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5 Advanced Features and System Tools

Advanced Settings

Advanced settings include NAT (Network Address Translation), firewall 
monitoring and logging, DHCP, and access control (client privileges). 3com 
recommends that you keep the default values for the NAT, firewall monitoring 
and logging, and DHCP settings.

NAT (Network Address Translation)

The NAT feature allows you to access the Internet from any computer on your 
home network without having to purchase more IP addresses from your ISP.

Selecting 

NAT 

from the 

Advanced Settings

 portion of the Options menu in the 

Setup

 screen displays the 

Advanced Settings | NAT

 screen (Figure 16).

By selecting 

YES

 (default), all the computers on your home network can share 

one IP address.

If you select 

NO

, your gateway will not be able to automatically connect to the 

network and the Internet, requiring you to manually enter additional IP 
addresses. If NAT is turned off, you should have a NAT server on your network.

Figure 16   

Advanced Settings | NAT

 Screen

Содержание 3CRWE50194 - Home Wireless Gateway

Страница 1: ...HomeConnect Home Wireless Gateway 3CRWE50194 Home Network Management Solution http www 3com com http www 3com com productreg Part No 09 2015 000 Published October 2000 User Guide ...

Страница 2: ...copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software ...

Страница 3: ...Attaching the Non skid Feet 12 Connecting the Wireless Gateway to the Internet 12 External Cable and DSL Modem Connections 12 Connecting the Wireless Gateway to Your Network 13 Installing Adapters for Wireless and Wired Connections 14 Powering Up the Gateway 15 Setting Up Computers for Wireless Networking 15 Windows 15 Macintosh 16 Setting Up Computers for Ethernet Networking 16 Windows 17 Macinto...

Страница 4: ...Setting Client Privileges 33 To assign client privileges 34 Special Considerations for Advanced Settings 35 Tools 35 System Test 35 Security Log 35 Reset Home Wireless Gateway 36 Restore Factory Settings 36 Update Firmware 36 6 Troubleshooting Home Wireless Gateway 39 Cable or DSL Modem 39 Wireless Network 39 Ethernet Networks 39 3Com KnowledgeBase 40 A Technical Support Online Technical Services ...

Страница 5: ...Contents Index Warranty and Regulatory Compliance ...

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Страница 7: ... the Gateway 13 8 Connecting the Gateway to an Ethernet Network 15 9 Web Browser Location Field 19 10 Home Network Gateway Main Screen 20 11 Setup Screen 22 12 Cable DSL Setup Standard Screen Top Portion 24 13 Cable DSL Setup Standard Screen Bottom Portion 25 14 Cable DSL Setup Advenced Screen 26 15 Status Page 29 16 Advanced Settings NAT Screen 30 17 Advanced Settings Firewall Screen 31 18 Advanc...

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Страница 9: ...d and wireless connections HomeConnect Wireless Gateway The HomeConnect Wireless Gateway is designed to provide effective and transparent management of both your home computer network as well as your connection to the Internet with the convenience of a wireless connection The gateway also provides protection in the form of an electronic firewall preventing anyone outside of your network from seein...

Страница 10: ... always on computer serving as your Internet connection Cross platform operation for compatibility with Windows and Macintosh computers Easy access to corporate networks Easy to use Web based setup and configuration Use wireless systems from work school or home Firewall Technology Your wireless gateway also provides your home network with always on fully integrated firewall technology The preconfi...

Страница 11: ...of packet memory allocation overflow The firewall blocks illegal ping packets that are longer than the specification IP with zero length The first fragment of an IP packet is not always required to have an offset value of zero By manipulating the more fragments bit and sending decoy packets the hacker can cause the target system to assemble malicious packets The firewall can block this kind of att...

Страница 12: ...sts containing fake return addresses The system cannot complete these requests and is overloaded by this denial of service attack Kit Contents The Home Wireless Gateway kit includes the following items Figure 3 HomeConnect Wireless Gateway Power adapter with plug adapters 3 Nonskid feet 4 Ethernet cable Category 5 Installation map User guide Registration card If any of these items are missing or d...

Страница 13: ... 100 Mbps NIC purchased separately for each wired computer to be connected to the three port switch on your home wireless gateway A cable modem or DSL modem with an Ethernet port RJ 45 connector Active Internet access account Web browser program such as Netscape 3 0 or higher or Internet Explorer 4 0 or higher Where Do I Go Next The rest of this user guide contains detailed information about your ...

Страница 14: ...uch as setting up client privileges and performing firmware updates Chapter 6 Troubleshooting provides troubleshooting tips Appendix A Technical Support provides information on how to contact 3Com for technical support Glossary which provides definitions for key terms concerning the installation and operation of the gateway ...

Страница 15: ...teway front panel indicator lights LEDs A description of the rear panel connectors Front Panel The front panel of the gateway contains a series of indicator lights LEDs that help describe the state of various networking and connection operations Figure 5 Home Wireless Gateway Front Panel Power Wireless WAN HomeConnect Home Wireless Gateway LAN Power Wireless WAN HomeConnect Home Wireless Gateway L...

Страница 16: ...connection When on the WAN light indicates that the gateway is connected to the Internet through your external cable or DSL modem When the WAN light is off the gateway does not have an active connection to the Internet Wireless This light displays the state of your wireless connection If the light is blinking rapidly a connection is established with an associated wireless client If the light is bl...

Страница 17: ...oft reset keeps your gateway settings To perform a soft reset push the reset button once A hard reset returns your gateway settings to their factory default state To perform a hard reset push and hold the reset button for 3 seconds Cable DSL The Cable DSL port identified by a dark blue border accepts an RJ 45 connector to connect your gateway to the Internet See External Cable and DSL Modem Connec...

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Страница 19: ...eless Gateway to your home network you can combine both wireless and wired networking Your wireless gateway uses radio signals to transmit and receive data without wires You can communicate with the network by establishing radio links between your computer s and the gateway To do so every computer you want to use for a wireless connection must be equipped with a wireless network interface card NIC...

Страница 20: ...ing of the front panel LED indicator lights and access to the rear panel connectors if necessary Attaching the Non skid Feet 1 Detach one of the four non skid feet from the paper backing 2 Apply the foot to one of the four bottom corners of the gateway each corner is marked with a small arc symbol to note the proper location of the foot 3 Repeat steps 1 and 2 for the remaining three non skid feet ...

Страница 21: ...ls that came with your modem for more details 3 Connect the cable or DSL modem to the Internet Connect the modem to the cable or DSL connector Refer to the documentation that came with your modem for more details 4 Proceed to Connecting the Wireless Gateway to Your Network Connecting the Wireless Gateway to Your Network The next step for setting up your gateway is to configure one or more computer...

Страница 22: ...d NIC for each computer that will connect to the gateway through your Ethernet wired network Ethernet network interface cards such as the 3Com HomeConnect Ethernet Network Adapter can be purchased at your local electronics retailer Follow the instructions that come with the card to install it into your computer Up to three computers can be directly connected to the gateway using the three LAN port...

Страница 23: ...ic procedures are given below for setting up Windows based and Macintosh based computers for wireless communication with the gateway Refer to the documentation that comes with your wireless network interface card for more details about setting up your desktop or notebook computer for a wireless connection Windows If you are using a Windows based computer use the following procedure to change your ...

Страница 24: ...g the up or down arrows From the list select Ethernet 3 In the TCP IP control panel set Configure to Using DHCP Server The Configure drop down list operates in the same way as the Connect Via list 4 Close the TCP IP dialog box and save your changes 5 Set the ESSID also called the Wireless LAN Service Area for each computer according to the instructions provided with the wireless PC card you have i...

Страница 25: ...n IP address automatically 5 Click OK and OK again 6 Restart your computer Macintosh If you are using a Macintosh computer use the following procedure to change your TCP IP settings 1 From the desktop select Apple Menu Control Panels and TCP IP 2 In the TCP IP control panel set Connect Via to Ethernet The Connect Via drop down list is generated by clicking the up or down arrows From the list selec...

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Страница 27: ...teway is connected to the Internet through a cable or DSL modem when it is powered up it will automatically attempt to collect networking setup information from your Internet Service Provider ISP 4 Type the following Internet Protocol IP address in the location or address field of your browser 192 168 2 1 Figure 9 Figure 9 Web Browser Location Field 5 Press Enter on the keyboard of your computer T...

Страница 28: ...in menu which consists of four topics Setup Status Tools and Help that page will appear Options Menu On some of the screens of the setup program Figure 11 for example a grey menu will appear near the upper left corner containing a list of options pertaining to the main menu topic screen Selecting one of the options in this menu generates a screen pertaining to the option you chose NOTE Be sure to ...

Страница 29: ...to have the new settings take effect Setting Up Your Home Wireless Gateway This section describes how to set up your home wireless gateway for access to the Internet and for wireless communication If desired you can set up the gateway for wireless communication within your home network without connecting to the Internet Starting the Setup Procedure 1 If you have not yet done so connect the gateway...

Страница 30: ...dure then proceed directly to the Setting Up Your Gateway for Wireless Communication procedure in this chapter If your Web browser fails to gain access to the Internet complete the rest of this procedure then proceed to Setting Up Your Gateway for an Internet Connection if an Internet connection is desired Otherwise proceed directly to the Setting Up Your Gateway for Wireless Communication procedu...

Страница 31: ...etup procedure proceed to Setting Up Your Gateway for an Internet Connection Otherwise proceed to Setting Up Your Gateway for Wireless Communication for wireless setup procedures Setting Up Your Gateway for an Internet Connection If you want to set up your Home Wireless Gateway for use with your external cable or DSL modem so that you can access the Internet you will need modem setting information...

Страница 32: ... IP address subnet mask address and ISP gateway address in the appropriate text boxes Each address will be made up of 4 groups of numbers separated by periods Enter each number group in a separate text box For instance if your IP address is 222 11 123 100 enter 222 in the first IP address text box 11 in the second and so on If your ISP has given you a DNS Domain Name Server address select Yes unde...

Страница 33: ...enter PPPoE information Your ISP may need you to enter host name or PPPoE Point to Point Protocol over Ethernet settings Select Advanced below Cable DSL on the Options menu to display the Cable DSL Setup Advanced screen Fill in the information in the appropriate text box When you are finished click Enter ...

Страница 34: ... protected by a firewall which will safeguard your computer and any other computers networked to the gateway from any damaging hacker attacks NOTE Since the gateway firmware contains its own PPPoE client proxy you no longer need to run PPPoE client software from your ISP to access the Internet You can simply start your browser and surf the Internet immediately after setting up your cable or DSL mo...

Страница 35: ...a ID also called the ESSID The default ID on the unit is 101 4 Click Enter to go to the Wireless Setup Encryption screen 5 If for security reasons you wish to use encryption to transmit your data securely over your wireless network use one of the following two methods to set up encryption Select YES generate encryption keys automatically to allow the Home Wireless Gateway to automatically generate...

Страница 36: ...home wireless gateway is ready to use NOTE A hexadecimal digit is a number or letter in the range 0 9 or A F for example 3C 42 BE D7 5A NOTE If you decide to use encryption you will need to have the corresponding keys configured identically on each of your wireless clients otherwise the clients will not be able to connect to the Home Wireless Gateway NOTE Encryption is for securing data transmitte...

Страница 37: ...home network and Internet connection Flashing arrows signify that the connection is operating Broken arrows such as the Wireless AP arrow in Figure 15 signify that a connection is not being used or is not functioning correctly Figure 15 Status Page The left side of the Status screen contains text describing your Internet network and gateway connections NOTE 3com recommends that you use the default...

Страница 38: ... any computer on your home network without having to purchase more IP addresses from your ISP Selecting NAT from the Advanced Settings portion of the Options menu in the Setup screen displays the Advanced Settings NAT screen Figure 16 By selecting YES default all the computers on your home network can share one IP address If you select NO your gateway will not be able to automatically connect to t...

Страница 39: ...lecting Firewall from the Advanced Settings portion of the Options menu in the Setup screen displays the Advanced Settings Firewall screen Figure 17 By selecting YES default you enable the firewall s monitoring and logging features If you select NO the monitoring and logging features are disabled however the firewall remains active Figure 17 Advanced Settings Firewall Screen NOTE If you have an ex...

Страница 40: ...creen displays the Advanced Settings DHCP Server screen Figure 18 By selecting YES default you turn on the gateway s DHCP server enabling it to automatically configure the TCP IP settings of all the computers on your home network If you select NO your gateway will not be able to automatically assign IP addresses to the computers on your network You should not select NO unless you have a router on ...

Страница 41: ...rnet during a period of time in which you cannot monitor its use When you assign client privileges you can instruct the gateway to block Internet access to any computer on your home network You can also limit other Internet services such as e mail Telnet and File Transfer Protocol FTP Selecting Client Privileges from the Advanced Settings portion of the Options menu in the Setup screen displays th...

Страница 42: ...wn menus 4 Click Save 5 Set the IP address on the computer Now that the gateway knows which services to block and when to block them you must set up the computer on which you intend to block the services On the selected computer go to the IP address dialog box Windows select Start Settings Control Panel Network TCP IP and Properties to get to the IP address dialog box Macintosh select Apple Menu C...

Страница 43: ...network Tools Choosing Tools from the Main menu displays the Tools screen within your browser window There are five options to select from System Test Security Log Reset Home Wireless Gateway Restore Factory Settings and Upgrade Firmware System Test Choosing this option displays the System Test screen Clicking Test on this screen puts the gateway through a thorough system test You should perform a...

Страница 44: ...ay to perform its many operations This firmware is updated on a regular basis and is available for you to download 1 Note the current firmware version and date on the Update Firmware screen 2 Click Click here for upgrade on 3Com website This will take you to the 3Com support web site 3 Choose your product name and check the latest firmware If the firmware on the 3Com Web site has the same version ...

Страница 45: ...ce you have located the file click Start to update your firmware The setup program will notify you when the upgrade has finished During the update the Power LED will flicker CAUTION Do not turn off the gateway while the firmware is being updated ...

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Страница 47: ...nnected Verify that the cable or DSL line is connected Reboot your modem If your ISP does not support automatically assigned networking settings then enter your setting information into the setup program Refer to Setting Up Your Gateway for an Internet Connection on page 23 Wireless Network Ensure that the TCP IP and wireless settings for all devices are correct see Setting Up Computers for Wirele...

Страница 48: ...as either Microsoft Windows 95 or higher or Mac OS 8 5 or higher 3Com KnowledgeBase If none of the above information has resolved the problem with your gateway please search the online 3Com KnowledgeBase at http knowledgebase 3com com Refer to Appendix A Technical Support for additional information about how to contact 3Com Technical Support ...

Страница 49: ...site This service is available 24 hours a day 7 days a week To connect to the 3Com FTP site enter the following information into your FTP client Hostname ftp 3com com or 192 156 136 12 Username anonymous Password your Internet e mail address Support from Your Network Supplier If additional assistance is required contact your network supplier Many suppliers are authorized 3Com service partners who ...

Страница 50: ...er A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable Below is a list of worldwide technical telephone support numbers Country Telephone Number Country Telephone Number Asia Pacific Rim Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan Philippines 1 800 678 515 800 933 486 61 2 99...

Страница 51: ...oland Portugal Singapore South Africa South Korea Spain Sweden Switzerland Taiwan R O C Thailand U K 0800 446 398 800 11376 10 800 61 00137 1235 61 266 2602 0800 3111206 0800 831416 800 616 1463 0800 995014 00798 611 2230 900 983125 020 795482 0800 55 3072 0080 611 261 001 800 611 2000 0800 966197 Latin America Argentina Brazil Chile Colombia AT T 800 666 5065 0800 13 3266 0800 13 3266 98012 2127 ...

Страница 52: ...n 2 and then option 2 Australia Austria Belgium Denmark Finland France Germany Hong Kong Hungary Indonesia Ireland Israel Italy Malaysia Netherlands New Zealand Norway P R of China Phillipines Poland Portugal South Africa South Korea Spain Sweden Switzerland Taiwan R O C Thailand U K 1800 678 515 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0130 821502 800 933 486 06800 12813 001 80061...

Страница 53: ...ess client radio traffic and forwarding wireless client messages to the Ethernet LAN Channel Similar to any radio device the home wireless gateway allows you to choose different radio channels in the wireless spectrum A channel is a particular frequency within the 2 4 GHz spectrum within which the gateway operates Client The term used to described the desktop or mobile PC that is connected to your...

Страница 54: ...ay and each of its wireless clients see also Wireless LAN Service Area Ethernet A standard for computer networks Ethernet networks that are connected by special cables and hubs move data around at up to 100 million bits per second Mbps Firewall Electronic protection that prevents anyone outside of your network from seeing your files or damaging your computers Gateway A device that acts as a centra...

Страница 55: ...ands for media access control A MAC address is the hardware address of a device connected to a network NAT Network Address Translation NAT enables all the computers on your home network to share one IP address The NAT capability of the gateway allows you to access the Internet from any computer on your home network without having to purchase more IP addresses from your ISP PC Card A network interf...

Страница 56: ...ngs cities or countries The Internet is an example of a wide area network WECA Wireless Ethernet Compatibility Alliance An industry group formed to certify cross vendor interoperability and compatibility of IEEE 802 11b wireless networking products and to promote that standard for enterprise small business and home environments see also 802 11b Wireless Client The term used to described the deskto...

Страница 57: ... mail 34 Encryption 46 ESSID 27 46 Ethernet 46 cable 13 cables 11 connecting to gateway 14 connections 13 network adapter 14 networking 11 16 troubleshooting 39 Ethernet cable 4 13 14 Ethernet connectors 9 F Features front panel LEDs 7 power adapter port 9 rear panel connectors 8 reset button 9 Firewall 1 2 26 46 hacker attacks defended against 3 turning on or off 31 Firmware troubleshooting 39 up...

Страница 58: ...s menu 20 P Password changing 23 PC card 47 Ports Cable DSL 9 13 Ethernet 9 power adapter 9 Power adapter 4 15 Power adapter socket 15 PPPoE 25 47 R Rear panel 5 Cable DSL connector 9 Ethernet connectors 9 reset button 9 Rear panel connectors 8 Requirements system and component 5 Reset button 9 Reset gateway screen 36 Restore factory settings 36 Returning products for repair 44 S Security log 35 S...

Страница 59: ...9 wireless network 39 U Update firmware 36 URL 41 W WAN 48 Web browser 5 accessing the setup program 19 location field 19 Status screen 29 WECA 48 Windows 15 17 2000 5 95 5 39 40 98 5 Wireless network adapter 14 Wireless client 48 Wireless gateway Connecting to Ethernet 14 Wireless LAN Service Area see ESSID 27 48 Wireless network troubleshooting 39 Wireless network adapter 5 Wireless networking s...

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Страница 61: ...for a period of ninety 90 days from the date of purchase from 3Com or its authorized reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defecti...

Страница 62: ... later than thirty 30 days after the date of purchase and this is verified by 3Com it will be considered dead or defective on arrival DOA and a replacement shall be provided by advance replacement but only if Customer provides a purchase order number credit card number or other method of payment acceptable to 3Com to be used if 3Com needs to charge Customer for the replacement as explained below T...

Страница 63: ... the United Nations Convention on Contracts for the International Sale of Goods 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95054 408 326 5000 January 3 2000 Regulatory Compliance Information RADIO FREQUENCY INTERFERENCE REQUIREMENTS This device has been tested and found to comply with the limits for a Class B digital device as applicable pursuant to Part 15 of the Federal Communications C...

Страница 64: ...ce Use INDUSTRY CANADA CLASS B EMISSION COMPLIANCE STATEMENT This Class B digital apparatus complies with Canadian ICES 003 AVIS DE CONFORMITÉ À LA RÉGLEMENTATION D INDUSTRIE CANADA Cet appareil numérique de la classe B est conforme à la norme NMB 003 du Canada EUROPEAN COMMUNITY REGULATORY COMPLIANCE STATEMENT This device complies with the requirements of European Directive 1999 5 EC JAPAN ...

Страница 65: ...Connecttm Home Wireless Gateway Date 10 October 2000 Name Home Wireless Gateway Model Number 3CRWE50194 Equipment Type 802 11b WLAN Complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ...

Страница 66: ...ability of the Software with other programs within the meaning of the EC Directive on the Legal Protection of Computer Programs is available to you from 3Com upon written request EXPORT RESTRICTIONS You agree that you will not export or re export the Software or accompanying documentation or any copies thereof or any products utilizing the Software or such documentation in violation of any applica...

Страница 67: ...ent any provision of this License Agreement is found to be invalid illegal or unenforceable the validity legality and enforceability of any of the remaining provisions shall not in any way be affected or impaired and a valid legal and enforceable provision of similar intent and economic impact shall be substituted therefor ENTIRE AGREEMENT This License Agreement sets forth the entire understanding...

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