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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 instructions in
this chapter.

Obtaining an 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

Start

Menu, select

Settings

>

Control Panel

.

2

Double click on

Network and Dial-Up Connections

.

3

Double click on

Local Area Connection

.

4

Click on

Properties

.

5

A screen similar to

Figure 8

should be displayed. Select

Internet Protocol

TCP/IP

and click on

Properties

.

«
...
21
22
23
24
25
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»

Содержание OfficeConnect 3CRWDR100B-72

Страница 1: ...http www 3com com Part No DUA100A 72AAA01 Rev 01 Published September 2004 OfficeConnect ADSL Wireless 11g Firewall Router User Guide 3CRWDR100A 72 3CRWDR100B 72 3CRWDR100U 72...

Страница 2: ...mentation contained in or delivered 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 registere...

Страница 3: ...inimum System and Component Requirements 14 Front Panel 14 Rear Panel 15 2 HARDWARE INSTALLATION Introduction 17 Safety Information 17 Positioning the Router 17 Using the Rubber Feet 18 Powering Up th...

Страница 4: ...eless Settings 43 Configuring Wireless 43 Encryption 44 Internet Settings 50 Connection Type 50 DNS 55 Hostname MAC 56 Routing 57 Static Routes 57 RIP Parameters 58 Routing Table 59 Firewall 59 Specia...

Страница 5: ...to Factory Defaults 80 Wireless Networking 81 Recovering from Corrupted Software 83 Frequently Asked Questions 84 A IP ADDRESSING The Internet Protocol Suite 85 Managing the Router over the Network 85...

Страница 6: ...FOR YOUR PRODUCT Register Your Product 99 Purchase Value Added Services 99 Troubleshoot Online 100 Access Software Downloads 100 Telephone Technical Support and Repair 100 Contact Us 101 GLOSSARY REG...

Страница 7: ...ote is shipped with the ADSL 11g Wireless Router and contains information that differs from the information in this guide follow the information in the release note Most user guides and release notes...

Страница 8: ...aution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that alerts you to potential personal injury Table 2 Text Conven...

Страница 9: ...use this e mail address for technical support questions For information about contacting Technical Support please refer to Appendix C Related Documentation In addition to this guide each Router docum...

Страница 10: ...10 ABOUT THIS GUIDE...

Страница 11: ...s designed to provide a cost effective means of sharing a single broadband Internet connection amongst several wired and wireless computers The Router also provides protection in the form of an electr...

Страница 12: ...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 compu...

Страница 13: ...network address settings DHCP Acts as a Virtual server to enable remote access to Web FTP and other services on your network Security Firewall protection against Internet hacker attacks and encryptio...

Страница 14: ...ve ADSL subscription and connection A Web browser that supports JavaScript such as Netscape 4 7 or higher Internet Explorer 5 0 or higher or Mozilla 1 2 1 or higher Front Panel The front panel of the...

Страница 15: ...LED is flashing the link is OK and data is being transmitted or received If the LED is off nothing is connected or the connected device is switched off or there is a problem with the connection refer...

Страница 16: ...t interface for example due to a lost password then you may use this button Refer to Forgotten Password and Reset to Factory Defaults on page 80 for further details 10 Power Switch Push this switch to...

Страница 17: ...lire attentivement la section Consignes importantes de s curit avant de mettre en route Positioning the Router You should place the Router in a location that is conveniently located for connection to...

Страница 18: ...er Feet Use the four self adhesive rubber feet to prevent your Router from moving around on your desk or when stacking with flat top units Only stick the feet to the marked areas at each corner of the...

Страница 19: ...are using a full rate G dmt connection your service provider will attach the outside ADSL line to a data voice splitter In this case you can connect your phones and computer directly to the splitter a...

Страница 20: ...20 CHAPTER 2 HARDWARE INSTALLATION Figure 6 Installing with a splitter...

Страница 21: ...ate 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 If you configure the Router from a wireless c...

Страница 22: ...22 CHAPTER 2 HARDWARE INSTALLATION...

Страница 23: ...s follow the instructions in this chapter Obtaining an 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...

Страница 24: ...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 9 Click OK Figure 9 Internet Proto...

Страница 25: ...Restart your computer Windows 95 98 ME 1 From the Windows Start Menu select Settings Control Panel 2 Double click on Network Select the TCP IP item for your network card and click on Properties 3 In t...

Страница 26: ...similar to Figure 10 should be displayed 4 Select the Never Dial a Connection option Figure 10 Internet Properties Screen You may wish to remove the PPPoE client software from your computer to free re...

Страница 27: ...nsure that you have at least one computer connected to the Router Refer to Chapter 2 for details on how to do this 2 Launch your Web browser on the computer 3 Enter the following URL in the location o...

Страница 28: ...ogged in either The Status screen will appear Figure 13 Select Setup Wizard from the menu or If your Router has not been configured before the Wizard will launch automatically refer to Figure 14 6 You...

Страница 29: ...Select a DSL mode from the following PPPoE PPP over Ethernet providing routing for multiple PCs see page 30 PPPoA PPP over ATM providing routing for multiple PCs see page 31 Bridge Mode for a single...

Страница 30: ...2 Enter your PPP over Ethernet password in the Password text box 3 Re type your PPP over Ethernet password in the Retype Password text box 4 Enter your VPI and VCI information in the VPI VCI text box...

Страница 31: ...eless Network in the SSID field If there are other wireless networks in your area you should give your wireless network a unique name PPPoA Mode Figure 17 PPPoA Screen To setup the router for use with...

Страница 32: ...by your ISP 6 Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 18 Wireless Settings Screen 7 Set the Wireless Channel you want to use from the Channel dr...

Страница 33: ...ormation will have been provided to you by your ISP 3 Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 20 Wireless Settings Screen 4 Set the Wireless Cha...

Страница 34: ...subnet mask in the Subnet Mask text box 3 Enter the default router in the Default Gateway text box 4 Enter the DNS address in the DNS text box 5 Enter your VPI and VCI information in the VPI VCI text...

Страница 35: ...D field If there are other wireless networks in your area you should give your wireless network a unique name Dynamic Fixed IP in 1483 Bridge Mode For Multiple PCs Figure 23 Dynamic Fixed IP for Bridg...

Страница 36: ...psulation drop down list This information will have been provided to you by your ISP 8 Check all of your settings and then click Next The Wireless Settings screen is displayed Figure 24 Wireless Setti...

Страница 37: ...izard 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...

Страница 38: ...38 CHAPTER 4 RUNNING THE SETUP WIZARD...

Страница 39: ...192 168 1 1 but if you changed the Router LAN IP address during initial configuration use the new IP address instead When you have browsed to the Router log in using your system password default pass...

Страница 40: ...ettings for the DHCP server will work in most any application If you need to make changes to the settings you can do so The changes that you can make are Change the Internal IP address of the Router T...

Страница 41: ...ess of the Router is 192 168 1 1 2 If you want to use the Router as a DHCP Server click in the On check radio button 3 If you need to you can change the range of addresses given out by the Router by c...

Страница 42: ...network card Client Type Whether the client is connected to the Router by wired or wireless connection As you connect more devices the client list will grow to a maximum number of 253 clients From th...

Страница 43: ...either the Internet or other PCs on your Wired or Wireless LAN through this Router Select the required setting and press Apply Configuring Wireless Figure 30 Wireless Configuration Screen 1 Set the Wi...

Страница 44: ...reases network security If you decide to enable SSID Broadcast ensure that you know the name of your network first 4 In the Wireless Mode drop down list select whether your router will operate in 11b...

Страница 45: ...solution In a wireless network where not all devices support WPA WEP Wired Equivalent Privacy should be used 1 Enter the pre shared key in the Pre shared Key PSK field The pre shared key is a password...

Страница 46: ...tup on your Router and wireless client devices to use WEP 1 You can either enter your WEP key as 13 pairs of hex digits 0 9 A F or enter a memorable passphrase in the Passphrase box and then click Gen...

Страница 47: ...n either enter your WEP key as 5 pairs of hex digits 0 9 A F or enter a memorable passphrase in the Passphrase box and then click Generate to generate the hex keys from the passphrase For 64 bit WEP y...

Страница 48: ...g a server to distribute keys to the clients This option requires that a Radius server is running on the network 1 Enter the IP address of the RADIUS server on your network into the RADIUS Server fiel...

Страница 49: ...ess Points to rebroadcast received signals to extend range and reach though this can affect the overall throughput of data To enable wireless repeating 1 Check the Enable WDS check box 2 Enter the MAC...

Страница 50: ...omplete these screens should be obtained from your ISP First select the DSL connection mode from the five options available PPPoE PPP over Ethernet providing routing for multiple PCs see page 51 PPPoA...

Страница 51: ...proceed to step 5 If your ISP has assigned you a fixed or static IP address select No in the IP assigned by ISP field Then enter the IP address and Subnet Mask information provided by your ISP into th...

Страница 52: ...the Password assigned to you by your ISP in the Password field Re enter your password in the Retype Password field 3 If your ISP assigns your IP address dynamically then select Yes in the IP assigned...

Страница 53: ...ter a period of inactivity specify a time in the Idle Time Minutes field Enter a value of 0 to disable this timeout 8 Enter the MTU value supplied by your ISP If you do not know this leave it at the d...

Страница 54: ...and Default Gateway information provided by your ISP into the IP address Subnet Mask and ISP Default Gateway fields 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fi...

Страница 55: ...net IP address in the WAN IP text box 3 Enter the subnet mask in the Subnet Mask text box 4 Enter the default router in the ISP Default Gateway text box 5 Enter your VPI and VCI information in the VPI...

Страница 56: ...o enter a DNS address Hostname MAC To configure the Hostname and MAC Address information for your Router select Internet Settings then from the sub menu select Hostname MAC The Hostname and MAC Addres...

Страница 57: ...hows a list of current static route entries For each entry the following information is displayed Index the index of the entry Network Address the network address of the route Subnet Mask the subnet m...

Страница 58: ...essages it will not transmit any messages itself 4 In the Version field select RIPv1 or RIPv2 3Com recommends that you only use RIPv1 if there is an existing RIP enabled device on your network that do...

Страница 59: ...routing created using Static Routing or RIP Figure 47 Routing Table Screen Firewall From these pages you can configure settings for the firewall Figure 48 Firewall Screen Your Router is equipped with...

Страница 60: ...en 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 A list of popular application...

Страница 61: ...in the firewall for the application to work properly Also specify whether these ports are TCP or UDP 3 Click Apply Virtual Servers Figure 50 Virtual Servers Screen This function allows you to route e...

Страница 62: ...changes for each Virtual Server entry Client IP Filters The Router can be configured to restrict access to the Internet e mail or other network services at specific days and times Restriction can be s...

Страница 63: ...es to be blocked A list of popular services is given on this screen to block a particular service place a check in the appropriate Blocking checkbox If the service to be restricted is not listed on th...

Страница 64: ...ur network For example entering a keyword of xxx would block access to any URL that contains the string xxx To complete this configuration you will need to create or modify an access rule in the Acces...

Страница 65: ...ernet e mail or other network services at specific days and times These schedule rules are used by the rules defined on the Access Control section of this screen see Access Control on page 62 To add a...

Страница 66: ...which computers are allowed on the Wireless network Any wireless computers attempting to access the network that are not specified in the filter list will be denied access To enable this feature 1 Cl...

Страница 67: ...is causing problems with an application such as a game or video conferencing application Use this feature on a temporary basis The computer in the DMZ is not protected from hacker attacks To put a com...

Страница 68: ...d users and if your ISP assigns you multiple IP addresses or you need NAT disabled for an advanced system configuration If you have a single IP address and you turn NAT off the computers on your netwo...

Страница 69: ...ug and Play section of the Utilities page Click Apply to save the change WAN Ping Blocking Computer hackers use what is known as Pinging to find potential victims on the Internet By pinging a specific...

Страница 70: ...elect DDNS to display the screen shown in Figure 59 Figure 59 Dynamic Domain Server DDNS Screen To set up Dynamic DNS 1 Select the Dynamic DNS Enable radio button 2 Select a DDNS Service Provider from...

Страница 71: ...To Configure SNMP 1 In the Community column enter the name of the SNMP communication channel Your SNMP management agent needs to be configured with this name so that it can communicate with your route...

Страница 72: ...ure traps 1 In the IP Address field enter the IP address of the PC to which you want your router to send status messages 2 In the Community field enter the name of the SNMP communication channel to wh...

Страница 73: ...reboot the Router Restarting the Router will not delete any of your configuration settings Click Restart to restart the Router Reset to Factory Default Figure 63 Reset to Factory Default Screen Using...

Страница 74: ...or changed It is recommended that you backup your current configuration before performing a firmware update The Restore Settings option will allow you to restore a previously saved configuration Pleas...

Страница 75: ...he 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 o...

Страница 76: ...l client filtering Select the time zone that you reside in If you reside in an area that observes Daylight Saving then place a checkmark in the box next to Enable Daylight Saving The system clock may...

Страница 77: ...nd check the status of connections to WAN LAN and WLAN interfaces ADSL Status Figure 68 ADSL Status Screen This screen shows modem status and statistics Logs Figure 69 Logs Screen This screen shows an...

Страница 78: ...ATION Click Clear to clear the log note that all current entries will be erased Click Save to save the log to disk in a text file When prompted for a location to save the file to specify a filename an...

Страница 79: ...outer configuration screens check the following Confirm that the physical connection between your computer and the Router is OK and that the LAN Status LEDs on the Router and network adapter are illum...

Страница 80: ...ure that you have entered the correct information into the Router configuration screens as required by your Internet Service Provider Use the Internet Settings screen to verify this Check that the PPP...

Страница 81: ...outer If you have a wired and a wireless NIC in the same computer ensure that the wired NIC is disabled Check the status of the WLAN LED it should be lit if wireless is enabled and will flash when the...

Страница 82: ...n try initiating a search manually if the client software supports this feature or manually set the channel on your wireless computer to correspond to the Router channel number Please refer to your Wi...

Страница 83: ...ill need to reconfigure this computer to obtain an IP address automatically see Obtaining an IP Address Automatically on page 23 3 Restart the computer and re apply power to the Router 4 Using the Web...

Страница 84: ...switches and wireless access points connected to the Router 3Com wireless access points and hubs and switches provide a simple reliable means of expanding your network contact your supplier for more...

Страница 85: ...ice over the network the Router must be correctly configured with the following IP information An IP address A Subnet Mask IP Addresses and Subnet Masks Each device on your network must have a unique...

Страница 86: ...e 192 168 100 identifies the network on which the device resides 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...

Страница 87: ...gets reallocated once you disconnect from the network DHCP will work on any client Operating System such as Windows 95 Windows 98 or Windows NT 4 0 Also using DHCP means that the same IP address and s...

Страница 88: ...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 w...

Страница 89: ...24 18 12 or 6 Mbps Maximum channels 14 Range up to 304 8m 1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 6 12 18 24 36 48 Mbps 85 dBm 54 Mbps 66 dBm typical Modulation CCK BPSK QPSK O...

Страница 90: ...idth 220 mm 8 7 in Depth 133 mm 5 2 in Height 38 mm 1 5 in Weight Approximately 550 g 1 1 lbs Standards Functional ISO 8802 3 IEEE 802 3 IEEE 802 11b 802 11g Safety EN 60950 EMC EN 55022 Class B EN 55...

Страница 91: ...ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix Ethernet Performance The Router complies to the IEEE 802 3i u and x specifications Cable Specifications The Router supports the following cable typ...

Страница 92: ...92 APPENDIX B TECHNICAL SPECIFICATIONS...

Страница 93: ...ARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You c...

Страница 94: ...Sie sich bei den zust ndigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausb...

Страница 95: ...signes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil AVERTISSEMENT La Router fournit et utilise de l nergie radio lectrique ra...

Страница 96: ...moyeu Si vous avez un probl me physique avec le moyeu qui ne peut pas tre r solu avec les actions de la r solution des probl mes dans ce guide contacter votre fournisseur AVERTISSEMENT D branchez l a...

Страница 97: ...NEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees...

Страница 98: ...f liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software Such warranties and limitations...

Страница 99: ...Request If you have trouble registering your product please contact 3Com Global Services for assistance Purchase Value Added Services To enhance response times or extend warranty benefits contact 3Co...

Страница 100: ...uct Support heading at http www 3com com Software Upgrades are the software releases that follow the software version included with your original product In order to access upgrades and related docume...

Страница 101: ...directory of contact information posted on the 3Com web site at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repai...

Страница 102: ...2 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13 3COM 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 Guatem...

Страница 103: ...er wireless clients and which acts as a bridge between wireless clients and a wired network such as Ethernet Wireless clients can be moved anywhere within the coverage area of the access point and sti...

Страница 104: ...bps Category 5 cabling is better to use for network cabling than Category 3 because it supports both Ethernet 10 Mbps and Fast Ethernet 100 Mbps speeds Channel Similar to any radio device the Wireless...

Страница 105: ...d into the router and each of it s wireless clients Ethernet A LAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at...

Страница 106: ...ided into two or three fields a network number and a host number or a network number a subnet number and a host number IP Address Internet Protocol Address A unique identifier for a device attached to...

Страница 107: ...collection of computers and other computer equipment that are connected for the purpose of exchanging information or sharing resources Networks vary in size some are within a single room others span c...

Страница 108: ...as opposed to valid IP address numbers recognized by the Internet which must assigned by InterNIC Subnets A network that is a component of a larger network Switch A device that interconnects several L...

Страница 109: ...though this can affect the overall throughput of data WECA Wireless Ethernet Compatibility Alliance An industry group formed to certify cross vendor interoperability and compatibility of 802 11b and...

Страница 110: ...LAN is a group of computers and devices connected together by wireless in a relatively small area such as a house or office WPA Wi Fi Protected Access A dynamically changing encryption mechanism for w...

Страница 111: ...tled Digital Apparatus ICES 003 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radi...

Страница 112: ...nsult the dealer or an experienced radio television technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Ra...

Страница 113: ...Europe This product complies with the European Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC and the Radio and Telecommunications Terminal Equipm...

Страница 114: ...114...

Страница 115: ...icons About This Guide 8 text About This Guide 8 D DDNS 70 DHCP 87 DHCP Clients List 42 DHCP server 25 42 disabling 26 DMZ Screen 67 DNS 24 DNS Screen 55 DSL mode 29 Dynamic Domain Server DDNS Screen...

Страница 116: ...ng Table Screen 59 S Schedule Rule Screen 65 Setup Wizard 27 SNMP Community Screen 71 SNMP Trap Screen 72 Special Applications Screen 60 Specifications technical 89 SSID 31 32 33 35 36 43 Static Addre...

Страница 117: ......

Страница 118: ...services visit our World Wide Web site at www 3com com All specifications are subject to change without notice Copyright 2004 3Com Corporation All rights reserved 3Com and are registered trademarks of...

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