Related Manuals for 3Com OfficeConnect WL-542
Summary of Contents for 3Com OfficeConnect WL-542
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Page 1: User Guide
OfficeConnect ADSL Wireless 11g Firewall Router User Guide Model WL-542 3CRWDR100A-72 3CRWDR100B-72 3CRWDR100U-72 http://www.3com.com/ Part No. DUA100A-72AAA02 Published August 2005 ®... - 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 NSTALLING THE OUTER Introduction Safety Information Positioning the Router Using the Rubber Feet Powering Up the Router... - Page 4 UNNING THE ETUP Accessing the Setup Wizard Setup Wizard - Connection Type ONFIGURING THE 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 Firewall Special Applications Virtual Servers...
- Page 5 Status ADSL Status ATM PVC Status Logs Support/Feedback Support Feedback 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 The Internet Protocol Suite...
- Page 6 AFETY NFORMATION OFTWARE BTAINING UPPORT FOR Register Your Product Purchase Value-Added Services Troubleshoot Online Access Software Downloads Telephone Technical Support and Repair Contact Us LOSSARY EGULATORY OTICES NDEX ICENSE GREEMENT RODUCT...
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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 Your suggestions are very important to us. They will help make our this 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: ■ ■ ■ 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. This guide contains the instructions you need to install and configure your Router. - Page 10 BOUT UIDE...
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Page 11: Introducing The Router
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: Installing The
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: I HAPTER NSTALLING THE OUTER 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: I HAPTER NSTALLING THE OUTER...
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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 set up 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 5 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. 6 Check all of your settings, and then click Next. The Wireless Settings screen is displayed.
- Page 33 Bridge Mode (for a single PC) (RFC 1483 Bridged Mode) To set up the Router for use with an RFC1483 bridged connection: 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.
- Page 34 4: R HAPTER UNNING THE ETUP Routing Mode over ATM (RFC 1483 Routed Mode) To set up 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 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 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.
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Page 37: Configuring The
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 38: Lan Setup
5: C HAPTER ONFIGURING THE LAN Setup Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network. The factory default settings for the DHCP server will work in most any application. If you need to make changes to the settings, you can do so. -
Page 39: Lan Settings
LAN Settings The LAN Settings screen is used to specify the LAN IP address of your Router, and to configure the DHCP server. Figure 27 LAN Settings Screen 1 Select LAN Settings and then specify the Router IP Address and Subnet Mask in the appropriate fields. - Page 40 5: C HAPTER ONFIGURING THE 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 41: Wireless Settings
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 42: Encryption
5: C HAPTER ONFIGURING THE To enable Wireless function: 1 Select the Wireless Channel you want to use from the Channel drop-down list. 2 Specify the SSID to be used by your Wireless Network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name. - Page 43 WPA-PSK (no Server) (see ■ 128-bit WEP (see page ■ 64-bit WEP (see page ■ WPA (with RADIUS Server) (see ■ Select the required value from the drop down list, and press Apply. Disabled In this mode, wireless transmissions will not be encrypted, and will be visible to everyone.
- Page 44 5: C HAPTER ONFIGURING THE 2 Optionally, check the Hide PSK check box, if you want the key that you enter to be shown on the screen as a series of asterisks (*). 3 Click Apply. 128-bit WEP WEP is the basic mechanism to transmit your data securely over the wireless network.
- Page 45 64-bit WEP 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. Figure 34 64-bit WEP Screen To enable 64-bit WEP: 1 Manually enter the key: enter the WEP key as 5 pairs of hex digits (0-9, A-F).
- Page 46 5: C HAPTER ONFIGURING THE WPA (with RADIUS Server) WPA (WiFi Protected Access) provides dynamic key changes and constitutes the best security solution. On 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, and this function requires that a Radius server is running on the network.
- Page 47 Wireless WDS Settings 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. Figure 36 Wireless WDS Settings Screen To enable wireless repeating: 1 Check the Enable WDS check box.
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Page 48: Internet Settings
5: C HAPTER ONFIGURING THE Internet Settings From these pages, you can configure the settings for your DSL connection. Connection Type The Internet Settings 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 49 PPPoE PPP over Ethernet, providing routing for multiple PCs. To configure this page correctly, you should obtain the information on this page from your ISP. Figure 38 PPPoE Settings Screen 1 Select PPPoE from the Protocol drop-down menu. 2 Then enter the IP address and Subnet Mask information provided by your ISP into the IP address and Subnet Mask fields.
- Page 50 5: C HAPTER ONFIGURING THE 6 Enter the PCR/SCR/MBS values. 7 Select the connection type from the Connect Type drop-down menu. 8 If you want your Router to automatically disconnect from the Internet after a period of inactivity, specify a time in the Idle Time (Minutes) field. Enter a value of 0 to disable this timeout.
- Page 51 PPPoA PPP over ATM, this is a popular choice among European DSL providers. To configure this page correctly, you should obtain the information on this page from your ISP. Figure 39 PPPoA Settings Screen 1 Select PPPoA from the Protocol drop-down menu. 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields.
- Page 52 5: C HAPTER ONFIGURING THE 5 Enter the PCR/SCR/MBS values. 6 IP assigned by ISP: 7 Select the connection type from the Connect Type drop-down menu. 8 If you want your Router to automatically disconnect from the Internet after a period of inactivity, specify a time in the Idle Time (Minutes) field. Enter a value of 0 to disable this timeout.
- Page 53 Bridge Mode (For a Single PC) (RFC 1483 Bridged Mode) If the ISP limits some specific computers to access Internet, that means only the traffic to/from these computers will be forwarded and the other will be filtered. In this case, bridge modem is used to connect to the ISP. The ISP will generally give one Internet account and limit only one computer to access the Internet.
- Page 54 5: C HAPTER ONFIGURING THE 5 Enter the PCR/SCR/MBS values. 6 Click Apply. Routing Mode over ATM (RFC 1483 Routed Mode) This mode is commonly used with either dynamic or static IP addressing. In this mode the WAN ADSL port will be configured with an IP address provided by the ISP.
- Page 55 4 Select the encapsulation type (LLC or VC MUX) in the Encapsulation field. This information will have been provided to you by your ISP. 5 Select the type of Quality of Service that you want from the QoS Class drop-down menu. CBR (constant bit rate): the CBR service class is intended for ■...
- Page 56 5: C HAPTER ONFIGURING THE Figure 42 Dynamic/Fixed IP for Bridge Mode Screen After clicking Edit on the ATM PVC page, the ATM Interface page appears. 1 Select Dynamic/Fixed IP for Bridge Mode from the Protocol drop-down menu. 2 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 57: Dns
non-real time (NRT) class. VBR (RT) is used for connections in which there is a fixed timing relationship between samples. VBR (NRT) is used for connections in which there is no fixed timing relationship between samples, but that still need a guaranteed QoS. Compare with ABR, CBR, and UBR. -
Page 58: Hostname & Mac
5: C HAPTER ONFIGURING THE OUTER Figure 44 DNS Screen If the DNS information is automatically provided by your ISP every time you connect to it, check the Automatic from ISP box. If your ISP provided you with specific DNS addresses to use, enter them into the appropriate fields on this screen and click Apply. -
Page 59: Firewall
(PoD) and Denial of Service (DoS) attacks. You can turn the firewall function off if needed. Turning off the firewall protection will not leave your network completely vulnerable to hacker attacks, but 3Com recommends that you leave the firewall enabled whenever possible. -
Page 60: Special Applications
5: C HAPTER ONFIGURING THE To enable the firewall function: 1 Select the level of protection (High Level, Medium Level, Low Level, or Disable) that you desire from the Firewall Enable/Disable drop-down menu. 2 Click Apply. Special Applications Special Applications let you choose specific ports to be open for specific applications to work properly with the Network Address Translation (NAT) feature of the Router. -
Page 61: Virtual Servers
To manually enter the port information: 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. 2 Specify the Public Ports used by the application, that will need to be opened up in the firewall for the application to work properly. -
Page 62: Client Ip Filters
5: C HAPTER ONFIGURING THE 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. 5 You can enable or disable each Virtual Server entry by checking or unchecking the appropriate Enable check box. - Page 63 To configure new access control to specific Internet services: 1 Click on Add PC. A screen similar to Figure 50 Figure 50 Add PC Screen 2 Enter a description for the filter you are defining in the Client PC Description field. 3 Enter the IP address or IP address range into the Client PC IP Address fields.
- Page 64 5: C HAPTER ONFIGURING THE OUTER URL Filter To configure the URL filter feature, use the table on the URL Filter page to specify the Web sites (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 You can use the list on the Content Filter page to specify the type of content that you want to filter out. The Router comes with a 14-day free trial of the 3Com Content Filter Service (3CSBCFS). To activate the 14-day free trial of the service, you must first register your Router at www.3com.com.
- Page 66 5: C HAPTER ONFIGURING THE 4 A list of categories is listed under Core Categories and Productivity Categories. You can define what content should be viewed/blocked using the Allow/Deny option. The Deny option is used to filter out the content that contains the specific subject matter.
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Page 67: Mac Address Filtering
Figure 54 Add Schedule Rule Screen 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 68: Dmz
5: C HAPTER ONFIGURING THE To enable the MAC Address Filtering feature: 1 Click Enable for the Enable MAC Address Filtering option. 2 In the Access Rule for registered MAC address option, select Allow or Deny to determine the access rights for the list of addresses defined in the MAC Address Filtering List. - Page 69 Firewall To put a computer in the DMZ, enter the last digits of its LAN IP address in the Static IP field. Put the IP address (if known) that will be accessing the DMZ PC into the Public IP field, so that only the computer on the Internet at this address can access this PC without firewall protection.
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Page 70: Advanced
5: C HAPTER ONFIGURING THE Advanced From the Advanced screen, you can configure: ■ ■ ■ ■ Three sub-menu items can also be configures in this page: ■ ■ ■ Figure 57 Advanced Screen ■ OUTER NAT (Network Address Translation) Universal Plug and Play WAN Ping Blocking Remote Admin... - Page 71 you turn NAT off, the computers on your network will not be able to access the Internet. Other problems may also occur. IPSEC NAT-T Pass-through — NAT-T (NAT Traversal) is an Internet Draft ■ proposed to IETF in order to help the problems associated with passing IPsec traffic through NAT Routers.
- Page 72 5: C HAPTER ONFIGURING THE Remote Administration allows you to make changes to your Router’s settings from anywhere on the Internet. You can choose to either: ■ ■ Routing Three tabs are presented in the Routing screen: ■ ■ ■ Routing Figure 58 Routing Parameter Screen The Routing parameter screen shows a list of current static route entries.
- Page 73 Gateway — the router used to route data to the network specified by ■ the network address. To add a static route entry to the table, click Add and on the screen that appears type in the network address, subnet mask and router. To change an entry, click Edit and to delete an entry, click Delete.
- Page 74 5: C HAPTER ONFIGURING THE 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. 5 Use the Poison Reverse drop-down list to enable or disable Poison Reverse on the router.
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Page 75: Ddns
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. Before you set up DDNS, you must obtain an account, password and static domain name from your DDNS provider. -
Page 76: Snmp
5: C HAPTER ONFIGURING THE 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 62 SNMP Screen To Configure SNMP: 1 In the Community column, enter the name of the SNMP communication channel. -
Page 77: System Tools
SNMP Trap 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 78: Reset To Factory Default
5: C HAPTER ONFIGURING THE OUTER Reset to Factory Figure 64 Reset to Factory Default Screen Default 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. -
Page 79: Upgrade
System Tools Upgrade 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. Figure 66 Upgrade Screen Please download the firmware file to your PC first, and then click Browse and select the firmware file. -
Page 80: Time And Time Zone
5: C HAPTER ONFIGURING THE To change the password: 1 Enter the current password into the Current Password field. 2 Enter the new password into the New Password and Confirm new Password fields. 3 Click Apply. The login timeout option allows you to set the period of time that you can be logged into the Router's setup interface. -
Page 81: Syslog Server
a checkmark in the box next to Enable Daylight Saving. The system clock may not update immediately. Allow at least 15 minutes for the router to contact the time servers on the Internet and get a response. You cannot set the clock yourself. You can specify which SNTP servers the Router will use to update it’s system clock, although doing this should only be necessary if you are experiencing difficulty. -
Page 82: Status And Logs
5: C HAPTER ONFIGURING THE OUTER 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. Status Figure 70 Status Screen This screen shows Router status and statistics. -
Page 83: Atm Pvc Status
ATM PVC Status Figure 72 ATM PVC Status Screen This screen shows ATM PVC status and statistics. Click Disconnect to disconnect from your ISP. ■ Click Connect to connect to your ISP. ■ Logs Figure 73 Logs Screen This screen shows any attempts that have been made to gain access to your network as well as the system activities. -
Page 84: Support/Feedback
You can use the Support/Feedback screen to obtain support and help. Support Figure 74 Support Screen This screen shows support information. Feedback To provide feedback to 3Com, please click Provide Feedback, and this will connect you to 3Com Web site. Figure 75 Feedback Screen This screen shows feedback information. OUTER... -
Page 85: Troubleshooting
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 86: 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 87: 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 88 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 89: 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 90: 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 91: 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 92 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 93: 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 94 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 95: 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 96: 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 97 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 98 B: T PPENDIX ECHNICAL PECIFICATIONS...
- Page 99 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 100 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 101 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 102 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 103: 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 104 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 105: Register Your Product
More information on 3Com maintenance and Professional Services is available at Contact your authorized 3Com reseller or 3Com for a complete list of the value-added services available in your area. BTAINING... -
Page 106: Troubleshoot Online
E: O PPENDIX BTAINING UPPORT FOR Troubleshoot You will find support tools posted on the 3Com Web site at Online 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 107: 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 108 Latin America Telephone Technical Support and Repair Antigua Barbuda AT&T +800 988 2112 Argentina Local Number 54 11 5556 3200 Argentina 0 810 444 3COM Argentina 810 44 32 66 Aruba AT&T +800 998 2112 Bahamas AT&T +800 998 2112 Barbados AT&T +800 998 2112...
- Page 109 Country Telephone Number US and Canada Telephone Technical Support and Repair 1 800 876 3266 Country Telephone Number Contact Us...
- Page 110 E: O PPENDIX BTAINING UPPORT FOR RODUCT...
- Page 111 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 112 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 113 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 114 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 115 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 116 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 117 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 118 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 119 This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No. 004-000-0034504. 3Com is not responsible for any radio or television interference caused by unauthorized modification of the devices included with this 3Com OfficeConnect ADSL 11g Firewall Router, Model Number: WL-542 (3CRWDR100A-72, 3CRWDR100A-72, 3CRWDR100A-72), or the substitution or attachment of connecting cables and equipment other than specified by 3Com.
- Page 120 ■ ■ EU C OMPLIANCE Intended use: ADSL 802.11g/b Firewall Router For connection to ADSL networks 3Com OfficeConnect ADSL 11g Firewall Router Model WL-542 UL Standard 60950 (3rd Edition) or 60950 CAN/CSA C22.2 No. 60950 or 60950 IEC 60950 EN 60950...
- Page 121 Par la présente 3Com Corporation déclare que l'appareil RLAN device est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999/5/CE Par la présente, 3Com Corporation déclare que ce RLAN device est conforme aux exigences essentielles et aux autres dispositions de la directive 1999/5/CE qui lui sont applicables Swedish Härmed intygar 3Com Corporation att denna RLAN device står I överensstämmelse...
- Page 122 EU - R ESTRICTIONS FOR This device may be operated indoors or outdoors in all countries of the European Community using the 2.4GHz band: Channels 1 - 13, except where noted below. 2.4GH IN THE Z BAND ■ ■ ■ RF C RAZIL OMPLIANCE...
- Page 123 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 124 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...