Related Manuals for 3Com OfficeConnect 3CRWDR100B-72
Summary of Contents for 3Com OfficeConnect 3CRWDR100B-72
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Page 1: User Guide
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... - Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time USA 01752-3064 to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose.
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Page 3: Table Of Contents
ONTENTS BOUT UIDE Naming Convention Conventions Feedback about this User Guide Related Documentation NTRODUCING THE OfficeConnect ADSL Wireless 11g Firewall Router Router Advantages Package Contents Minimum System and Component Requirements Front Panel Rear Panel ARDWARE NSTALLATION Introduction Safety Information Positioning the Router Using the Rubber Feet Powering Up the Router Connecting the Router... - Page 4 UNNING THE ETUP Accessing the Setup Wizard Setup Wizard - Connection Type OUTER ONFIGURATION Navigating Through the Router Configuration Pages Main Menu Status Screen Status LAN Setup LAN Settings Wireless Settings Configuring Wireless Encryption Internet Settings Connection Type Hostname & MAC Routing Static Routes RIP Parameters...
- Page 5 Upgrade Admin Password Time and Time Zone Status and Logs ADSL Status Logs ROUBLESHOOTING Basic Connection Checks Browsing to the Router Configuration Screens Connecting to the Internet Forgotten Password and Reset to Factory Defaults Wireless Networking Recovering from Corrupted Software Frequently Asked Questions IP A DDRESSING...
- Page 6 AFETY NFORMATION OFTWARE BTAINING UPPORT FOR YOUR Register Your Product Purchase Value-Added Services Troubleshoot Online Access Software Downloads Telephone Technical Support and Repair Contact Us LOSSARY EGULATORY OTICES FOR THE IRELESS IREWALL NDEX ICENSE GREEMENT RODUCT FFICE ONNECT OUTER ADSL...
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Page 7: About This Guide
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... -
Page 8: Conventions
Feedback about this Your suggestions are very important to us. They will help make our User Guide documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: ■... -
Page 9: Related Documentation
Example: OfficeConnect ADSL Wireless 11g Firewall Router User Guide ■ Part Number DUA100A-72AAA01 ■ Page 24 ■ Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to Appendix Related In addition to this guide, each Router document set includes one Documentation Installation Guide. - Page 10 BOUT UIDE...
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Page 11: Introducing The
Welcome to the world of networking with 3Com 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. - Page 12 1: I HAPTER NTRODUCING THE OUTER Figure 1 Example Network Without a Router When you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network.
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Page 13: Router Advantages
Router Advantages The advantages of the Router include: ■ ■ ■ ■ ■ ■ ■ ■ Package Contents The Router kit includes the following items: ■ ■ ■ ■ ■ ■ ■ ■ If any of these items are missing or damaged, please contact your retailer. Shared Internet connection for both wired and wireless computers High speed 802.11g wireless networking No need for a dedicated, “always on”... -
Page 14: Minimum System And Component Requirements
1: I HAPTER NTRODUCING THE Minimum System Your Router requires that the computer(s) and components in your and Component network be configured with at least the following: Requirements ■ ■ ■ ■ ■ Front Panel The front panel of the Router contains a series of indicator lights (LEDs) that help describe the state of various networking and connection operations. -
Page 15: Rear Panel
3 Online LED Green If this LED is on, your username/password has been authenticated successfully with your ISP. 4 Wireless LAN (WLAN) Status LED Green If the LED is on it indicates that wireless networking is enabled. If the LED is flashing, the link is OK and data is being transmitted or received. - Page 16 1: I HAPTER NTRODUCING THE 7 ADSL Port Using the RJ11 cable provided, you should connect your Router to the telephone socket via a splitter. 8 Power Adapter Socket Only use the power adapter that is supplied with this Router. Do not use any other adapter.
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Page 17: Hardware Installation
Introduction This chapter will guide you through a basic installation of the Router, including: ■ ■ ■ Safety Information Please note the following: WARNING: Please read the before you start. VORSICHT: Bitte lesen Sie den Abschnitt sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire attentivement la section importantes de sécurité”... -
Page 18: Using The Rubber Feet
Water or moisture cannot enter the case of the unit. Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clearance. - Page 19 In this case you can connect your phones and computer directly to the incoming ADSL line, but you will have to add low-pass filters to your phones as shown below Connecting the Router 3Com OfficeConnect ADSL Wireless 11g Firewall Router Wireless Users...
- Page 20 2: H HAPTER ARDWARE NSTALLATION Figure 6 Installing with a splitter...
- Page 21 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.
- Page 22 2: H HAPTER ARDWARE NSTALLATION...
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Page 23: Setting
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. - Page 24 3: S HAPTER ETTING Figure 8 Local Area Properties Screen 6 Ensure that the options Obtain an IP Address automatically, and Obtain DNS server address automatically are both selected as shown in Click OK. Figure 9 Internet Protocol (TCP/IP) Properties Screen 7 Restart your computer.
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Page 25: Windows Xp
Windows XP 1 From the Windows Start menu, select Control Panel. 2 Click on Network and Internet Connections. 3 Click on the Network Connections icon. 4 Double click on LAN or High Speed Connection icon. A screen titled Local Area Connection Status will appear. 5 Select Internet Protocol TCP/IP and click on Properties. -
Page 26: Disabling Pppoe And Pptp Client Software
3: S HAPTER ETTING Disabling PPPoE If you have PPPoE client software installed on your computer, you will and PPTP Client need to disable it. To do this: Software 1 From the Windows Start menu, select Settings > Control Panel. 2 Double click on Internet Options. -
Page 27: Running The Setup Wizard
Accessing the Setup The Router setup program is Web-based, which means that it is accessed Wizard through your Web browser (Netscape Navigator 4.7 or higher, Internet Explorer 5.0 or higher, or Mozilla 1.2.1 or higher). To use the Setup Wizard: 1 Ensure that you have at least one computer connected to the Router. - Page 28 4: R HAPTER UNNING THE ETUP Figure 12 Router Login Screen 5 When you have logged in either: ■ ■ 6 You will be guided step by step through a basic setup procedure. Figure 13 Status Screen IZARD The Status screen will appear the menu.
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Page 29: Setup Wizard - Connection Type
Setup Wizard - Figure 14 Connection Type Screen Connection Type The Connection Type screen allows you to set up the Router for the type of Internet connection you have. Before setting up your connection type, have your account information from your ISP ready. Select a DSL mode from the following: PPPoE —... - Page 30 4: R HAPTER UNNING THE ETUP 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.
- Page 31 Figure 16 Wireless Settings Screen 7 Set the Wireless Channel you want to use from the Channel drop-down list. 8 Specify the SSID to be used by your Wireless Network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name.
- Page 32 4: R HAPTER UNNING THE ETUP 3 Re-type your PPP over ATM password in the Retype Password text box. 4 Enter your VPI and VCI information in the VPI/VCI text boxes. 5 Select the encapsulation type (LLC or VC MUX) in the Encapsulation drop-down list.
- Page 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 drop-down list. This information will have been provided to you by your ISP.
- Page 34 4: R HAPTER UNNING THE ETUP Routing Mode over 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.
- Page 35 Figure 22 Wireless Settings Screen 8 Set the Wireless Channel you want to use from the Channel drop-down list. 9 Specify the SSID to be used by your Wireless Network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name.
- Page 36 4: R HAPTER UNNING THE ETUP 4 Enter the default router in the Default Gateway text box. 5 Enter the DNS address in the DNS text box. 6 Enter your VPI and VCI information in the VPI/VCI text boxes. 7 Select the encapsulation type (LLC or VC MUX) in the Encapsulation drop-down list.
- Page 37 When you complete the Setup Wizard, a configuration summary will display. Verify the configuration information of the Router and then click Apply to save your settings. 3Com recommends that you print this page for your records. Your Router is now configured and ready for use.
- Page 38 4: R HAPTER UNNING THE ETUP IZARD...
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Page 39: Router Configuration
Navigating This chapter describes all the screens available through the Router Through the Router configuration pages, and is provided as a reference. To get to the Configuration configuration pages, browse to the Router by entering the URL in the Pages location bar of your browser. -
Page 40: Status
5: R HAPTER OUTER ONFIGURATION Status Figure 26 Status Screen There are two buttons on this screen - Connect and Disconnect. These buttons allow you to manually connect or disconnect your router from your ISP’s service. LAN Setup Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network. -
Page 41: Lan Settings
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 specify the Router IP Address and Subnet Mask in the appropriate fields. - Page 42 5: R HAPTER OUTER ONFIGURATION DHCP Clients List The DHCP Clients List provides details on the devices that have received IP addresses from the Router. The list is only created when the Router is set up as a DHCP server. For each device that is connected to the LAN the following information is displayed: ■...
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Page 43: Wireless Settings
Wireless Settings From these pages you can configure the settings for wireless connections. Figure 29 Wireless Settings Screen This screen allows you to enable or disable the wireless section of your LAN. When disabled, no wireless PCs can gain access to either the Internet or other PCs on your Wired or Wireless LAN through this Router. -
Page 44: Encryption
5: R HAPTER OUTER ONFIGURATION A feature of many wireless network adapters is that a computer's SSID can be set to ANY, which means it looks randomly for any existing wireless network. The available networks are then displayed in a site survey, and your computer can select a network. - Page 45 Disabled In this mode, wireless transmissions will not be encrypted, and will be visible to everyone. However, when setting up or debugging wireless networks it is often useful to use this security mode. WPA-PSK (no server) Figure 32 WPA-PSK (no server) Screen WPA (WiFi Protected Access) provides dynamic key changes and constitutes the best security solution.
- Page 46 5: R HAPTER OUTER ONFIGURATION 128-bit WEP Figure 33 128-bit WEP Screen WEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryption keys must be setup on your Router and wireless client devices to use WEP. 1 You can either enter your WEP key as 13 pairs of hex digits (0-9, A-F), or enter a memorable passphrase in the Passphrase box, and then click Generate to generate the hex keys from the passphrase.
- Page 47 64-bit WEP Figure 34 64-bit WEP Screen WEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryption keys must be setup on your Router and wireless client devices to use WEP. 1 You can either enter your WEP key as 5 pairs of hex digits (0-9, A-F), or enter a memorable passphrase in the Passphrase box, and then click Generate to generate the hex keys from the passphrase.
- Page 48 5: R HAPTER OUTER ONFIGURATION WPA (with RADIUS Server) Figure 35 WPA (with RADIUS 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 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.
- Page 49 Wireless WDS Settings Figure 36 Wireless WDS Settings Screen The Router supports WDS (Wireless Distribution System). WDS enables one or more Access Points to rebroadcast received signals to extend range and reach, though this can affect the overall throughput of data. 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...
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Page 50: Internet Settings
5: R HAPTER OUTER ONFIGURATION Internet Settings From these pages you can configure the settings for your DSL connection. Connection Type Figure 37 Connection Type Screen The Connection Type screen is used to configure the parameters for your DSL connection. The information necessary to complete these screens should be obtained from your ISP. - Page 51 PPPoE Figure 38 PPPoE 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 Enter your PPP over Ethernet service name in the Service Name text box.
- Page 52 5: R HAPTER OUTER ONFIGURATION 8 If you want your Router to automatically disconnect from the Internet automatically after a period of inactivity, specify a time in the Idle Time (Minutes) field. Enter a value of 0 to disable this timeout. 9 Enter the MTU value supplied by your ISP.
- Page 53 6 If you want your Router to connect to the Internet every time a PC needs to access it, check the Dial on Demand checkbox. If this box is not checked, then you will have to manually connect and disconnect using the buttons on the Home Screen (see 7 If you want your Router to automatically disconnect from the Internet automatically after a period of inactivity, specify a time in the Idle Time...
- Page 54 5: R HAPTER OUTER ONFIGURATION 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 Gateway fields.
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Page 55: Dns
Dynamic/Fixed IP in 1483 Bridge Mode (For Multiple PCs) Figure 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. -
Page 56: Hostname & Mac
5: R HAPTER OUTER ONFIGURATION If your ISP provided you with specific DNS addresses to use, enter them into the appropriate fields on this screen and click Apply. Many ISPs do not require you to enter this information into the Router. If you are using a Static IP connection type, then you may need to enter a specific DNS address and secondary DNS address for your connection to work properly. -
Page 57: Routing
Routing From these pages you can configure routing parameters. Your Router supports the following routing functionality: ■ ■ ■ Static Routes Figure 45 Static Route Parameters Screen The Static Route Parameter screen shows a list of current static route entries. For each entry, the following information is displayed: ■... -
Page 58: Rip Parameters
■ 4 In the Version field, select RIPv1 or RIPv2. 3Com recommends that you only use RIPv1 if there is an existing RIP-enabled device on your network that does not support RIPv2. In all other cases, you should use RIPv2. -
Page 59: Routing Table
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 47 Routing Table Screen Firewall From these pages you can configure settings for the firewall. -
Page 60: Special Applications
5: R HAPTER OUTER ONFIGURATION your network completely vulnerable to hacker attacks, but 3Com recommends that you turn leave the firewall enabled whenever possible. 1 Enable or Disable the Firewall as required by selecting the appropriate radio button. 2 Click Apply. -
Page 61: Virtual Servers
If your application is not listed, you will need to check with the application vendor to determine which ports need to be configured. You can manually input this port information into the Router. To do this: 1 Specify the trigger port (the one used by the application when it is initialized) in the Trigger Port column, and specify whether the trigger is TCP or UDP. -
Page 62: Client Ip Filters
5: R HAPTER OUTER ONFIGURATION To enter settings: 1 Click Add, or Edit if you want to edit an existing record. 2 Enter the IP address in the space provided for the internal machine. 3 Enter the port type (TCP, UDP, or both TCP and UDP). 4 Specify the Public port that will be seen by clients on the Internet, and the LAN port which the traffic will be routed to. - Page 63 To control access to specific Internet services: 1 Click on Add PC. A screen similar to that shown below will appear Figure 52 Add PC Screen 2 Enter a description for the filter you are defining in the Client PC Description field.
- Page 64 5: R HAPTER OUTER ONFIGURATION URL Blocking Figure 53 URL Blocking Screen To configure the URL Blocking feature, use the table on the URL Blocking page to specify the websites (www.somesite.com) and/or keywords you want to filter on your network. For example, entering a keyword of xxx would block access to any URL that contains the string xxx.
- Page 65 Firewall Schedule Rule Figure 54 Schedule Rule Screen 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”...
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Page 66: Mac Address Filtering
5: R HAPTER OUTER ONFIGURATION 2 Enter a name and comment for the schedule rule in the Name and Comment fields. 3 Specify the schedule rules for the required days and times - note that all times should be in 24 hour format. 4 Click Apply. -
Page 67: Dmz
Copy the MAC address by selecting the name of the computer from ■ the DHCP Clients List, and then in the MAC Address Filtering List click Copy To. Click Apply to save the settings. Figure 57 DMZ Screen If you have a client PC that cannot run an Internet application properly from behind the firewall, you can open the client up to unrestricted two-way Internet access. -
Page 68: Advanced
5: R HAPTER OUTER ONFIGURATION Advanced From the Advanced screen, you can configure: ■ ■ ■ ■ Figure 58 Advanced Screen ■ ■ NAT (Network Address Translation) Universal Plug and Play WAN Ping Blocking Remote Admin NAT — Before you enable NAT (Network Address Translation), make sure you have changed the administrator password. - Page 69 Universal Plug and Play Universal Plug and Play is a technology that offers seamless operation of voice messaging, video messaging, games, and other applications that are Universal Plug and Play compliant. Some applications require the Router's firewall to be configured in a specific way to operate properly. This usually requires opening TCP and UDP ports and in some instances setting trigger ports.
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Page 70: Ddns
5: R HAPTER OUTER ONFIGURATION DDNS The Router provides a list of dynamic DNS providers for you to choose from. Dynamic Domain Name Server (DDNS) enables you to map a static domain name to a dynamic IP address. The Router supports two DDNS providers, TZO.com and DYNDNS. -
Page 71: Snmp
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 To Configure SNMP:... -
Page 72: Crwdr100B
5: R HAPTER OUTER ONFIGURATION SNMP Trap Figure 61 SNMP Trap Screen You can configure your router to send status messages to the SNMP management agent if a problem occurs on the network. To configure traps: 1 In the IP Address field, enter the IP address of the PC to which you want your router to send status messages. -
Page 73: System Tools
System Tools System Tools These pages lets you manage different parameters of the router and perform certain administrative functions. Restart Router Figure 62 Restart Router Screen Sometimes it may be necessary to restart (or reboot) the Router. Restarting the Router will not delete any of your configuration settings. Click Restart to restart the Router. -
Page 74: Backup/Restore Settings
Please select the configuration 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. -
Page 75: Admin Password
Admin Password Figure 66 Admin Password Screen The Router ships with a default password of admin. 3Com recommends that you change the password for added security. Keep your password in a safe place as you will need this password to log into the router in the future. -
Page 76: Time And Time Zone
5: R HAPTER OUTER ONFIGURATION Time and Time Zone Figure 67 Time and Time Zone screen The Router keeps time by connecting to a Simple Network Time Protocol (SNTP) server. This allows the Router to synchronize the system clock to the Internet. -
Page 77: Status And Logs
Status and Logs Status and Logs You can use the Status Screen to view version numbers for your router’s software and hardware and check the status of connections to WAN, LAN and WLAN interfaces. ADSL Status Figure 68 ADSL Status Screen This screen shows modem status and statistics Logs Figure 69 Logs Screen... - Page 78 5: R HAPTER OUTER ONFIGURATION ■ ■ 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.
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Page 79: Basic Connection Checks
Basic Connection ■ Checks ■ ■ Browsing to the If you have connected your Router and computers together but cannot Router browse to the Router configuration screens, check the following: Configuration ■ Screens ■ ■ ■ ROUBLESHOOTING Check that the Router is connected to your computers and to the telephone line, and that all the equipment is powered on. -
Page 80: Connecting To The Internet
6: T HAPTER ROUBLESHOOTING ■ Connecting to the If you can browse to the Router configuration screens but cannot access Internet sites on the Internet, check the following: ■ ■ ■ ■ Forgotten Password If you can browse to the Router configuration screen but cannot log on and Reset to because you do not know or have forgotten the password, follow the Factory Defaults... -
Page 81: Wireless Networking
4 Press and hold the Reset button on the rear panel (see page 5 The Router will restart, and when the start-up sequence has completed, browse to: http://192.168.1.1 and run the configuration wizard. You may need to restart your computer before you attempt this. - Page 82 6: T HAPTER ROUBLESHOOTING ■ ■ ■ Additionally consider moving the wireless computer closer to the Router to confirm that the building structure or fittings are not adversely affecting the connectivity. If this resolves the problem consider relocating the Wireless computer or the Router, or trying a different channel on the Router.
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Page 83: Recovering From Corrupted Software
Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD-ROM. The latest software is available on 3Com’s Web site at: www.3com.com 1 Remove power from the Router and disconnect the telephone line and all your computers, except for the one computer with the software image. -
Page 84: Frequently Asked Questions
VPN hosts on your LAN that clients elsewhere on the Internet can connect to, but this is not a recommended configuration. Updates to the Router software are posted on the 3Com support web site, accessible by visiting: http://www.3com.com... -
Page 85: Ip Addressing
IP A The Internet The Internet protocol suite consists of a well-defined set of Protocol Suite communications protocols and several standard application protocols. Transmission Control Protocol/Internet Protocol (TCP/IP) is probably the most widely known and is a combination of two of the protocols (IP and TCP) working together. - Page 86 A: IP A PPENDIX DDRESSING For your network to work correctly, all devices on the network must have: ■ ■ The only value that will be different is the specific host device number. This value must always be unique. An example IP address is ‘192.168.100.8’. However, the size of the network determines the structure of this IP Address.
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Page 87: How Does A Device Obtain An Ip Address And Subnet Mask
This type of IP Address operates on a subnet mask of ‘255.255.0.0’. represented) and a Router might be configured. Table 4 IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 PC 4 Router How does a Device There are three different ways to obtain an IP address and the subnet Obtain an IP mask. - Page 88 A: IP A PPENDIX DDRESSING an IP address at random from the industry standard subnet of 169.254.x.x (with a subnet mask of 255.255.0.0). If two devices allocate themselves the same address, the conflict is detected and one of the devices allocates itself a new address. Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000.
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Page 89: B Technical Specifications
This section lists the technical specifications for the OfficeConnect ADSL Wireless 11g Firewall Router. OfficeConnect ADSL Interfaces Wireless 11g DSL connection Firewall Router LAN connection — four 10Mbps/100Mbps dual speed Ethernet ports (10BASE-T/100BASE-TX) WLAN Interfaces Standard IEEE 802.11g, Direct Sequence Spread Spectrum (DSSS) Transmission rate: 54Mbps, automatic fallback to 48, 36, 24, 18, 12, or 6 Mbps Maximum channels: 14... -
Page 90: Standards
B: T PPENDIX ECHNICAL PECIFICATIONS Maximum clients: 128 O/P Power 16dBm Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 8VA, 25 BThU/hr Humidity 0% to 90% (non-condensing) humidity Dimensions ■ ■ ■ Weight Approximately 550 g (1.1 lbs) Standards Functional: Safety:... - Page 91 System Requirements Operating Systems The Router will support the following Operating Systems: ■ ■ ■ ■ ■ ■ ■ Ethernet Performance The Router complies to the IEEE 802.3i, u and x specifications. Cable Specifications The Router supports the following cable types and maximum lengths: ■...
- Page 92 B: T PPENDIX ECHNICAL PECIFICATIONS...
- Page 93 Important Safety Information 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.
- Page 94 C: S PPENDIX AFETY NFORMATION 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 VORSICHT: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen sind sorgfältig zu befolgen.
- Page 95 VORSICHT: Es sind keine von dem Benutzer 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 Sie sich mit Ihrem Lieferanten in Verbindung.
- Page 96 C: S PPENDIX AFETY NFORMATION conditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. AVERTISSEMENT: Il n’y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à l’intérieur du moyeu. Si vous avez un problème physique avec le moyeu qui ne peut pas être résolu avec les actions de la résolution des problèmes dans ce guide, contacter votre fournisseur.
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Page 97: End User Software License Agreement
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. - Page 98 Software and Documentation, and may be amended only in a writing signed by both parties. Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason, please contact the 3Com subsidiary serving your country, or write: 3Com Corporation, 350 Campus Drive, Marlborough, MA.
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Page 99: Register Your Product
More information on 3Com maintenance and Professional Services is available at http://www.3com.com/ Contact your authorized 3Com reseller or 3Com for a complete list of the value-added services available in your area. BTAINING UPPORT FOR YOUR... -
Page 100: Troubleshoot Online
E: O PPENDIX BTAINING UPPORT FOR YOUR Troubleshoot You will find support tools posted on the 3Com web site at Online http://www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. This query-based interactive tool is located at http://knowledgebase.3com.com solutions written by 3Com support engineers. -
Page 101: Contact Us
To send a product directly to 3Com for repair, you must first obtain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be returned to the sender unopened, at the sender’s expense. If your... - 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 1 800 988 2112 Argentina 0 810 444 3COM Aruba 1 800 998 2112 Bahamas 1 800 998 2112 Barbados...
- Page 103 LOSSARY 802.11b 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. 802.11g The IEEE specification for wireless Ethernet which allows speeds of up to 54 Mbps.
- Page 104 98 will allocate itself an address if no DHCP server can be found. DNS Server Address 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...
- Page 105 LOSSARY 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.
- Page 106 LOSSARY IEEE Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets standards for computers and communications. IETF Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/IP networks. In the network management area, this group is responsible for the development of the SNMP protocol.
- Page 107 LOSSARY Media Access Control. A protocol specified by the IEEE for determining which devices have access to a network at any one time. MAC Address 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.
- Page 108 LOSSARY Router 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. Server 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.
- Page 109 LOSSARY universal plug and Universal plug and play is a system which allows compatible applications play 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.
- Page 110 LOSSARY WLAN Wireless Local Area Network. A WLAN is a group of computers and devices connected together by wireless in a relatively small area (such as a house or office). Wi-Fi Protected Access. A dynamically changing encryption mechanism for wireless networking. Encryption strength is 256 bit.
- Page 111 Channels Use of the OfficeConnect ADSL Wireless 11g Firewall Router is only authorized for the channels approved by each country. For proper installation, login to the management interface and select your country from the drop down list. the local regulatory agencies: Table 5 Channels Channels 1 - 13...
- Page 112 However, there is no guarantee that interference will not occur in a particular installation. Information to the If this equipment does cause interference to radio or television reception, User which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ■...
- Page 113 ■ Exposure to Radio Frequency Radiation: The radiated output power of the 3Com ADSL 11g Wireless Router is far below the FCC radio frequency exposure limits. Nevertheless, the 3Com OfficeConnect ADSL Wireless 11g Firewall Router shall be used in such manner that the potential for human contact during normal operation is minimized.
- Page 115 NDEX Numbers 128-bit WEP 46 128-bit WEP Screen 46 1483 Bridge Mode 55 64-bit WEP Screen 47 Access Control Screen 62 Add PC Screen 63 Add Schedule Rule Screen 65 Addresses IP 85 Admin Password Screen 75 ADSL Status Screen 77 Advanced Screen 68 Automatic Addressing 87 Backup/Restore Settings Screen 74...
- Page 116 NDEX configuring 56 MAC Address Filtering Screen 66 mode 30 NAT (Network Address Translation) 68 NAT-T (NAT Traversal) 68 Network addresses 85 Networking wireless 81 wireless 14 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...
- Page 118 3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA USA 01752-3064 To learn more about 3Com products and services, visit our World Wide Web site at www.3com.com All specifications are subject to change without notice. Copyright © 2004 3Com Corporation. All rights reserved.