3Com 3CRWDR200A-75-US User Guide

3Com 3CRWDR200A-75-US - OfficeConnect ADSL Wireless 108 Mbps 11g Firewall Router Manual

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  • 3Com 3CRWDR200A-75-US | User Guide - Page 1
    OfficeConnect® ADSL Wireless 108Mbps 11g Firewall Router User Guide Model WL-553 3CRWDR200A-75 3CRWDR200B-75 http://www.3com.com/ Part No. 10015251 Rev. AB Published August 2008
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    to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com, OfficeConnect and the 3Com logo are registered trademarks of 3Com Corporation. Intel and Pentium are
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    ABOUT THIS GUIDE Naming Convention 9 Conventions 9 Related Documentation 10 1 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless 21 Powering Up the Router 22 Connecting the Router 22 3 SETTING UP YOUR COMPUTERS Obtaining an IP Address Automatically 25 Windows 2000 25 Windows Vista 27 Windows XP
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    Windows 95/98/ME 27 Macintosh 28 Disabling PPPoE and PPTP Client Software 28 Disabling Web Proxy 29 4 RUNNING THE SETUP WIZARD Accessing the Wizard 31 Welcome 33 Password 34 Time Zone 35 WAN Settings 36 LAN Settings 41 DHCP 41 Wireless Settings 42 Summary 44 5 ROUTER CONFIGURATION Navigating Through
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    Content Filter 73 URL Filter 74 System Tools 76 Restart 77 Time Zone 78 Configuration 79 Upgrade 80 Advanced 81 Static Route 81 RIP 81 DDNS 82 Quality of Service 84 Proxy ARP 84 IPSec 85 Port Mapping 87 Management 88 Syslog 88 SNMP 89 UPnP 90 Trusted Station 91 Remote Management 92 Utility
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    Internet 102 Forgotten Password and Reset to Factory Defaults 102 Wireless Networking 103 Power LED or Power Adapter OK LED Not Lit 105 Replacement Power Adapters 105 Alert LED 106 Recovering from Corrupted Software 106 Frequently Asked Questions 107 3Com Warranty and Support Services 108 A USING
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    122 Consignes importantes de sécurité 123 E END USER SOFTWARE LICENSE AGREEMENT GLOSSARY INDEX REGULATORY NOTICES Regulatory Information 137 CAUTION: EXPOSURE TO RADIO FREQUENCY RADIATION. 137 US - Radio
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    the information in the release note. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com Naming Convention Throughout this guide, the OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router is
  • 3Com 3CRWDR200A-75-US | User Guide - Page 10
    ■ Identify menu names, menu commands, and software button names. Examples: From the Help menu, select Contents. Click OK. Related In addition to this guide, each Router document set includes one Documentation Installation Guide. This guide contains the instructions you need to install and configure
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    OfficeConnect® product range from 3Com has changed all this, bringing networks to the small office. The products that compose the OfficeConnect range give you, the small office user, the same power many administrative features such as scheduled internet access policies, web content filter, and
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    Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network. Figure 2 Example Network Using a ADSL Wireless 108Mbps 11g Firewall
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    feet ■ One RJ 11 cable (typically a telephone cable) if your model is 3CRWDR200A-75 ■ One RJ 45 cable (typically an Ethernet cable) if your model is 3CRWDR200B-75 ■ One CD-ROM containing the Router Discovery program and this User Guide ■ Installation Guide ■ One Support and Safety Information Sheet
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    least the following: ■ A computer with an operating system that supports TCP/IP networking protocols (for example Windows 95/98/NT/Me/2000/XP, Unix, Mac OS 8.5 3CRWDR200A-75 ADSL Wireless 108Mbps 11g Firewall Router Alert Power WLAN Sync Data DSL DSL On= 10M/100M, Flash = Activity 1 Alert LED
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    process of being upgraded In each of these cases, wait until the Router has completed the current operation and the alert LED is Off. Flashing slowly - The Router has completed the Reset to Factory Defaults process, and is waiting for you to reset the unit. To do this, remove power, wait 10 seconds
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    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 4) of the Router contains four LAN ports, one Ethernet ADSL port, a power adapter OK LED, and a power adapter socket. Figure 4 Router -
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    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 this button to reset your Router to factory default. 12 Four 10/100 LAN ports Using suitable RJ-45 cable, you can connect
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    18 CHAPTER 1: INTRODUCING THE ROUTER
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    2 HARDWARE INSTALLATION Introduction This chapter will guide you through a basic installation of the Router, including: ■ connected to the four LAN ports on the rear panel, if desired. ■ allows easy viewing of the front panel LED indicator lights, and access to the rear panel connectors,
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    of the case is not restricted. 3Com recommends you provide a minimum of supplied with another stackable OfficeConnect unit. Wall Mounting There are two slots on the underside of the Router that can be used for wall mounting. When wall mounting the unit, ensure that it is within reach of the power
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    you have a DSL connection and your ISP allocates IP information dynamically over PPPoE, (or PPPoA, which is in common use in the UK), you need a User Name and Password: PPPoE User Name PPPoE Password PPPoE Service Name You only need a PPPoE Service Name if your ISP requires one. Do not
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    Tvqqmz!Voju Joufsofu POWER OK Cable/DSL 2 1 LAN Xjsfmftt! Vtfst To use your Router to connect to the Internet through an DSL connection: 1 Insert one end of the supplied telephone (RJ-11) cable into the ADSL port on the rear panel of the Router. Check that the DSL Sync status LED lights on the
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    ports. If you configure the Router from a wireless computer, note that you may lose contact with the Router if you change the wireless configuration. To communicate wirelessly with your Router, your wireless NIC should be set as follows: ■ Encryption - none ■ Service Area Name/SSID - 3Com ■ Channel
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    24 CHAPTER 2: HARDWARE INSTALLATION
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    configuration of your computers to allow this, follow the instructions in this chapter. If your computers are configured with fixed IP address automatically. Windows 2000 If you are using a Windows 2000-based computer, use the following procedure to change your TCP/IP settings: 1 From the Windows
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    SETTING UP YOUR COMPUTERS 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 Restart your computer.
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    DNS servers automatically are both selected. Click OK. 7 Restart your computer. Windows 95/98/ME If you are using a Windows 95/98/ME computer, use the following procedure to change your TCP/IP settings: 1 From the Windows Start Menu, select Settings > Control Panel. 2 Double click on Network. Select
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    Server." 4 Close the TCP/IP dialog box, and save your changes. 5 Restart your computer. Disabling PPPoE and PPTP Client Software If you have PPPoE or PPTP client software installed on your computer, you will need to disable it. To do this: 1 From the Windows Start menu, select Settings > Control
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    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.
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    30 CHAPTER 3: SETTING UP YOUR COMPUTERS
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    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 ) 4 To log in as an administrator, enter the password (the default setting is admin) in the System
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    32 CHAPTER 4: RUNNING THE SETUP WIZARD 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
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    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 guided step-by-step through a basic setup procedure. Welcome Figure 12 Welcome Screen
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    34 CHAPTER 4: RUNNING THE SETUP WIZARD 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.
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    Accessing the Wizard 35 3Com recommends entering a new password when setting up the Router for the first time. The Router is shipped from the factory with a default password, admin. 1. Password is case sensitive. 2. Write the new password down and keep it in a safe place, so that you can change your
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    36 CHAPTER 4: RUNNING THE SETUP WIZARD WAN Settings Figure 16 Internet Settings Screen This Internet Addressing Mode window allows you to set up the Router for the type of an Internet Addressing mode from the following: ■ PPPoE ■ PPPoA ■ Dynamic/Fix IP in 1483 Bridge Mode ■ IP over ATM ■ Bridging
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    Screen Accessing the Wizard 37 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 Ethernet service name
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    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 the Router ends the PPPoE session. 4 Manual IP Address/DNS Server configuration: Enter the IP Address that you would like to be
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    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
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    RUNNING THE SETUP WIZARD 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 Manual Default Gateway
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    21 Bridging Mode Screen Accessing the Wizard 41 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 screen displays
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    42 CHAPTER 4: RUNNING THE SETUP WIZARD 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 appropriate,
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    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
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    WIZARD 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 the router will reboot
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    - displays the firmware version of the Router, allows you to change your password, and launch the Wizard ■ LAN Settings - allows you to configure IP address and subnet security of the wireless network, setup WMM parameters, Wireless mode selection, Mac Access Control and Advanced Wireless Settings.
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    RIP, DDNS, IPSec, Proxy ARP, Port Mapping and QoS(Quality of Service). ■ Management - displays the current status . ■ Support/Feedback - contains a comprehensive online help system and allows you to provide 3Com with feedback Password. You can also gain access to the Configuration Wizard. Notice Board
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    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 password to prevent unauthorized access to the
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    48 CHAPTER 5: ROUTER CONFIGURATION 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
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    Call Processor: If you have 3Com NBX Call Processor, enter its IP Address here. 6 Enable DHCP Server Relay: Check this box to make the device act as a DHCP relaying agent. Thus, it forwards DHCP requests to your existing DHCP server instead. Please enter your DHCP server's IP Address in the fields.
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    50 CHAPTER 5: ROUTER CONFIGURATION Static DHCP Figure 30 Static DHCP Assignment Screen Assignment To assign a LAN client with a static IP Address, please do the following: 1 Enter the IP Address that you would like to lease and the client MAC address in the fields appropriately. The MAC Address must
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    51 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 the following sections. To improve the security of your wireless network, 3Com recommends that you: 1. Change the SSID from its default value
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    is the default. Channel Selection Select a number from the drop-down list to specify which Channel the Router will transmit and receive on. If another access point or Router nearby is using the same Channel as you, there will be a reduction in the performance of your network. If this seems to be
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    clearest channel whenever it is rebooted, powered up, and when the Clear Channel Select is checked, the Router will broadcast the Service Area Name/SSID of your wireless network, which to connect, provided that they are supplied with the SSID. 3Com recommends that you install your wireless network
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    opens. Thus, you may save your wireless settings to an external file and later on use this file to import the settings with supported 3Com supports the following types of encryption: ■ WPA/WPA2/Mixed WPA WPA2 - Wi-Fi Protected Access 128 bit encryption method with user configurable fixed keys. ■ WPA
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    Generate to generate 4 hex keys automatically. Virtually all manufacturers support this scheme. Hexadecimal numbers are formed from 0-9 and A-F. method only generates 1 key which is replicated for all 4 keys. 4 Manually assign each key. If you selected 64 bits encryption, enter 10 HEX characters
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    56 CHAPTER 5: ROUTER CONFIGURATION 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. 3
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    seconds.. 3 Enter the RADIUS Server IP address. 4 Enter the RADIUS Port number. 5 Enter your RADIUS KEY here. Click Save to save the setting. WMM You can enable Wi-Fi Multimedia (WMM) support to help improve the Quality of Service (QoS) for your wireless traffic.3Com recommends that you leave the
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    transmission. So you may adjust theses parameters with regard to the characteristics of these types of data to better manage your network flow. AC (Access Category): It uses 4 different ACs, from high to low: VO:Voice, VI: Video, BE:Best Effort, BK: Background AIFS (Arbitrary Interframe Space): An
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    increases when operating with smaller CWmin. These parameters can be used in order to differentiate the channel access among different priority traffic. EDCA STA Parameters: Each station maintains a Contention Window (CW), which is used to select the random back off counter.The BC is determined as
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    60 CHAPTER 5: ROUTER CONFIGURATION 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
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    more devices to the Wireless LAN, the client list will grow to a maximum of 64 (the maximum number of wireless devices that the Router can support). Advanced Wireless The router provides some advanced wireless functionalities to let the Settings
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    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 authentication. With Shared Key
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    users, do not use more transmission power than necessary to cover the range needed by your wireless network. Try using the Router at different levels of transmission power, and determine how much power is needed to reach the wireless client, such as a PC or access point severe problems and window
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    (Wireless Distribution System) is comprised of a bridging and/or a repeater mode. The Router supports the Wireless Distribution System (WDS) repeater mode. WDS repeating enables one or more Access Points to rebroadcast received signals to extend range and reach, though this can affect the overall
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    ISP. There are five different ways that ISPs can allocate IP information, as described below: 1 PPPoA (PPP over ATM) The ISP provides the IP addressing information for you to enter manually. To configure the Router you will need to know the following: ■ User name ■ Password ■ Authentication Method
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    correctly, you should obtain the information from your ISP. 3 Dynamic/Fixed IP in 1483 Bridge Mode In this mode of connection, your ADSL router simply from either VC or LLC. Firewall On the main frame of the Firewall setup screen is a menu with eight tabs: Virtual Servers, Special Applications, DMZ
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    as an FTP server, allowing others outside of your office network to download files of your choosing. Or, if you have created a Web site port numbers required for that service if it is not pre-defined. 3 Enter the last digit of the LAN server IP address. 4 Click Apply to apply the changes. The port
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    and are not blocked, the firewall needs to be told about them. In each instance there will be a trigger port and incoming port(s), where traffic on the trigger port tells the firewall to open the incoming ports. Each defined Special Application only supports a single computer user, and up to32
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    Virtual Server or Special Applications options do not provide the level of access needed for certain applications. Single DMZ To configure one of your computers as a DMZ host, enter the IP address of the computer in the DMZ Host IP Address, and then click Save/Apply. Multiple DMZ You may enable the
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    of network attacks such as DoS attacks. Denial of Service (DoS) attacks are aimed at devices and networks with a connection to the Internet. The goal is not to steal information, but to disable a device or network so users no longer have access to network resources. To configure SPI information on
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    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 PC Privileges to display the PC Privilege setup screen. Access from the local network to the
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    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 select to block specific services or protocols. 4 You may also block additional ports by listing the port range in the User Defined
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    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 can subscribe to the 3Com Content Filter Service, which enables you to block or allow the URLs of a number of pre-defined categories. The
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    the Content Filter Server that you require from the drop-down list. If you select custom entry, enter the server IP address in the text box. 4 Select the Server Timeout value in milliseconds. The default is 3000 milliseconds (3 seconds). that you want your clients to be able or not able to access.
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    Screen Firewall 75 To enable enter the URL for that site. For example, to stop your users from browsing a site called www.badsite.com, enter www.badsite. block all URLs containing the string badsite.com. As well as blocking this.badsite.com and that.badsite.com, the keyword badsite.com would block
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    Router filters all traffic from domains that have been blocked using the URL filter. If you need to access an external mail server, FTP server or other named to URL filtering can be excluded by listing them as the full access PC's IP Addresses in the Filter Policy Tab. The main frame of the System
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    restart the Router by selecting Restart the Router, simulating the effect of power cycling the unit. No configuration information will be lost but the problems and you wish to re-establish your Internet connection. Any network users who are currently accessing the Internet will have their access
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    its system clock accordingly. The Daylight Savings option merely advances the system clock by one hour. It does not cause the system clock to be updated for daylight savings time automatically.
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    . You will be prompted to download and save a file to disk Router's memory. The password will remain unchanged. Reset to Factory Default If you want to reset the settings on your Router factory, click RESET. You will lose all your configuration changes. The Router LAN IP address will revert
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    permanently off. Make sure that you do not interrupt power to the Router during the upgrade procedure; if you do, the software may be corrupted and the Router may not start up properly afterwards. If the Alert LED comes on continuously after a failed upgrade, refer to Chapter 6, "Troubleshooting".
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    browser window: Static Route, RIP, DDNS, Quality of Service, ProxyARP, Port Mapping, and IPSec. Static Route The Router supports static the network address. ■ The network interface associated with the IP address. RIP The Router supports the Routing Information Protocol (RIP). RIP allows you to set
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    Dynamic Domain Name Server (DDNS) enables you to map a static domain name to a dynamic IP address. The Router supports five DDNS providers, TZO.com, DYNDNS.org, Zoneedit, NO-IP, DtDns. Before you can set up DDNS, you must obtain an account, password and static domain name from your DDNS provider
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    text box, enter the domain name. 2 In the Username/E-mail text box, enter the account name. 3 In the Key text box, enter the account password. 4 In the Refresh Time box, enter how often you want the service to automatically refresh, in days. The default is three days. 5 Click Apply to make this
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    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 save to save the changes and Apply to make this service active. Quality of Service Figure 56 QoS Screen This screen lists the QoS classifiers or policy. A classifier groups
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    tab. 3 Select the Enable Proxy ARP check box. 4 Enter the static IP addresses that your ISP has given to you. 5 Click Save to save your changes. IPSec Internet Protocol Security (IPSec) is a standards-based VPN that offers flexible solutions for secure data communications across a public network
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    a subnet and the corresponding subnetmask in the field provided. Tunnel Access from Remote IP Addresses: Select if you want to create a tunnel access with the remote site for a single computer or a subnet. IP Address/Subnetmask for VPN: If you choose a single computer from the above, please enter
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    box. Manual is useful for troubleshooting when you have problems using IKE key management. Pre-Shared Key: Type your pre-shared key in this field. Enter 8 to 31 case-sensitive ASCII characters. Both routers which would build a VPN tunnel must use the same pre-shared key. Port Mapping Port Mapping
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    as System Log, SNMP, UPnP, Trust Station, Remote Management, and Utility. Syslog If you have a syslog server on the network, you can configure the Router Point to send the device logs to the server. You may need to configure the syslog server to accept logs from the Router.
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    display. Select Select on the Mode for logging mode: Local, Remote, or Both. For the remote logging, enter the remote server's IP address and Port number for receiving the logs. SNMP Simple Network Management Protocol (SNMP) is the protocol used for exchanging management information between network
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    which is the password for the incoming Get and GetNext Set Community, which is the password for incoming Set requests from the the Contact person's name. 6 Type the IP Address of the station/device for sending your SNMP is a distributed, open networking standard that uses TCP/IP for simple peer-
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    Figure 62 The UPnP Screen Management 91 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.
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    host to access the administration pages. To remotely administer your Router, enter http://xxx.xxx.xxx.xxx:8000 in the location bar of the browser running on the remote computer, where xxx.xxx.xxx.xxx is the Internet IP address of the Router. You may then login using the administration password. Your
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    Figure 65 The Utility Screen Diagnostics 93 Diagnostics 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. The
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    94 CHAPTER 5: ROUTER CONFIGURATION Figure 66 The Diagnostics Screen Device Info The Device Info Settings menu provides the following options:
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    Summary Figure 67 The Summary Screen Device Info 95 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.
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    96 CHAPTER 5: ROUTER CONFIGURATION 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.
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    Route Figure 70 The Route Screen Device Info 97 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.
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    , and Syslog screens in your Web browser window. Support/Feedback Selecting Support/Feedback from the main menu displays the Support and Feedback screens. Support Figure 72 Support Screen Selecting the Support option on the main menu displays the support links screen, which contains a list of
  • 3Com 3CRWDR200A-75-US | User Guide - Page 99
    Feedback Figure 73 Feedback Screen Support/Feedback 99 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.
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    100 CHAPTER 5: ROUTER CONFIGURATION
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    TROUBLESHOOTING Basic Connection Checks ■ Check that the Router is connected to your computers, and that all the equipment is powered on. Check that the LAN Status and Sync DSL Status LEDs on the Router are illuminated, and that any corresponding LEDs LED does not illuminate for a port an IP address
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    . ■ Check that the PPPoE, PPPoA or PPTP user name, password and service name are correct, if these are required. Only enter a PPPoE service name if your ISP requires one. ■ Ensure that your computers are not configured to use a Web proxy. On Windows computers, this can be found under Control Panel
  • 3Com 3CRWDR200A-75-US | User Guide - Page 103
    and hold the reset button at the rear panel of the device for about 5 seconds and release. The LEDs will start blinking. 3 Wait until the Alert Led stops flashing the red light when the device has completed the Power On Self Test. 4 Now you may connect your computer to one of the LAN ports of the
  • 3Com 3CRWDR200A-75-US | User Guide - Page 104
    TROUBLESHOOTING band for low power applications, and you problem exists. ■ Most wireless computer Adapters will scan the channels for the wireless Router. If a wireless computer has not located the Router then try initiating a search manually if the client software supports this feature or manually
  • 3Com 3CRWDR200A-75-US | User Guide - Page 105
    . If the mains outlet is working and is capable of supplying power to other devices, contact 3Com Technical Support and ask for a replacement power adapter. Please quote the power adapter part number shown on the OfficeConnect power adapter you are using. Alternatively, quote the part number for
  • 3Com 3CRWDR200A-75-US | User Guide - Page 106
    Corrupted Software If the Alert LED remains permanently on following power-up, it is possible that the system software has become corrupted. In this condition, the Router will enter a "recovery" state; DHCP is disabled, and the LAN IP address is set to 192.168.1.1. Follow the instructions below
  • 3Com 3CRWDR200A-75-US | User Guide - Page 107
    instructions. Enter the path and filename of the software image file. 6 When the upload has completed, the Router will restart, run the self-test and, if successful, resume normal operation. The Alert LED will go out. 7 Refer to the Installation Guide to reconnect your Router with your ADSL service
  • 3Com 3CRWDR200A-75-US | User Guide - Page 108
    also possible to set up VPN hosts on your LAN that clients elsewhere on the Internet can connect to, but this is not a recommended configuration. Where can I download software updates for the Router? Updates to the Router software are posted on the 3Com support web site, accessible by visiting: http
  • 3Com 3CRWDR200A-75-US | User Guide - Page 109
    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 for
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    110 CHAPTER 6: TROUBLESHOOTING
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    A USING DISCOVERY 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
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    112 APPENDIX A: USING DISCOVERY 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.
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    probably the most widely known and is a combination of two of the protocols (IP and TCP) working together. TCP/IP is an internationally adopted and supported networking standard that provides connectivity between equipment from many vendors over a wide variety of networking technologies. Managing
  • 3Com 3CRWDR200A-75-US | User Guide - Page 114
    . ■ Part two ('.8') identifies the device within the network. This type of IP Address operates on a subnet mask of '255.255.255.0'. See Table 3 for 255.255.0 Type Two In larger networks, where there are more devices, the IP address of '192.168.1.8' is, again, split into two parts but is structured
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    98 or Windows NT 4.0. Also, using DHCP means that the same IP address and subnet mask will never be duplicated for devices on the network. DHCP is particularly useful for networks with large numbers of users on them. Static Addressing You must enter an IP Address and the subnet mask manually on
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    116 APPENDIX B: IP ADDRESSING 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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    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 (10BASE-T/100BASE-TX) WLAN Interfaces
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    118 APPENDIX C: TECHNICAL SPECIFICATIONS Encryption: 40/64 bit WEP, 128 bit WEP, WPA Maximum clients: 128 O/P Power 18dBm Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 7VA, 23.9 BThU/hr Humidity 0% to 90% (non-condensing) humidity Dimensions ■ Width = 220 mm (8.7 in.) ■ Depth = 135 mm
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    " 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 ■ Windows ME ■ Windows 2000 ■ Windows XP ■ Mac OS 8.5 or higher ■ Unix Ethernet Performance The Router complies to the IEEE
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    120 APPENDIX C: TECHNICAL SPECIFICATIONS
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    the equipment to which it is connected also operates under SELV conditions. WARNING: There are no user-replaceable fuses or user-serviceable parts inside the Router. If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide, contact your supplier.
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    : Disconnect the power adapter before moving the unit. WARNING: RJ-45 ports. These are Access Point eingesetzt werden soll, erlaubt ist. VORSICHT: Bei der Installation und beim Ausbau des Geräts ist mit höchster Vorsicht vorzugehen. VORTSICHT: Stapeln Sie das Geräts nur mit anderen OfficeConnect
  • 3Com 3CRWDR200A-75-US | User Guide - Page 123
    très attention lors de l'installation et de la dépose du groupe. AVERTISSEMENT: Seulement entasser le moyer avec les autres moyeux OfficeConnects. AVERTISSEMENT: Pour garantir le respect des normes internationales de sécurité, utilisez uniquement l'adaptateur électrique remis avec cet appareil
  • 3Com 3CRWDR200A-75-US | User Guide - Page 124
    qui ne peut pas être résolu avec les actions de la résolution des problèmes dans ce guide, contacter votre fournisseur. AVERTISSEMENT: Débranchez l'adaptateur électrique avant de retirer cet appareil. AVERTISSEMENT: Ports RJ-45. Il s'agit de prises femelles blindées de données RJ-45. Vous ne pouvez
  • 3Com 3CRWDR200A-75-US | User Guide - Page 125
    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 (ì3COM of "Specially Designated Nationals and Blocked Persons," as published and
  • 3Com 3CRWDR200A-75-US | User Guide - Page 126
    Sale Software and Documentation, and may be amended only in a writing signed by both parties. Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason, please contact the 3Com subsidiary serving your country, or write: 3Com Corporation, Customer Support
  • 3Com 3CRWDR200A-75-US | User Guide - Page 127
    wireless client radio traffic and forwarding wireless client messages to the Ethernet LAN. Ad Hoc mode Ad Hoc mode is a configuration supported by most wireless clients. It is used to connect a peer to peer network together without the use of an access point. It offers lower performance than
  • 3Com 3CRWDR200A-75-US | User Guide - Page 128
    3, because it supports both Ethernet (10 Mbps) and Fast Ethernet (100 Mbps) speeds. Channel Similar to any radio device, the OfficeConnect Router allows you an IP address for every computer on your network. Windows 95, Windows 98 and Windows NT 4.0 contain software that assigns IP addresses
  • 3Com 3CRWDR200A-75-US | User Guide - Page 129
    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 OfficeConnect Router and Wireless Router offer a choice of encryption methods. See "WPA" and "WEP" for details. ESSID Extended Service Set
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    mode is the wireless configuration supported by the Router. You will need to ensure all of your clients are set up to use infrastructure mode in order for them to communicate with the Access Point built into your Router. (see also Ad Hoc mode) IP Internet Protocol. IP is a layer 3 network protocol
  • 3Com 3CRWDR200A-75-US | User Guide - Page 131
    Service MTU Maximum Transmission Unit is the size of the largest datagram that can be sent over a network NAT Network Address Translation. NAT enables all the computers on your network to share one IP address. The NAT capability of the Router allows you to access the Internet from
  • 3Com 3CRWDR200A-75-US | User Guide - Page 132
    Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a method of data transmission originally created for dial-up connections; PPPoE is for Ethernet connections. PPTP Point-to-Point with access to shared network services such as IP addressing scheme that allows a site to use a single IP
  • 3Com 3CRWDR200A-75-US | User Guide - Page 133
    of networks. Originally a UNIX standard, TCP/IP is now supported on almost all platforms, and is the protocol some, or all, of their settings and need less user configuration. URL Filter A URL Filter is a feature an example of a wide area network. WDS Wireless Distribution System. A system that can
  • 3Com 3CRWDR200A-75-US | User Guide - Page 134
    describe a desktop or mobile PC that is wirelessly connected to your wireless network Wireless LAN Service Another term for ESSID (Extended Service Set Identifier) Area Wizard A Windows application that automates a procedure such as installation or configuration. WLAN Wireless Local Area Network
  • 3Com 3CRWDR200A-75-US | User Guide - Page 135
    65 IP Address 21, 41, 113 L LAN 41, 48 LED 14 Login 112 N Network addresses 113 Networking wireless 103 NIC wireless 14 P Password 31, 47 PPPoE 21, 28, 37, 66 PPTP 66 Profile 62 R Remote Administration 92 Reset to Factory Defaults 79, 102 Restart 77 RIP 81 setting up 82 S Safety Information 19 Setup
  • 3Com 3CRWDR200A-75-US | User Guide - Page 136
    117 Technical Support 108 Time Zone 35, 78 U Unit Configuration 48 Upgrade 80 URL Filter 74 V Virtual Servers 66, 67 W WAN 36 Web Proxy 29 Wireless authorized PCs 61 channel selection 52 client list 61 configuration 52 connection control 59 encryption 54 LED 15 networking 103 NIC 14 service area
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    REGULATORY NOTICES Regulatory Information 3Com OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router (WL-553) must be installed and used in strict accordance with the manufacturer's instructions as described in the user documentation that comes with the product. This product contains encryption.
  • 3Com 3CRWDR200A-75-US | User Guide - Page 138
    to 300 GHz)]. US - Radio Frequency This in accordance with the instructions, it may cause equipment off and on, the user is encouraged to try and 3Com is not responsible for any radio or television interference caused by unauthorized modification of the devices included with this 3Com OfficeConnect
  • 3Com 3CRWDR200A-75-US | User Guide - Page 139
    will be the responsibility of the user. MANUFACTURER'S DECLARATION OF CONFORMITY 3Com Corporation 350 Campus Drive Marlborough, MA Brand Name: 3Com Corporation Model Number: WL-553 Equipment Type: 3Com OfficeConnect ADSL Wireless 108Mbps 11g Firewall Router 3Com OfficeConnect ADSL Wireless108Mbps
  • 3Com 3CRWDR200A-75-US | User Guide - Page 140
    users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (EIRP) is not more than that required for successful communication. To prevent radio interference to the licensed service, this device is intended to be operated indoors and away from windows
  • 3Com 3CRWDR200A-75-US | User Guide - Page 141
    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 Guide. EUROPE - DECLARATION OF CONFORMITY IN LANGUAGES OF THE EUROPEAN COMMUNITY English Finnish Dutch French Swedish Danish
  • 3Com 3CRWDR200A-75-US | User Guide - Page 142
    page for the 3CRWDR200A-75 & 3CRWDR200B-75 at http://www.3com.com. A copy of the signed Declaration of Conformity can be downloaded from the Product Support web page for the 3CRWER100-75(WL-537) at http://www.3com.com. Also available at http://support.3com.com/doc/WL-537_EU_DOC.pdf A copy of the
  • 3Com 3CRWDR200A-75-US | User Guide - Page 143
  • 3Com 3CRWDR200A-75-US | User Guide - Page 144
    01752-3064. Copyright © 2008 3Com Corporation. All rights reserved. 3Com and OfficeConnect are registered trademarks of 3Com Corporation. All other company and product names may be trademarks of their respective companies. To learn more about 3Com products and services, visit our World Wide Web
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Part No. 10015251 Rev. AB
Published August 2008
OfficeConnect®
ADSL Wireless 108Mbps 11g Firewall Router
User Guide
Model WL-553
3CRWDR200A-75
3CRWDR200B-75