3Com 3CRWDR100A-72 User Guide

3Com 3CRWDR100A-72 - OfficeConnect ADSL Wireless 11g Firewall Router Manual

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  • 3Com 3CRWDR100A-72 | User Guide - Page 1
    OfficeConnect ADSL Wireless 11g Firewall Router User Guide 3CRWDR100A-72 3CRWDR100B-72 3CRWDR100U-72 http://www.3com.com/ Part No. DUA100A-72AAA01 Rev. 01 Published September 2004 Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 2
    User Guide. Unless otherwise indicated, 3Com Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open
  • 3Com 3CRWDR100A-72 | User Guide - Page 3
    Up the Router 18 Connecting the Router 18 3 SETTING UP YOUR COMPUTERS Obtaining an IP Address Automatically 23 Windows 2000 23 Windows XP 25 Windows 95/98/ME 25 Macintosh 25 Disabling PPPoE and PPTP Client Software 26 Disabling Web Proxy 26 Downloaded from www.Manualslib.com manuals search engine
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    Special Applications 60 Virtual Servers 61 Client IP Filters 62 MAC Address Filtering 66 DMZ 67 Advanced 68 DDNS 70 SNMP 71 SNMP Community 71 SNMP Trap 72 System Tools 73 Restart Router 73 Reset to Factory Default 73 Backup/Restore Settings 74 Downloaded from www.Manualslib.com manuals search engine
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    Upgrade 74 Admin Password 75 Time and Time Zone 76 Status and Logs 77 ADSL Status 77 Logs 77 6 TROUBLESHOOTING Basic Connection Checks 79 Browsing to the Router Configuration Screens 79 Connecting to the Internet 80 Forgotten Password and Reset to Factory Defaults 80 Wireless Networking 81
  • 3Com 3CRWDR100A-72 | User Guide - Page 6
    Register Your Product 99 Purchase Value-Added Services 99 Troubleshoot Online 100 Access Software Downloads 100 Telephone Technical Support and Repair 100 Contact Us 101 GLOSSARY REGULATORY NOTICES FOR THE OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER INDEX Downloaded from www.Manualslib.com
  • 3Com 3CRWDR100A-72 | User Guide - Page 7
    in the release note. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com Naming Convention Throughout this guide, the OfficeConnect ADSL Wireless 11g Firewall Router is referred to as the
  • 3Com 3CRWDR100A-72 | User Guide - Page 8
    Italics are used to: ■ Emphasize a point. ■ Denote a new term at the place where it is defined in the text. ■ Identify menu names, menu commands, and software button names. Examples: From the Help menu, select Contents. Click OK. Feedback about this User Guide Your suggestions are very important
  • 3Com 3CRWDR100A-72 | User Guide - Page 9
    Technical Support, please refer to Appendix C. Related Documentation In addition to this guide, each Router document set includes one Installation Guide. This guide contains the instructions you need to install and configure your Router. Downloaded from www.Manualslib.com manuals search
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    10 ABOUT THIS GUIDE Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 11
    have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage. OfficeConnect ADSL Wireless 11g Firewall Router The OfficeConnect ADSL Wireless 11g Firewall Router is designed to provide a cost-effective means of
  • 3Com 3CRWDR100A-72 | User Guide - Page 12
    network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network. Figure 2 Example Network Using a Firewall Router Downloaded from www.Manualslib.com
  • 3Com 3CRWDR100A-72 | User Guide - Page 13
    the Router ■ Four rubber feet ■ One Telephone Cable ■ One CD-ROM containing this User Guide ■ Installation Guide ■ One Support and Safety Information Sheet ■ One Warranty Flyer If any of these items are missing or damaged, please contact your retailer. Downloaded from www.Manualslib.com manuals
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    lights (LEDs) that help describe the state of various networking and connection operations. Figure 3 Router - Front Panel 1 2 3 5 4 3CRWDR100A-72 OfficeConnect ADSL Wireless 11g Firewall Router Power SYNC OnlineWLAN LAN Status 1 2 34 Green = 100M, Yellow = 10M, Flash = Activity 1 Power LED
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    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". 5 LAN Status LEDs Green If the LED is on, the link between the port and the next piece of network equipment is OK. If the LED is
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    use the power adapter that is supplied with this Router. Do not use any other adapter. 9 Reset Button If you want to reset your Router to factory default settings, and cannot access the web management interface (for example, due to a lost password), then you may use this button. Refer to "Forgotten
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    ■ allows convenient connection to the computers that will be connected to the four LAN ports on the rear panel, if desired. ■ allows easy viewing of the front panel LED indicator lights, and access to the rear panel connectors, if necessary. Downloaded from www.Manualslib.com manuals search engine
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    . 3Com recommends you provide Router. Connecting the Router The first step for installing your Router is to physically connect it to the telephone socket and then connect it to a computer in order to be able to access the Internet. See Figure 5: Downloaded from www.Manualslib.com manuals
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    3Com OfficeConnect ADSL Wireless 11g Firewall Router Your PC Wireless Users 1 Run the provided telephone cable from the wall jack providing ADSL service to the ADSL port on your ADSL Router. filters to your phones as shown below (Figure 7) Downloaded from www.Manualslib.com manuals search engine
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    20 CHAPTER 2: HARDWARE INSTALLATION Figure 6 Installing with a splitter Downloaded from www.Manualslib.com manuals search engine
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    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: ■ Encryption - none ■ SSID - 3Com ■ Channel - 11 Downloaded
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    22 CHAPTER 2: HARDWARE INSTALLATION Downloaded from www.Manualslib.com manuals search engine
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    to allow this, follow the instructions in this chapter. Obtaining an IP Address Automatically Windows 2000 If you are using a Windows 2000-based computer, use the 8 should be displayed. Select Internet Protocol TCP/IP and click on Properties. Downloaded from www.Manualslib.com manuals search engine
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    Screen 6 Ensure that the options Obtain an IP Address automatically, and Obtain DNS server address automatically are both selected as shown in Figure 9. Click OK. Figure 9 Internet Protocol (TCP/IP) Properties Screen 7 Restart your computer. Downloaded from www.Manualslib.com manuals search engine
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    Menu, Control Panels, and TCP/IP. 2 In the TCP/IP control panel, set Connect Via: to Ethernet. 3 In the TCP/IP control panel, set Configure: to Using DHCP Server. 4 Close the TCP/IP dialog box, and save your changes. 5 Restart your computer. Downloaded from www.Manualslib.com manuals search engine
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    26 CHAPTER 3: SETTING UP YOUR COMPUTERS Disabling PPPoE and PPTP Client Software If you have PPPoE client software installed on your computer, you will need to disable it. To do this: 1 From the Windows Start menu, select Settings > Control Panel. 2 Double click on Internet Options. 3 Select the
  • 3Com 3CRWDR100A-72 | User Guide - Page 27
    .168.1.1 (Figure 11). The Login screen displays. Figure 11 Web Browser Location Field (Factory Default) 4 To log in as an administrator, enter the password (the default password is admin) in the Password field and click Log in (Figure 12). Downloaded from www.Manualslib.com manuals search engine
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    13). Select Setup Wizard from the menu. or ■ If your Router has not been configured before, the Wizard will launch automatically (refer to Figure 14). 6 You will be guided step by step through a basic setup procedure. Figure 13 Status Screen Downloaded from www.Manualslib.com manuals search engine
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    ■ Routing Mode over ATM - RFC1483 Routed Mode, for multiple PCs, see page 34 ■ Dynamic/Fixed IP in 1483 Bridge Mode (for multiple PCs), see page 35 and click Next. For further information on selecting a mode see "Internet Settings" on page 50. Downloaded from www.Manualslib.com manuals search engine
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    4: RUNNING THE SETUP WIZARD PPPoE Mode Figure 15 PPPoE Screen To setup the router for use with a PPP over Ethernet (PPPoE) connection, use the following procedure: 1 Enter your PPP over Ethernet user name in the Username text box. 2 Enter your PPP over Ethernet password in the Password text box
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    Mode Figure 17 PPPoA Screen To setup the router for use with a PPP over ATM (PPPoA) connection, use the following procedure: 1 Enter your PPP over ATM user name in the Username text box. 2 Enter your PPP over ATM password in the Password text box. Downloaded from www.Manualslib.com manuals search
  • 3Com 3CRWDR100A-72 | User Guide - Page 32
    Wireless Network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name. Bridge Mode (for a single PC) (RFC 1483 Bridged Mode) To setup the Router for use with an RFC1483 bridged connection: Downloaded from www.Manualslib.com manuals
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    Accessing the Setup Wizard 33 Figure 19 Bridged Mode Configuration Screen 1 Enter your VPI and VCI information in the VPI/VCI text boxes. 2 Select the encapsulation type (LLC or VC MUX) in the Encapsulation
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    ATM (RFC 1483 Routed Mode) To setup the Router for use with an RFC1483 routed connection: Figure 21 Routing Mode Screen 1 Enter your Internet IP address in the WAN IP text box. 2 Enter the subnet mask in the Subnet Mask text box. 3 Enter the default router in the Default Gateway text box. 4 Enter
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    Figure 23 Dynamic/Fixed IP for Bridge Mode Screen 1 Check the Get WAN IP By DCHP field if your ISP allocates IP addresses using DHCP. 2 Enter your Internet IP address in the WAN IP text box. 3 Enter the subnet mask in the Subnet Mask text box. Downloaded from www.Manualslib.com manuals search engine
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    the Wireless Channel you want to use from the Channel drop-down list. 10 Specify the SSID to be used by your Wireless Network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name. Downloaded from www.Manualslib.com manuals search
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    of the Router and then click Apply to save your settings. 3Com recommends that you print this page for your records. Your Router is now configured and ready for use. See Chapter 5 for a detailed description of the Router configuration screens. Downloaded from www.Manualslib.com manuals search engine
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    38 CHAPTER 4: RUNNING THE SETUP WIZARD Downloaded from www.Manualslib.com manuals search engine
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    the Router LAN IP address during initial configuration, use the new IP address instead. When you have browsed to the Router, log in using your system password (default password is the Router configuration, including the current Router status. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 40
    and Disconnect. These buttons allow you to manually connect or disconnect your router from your ISP's service. Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network. The factory default settings for the DHCP server will work in
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    LAN Setup 41 The Router will also provide you with a list of all client computers connected to the network. LAN Settings Figure 27 LAN Settings Screen The LAN Settings screen is used to specify the LAN IP address of your Router, and to configure the DHCP server. 1 Select LAN Settings and then
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    Protocol (IP) address issued to the client machine. ■ Host Name - The client machine's host name, if configured. ■ MAC Address - The Media Access Control (MAC) address of the client's network card. ■ Client Type - Whether the client is connected to the Router by wired or wireless connection. As
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    your LAN. When disabled, no wireless PCs can gain access to either the Internet or other PCs on your Wired or Wireless LAN through this Router. Select the required setting, and press Apply. Configuring Wireless Figure 30 Wireless Configuration Screen 1 Set the Wireless Channel you want to use from
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    know the name of your network first. 4 In the Wireless Mode drop down list, select whether your router will operate in 11b mode only, 11g mode only, or mixed 11b and 11g. 5 Click Apply required value from the drop down list, and press Apply. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 45
    is often useful to use this security mode. WPA-PSK (no server) Figure 32 WPA-PSK (no server) Screen WPA (WiFi Protected Access) provides dynamic key changes and constitutes the best security solution. In a wireless network where not all devices support WPA, WEP (Wired Equivalent Privacy) should be
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    your data securely over the wireless network. Matching encryption keys must be setup on your Router and wireless client devices to use WEP. 1 wireless network must be identical. In 128-bit WEP mode, only one WEP key (key 1) can be specified. 2 Click Apply. Downloaded from www.Manualslib.com manuals
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    mechanism to transmit your data securely over the wireless network. Matching encryption keys must be setup on your Router and wireless client devices to use WEP. 1 You can either in the wireless network must be identical. 2 Click Apply. Downloaded from www.Manualslib.com manuals search engine
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    network where not all devices support WPA, WEP (Wired Equivalent Privacy) should be used. Wireless Protected Access using a server to distribute keys to the clients: This option requires that a Radius server is running on the network. 1 Enter the IP address of the RADIUS server on your network
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    . To enable wireless repeating: 1 Check the Enable WDS check box 2 Enter the MAC address(es) of one or more access points in the AP MAC Address table. 3 Click Apply. To refresh the list of available access points, click Rescan Wireless Networking. Downloaded from www.Manualslib.com manuals search
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    ROUTER Bridge Mode (for a single PC) - RFC1483 Bridged Mode, for single PCs only (see page 53) ■ Routing Mode over ATM - RFC1483 Routed Mode, for multiple PCs (see page 54) ■ Dynamic/Fixed IP in 1483 Bridge Mode (for multiple PCs) (see page 55) Click Next. Downloaded from www.Manualslib.com manuals
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    ISP. 7 If you want your Router to connect to the Internet every time a PC needs to access it, check the Dial on Demand checkbox. If this box is not checked, then you will have to manually connect and disconnect using the buttons on the Status Screen (see page 39). Downloaded from www.Manualslib.com
  • 3Com 3CRWDR100A-72 | User Guide - Page 52
    default value. 10 Click Apply. PPPoA Figure 39 PPPoA Settings Screen 1 Enter the User Name assigned to you by your ISP in the User Name field. 2 Enter the Password assigned to you by your ISP in the Password field. Re-enter your password in the Retype Password field. 3 If your ISP assigns your IP
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    Router to connect to the Internet every time a PC needs to access it, check the Dial on Demand checkbox. If this box is not checked, then you will have to manually leave it at the default value. 9 Click Apply. Bridged Mode (For a Single PC) (RFC 1483 Bridged Mode) Figure 40 Bridge Mode (For Single PC
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    ROUTER CONFIGURATION Routing Mode over ATM (RFC 1483 Routed Mode) Figure 41 Routing Mode over ATM Screen 1 Enter the IP address, Subnet Mask and Default Gateway information provided by your ISP into the IP address, Subnet Mask and ISP Default . Downloaded from www.Manualslib.com manuals search engine
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    42 Dynamic/Fixed IP for Bridge Mode Screen 1 Check the Get WAN IP By DCHP field if your ISP allocates IP addresses using DHCP. 2 Enter your Internet IP address in the WAN IP text box. 3 Enter the subnet mask in the Subnet Mask text box. 4 Enter the default router in the ISP Default Gateway text box
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    do not require you to enter this information into the Router. If you are using a Static IP connection type, then you may need to enter a specific To reset the MAC Address to the default, select Reset MAC. 3 Click Apply to save the settings. Downloaded from www.Manualslib.com manuals search engine
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    routing parameters. Your Router supports the following routing and a subnet mask of 0.0.0.0 indicates the default route. ■ Gateway - the router used to route data to the network specified by type in the network address, subnet mask and router. To change an entry, click Edit and to delete
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    three modes of authentication: ■ None - Switches off authentication on the specified interface. ■ Password - An unencrypted text password that needs to be set on all RIP-enabled devices connected to this router. RIP information is not shared between devices whose passwords do not match. Downloaded
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    Firewall 59 7 In the Authentication Code field, enter the password that is required if the Password option has been selected. 8 Click Apply. Routing Table The Routing Table screen displays details for the default routing used by your Router and any routing created using Static Routing or RIP. Figure
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    CHAPTER 5: ROUTER CONFIGURATION your network completely vulnerable to hacker attacks, but 3Com recommends that you ports to be open for specific applications to work properly with the Network Address Translation (NAT) feature of the Router . Downloaded from www.Manualslib.com manuals search engine
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    route external (Internet) calls for services such as a web server (port 80), FTP server (Port 21), or other applications through your Router to your internal network. Since the application vendor to find out which port settings you need. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 62
    the appropriate Enable checkbox. 6 Click Apply to save the changes for each Virtual Server entry. Client IP Filters The Router can be configured to restrict access to the Internet, e-mail or other network services at specific days and times. Restriction can be set for a single computer, a range of
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    Client PC IP Address fields. 4 Select the services to be blocked. A list of popular services is given on this screen, to block a particular service place a check in the appropriate Blocking checkbox. If the service to be restricted is not listed on the screen, you can enter a custom range of ports
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    the Access Control section (see "Access Control" on page 62). From the Access Control Add PC section on this screen, check the option WWW with URL Blocking in the Client PC Service table to filter out the websites and keywords specified in the table. Downloaded from www.Manualslib.com manuals search
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    Schedule Rule Screen Firewall 65 The Router can be configured to restrict access to the Internet, e-mail or other network services at specific days and times. These schedule rules are used by the rules defined on the Access Control section of this screen (see "Access Control" on page 62). To add
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    or Deny to determine the access rights for the list of addresses defined in the MAC Address Filtering List. 3 To add entries to the MAC Address Filtering List: ■ Enter the MAC address of each client on your network to allow network access or Downloaded from www.Manualslib.com manuals search engine
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    the computer on the Internet at this address can access this PC without firewall protection. If the IP address is not known, or if more than one PC on the Internet will need to access this PC, then set the Public IP to 0.0.0.0. Click Apply. Downloaded from www.Manualslib.com manuals search engine
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    NAT Routers. For NAT-T to work, both ends of the connection need to support this function. Ensure that you select NAT-T only if it is needed as it will reduce LAN-WAN throughput. The ADSL Wireless 11g Firewall Router supports NAT-T draft 2 implementation. Downloaded from www.Manualslib.com manuals
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    ■ Click the check box to enable any PC on the network to remotely manage your Router ■ Enter one specific IP address that can remotely manage your router. This is more secure, as only the specified IP address will be able to manage the Router Downloaded from www.Manualslib.com manuals search engine
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    IP address. The Router supports two DDNS providers, TZO.com and DYNDNS. 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 , enter the account password. 4 Click Apply to make this service active. DynDNS If you
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    SNMP 71 3 In the Password text box, enter the account password. 4 Click Apply to make this service active. SNMP SNMP (Simple Network Management Protocol) allows remote management of your router by a PC that has an SNMP management agent installed. SNMP Community Figure 60 SNMP Community Screen
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    of the SNMP communication channel to which you want your router to send status messages. 3 Set the Version field to match the version of trap messaging that your SNMP management agent supports. The router supports V1 and V2c trap messaging. Downloaded from www.Manualslib.com manuals search engine
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    Using this option will reset all of the settings in the Router to the factory (default) settings. It is recommended that you backup your settings before you restore all of the defaults. To restore the factory default settings, click Reset. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 74
    file using the Browse button and click Restore. Upgrade Figure 65 Upgrade Screen From time to time 3Com may release new versions of the Router's firmware. Firmware updates contain improvements and fixes to problems that may have existed. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 75
    System Tools 75 Please download the firmware file to your PC first, and then click Browse and select the firmware file. Click Upgrade to upload the firmware to the Router. Admin Password Figure 66 Admin Password Screen The Router ships with a default password of admin. 3Com recommends that you
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    servers on the Internet and get a response. You cannot set the clock yourself. You can specify which SNTP servers the Router will use to update it's system clock, although doing this should only be necessary if you are experiencing difficulty. Downloaded from www.Manualslib.com manuals search engine
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    can use the Status Screen to view version numbers for your router's software and hardware and check the status of connections to WAN, LAN to gain access to your network as well as the system activities. ■ Click Refresh to update the display. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 78
    5: ROUTER CONFIGURATION ■ Click Clear to clear the log (note that all current entries will be erased). ■ Click Save to save the log to disk in a text file. When prompted for a location to save the file to, specify a filename and location, and then click OK. Downloaded from www.Manualslib.com manuals
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    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 sure that the Proxy Server option is unchecked. Downloaded from www.Manualslib.com manuals search engine
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    PPPoA user name and password are correct. ■ Ensure that your computers are not configured to use a Web proxy. On Windows computers, this can be found under Control Panel > Internet Options > Connections. Forgotten Password and Reset to Factory Defaults If you can browse to the Router configuration
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    has either Windows 95 or higher or MAC OS 8.5 or higher. ■ 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. ■ If
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    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
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    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
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    your LAN that clients elsewhere on the Internet can connect to, but this is not a recommended configuration. Where can I download software updates for the Router? Updates to the Router software are posted on the 3Com support web site, accessible by visiting: http://www.3com.com Downloaded from www
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    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 To manage a device
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    Table 3 for an example about how a network with three computers and a Router might be configured. Table 3 IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 Router IP Address 192.168.100.8 192.168.100.33 192.168.100.188 192.168.100.72 Subnet Mask 255.255.255.0 255.255.255.0 255.255.255.0 255
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    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
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    themselves the same address, the conflict is detected and one of the devices allocates itself a new address. Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 89
    OfficeConnect ADSL Wireless 11g Firewall Router. OfficeConnect ADSL Wireless 11g Firewall Router Interfaces DSL connection LAN connection - four 10Mbps/100Mbps dual speed Ethernet ports 128 bit WEP, WPA Maximum clients: 128 O/P Power: 18dBm Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 90
    90 APPENDIX B: TECHNICAL SPECIFICATIONS Maximum clients: 128 O/P Power 16dBm Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 8VA, 25 BThU/hr Humidity 0% 60068 (IEC 68) *See "FCC Statement" on page 111 for conditions of operation. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 91
    OfficeConnect ADSL Wireless 11g Firewall Router 91 System Requirements Operating Systems The Router will support the following Operating Systems: ■ Windows 95/98 ■ Windows NT 4.0 ■ Windows ME ■ Windows 2000 ■ Windows XP ■ Mac OS 8.5 or higher ■ Unix Ethernet Performance The Router complies to the
  • 3Com 3CRWDR100A-72 | User Guide - Page 92
    92 APPENDIX B: TECHNICAL SPECIFICATIONS Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 93
    easily accessible. user-serviceable parts inside the Router. If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide, contact your supplier. WARNING: Disconnect the power adapter before moving the unit. Downloaded from www.Manualslib.com manuals
  • 3Com 3CRWDR100A-72 | User Guide - Page 94
    : VORSICHT: Der Router erzeugt und verwendet Funkfrequenz (RF). In manchen Umgebungen ist die Verwendung von Funkfrequenz nicht gestattet. Erkundigen Sie sich bei den zuständigen Stellen, ob die Verwendung von Funkfrequenz in dem Bereich, in dem der Bluetooth Access Point eingesetzt werden soll
  • 3Com 3CRWDR100A-72 | User Guide - Page 95
    zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Router haben, das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann, setzen sécurité qui est conforme à la norme CEI 60950. Ces Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 96
    retirer cet appareil. AVERTISSEMENT: Ports RJ-45. Il s'agit de prises femelles blindées de données RJ-45. Vous ne pouvez pas les utiliser comme prise de téléphone. Branchez uniquement des connecteurs de données RJ-45 sur ces prises femelles. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 97
    D END USER SOFTWARE LICENSE AGREEMENT 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING, INSTALLING AND USING THIS PRODUCT, THE USE OF WHICH IS LICENSED BY 3COM CORPORATION ("3COM") TO ITS CUSTOMERS FOR THEIR USE
  • 3Com 3CRWDR100A-72 | User Guide - Page 98
    . Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason, please contact the 3Com subsidiary serving your country, or write: 3Com Corporation, 350 Campus Drive, Marlborough, MA. USA 01752-3064 Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 99
    to access. First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration, Repair Services, and Service Request. If you have trouble registering your product, please contact 3Com Global Services for assistance
  • 3Com 3CRWDR100A-72 | User Guide - Page 100
    order to access these Software Updates you must first register your product on the 3Com web site at http://eSupport.3com.com/ First time users will need to apply for a user name and password. A link to software downloads can be found at http://eSupport.3com.com/, or under the Product Support heading
  • 3Com 3CRWDR100A-72 | User Guide - Page 101
    obtain an RMA number online at http://eSupport.3com.com/. First time users will need to apply for a user name and password. Contact Us 3Com offers telephone, e-mail and internet access to technical support and repair services. To access these services for your region, use the appropriate telephone
  • 3Com 3CRWDR100A-72 | User Guide - Page 102
    You can also obtain support in this region using the following URL: http://emea.3com.com/support/email.html Latin America Telephone Technical Support and Repair Antigua Argentina 998 2112 AT&T +800 998 2112 AT&T +800 998 2112 57 1 657 0888 Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 103
    wireless client messages to the Ethernet LAN. Ad Hoc mode 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
  • 3Com 3CRWDR100A-72 | User Guide - Page 104
    the Router operates. Client The term used to described the desktop PC that is connected to your network. DHCP Dynamic Host Configuration Protocol. This protocol automatically assigns an IP address for every computer on your network. Windows 95, Windows 98 and Windows NT 4.0 contain software that
  • 3Com 3CRWDR100A-72 | User Guide - Page 105
    level of encryption than 40/64 bit. ESSID Extended Service Set Identifier. The ESSID is a unique identifier for your wireless network. You must have the same ESSID entered into the router and each of it's wireless clients. Ethernet A LAN specification developed jointly by Xerox, Intel and
  • 3Com 3CRWDR100A-72 | User Guide - Page 106
    mode 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) IP Internet Protocol. IP
  • 3Com 3CRWDR100A-72 | User Guide - Page 107
    devices in a network. MAC addresses are 6 bytes long. NAT 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
  • 3Com 3CRWDR100A-72 | User Guide - Page 108
    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. SSID Service Set Identifier. Some vendors of wireless products use SSID interchangeably with ESSID. Subnet Address An extension of the
  • 3Com 3CRWDR100A-72 | User Guide - Page 109
    PC that is wirelessly connected to your wireless network Wireless LAN Service Another term for ESSID (Extended Service Set Identifier) Area Wizard A Windows application that automates a procedure such as installation or configuration. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 110
    of computers and devices connected together by wireless in a relatively small area (such as a house or office). WPA Wi-Fi Protected Access. A dynamically changing encryption mechanism for wireless networking. Encryption strength is 256 bit. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 111
    FOR THE OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER Channels FCC Statement Use of the OfficeConnect ADSL Wireless 11g Firewall Router is only in accordance with the instructions, may cause harmful interference to radio communications. Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 112
    the user is encouraged Problems 3CRWDR100A-72 3CRWDR100B-72 3CRWDR100U-72 Description: OfficeConnect ADSL Wireless 11g Firewall Router to which this declaration relates, is in conformity with the following standards or other normative documents: ■ ANSI C63.4-1992 Methods of Measurement Downloaded
  • 3Com 3CRWDR100A-72 | User Guide - Page 113
    changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. CAUTION: The 3Com OfficeConnect ADSL Wireless 11g Firewall Router has been certified as a mobile computing device as per FCC Section 2.1091. In order to
  • 3Com 3CRWDR100A-72 | User Guide - Page 114
    114 Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 115
    , About This Guide 8 D DDNS 70 DHCP 87 DHCP Clients List 42 DHCP server 25, 42 disabling 26 DMZ Screen 67 DNS 24 Downloaded from www.Manualslib.com manuals search engine DNS Screen 55 DSL mode 29 Dynamic Domain Server (DDNS) Screen 70 Dynamic IP Address 34 Dynamic/Fixed IP for Bridge Mode Screen 35
  • 3Com 3CRWDR100A-72 | User Guide - Page 116
    81 NIC wireless 14 P Password 27, 75 Poison Reverse 58 PPPoA 31 PPPoA Screen 31 PPPoA Settings Screen 52 PPPoE 26, 30, 31 PPPoE Screen 30 PPPoE Settings Screen 51 R Remote Admin 68 Reset to Factory Default Screen 73 Reset to Factory Defaults 80 Restart Router Screen 73 RFC 1483 Bridged Mode 32, 53
  • 3Com 3CRWDR100A-72 | User Guide - Page 117
    Downloaded from www.Manualslib.com manuals search engine
  • 3Com 3CRWDR100A-72 | User Guide - Page 118
    rights reserved. 3Com and are registered trademarks of 3Com Corporation. All other company and product names may be trademarks of their respective companies. All specifications are subject to change without notice. DUA100A-72AAA01 Rev. 01 Downloaded from www.Manualslib.com manuals search engine
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Part No. DUA100A-72AAA01
Rev. 01
Published September 2004
OfficeConnect
ADSL Wireless 11g Firewall Router
User Guide
3CRWDR100A-72
3CRWDR100B-72
3CRWDR100U-72
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