3Com 3CRWDR200B-75 - Manuals

10 C HAPTER : A BOUT T HIS G UIDE 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. Caution Information that alerts you to potential loss of data or potential ...

1 I NTRODUCING THE R OUTER 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 ne...

12 C HAPTER 1: I NTRODUCING THE R OUTER Figure 1 Example Network Without a Firewall Router 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 nu...

Firewall Router Advantages 13 Firewall Router Advantages The advantages of the Firewall ADSL Wireless 108Mbps 11g Firewall Router include: ■ Shared Internet connection for both wired and wireless computers ■ High speed 802.11g wireless networking ■ No need for a dedicated, “always on” computer servi...

14 C HAPTER 1: I NTRODUCING THE R OUTER ■ 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: ■ A c...

16 C HAPTER 1: I NTRODUCING THE R OUTER 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” ). 6 Data DSL Status LED If the LED is flashing, the link is OK an...

Rear Panel 17 Only use the power adapter supplied with this Router. Do not use any other adapter. 10 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. 11 Reset Button Press ...

2 H ARDWARE I NSTALLATION Introduction This chapter will guide you through a basic installation of the Router, including: ■ Connecting the Router to the Internet. ■ Connecting the Router to your network. ■ Setting up your computers for networking with the Router. Safety Information WARNING: Please r...

20 C HAPTER 2: H ARDWARE I NSTALLATION When positioning your Router, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ Water...

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 Before you install and configure your Router, you need the following additional infor...

22 C HAPTER 2: H ARDWARE I NSTALLATION 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: 1 Plug the power adapter into the powe...

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 directl...

3 S ETTING U P Y OUR C OMPUTERS 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 i...

26 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Figure 6 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 Figure 7 . Click OK . Figure 7 Internet Protocol (TCP/IP) Properties Screen 7 Re...

Obtaining an IP Address Automatically 27 Windows Vista If you are using a Windows Vista computer, use the following procedure to change your TCP/IP settings: 1 From the Windows start menu, select Network. 2 Select Network Center option from the top menu. 3 Select Manage Networks from the left panel....

28 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Macintosh If you are using a Macintosh computer, use the following procedure to change your TCP/IP settings: 1 From the desktop, select Apple Menu , Control Panels , and TCP/IP . 2 In the TCP/IP control panel, set Connect Via: to “Ethernet”. 3 In the TCP/...

Disabling Web Proxy 29 Disabling Web Proxy Ensure that you do not have a web proxy enabled on your computer. Go to the Control Panel and click on Internet Options . Select the Connections tab and click LAN Settings at the bottom. Make sure that the Use Proxy Server option is unchecked.

4 R UNNING THE S ETUP W IZARD 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: 1 Ensure that you have at least...

32 C HAPTER 4: R UNNING THE S ETUP W IZARD Figure 10 Router Login Screen 5 If 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, ...

Accessing the Wizard 33 6 When you have selected a country either: ■ The Welcome screen will appear ( Figure 12 ). Select the Wizard tab and click Wizard. or ■ If your Router has not been configured before, the Wizard will launch automatically (refer to Figure 13 ). 7 Click Next . 8 You will be guid...

34 C HAPTER 4: R UNNING THE S ETUP W IZARD Figure 13 Wizard Screen Password Figure 14 Change Administration Password Screen When the Change Administration Password screen appears, type the Old Password , then a new password in both the New Password and Confirm Password boxes.

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 you...

36 C HAPTER 4: R UNNING THE S ETUP W IZARD WAN Settings Figure 16 Internet Settings Screen 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 re...

Accessing the Wizard 37 PPPoE Mode Figure 17 PPPoE Screen To setup the Router for use with a PPP over Ethernet (PPPoE) connection, use the following procedure: 1 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 ...

38 C HAPTER 4: R UNNING THE S ETUP W IZARD PPPoA Mode Figure 18 The PPPoA Screen 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 wan...

Accessing the Wizard 39 Dynamic/Fixed IP in 1483 Bridge Mode Figure 19 The Dynamic/Fixed IP in Bridge Mode To setup the Router for use with a Dynamic/Fixed IP in 1483 Bridge Mode connection, use the following procedure: 1 Manual IP Address Configuration: You may enter the router’s WAN IP address and...

40 C HAPTER 4: R UNNING THE S ETUP W IZARD IP over ATM Mode(IPoA) Figure 20 The IP over ATM Screen 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 Manu...

Accessing the Wizard 41 Bridging Mode Figure 21 Bridging Mode Screen 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. LAN Settings Figure 22 LAN IP Address Screen This sc...

42 C HAPTER 4: R UNNING THE S ETUP W IZARD Figure 23 DHCP Server Setup Screen 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 appropria...

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 someth...

44 C HAPTER 4: R UNNING THE S ETUP W IZARD Summary Figure 25 Configuration Summary Screen 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 ...

5 R OUTER C ONFIGURATION Navigating Through the Router Configuration Pages 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 ...

46 C HAPTER 5: R OUTER C ONFIGURATION ■ 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). ■ Management — displays the current status and activity logs of the Router , SNMP enab...

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. Password Figure 27 Password Screen Changing the Administration Password You can change the passw...

48 C HAPTER 5: R OUTER C ONFIGURATION Wizard Figure 28 Wizard Screen 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 Scr...

LAN Settings 49 This screen allows you to change the IP address and subnet mask. 1 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 F...

50 C HAPTER 5: R OUTER C ONFIGURATION Static DHCP Assignment Figure 30 Static DHCP Assignment Screen 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 m...

Wireless Settings 51 DHCP Lease Table Figure 31 DHCP Lease Table Screen 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 The Wireless Se...

52 C HAPTER 5: R OUTER C ONFIGURATION Configuration Figure 32 Configuration Screen 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 thr...

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 p...

54 C HAPTER 5: R OUTER C ONFIGURATION 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...

Wireless Settings 55 WEP To enable WEP, select WEP from the Encryption Type . Figure 33 Encryption — WEP 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 Cli...

56 C HAPTER 5: R OUTER C ONFIGURATION Click Save to save the setting. WPA To enable WPA, select WPA-PSK or WPA2-PSK from the Encryption Type . Figure 34 Encryption — WPA 1 Select either TKIP or AES as the Encryption Method . 2 Enter a passphrase between 8 to 63 characters long for the Pre-Shared Key...

Wireless Settings 57 Figure 35 Encryption — WAP/WPA2 with RADIUS 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 ...

58 C HAPTER 5: R OUTER C ONFIGURATION Figure 36 WMM Screen 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...

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 Para...

60 C HAPTER 5: R OUTER C ONFIGURATION Figure 37 Connection Control Screen 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 ex...

Wireless Settings 61 Client List 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 Conn...

62 C HAPTER 5: R OUTER C ONFIGURATION Figure 39 Advanced Wireless Settings Screen 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 authen...

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 wirele...

64 C HAPTER 5: R OUTER C ONFIGURATION Fragmentation Threshold This 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...

Internet Settings 65 Figure 40 WDS Screen To setup a WDS, make sure that the 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 Be...

66 C HAPTER 5: R OUTER C ONFIGURATION 2 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. 3 Dynamic/Fixed IP in 1483 Bridge Mode In this mode of connection...

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 ...

68 C HAPTER 5: R OUTER C ONFIGURATION Special Applications Figure 42 Special Applications Screen 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 multipl...

Firewall 69 5 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. DMZ Figure 43 DMZ...

70 C HAPTER 5: R OUTER C ONFIGURATION 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 Inspection (SPI) inspects, and if required blocks packets at the application layer. SPI also maintains TCP a...

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 p...

72 C HAPTER 5: R OUTER C ONFIGURATION To use access control for the computers: 1 Enter the PC’s description and the range of the ip addresses. 2 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) 3 Please selec...

Firewall 73 Figure 46 The Schedule Rules Screen 1 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, and enter the times for each day in 24-hour clock format. Content Filter You...

74 C HAPTER 5: R OUTER C ONFIGURATION 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 2 Make sure the Enable Content Filter check box is checked. 3 Select the Content Filter S...

Firewall 75 Figure 48 The URL Filter Screen To enable the URL Filtering, please do the following: 1 Check the Enable URL Filtering Function box to enable the URL filtering. 2 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 fo...

76 C HAPTER 5: R OUTER C ONFIGURATION 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: ■ www.sussex.com ■ ww...

System Tools 77 Restart Figure 49 Restart Screen 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. No configuration information will be lost but the log files will be erased. This functio...

78 C HAPTER 5: R OUTER C ONFIGURATION Time Zone Figure 50 Time Zone Screen 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 b...

System Tools 79 Configuration Figure 51 Configuration Screen 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 ...

80 C HAPTER 5: R OUTER C ONFIGURATION Upgrade Figure 52 Upgrade Screen 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 folde...

Advanced 81 Advanced Selecting Advanced from the main menu displays the following seven tabs in your Web browser window: Static Route , RIP , DDNS , Quality of Service, ProxyARP, Port Mapping, and IPSec . Static Route The Router supports static route functionality. Select the Static Route tab to dis...

82 C HAPTER 5: R OUTER C ONFIGURATION 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 to display the screen . Figure 54 RIP screen Setting Up RIP Check the Enable RIP Mode check bo...

84 C HAPTER 5: R OUTER C ONFIGURATION 3 In the Password text box, enter the account password. 4 Click add to add your DDNS. NOIP.com 1 In the Host Name text box, enter the host name. 2 In the E-mail text box, enter the account name. 3 In the Password text box, enter the account password. 4 Click sav...

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 To configure Proxy ARP: 1 On the menu, click ...

86 C HAPTER 5: R OUTER C ONFIGURATION Figure 58 The IPSec Screen 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. Tu...

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 bu...

88 C HAPTER 5: R OUTER C ONFIGURATION Do not alter any settings unless you are an experienced network administrator. Management The management Screen lets you administer your routers with features such as System Log, SNMP, UPnP, Trust Station, Remote Management, and Utility. Syslog If you have a sys...

Management 89 Figure 60 The System Log Screen To view the current logs: 1 Click the View Log button. To enable the system log: 1 Check Enable System Log box. 2 Select the drop-down menu for a list of available types of logging activities. 3 Select the Display Level for a list of available types of l...

90 C HAPTER 5: R OUTER C ONFIGURATION Figure 61 The SNMP Screen Click Enable/Disable to enable/disable the agent. To Configure the SNMP: 1 Type the Read Community, which is the password for the incoming Get and GetNext requests from the management station. 2 Type the Set Community, which is the pass...

Management 91 Figure 62 The UPnP Screen Check UPnP Enabled to activate UPnP. Trusted Station Figure 63 The Trusted Station Screen The Trusted Station Screen lets you add/remove the MAC address of the stations which can access the web administration.

92 C HAPTER 5: R OUTER C ONFIGURATION Remote Management It is possible to administer the Router remotely. Select one of the following options for remote administration: Figure 64 The Remote Management Screen ■ Disable Remote Administration — This option is set as default. ■ Enable administration fro...

Diagnostics 93 Figure 65 The Utility Screen To use the utility: 1 Select commands that you would like to run from the menu. 2 Enter the IP Address or Domain Name in the field provided. 3 Click Start to start executing the command. 4 The results will be shown on the screen below. Diagnostics The Diag...

94 C HAPTER 5: R OUTER C ONFIGURATION Figure 66 The Diagnostics Screen Device Info The Device Info Settings menu provides the following options:

Device Info 95 Summary Figure 67 The Summary Screen The Summary screen is used to display the information of your LAN status. WAN Figure 68 The WAN Screen The WAN Status Screen is used to display the information of your DSL Connection Status.

96 C HAPTER 5: R OUTER C ONFIGURATION Statistics Figure 69 The Statistics Screen 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.

Device Info 97 Route Figure 70 The Route Screen The Route Screen is used to display the routing status/information. ARP Figure 71 The ARP Screen The ARP screen is used to display the ARP status.

98 C HAPTER 5: R OUTER C ONFIGURATION 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. Supp...

Support/Feedback 99 Feedback Figure 73 Feedback Screen 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.

6 T ROUBLESHOOTING 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 th...

102 C HAPTER 6: T ROUBLESHOOTING ■ If 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 cmd . Check that the computer has an IP address of t...

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 : 1 Use the tip of a pen. 2 Press and hold the reset...

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. ...

106 C HAPTER 6: T ROUBLESHOOTING 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. ■ If the Alert LED does not go out following start...

Frequently Asked Questions 107 ■ IP address: 192.168.1.2 ■ Subnet mask: 255.255.255.0 ■ Default Router address: 192.168.1.1 3 Restart the computer, 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 c...

108 C HAPTER 6: T ROUBLESHOOTING You can expand the number of connections available on your LAN by using hubs, switches and wireless access points connected to the Router. 3Com wireless access points and OfficeConnect hubs and switches provide a simple, reliable means of expanding your network; cont...

3Com Warranty and Support Services 109 Warranty support: ■ Requestor contact details ■ 3C part number ■ Firmware or software version of the 3Com product and operating system used ■ Description of the problem or failure ■ Serial number of the product ■ Ship-to address, with on-site contact (required ...

A U SING D ISCOVERY Running the Discovery Application 3Com provides a user-friendly Discovery application for detecting the Router on the network. 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 ...

112 A PPENDIX A: U SING D ISCOVERY Figure 75 Discovered Router Screen 3 Figure 76 shows an example Discovered Devices screen. Highlight the Router by clicking on it, and press Next . Figure 76 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Router...

B IP A DDRESSING The Internet Protocol Suite The Internet protocol suite consists of a well-defined set of communications protocols and several standard application protocols. Transmission Control Protocol/Internet Protocol (TCP/IP) is probably the most widely known and is a combination of two of th...

114 A PPENDIX B: IP A DDRESSING For your network to work correctly, all devices on the network must have: ■ The same sub-network address. ■ 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....

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 How does a Device Obtain an IP Address and Subnet Mask? There are three different wa...

C T ECHNICAL S PECIFICATIONS 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 (...

118 A PPENDIX C: T ECHNICAL S PECIFICATIONS Encryption: 40/64 bit WEP, 128 bit WEP, WPAMaximum clients: 128O/P Power 18dBm Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 7VA, 23.9 BThU/hr Humidity 0% to 90% (non-condensing) humidity Dimensions ■ Width = 220 mm (8.7 in.) ■ Depth = 135 mm...

ADSL Wireless 11g 108Mbps Firewall Router 119 systems.RSS-210 Environmental: EN 60068 (IEC 68) *See “Regulatory Information” on page 137 for conditions of operation. System Requirements Operating Systems The Router will support the following Operating Systems: ■ Windows 95/98 ■ Windows NT 4.0 ■ Wind...

122 A PPENDIX D: S AFETY I NFORMATION 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 VORSICHT: Warn...

Consignes importantes de sécurité 123 behoben werden kann, setzen Sie sich mit Ihrem Lieferanten in Verbindung. VORSICHT: Vor dem Ausbau des Geräts das Netzadapterkabel herausziehen. VORSICHT: RJ-45-Anschlüsse. Dies sind abgeschirmte RJ-45-Datenbuchsen. Sie können nicht als Telefonanschlußbuchsen ve...

124 A PPENDIX D: S AFETY I NFORMATION 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 phy...

E E ND U SER S OFTWARE L ICENSE A GREEMENT 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 (ì3C...

G 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 s...

128 C HAPTER : G LOSSARY 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 in the IEEE 802.3 standard for Ethernet and is an operation that takes...

130 C HAPTER : G 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. Half Duplex A system that allows packets to transmitted and received, but not at the same time. Contra...

134 C HAPTER : G LOSSARY WECA Wireless Ethernet Compatibility Alliance. An industry group formed to certify cross vendor interoperability and compatibility of 802.11b and 802.11g wireless networking products and to promote the standard for enterprise, small business and home environments. (see also ...

I NDEX 135 I NDEX A Addresses IP 113 Administration Password 34, 47Advanced 81 DDNS 82RIP 81static route 81 Automatic Addressing 115 C Cable Specifications 119Channels 137Configuration backup 79restore 79 Conventions notice icons, About This Guide 9text, About This Guide 10 Country Selection 32 D DD...

R EGULATORY N OTICES 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....

138 C HAPTER : R EGULATORY N OTICES limitation of exposure of the general public to electromagnetic fields (0 Hz to 300 GHz)]. US - Radio Frequency Requirements This device must not be co-located or operated in conjunction with any other antenna or transmitter. USA-FEDERAL COMMUNICATIONS COMMISSION ...

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) 52...

140 C HAPTER : R EGULATORY N OTICES dispositif doit étre prêt à accepter tout brouillage radioélectrique reçu, même si ce brouillage est susceptible de compromettre le fonctionnement du dispositif. The term "IC" before the equipment certification number only signifies that the Industry Canad...

141 E UROPE – EU D ECLARATION OF C ONFORMITY Intended use: IEEE 802.11g/b radio LAN device NOTE: To ensure product operation is in compliance with local regulations, select the country in which the product is installed. Refer to 3Com OfficeConnect Wireless 54Mbps/108Mbps 11g Cable/DSL Router User Gu...

142 Italian Con la presente 3Com Corporation dichiara che questo RLAN device è conforme ai requisiti essenziali ed alle 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...