11g Firewall Router 0 Wizard Summary Sicomo ard a lt lt
88. o display the screen Figure 54 RIP screen or Routing RIP Configuration wep Setting Up RIP Check the Enable RIP Mode check box if you want the Router to start routing via RIP 1 Select either 7 for RIPv1 or 2 for RIPv2 from the Version drop down list Select from either Passive or Active in the Operation drop down list If you select Active the Router transmits RIP update information to other RIP enabled devices If you select Passive the Router only receives RIP update messages Check to Enable the process Dynamic Domain Name Server DDNS enables you to map a static domain name to a dynamic IP address The Router supports five DDNS providers TZO com DYNDNS org Zoneedit NO IP DtDns Before you can set up DDNS you must obtain an account password and static domain name from your DDNS provider DDNS is disabled by default 1 BR WN Advanced 83 To set up DDNS Select Advanced from the main menu then select the DDNS tab The DDNS screen displays Figure 55 DDNS screen ADSL Wireless 108Mbps 11g Firewall Router 0 Advanced Front Mapping IPSec ProxyARP DD Help Add dyna D DNS provider DynDNS org v Add Hostname Remov Interface S Cancel Username Password D D O Diagno Hostname Username Service Interface Remove Log Out Select a DDNS Service provider from the drop down list This can be TZO com DynDNS org DtDns NOIP or Zoneedit com TZO com If yo
89. on SPI inspects and if required blocks packets at the application layer SPI also maintains TCP and UDP session information including timeouts and the number of active sessions and provides the ability to detect and prevent certain types of network attacks such as DoS attacks Denial of Service DoS attacks are aimed at devices and networks with a i gt connection to the Internet The goal is not to steal information but to disable a device or network so users no longer have access to network resources To configure SPI information on your Router 1 Select Firewall from the main menu then select the SP tab to display the SPI screen Figure 44 SPI Screen E OfficeConnect Abs wireless 108Mbps 11g Firewall Router acom Firewall Welcome Intrusion Dectection IV Enable SPI Hacker Pattern and Anti Dos Firewall BERE LAN Settings Wireless Settings Save T Enable Ping from Internet Internet Settings Apply Reboot Firewall Web Filters System Tools T Proxy T Java activex Cookies Advanced Email Alert Management T Enable email alert Connection Policy Diagnostics Fragmentation half open wait Device Info Support Feedback TCP SYN wait TCP FIN wait Logout TCP connection idle timeout UDP session idle timeout H 323 data channel idle timeout ALG Intrusion Detection Check on the box to enable the Stateful Packet Inspection SPI Hacker Pattern detection and Denial of Services DoS
90. one from the pull down menu check the daylight savings option if required and then click Next The Daylight Savings option advances the system clock by one hour It does not cause the system clock to be updated for daylight savings time automatically 36 CHAPTER 4 RUNNING THE SETUP WIZARD WAN Settings Figure 16 Internet Settings Screen Support Feedback Wizard Internet Settings T Dial on demand with idle timeout timer 7 Manual IP Address Configuration V Manual DNS Server Configuration optional ATM Parameters VPI 0 255 0 VCI 32 65535 Ba Encapsulation Mode VOMUX Service Category optional UBR Wrbeat PCR DI Network Address Translation mee Status Ready This Internet Addressing Mode window allows you to set up the Router for the type of Internet connection you have Before setting up your Internet connection mode have the account information from your ISP ready Select an Internet Addressing mode from the following PPPoE PPPoA Dynamic Fix IP in 1483 Bridge Mode IP over ATM Bridging Accessing the Wizard 37 PPPoE Mode Figure 17 PPPoE Screen i OfficeConnect abs wireless 108Mbps 11g Firewall Router Wizard Internet Settings Connection Parameters ne Welcome LAN Settings Wireless Settings Internet Settings j Firewall Authentication Method AUTO Dial on demand with idle timeout timer System Tools Advanced Management Manual IP Add
91. ost 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 m An IP address m ASubnet Mask Each device on your network must have a unique IP address to operate correctly An IP address identifies the address of the device to which data is being sent and the address of the destination network IP addresses have the format n n n x where n is a decimal number between 0 and 255 and x is 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 114 APPENDIX B 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 1 8 However the size of the ne
92. r router Enter the following parameters in the configuration VPI Virtual Path Identifier from O to 255 which is assigned by your ISP VCI Virtual Channel Identifier from 32 to 65535 which is assigned by your ISP Encapsulation Mode Select from either VC or LLC Firewall Virtual Servers On the main frame of the Firewall setup screen is a menu with eight tabs Virtual Servers Special Applications DMZ SPI PC Privileges Schedule Rules Content Filter and URL Filter Selecting the Firewall option on the main menu displays the Virtual Servers setup screen Firewall 67 Figure 41 Virtual Servers Screen Virtual Server Activating and configuring a virtual server allows one or more of the computers on your network to function as a public server For example one of your computers could be configured as an FTP server allowing others outside of your office network to download files of your choosing Or if you have created a Web site you can configure one of your computers as a Web server so that others can view your Web site To configure a virtual server 1 Select an application from the drop down menu or fill in the blank fields to specify your own application 2 The port s that will be used will be shown for acommon application or you may enter the port numbers required for that service if it is not pre defined 3 Enter the last digit of the LAN server IP address 4 Click Apply to apply the changes T
93. ralization of all network address settings DHCP m Acts as a Virtual server to enable remote access to Web FTP and other services on your network m Security Firewall protection against Internet hacker attacks and encryption to protect wireless network traffic m Filtered access of inappropriate Web sites using the built in URL filter m Internet Access Policy to schedule your Internet Acccess rules with options in keywords and applications blocking a Wireless Multimedia to maximize the quality of your internet service with traffic prioritization Package Contents The Router kit includes the following items m One OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router m One power adapter for use with the Router m Four rubber feet m One RJ 11 cable typically a telephone cable if your model is 3CRWDR200A 75 a One RJ 45 cable typically an Ethernet cable if your model is 3CRWDR200B 75 a One CD ROM containing the Router Discovery program and this User Guide m Installation Guide m One Support and Safety Information Sheet 14 CHAPTER 1 INTRODUCING THE ROUTER a One Warranty Flyer If any of these items are missing or damaged please contact your retailer Minimum System and Component Requirements Your Router requires that the computer s and components in your network be configured with at least the following m A computer with an operating system that supports TCP IP networking protocols for example W
94. ress Configuration T Manual DNS Server Configuration optional Diagnostics Device Info ATM Parameters Support Feedback VPI 0 255 VCI 32 65535 Be tog out Encapsulation Mode LLCSNAP BRIDGING Service Category optional UBR Without PCR Network Address Translation Settings Status Ready To setup the Router for use with a PPP over Ethernet PPPoE connection use the following procedure Enter your PPP user name in the PPPoE User Name text box 2 Enter your PPP password in the PPPoE Password text box 3 Enter your PPP over Ethernet service name in the PPPoE Service Name text box Do not enter anything in this box if your ISP does not require a service name Select Dial on Demand if you want the the internet connection dropped when there is no activities with the Internet Enter an idle time from the Maximum Idle Time drop down list This is the amount of time without Internet activity that you want to allow before the Router ends the PPPoE session Manual IP Address DNS Server configuration Enter the IP Address that you would like to be assigned to the router s WAN interface if you have required one from your ISP And enter the DNS Server s IP Address if it is given by your ISP optional Check all of your settings and then click Next 38 CHAPTER 4 RUNNING THE SETUP WIZARD PPPoA Mode Figure 18 The PPPoA Screen iceConnect Abs Wireless 108Mbps 11g Firewall Router Wizard Internet Settin
95. rict certain wireless clients from accessing the router by specifying their MAC address and enabling access restriction 60 CHAPTER 5 ROUTER CONFIGURATION Figure 37 Connection Control Screen EA OfficeConnect asi Wireless 108Mbps 119 Firewall Router acom Wireless Settings Welcome MAC Address Filtering LAN Settings Wireless Settings Access rule for registered MAC address Apply Reboot Internet Settings allow C Deny Firewall System Tools MAC Address Filtering List Advanced Wireless DHCP Client List Copy to 1 e Management I MAC Address Filtering List iv Diagnostics 1 o cp E L WO 20 000 00 is 3 LT CC CC 4 Dm ggf gef Fee 5 Dp p ob v 6 p p op 0 7 tee 8 E GE 9 Dm emm gf ECC ECL ECL EC d LLL E LL Dm mei gef To specify that only certain wireless computers can connect to the Router select allow deny and then enter the MAC addresses of the wireless clients You may enter a maximum of 64 PCs in the list Click Save to save your existing configurations or Cancel to discard all changes Client List Advanced Wireless Settings Wireless Settings 61 Figure 38 Client List Screen The Wireless Client List provides details on the devices that are connected to the Wireless LAN The list is only created when Wireless Networking is enabled For each device that is connected to the Wireless LAN the MAC address and Connection Speed of that device is disp
96. rrect power adapter for your Router You should only use the power adapter supplied with your Router If both the Power Adapter OK LED and Power LED are off check your power adapter connection If the mains outlet is working and is capable of supplying power to other devices contact 3Com Technical Support and ask for a replacement power adapter Please quote the power adapter part number shown on the OfficeConnect power adapter you are using Alternatively quote the part number for your region Power Adapter Part Numbers Part Number Region 3C15VUK UK 3C15VME European 3C15VUS US 3C15VAA Asia 106 CHAPTER 6 TROUBLESHOOTING Alert LED The Alert LED will flash when the Router unit is first powered up while the system software checks the hardware for proper operation Once the Router has started normal operation the Alert LED will go out m Ifthe Alert LED does not go out following start up but illuminates continuously this indicates that the software has detected a possible fault with the hardware Remove power from the Router wait 10 seconds and then re apply power If the Alert LED comes on continuously again then a fault has been detected Locate the copy of the Router software on the accompanying CD ROM or 3Com web site http www 3com com and upload it to the Router to see if this clears the fault refer to Recovering from Corrupted Software below If this does not fix the problem contact your supplier for f
97. rresponding LAN status LED on the Router lights Connecting the Router 23 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 m Service Area Name SSID 3Com m Channel 11 24 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 If your computers are configured with fixed or static addresses and you do not wish to change this then you should use the Discovery program on the Router CD ROM to detect and configure your Router Refer to Appendix A for information on using the Discovery program Obtaining an IP Address Automatically Windows 2000 uU A WN Refer to the section below that relates to your operating s
98. rts 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 122 APPENDIX D SAFETY INFORMATION gt gt WARNING Disconnect the power adapter before moving the unit WARNING RJ 45 ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets Only connect RJ 45 data connectors to these sockets Wichtige Sicherheitshinweise op rrr e p VORSICHT Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen m ssen Alle Anweisungen sind sorgf ltig zu befolgen Sie m ssen die folgenden Sicherheitsinformationen sorgf ltig durchlesen bevor Sie das Ger ts installieren oder ausbauen VORSICHT Der Router erzeugt und verwendet Funkfrequenz RF In manchen Umgebungen ist die Verwendung von Funkfrequenz nicht gestattet Erkundigen Sie sich bei den zust ndigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausbau des Ger ts ist mit h chster Vorsicht vorzugehen VORTSICHT Stapeln Sie das Ger ts nur mit anderen OfficeConnect Ger tes zusammen VORSICHT Aufgrund von internationalen Sicherheitsnormen darf das Ger t nur mit dem mitgelieferten Netzadapter verwendet werden VORSICHT Die Netzsteckdose muB in der N he des Ger ts und leicht zug nglich sein Di
99. s 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 IMPORTANT READ BEFORE INSTALLING THE SOFTWARE 3Com 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 i3COMi 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 iSoftwaref and accompanying documentation the iDocumentation 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 Soft
100. s met de essenti le eisen en de andere relevante bepalingen van richtlijn 1999 5 EG Bij deze verklaart 3Com Corporation dat deze RLAN device voldoet aan de essenti le eisen en aan de overige relevante bepalingen van Richtlijn 1999 5 EC French Par la pr sente 3Com Corporation d clare que l appareil RLAN device est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE Par la pr sente 3Com Corporation d clare que ce RLAN device est conforme aux exigences essentielles et aux autres dispositions de la directive 1999 5 CE qui lui sont applicables Swedish H rmed intygar 3Com Corporation att denna RLAN device star verensst mmelse med de v sentliga egenskapskrav och vriga relevanta best mmelser som framgar av direktiv 1999 5 EG Danish Undertegnede 3Com Corporation erkleerer herved at folgende udstyr RLAN device overholder de v sentlige krav og vrige relevante krav i direktiv 1999 5 EF German Hiermit erkl rt 3Com Corporation dass sich dieser diese dieses RLAN device in bereinstimmung mit den grundlegenden Anforderungen und den anderen relevanten Vorschriften der Richtlinie 1999 5 EG befindet BMWi Hiermit erkl rt 3Com Corporation die bereinstimmung des Ger tes RLAN device mit den grundlegenden Anforderungen und den anderen relevanten Festlegungen der Richtlinie 1999 5 EG Wien 142 device conforme ai requisiti essenziali ed a
101. sing the Wizard 39 Dynamic Fixed IP in 1483 Bridge Mode Figure 19 The Dynamic Fixed IP in Bridge Mode Wizard Internet Settings Connection Parameters Protocol Dyrarsc Preed IP in 1483 Badge Mode V Manual IP Address Configuration T Manual Default Gateway Configuration V Manual DNS Server Configuration optional ATM Parameters VPI 0 255 VCI 32 65535 7 Encapsulation Mode LLCSNAP BRIDGING Service Category optional UBR Without PCR Network Address Translation Settings To setup the Router for use with a Dynamic Fixed IP in 1483 Bridge Mode connection use the following procedure Manual IP Address Configuration You may enter the router s WAN IP address and subnet mask here if your ISP has given you a static IP Address Manual Default Gateway Configuration Enter the gateway s IP address or select the WAN interface to use to connect to it Manual DNS Server Configuration Your ISP may provide you with primary and secondary DNS addresses If they have been provided enter the addresses in the appropriate text boxes If not leave 0 0 0 0 in the boxes Check all of your settings and then click Next 40 CHAPTER 4 RUNNING THE SETUP WIZARD IP over ATM Mode IPoA Figure 20 The IP over ATM Screen T ADSL Wireless 108Mbps 11g Firewall Router Wizard Internet Settings RR M UR Des bss Jess fo manual Default Gateway Configuration F Manual DNS Server Configuration optional VPI
102. t and GetNext requests from the management station Type the Set Community which is the password for incoming Set requests from the management station Type the System Name for the program Type the System Location for the program Type the System Contact for the Contact person s name Type the IP Address of the station device for sending your SNMP traps to Click Apply Universal Plug and Play UPnP is a distributed open networking standard that uses TCP IP for simple peer to peer network connectivity between devices UPnP compatible devices can dynamically join a network and learn about other devices on the network UPnP hardware will be shown in the Network Connections folder in Windows XP Trusted Station Management 91 Figure 62 The UPnP Screen OfficeConnect aps wireless 108Mbps 119 Firewall Router System Log SNMP UPnP Trust Station Remote Management Utility UPnP Help uPnP Enabled Apply Internet Settings Firewall System Tools Advanced gt Management Diagnostics Device Info Support Feedback Check UPnP Enabled to activate UPnP Figure 63 The Trusted Station Screen S OfficeConnect aps wireless 108Mbps 11g Firewall Router System Log SNMP upap Trust Station Remote Management utility Welcome Trust Station Setting Melp LAN Settings UL ENSE T Enable Trust Station Apply emus Ada Firewall Mac address d Remove System Tools MAC Address Remove Remove All Advanced gt Management
103. t Configure to Using DHCP Server Close the TCP IP dialog box and save your changes Restart your computer Disabling PPPoE and PPTP Client Software LA N If you have PPPoE or PPTP client software installed on your computer you will need to disable it To do this From the Windows Start menu select Settings Control Panel Double click on Internet Options Select the Connections Tab A screen similar to Figure 8 should be displayed Select the Never Dial a Connection option Figure 8 Internet Properties Screen General Security Content Connections Programs Advanced e Use the Internet Connection Wizard to setup connect your computer to the Internet r Dial up settings EA Connection Default Add Remove Settings Never dial a connection C Dial whenever a network connection is not present C Always dial my default connection Current Dial up Connection r Local Area Network LAN settings LAN Settings OK Cancel Apply You may wish to remove the PPPoE client software from your computer to free resources as it is not required for use with the Router Disabling Web Proxy 29 Disabling Web Ensure that you do not have a web proxy enabled on your computer Proxy 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
104. t your Router to a computer or to any other piece of equipment that has an Ethernet connection for example a hub or a switch The LAN ports will automatically set themselves to MDI or MDIX depending on the device to which they are connected and the type of cable used 18 CHAPTER 1 INTRODUCING THE ROUTER HARDWARE INSTALLATION Introduction Safety Information AN AN AN This chapter will guide you through a basic installation of the Router including m Connecting the Router to the Internet m Connecting the Router to your network m Setting up your computers for networking with the Router WARNING Please read the Safety Information section in Appendix D before you start VORSICHT Bitte lesen Sie den Abschnitt Wichtige Sicherheitshinweise sorgf ltig durch bevor Sie das Ger t einschalten AVERTISSEMENT Veuillez lire attentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Router You should place the Router in a location that a is conveniently located for connection to the telephone socket that will be used to connect to the Internet a is centrally located to the wireless computers that will connect to the Router A suitable location might be on top of a high shelf or similar furniture to optimize wireless connections to computers in both horizontal and vertical directions allowing wider coverage m allows convenient connection to the co
105. te a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 une 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com OfficeConnect and the 3Com logo are registered trademarks of 3Com Corporation Intel 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 oth
106. te format timing sequencing and error control 132 CHAPTER GLOSSARY PPPoE PPTP QoS RIP RJ 45 Server SPI SSID SNMP Subnet Address Subnet mask 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 QoS stands for Quality of Service QoS is a generic name for a set of algorithms which attempt to provide different levels of quality to different types of network traffic Routing Information Protocol RIP allows an administrator to set up routing information on one RIP enabled device and have that routing information replicated to all RIP enabled devices on the network A standard connector used to connect Ethernet networks The RJ stands for registered jack A computer in a network that is shared by multiple end stations Servers provide end stations with access to shared network services such as computer files and printer queues Stateful Packet Inspection This feature requires the firewall to remember what outgoing requests have been sent and only allow responses to those requests back through the firewall This way un requested attempts to access the network will be denied Service Set Identifier Some vendors of wireless products use SSID interchangeably wi
107. ter and re apply power to the Router 4 Using the Web browser on the computer enter the following URL in the location bar http 192 168 1 1 This will connect you to the Microcode 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 The Alert LED will go out Refer to the Installation Guide to reconnect your Router with your ADSL service 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 reset the Router to Factory Defaults See Forgotten Password and Reset to Factory Defaults on page 102 How many computers on the LAN does the Router support A maximum of 253 computers on the LAN are supported Please note that the performance will degrade with increase number of users How many wireless clients does the Router support A maximum of 128 wireless clients are supported There are only 4 LAN ports on the Router How are additional computers connected 108 CHAPTER 6 TROUBLESHOOTING You can expand the number of connections available on your LAN by using hubs switches and wireless access points connected to t
108. th ESSID Simple Network Management Protocol It is used by network management systems to communicate with network elements 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 Subnets Switch TCP IP Traffic universal plug and play URL Filter WAN WDS 133 as opposed to valid IP address numbers recognized by the Internet which must assigned by InterNIC A network that is acomponent of a larger network A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments Switches are similar to bridges in that they connect LANs of a different type however they connect more LANs than a bridge and are generally more sophisticated Transmission Control Protocol Internet Protocol This is the name for two of the most well known protocols developed for the interconnection of networks Originally a UNIX standard TCP IP is now supported on almost all platforms and is the protocol of the Internet TCP relates to the content of the data travelling through a network ensuring that the information sent arrives in one piece when it reaches its destination IP relates to the address of the en
109. tics Please the want button to get information p Sp Fu m ATM Statistics Please the AIM button to get information l tatistics is the ADGL button to t information WE e The Statistics Screen is used to display the information of your LAN WAN ATM ADSL Connection Statistics Click on the button for each connection device for more detailed information DeviceInfo 97 Route Figure 70 The Route Screen EAR OfficeConnect aos wireless 108Mbps 119 Firewall Router 3com Summary wan Statistics Route ARP Route fo OO LAN Settings Hags U up reject G gateway H host R reinstate Wireless Settings D dynamic redirect M modified redirect Internet Settings Firewall Destination Gateway Subnet Mask Hag Metric Service Interface System Tools 2240 0 1 0 000 255 255 255 255 m n bro Advanced 224 0 1 134 0 0 0 0 255 255 255 255 UH 0 bro Management 192 168 1 0 02020 255 255 255 0 u n bro Diagnostics Device Info Support Feedback The Route Screen is used to display the routing status information ARP Figure 71 The ARP Screen H OfficeConnect bs Wireless 108Mbps iig Firewall Router Summary wan Statistics Raute ARP Welcome ARP Info IP address Flags HW Address Device 192 160 1 2 Complete 00 00 60 7640 53 bro LAN Settings Wireless Settings Internet Settings Firewall System Tools Advanced Management Diagnostics Device Info Support Feedback Log Out The ARP scre
110. ties 7 Ensure that the options Obtain an IP Address automatically and Obtain Windows XP A W N ul Windows 95 98 ME DNS servers automatically are both selected Click OK If you are using a Windows XP computer use the following procedure to change your TCP IP settings From the Windows Start menu select Control Panel Click on Netmwork 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 If you are using a Windows 95 98 ME 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 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 28 CHAPTER 3 SETTING UP YOUR COMPUTERS Macintosh uU BR WN If you are using a Macintosh computer use the following procedure to change your TCP IP settings From the desktop select Apple Menu Control Panels and TCP IP In the TCP IP control panel set Connect Via to Ethernet In the TCP IP control panel se
111. tifier 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 from seeing your files or damaging your computers A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput of a link 130 CHAPTER GLOSSARY Router Half Duplex Hub IEEE IETF Infrastructure mode IP Address A device that acts as a central hub by connecting to each computer s network interface card and managing the data traffic between the local network and the Internet A system that allows packets to transmitted and received but not at the same time Contrast with full duplex 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 Institute of Electrical and Electronics Engineers This American organization was founded in 1963 and sets standards for computers and communications Internet Engine
112. tion 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 Router and NIC are illuminated and indicating the same speed 10Mbps or 100Mbps Some NICs do not have status LEDs in which case a diagnostic program may be available that can give you this information Ensure that you have configured your computer as described in Chapter 3 Setting Up Your Computers Restart your computer while it is connected to the Router to ensure that your computer receives an IP address When entering the address of the Router into your web browser ensure that you use the full URL including the http prefix e g http 192 168 1 1 Ensure that you do not have a Web proxy enabled on your computer Go to the Control Panel and click on Internet Options Select the Connections tab and click on the LAN Settings button at the bottom Make sure that the Proxy Server option is unchecked 102 CHAPTER 6 TROUBLESHOOTING m f you cannot browse to the Router use the winipcfg utility in Windows XP to verify that your computer has received the correct address information from the Router From the Start menu choose Run and then enter ema Check that the computer has an IP address of the form 192 168 1 xxx where xxx is in the range 2 254 the subnet mask is 255 255 255 0 and the default Router is 192 168 1 1 the address of the Router If these are not correct use the Re
113. ttings Firewall System Tools Advanced Management Summary WAN Statistics Route ARP General Information 3C Number JCRWDR200A 75 Software Version ICOM SuperGerry v3 3 A Ww Hardware Version 0 1 Wireless Version 0 1 Bootloader Version 1 0 37 10 1 Serial Number ISFSWWKBZTHET SPI Firewall Switched On Yes Content Filter Enabled No Protocol PPPoF Internet IP Address Not Applicable Subnet Mask Not Applicable ISP Gateway Address Not Applicable Primary DNS 10 5 1 101 Secondary DNS 10 5 1 102 MAL Address VOM KBB2 TFEB Internet Downstream Internet Upstream SNR Margin dB Attenuation dig Device Info 95 M OfficeConnect aost wireless 108Mbps 119 Firewall Router Refresh The Summary screen is used to display the information of your LAN status WAN Figure 68 The WAN Screen KZ OfficeConnect abs wireless 108Mbps 11g Firewall Router 3com welcome LAN Settings Wireless Settings Internet Settings Fireveall System Tools Advanced Management Diag Device Info Support Feedback Summary WAN Statistics Route ARP WAN Info VPI VCI Con ID Category Service Interface Protocol Jung QoS State Status IP Address The WAN Status Screen is used to display the information of your DSL Connection Status 96 CHAPTER 5 ROUTER CONFIGURATION Statistics Figure 69 The Statistics Screen 3scom Device Info Welcome vis Please press the LAN button to gel information ven WAN Statis
114. twork 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 1 8 is split into two parts m Part one 192 168 1 identifies the network on which the device resides m Part two 8 identifies the device within the network This type of IP Address operates on a subnet mask of 255 255 255 0 See Table 3 for an example about how a network with three computers and a Router might be configured Table 3 P Addressing and Subnet Masking Table 1 Device IP Address Subnet Mask PC 1 192 168 1 8 255 255 255 0 PC2 192 168 1 33 255 255 255 0 PC 3 192 168 1 188 255 255 255 0 Router 192 168 1 72 255 255 255 0 Type Two In larger networks where there are more devices the IP address of 192 168 1 8 is again split into two parts but is structured differently m Part one 192 168 identifies the network on which the device resides m Part two 1 8 identifies the device within the network This type of IP Address operates on a subnet mask of 255 255 0 0 How does a Device Obtain an IP Address and Subnet Mask 115 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 1 8 255 255 0 0 PC 2 192 168 201 30 255 25
115. u select TZO com In the Domain Name text box enter the domain name In the Username E mail text box enter the account name In the Key text box enter the account password In the Refresh Time box enter how often you want the service to automatically refresh in days The default is three days Click Apply to make this service active DynDNS org DtDns com Zoneedit com If you select DYNDNS org DtDns or Zoneedit com In the Host Name text box enter the host name In the Username text box enter the account name 84 CHAPTER 5 ROUTER CONFIGURATION In the Password text box enter the account password 4 Click add to add your DDNS ER WN Quality of Service gt Proxy ARP NOIP com In the Host Name text box enter the host name In the E mail text box enter the account name In the Password text box enter the account password Click save to save the changes and Apply to make this service active ADSL Wireless 108Mbps 11g Firewall Router Welcome 5 Quality of Service Setup LAN Settings Wireless Settings Internet Settings Choose Add or Remove to configure network traffic classes Firewall MARK TRAFFIC CLASSIFICATION RULES Source Destination System Tools des Class DSCP Queue 802 1P DSCP Source Source Dest Dest Advance Name Mark ID Mark Por Addr Mask Port Addr Mask Port C MAC Addr Mask Addr Mask Management Diagnostics
116. ult configuration the Router will allow all connected computers unlimited access to the Internet PC Privileges allows you to assign different access rights for different computers on your network 72 CHAPTER 5 ROUTER CONFIGURATION Schedule Rules To use access control for the computers Enter the PC s description and the range of the ip addresses Select to bypass the URL or Content Filter if you would like the clients to bypass the rules Please refer to the URL or Content Filter tab Please select to block specific services or protocols 4 You may also block additional ports by listing the port range in the User Defined Blocked Ports To apply a time schedule to the rule set up a schedule rule on the Scheduled Rules tab and then select the named rule in the pull down list Click Save to save the settings or Cance to discard them To assign different access rights for different computers click Add PC at the PC Privileges screen You can create up to 10 policies You can also schedule when PCs can access the Internet By default all PCs can access the internet all day every day The Schedule Rules work in conjuction with the PC Privileges so you can schedule when PCs can access the Internet To add the schedule Firewall 73 Figure 46 The Schedule Rules Screen l OfficeConnect aps wireless 108Mbps 119 Firewall Router Welcome 5 5 Edit Schedule Rule LAN Settings Name Wireless Settings Comment I ca
117. unchecked 30 CHAPTER 3 SETTING UP YOUR COMPUTERS 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 Router Refer to Chapter 2 for details on how to do this 2 Launch your Web browser on the computer 3 Enter the following URL in the location or address field of your browser http 192 168 1 1 The Login screen displays Figure 9 Web Browser Location Field Factory Default idit View History Bookmarks Tools Help e a C1 http 192 168 1 main html To log in as an administrator enter the password the default setting is admin in the System Password field and click Log in 32 CHAPTER 4 RUNNING THE SETUP WIZARD Figure 10 Router Login Screen Login Screen Enter Admin Password Admin Password default admin uam Diesen Natesthe parmerd a cate sensitive Chek here you cut r smambsee the pared Status 5 f the password is correct the Country Selection screen will appear Select the country you wish to configure the Router for then click Apply If you purchased your Router in the United States you do not see this screen as it is automatically set Figure 11 Country Selection Screen 229 OfficeConnect Abs wirel
118. urther advice wm During normal operation you may notice the Alert LED lighting briefly from time to time This indicates that the Router has detected a hacker attack from the Internet and has prevented it from harming your network You need take no specific action on this unless you decide that these attacks are happening frequently in which case you may wish to discuss this with your ISP The Router logs such attacks and this information is available through the Status and Logs screens Recovering from Corrupted Software p If the Alert LED remains permanently on following power up it is possible that the system software has become corrupted In this condition the Router will enter a recovery state DHCP is disabled and the LAN IP address is set to 192 168 1 1 Follow the instructions below to upload a new copy of the system software to a Router unit in this state Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD ROM The latest software is available on 3Com s Web site at http www 3com com Remove power from the Router and disconnect all your computers except for the one computer with the software image You will need to reconfigure this computer with the following static IP address information Frequently Asked Questions 107 m IP address 192 168 1 2 m Subnet mask 255 255 255 0 m Default Router address 192 168 1 1 Restart the compu
119. uthentication Method as its default Auto if your ISP does not specify this parameter If your ISP allocates fixed or static IP information you need the following information IP Address Subnet Mask Default Router address DNS address 22 CHAPTER 2 HARDWARE INSTALLATION i gt If your ISP allocates IP information dynamically over a protocol other than PPPoE you do not need any further information This configuration is typical of cable connections Powering Up the 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 an RJ110r RJ45 cable as appropriate with the splitter and then connect the Router to a computer in order to be able to access the Internet See Figure 5 Figure 5 Connecting the Router 3Com OfficeConnect Power ADSL Wireless 108Mbps 11g Firewall Router Supply Unit ar Wireless Users To use your Router to connect to the Internet through an DSL connection Insert one end of the supplied telephone RJ 11 cable into the ADSL port on the rear panel of the Router Check that the DSL Sync status LED lights on the Router Connect your computer to one of the four LAN ports on the Router using a Category 5 twisted pair cable Check that the co
120. value specifies the maximum size for a packet before data is fragmented into multiple packets If you experience a high packet error rate you may slightly increase the Fragmentation Threshold Setting the Fragmentation Threshold too low may result in poor network performance Only minor reduction of the default value is recommended In most cases it should remain at its default value of 2346 RTS Threshold Should you encounter inconsistent data flow only minor reduction of the default value 2347 is recommended If a network packet is smaller than the preset RTS threshold size the RTS CTS mechanism will not be enabled The Router sends Request to Send RTS frames to a particular receiving station and negotiates the sending of a data frame After receiving an RTS the wireless station responds with a Clear to Send frame to acknowledge the right to begin transmission The RTS Threshold value should remain at its default value of 2346 Do not alter these parameters unless you understand the implications WDS Wireless Distribution System is comprised of a bridging and or a repeater mode The Router supports the Wireless Distribution System WDS repeater mode WDS repeating enables one or more Access Points to rebroadcast received signals to extend range and reach though this can affect the overall throughput of data Internet Settings 65 Figure 40 WDS Screen Root AP only one C ient ap edbac To setup a WDS make sure that t
121. wall Router contains a Dynamic Host Configuration DHCP server that can automatically configure the TCP IP settings of every computer on your network Select Enable the DHCP server with the following settings Enter the start and end IP Address of your DHCP range Enter the leased time in hours to specify the frequency for DHCP assignment Check all of your settings and click Save then click Apply Auto IP Range Click this to automatically allocate valid hosts in this network ie Class C And there is 253 254 1 for the router available addresses in the network 3Com NBX Call Processor If you have 3Com NBX Call Processor enter its IP Address here Enable DHCP Server Relay Check this box to make the device act as a DHCP relaying agent Thus it forwards DHCP requests to your existing DHCP server instead Please enter your DHCP server s IP Address in the fields 50 CHAPTER 5 ROUTER CONFIGURATION StaticDHCP Figure 30 Static DHCP Assignment Screen Assignment To assign a LAN client with a static IP Address please do the following 1 Enter the IP Address that you would like to lease and the client MAC address in the fields appropriately The MAC Address must be entered as 6 hexadecimal pairs for example 12 34 56 78 90 ab Click Apply to apply your changes The device will now reboot DHCP Lease Table Wireless Settings 51 Figure 31 DHCP Lease Table Screen 0 LAN Settings D P Lea able Help Hostname MAC Ad
122. ware or Documentation in a time sharing arrangement or in any other unauthorized manner Further no license is granted to you in the human readable code of the Software source code Except as provided below this Agreement does not grant you any rights to patents copyrights trade secrets trademarks or any other rights with respect to the Software or Documentation Subject to the restrictions set forth herein the Software is licensed to be used on any workstation or any network server owned by or leased to you for your internal use provided that the Software is used only in connection with this 3Com product You may reproduce and provide one 1 copy of the Software and Documentation for each such workstation or network server on which the Software is used as permitted hereunder Otherwise the Software and Documentation may be copied only as essential for backup or archive purposes in support of your use of the Software as permitted hereunder Each copy of the Software and Documentation must contain 3Com s and its licensors proprietary rights and copyright notices in the same form as on the original You agree not to remove or deface any portion of any legend provided on any licensed program or documentation delivered to you under this Agreement ASSIGNMENT NO REVERSE ENGINEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation i
123. will then enter the start up sequence and resume normal operation On for 2 seconds and then off The Router has detected and prevented a hacker from attacking your network from the Internet Continuously on A fault has been detected with your Router during the start up process Refer to Chapter 6 Troubleshooting Power LED Green Indicates that the Router is powered on Wireless LAN WLAN Status LED Yellow If the LED is on it indicates that wireless networking is enabled If the LED is flashing data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Router or there is a problem Refer to Chapter 6 Troubleshooting Four LAN Status LEDs Green 100 Mbps link yellow 10 Mbps link If the LED is on the link between the port and the next piece of network equipment is OK If the LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected the connected device is switched off or there is a problem with the connection refer to Chapter 6 Troubleshooting The port will automatically adjust to the correct speed and duplex Sync DSL Status LED 16 CHAPTER 1 INTRODUCING THE ROUTER The LED lights up and stays on when the connection between ADSL service and the Router is OK If the LED is off nothing is connected or there is a problem refer to Chapter 6 Troubleshooting Data DSL Status LED If the LED is
124. ystem for details on how to obtain an IP address automatically If you are using a Windows 2000 based computer use the following procedure to change your TCP IP settings From the Windows Start Menu select Settings gt Control Panel Double click on Network and Dial Up Connections Double click on Local Area Connection Click on Properties A screen similar to Figure 6 should be displayed Select Internet Protocol TCP IP and click on Properties 26 CHAPTER 3 SETTING Up YOUR COMPUTERS Figure 6 Local Area Properties Screen Local Area Connection Properties MY NwLink NetBIOS M NwLink E M P 6 Ensure that the options Obtain an IP Address automatically and Obtain DNS server address automatically are both selected as shown in Figure 7 Click OK Figure 7 Internet Protocol TCP IP Properties Screen Internet Protocol TCP IP Properties 7 Restart your computer Windows Vista RB W N ul Obtaining an IP Address Automatically 27 If you are using a Windows Vista computer use the following procedure to change your TCP IP settings From the Windows start menu select Network Select Network Center option from the top menu Select Manage Networks from the left panel Double click on the Local Area Connection icon A screen titled Loca Area Connection Status will appear Click on Details and bring up the Local Area Connection Properties tab Select Internet Protocol TCP IP and click on Proper

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