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Figure 5

Connecting the Cable/DSL Secure Gateway

To use your Cable/DSL Secure Gateway to connect to the Internet
through an external cable or DSL modem (

Figure 5

):

1

Use the supplied cable to connect the Gateway's Ethernet
Cable/DSL port to your Cable/DSL modem. Ensure that your
modem is connected to the Internet and switched on.

2

Connect your computer to one of the 10/100 LAN ports on the
Gateway.

3

Connect the power adaptor to the Gateway and wait for the
Alert LED to stop flashing. Check that the Cable/DSL Status LED
is illuminated.

4

Switch on your computer. Once your computer is ready to use,
check that the LAN Port Status LED on the Gateway is
illuminated.

You have now completed the hardware installation of your
Gateway. You now need to set up your computers so that they
can make use of the Gateway to communicate with the Internet.

Ethernet

Cable/

DSL

5

LAN

Internet

Your existing

Cable/DSL

Modem

OfficeConnect
Cable/DSL
Secure
Gateway

OfficeConnect

Switch

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Summary of Contents for OfficeConnect 3CR856-95

Page 1: ...dua08569 5aaa01 book Page 1 Wednesday March 13 2002 10 39 AM ...

Page 2: ...d on any licensed program or documentation 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 registered in other countries 3Com and OfficeConnect are registered trademarks of 3Com Corporation The 3Com logo is a trademark of 3Com Corporation Intel and Pentium are regist...

Page 3: ... 16 Connecting the Cable DSL Secure Gateway 16 Setting Up Your Computers 19 Obtaining an IP Address Automatically 19 Windows 2000 XP 19 Windows 95 98 ME 20 Macintosh OS 8 5 9 x 20 Disabling PPPoE Client Software 20 Running the Setup Wizard 23 Accessing the Wizard 23 Setting the Password 24 Setting the Time Zone 25 Auto Configuration Settings 25 Internet Settings 26 Choosing your LAN Settings 29 Ac...

Page 4: ...ateway 60 Troubleshooting 61 Basic Connection Checks 61 Browsing to the Gateway Configuration Screens 61 Connecting to the Internet 61 Forgotten Password 62 Alert LED 62 Recovering from Corrupted Software 63 Frequently Asked Questions 63 Using Discovery 65 Running the Discovery Application 65 Windows Installation 95 98 2000 Me NT 65 IP Addressing 67 The Internet Protocol Suite 67 How does a Device...

Page 5: ...chtige Sicherheitshinweise 73 Consignes importantes de sécurité 74 End User Software Licence Agreement 77 3Com Corporation END USER SOFTWARE LICENSE AGREEMENT 77 ISP Information 79 Information Regarding Popular ISPs 79 Glossary 81 Index 87 Regulatory Notices 93 dua08569 5aaa01 book Page 5 Wednesday March 13 2002 10 39 AM ...

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Page 7: ...st conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution 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 Conventions Convention De...

Page 8: ...his e mail address for technical support questions For information about contacting Technical Support please refer to the Support and Safety Information sheet Related Documentation In addition to this guide each OfficeConnect Cable DSL Secure Gateway document set includes one Installation Guide This guide contains the instructions you need to install and configure your Cable DSL Secure Gateway Pro...

Page 9: ...ecure Gateway is designed to provide a cost effective means of sharing a single broadband Internet connection amongst several computers The Gateway also increases your network security by acting as a firewall preventing unauthorised external access to your network and by creating Virtual Private Networks VPNs encrypted links to other private networks The example in Figure 1 shows a network connect...

Page 10: ...ettings DHCP Provides Virtual Server redirection to enable remote access to Web FTP and other services on your network Provides firewall protection against Internet hacker attacks Implements Stateful Packet Inspection to block network intrusions Blocks Denial of Service attacks by using pattern detection Supports Virtual Private Networks VPNs Initiates and terminates IPSec connections Terminates P...

Page 11: ...ontact your retailer Minimum System and Component Requirements Your OfficeConnect Cable DSL Secure Gateway requires that the computer s and components in your network be configured with at least the following A computer with an operating system that supports TCP IP networking protocols for example Windows 95 98 NT Me 2000 Unix Mac OS 8 5 or higher An Ethernet 10 Mbps or 10 100 Mbps NIC for each co...

Page 12: ...er The Gateway will then enter the start up sequence and resume normal operation See Recovering from Corrupted Software on page 63 On for 2 seconds and then off The Gateway has detected and prevented a hacker from attacking your network from the Internet Continuously on A fault has been detected with your Gateway during the start up process See Troubleshooting on page 61 The Alert LED will be on f...

Page 13: ...y Rear Panel 5 Power Adapter socket Only use the power adapter that is supplied with this Gateway Do not use any other adapter 6 Ethernet Cable DSL port Use the supplied patch cable to connect the Gateway to the 10 100 port on your cable or DSL modem This port will automatically adjust for the correct speed duplex and cable type You can connect your Cable DSL modem using either straight through or...

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Page 15: ... Consignes importantes de sécurité avant de mettre en route When positioning your Gateway ensure It is out of direct sunlight and away from sources of heat Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers Water or moisture cannot enter the case of the unit Air flow around the unit and through the ven...

Page 16: ...et located on the back panel of the Gateway refer to Power Adapter socket on page 13 2 Plug the power adapter into a standard electrical wall socket Connecting the Cable DSL Secure Gateway The first step for installing your Cable DSL Secure Gateway is to physically connect it to a cable or DSL modem in order to be able to access the Internet PPPoE User Name PPPoE Password PPPoE Service Name Host N...

Page 17: ...e power adaptor to the Gateway and wait for the Alert LED to stop flashing Check that the Cable DSL Status LED is illuminated 4 Switch on your computer Once your computer is ready to use check that the LAN Port Status LED on the Gateway is illuminated You have now completed the hardware installation of your Gateway You now need to set up your computers so that they can make use of the Gateway to c...

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Page 19: ...am Obtaining an IP Address Automatically Windows 2000 XP If you are using a Windows 2000 or Windows XP computer use the following procedure to change your TCP IP settings Windows XP specific instructions in brackets 1 From the Windows Start Menu select Settings Control Panel select Control Panel directly from the Start menu in Windows XP 2 Double click on Network and Dial Up Connections Network an...

Page 20: ...your TCP IP settings 1 From the desktop select Apple Menu Control Panels and TCP IP 2 In the TCP IP control panel set Connect Via to Ethernet 3 In the TCP IP control panel set Configure to Using DHCP Server 4 Close the TCP IP dialog box and save your changes 5 Restart your computer Disabling PPPoE Client Software If you have PPPoE client software installed on your computer you will need to disable...

Page 21: ... is not required for use with the Gateway Web Proxy Settings 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 on the LAN Settings button at the bottom Make sure that the Use Proxy Server option is unchecked dua08569 5aaa01 book Page 21 Wednesday March 13 2002 10 39 AM ...

Page 22: ...22 dua08569 5aaa01 book Page 22 Wednesday March 13 2002 10 39 AM ...

Page 23: ... location or address box of your browser Figure 9 The default URL for the gateway is http 192 168 1 1 If you have changed the IP address of the unit you should substitute this for the default address within the URL Figure 9 Web Browser Location Field Factory Default The Login screen as shown in Figure 10 should appear in your browser If it does not refer to Troubleshooting on page 61 3 To log in e...

Page 24: ...ard Screen You will now be guided through the setup of your Gateway Click Next to continue Setting the Password When the Change Administration Password screen Figure 13 appears type the Old Password then a new password in both the New Password and Confirm Password The default password for the Gateway is admin It is case sensitive and must be entered as the Old Password the first time you configure...

Page 25: ...utomatically adjust the time seasonally Click Next to continue To set the Gateway to World Time UTC Select GMT Greenwich Mean Time from the drop down menu Ensure that the Enable Daylight Saving box is cleared Click Next to continue Figure 14 Time Zone Screen The Daylight Savings option automatically adjusts the system clock for summer and winter time To disable this feature ensure that the Enable ...

Page 26: ...n options continue at Choosing your LAN Settings on page 29 Internet Settings The Internet Addressing Mode window allows you to set up the Gateway for the type of Internet connection you have Before setting up your Internet connection mode have the modem configuration supplied by your ISP to hand Figure 16 Internet Settings Screen Select the Internet Addressing mode your ISP requires and click Nex...

Page 27: ...therwise leave the box blank 3 Enter your PPP over Ethernet user name in the PPPoE User Name text box 4 Enter your PPP over Ethernet password in the PPPoE Password text box 5 If your ISP requires you to supply a PPPoE service name enter it in the PPPoE Service Name text box otherwise leave the box blank Click Next to continue Continue at Choosing your LAN Settings on page 29 Dynamic IP Address Mod...

Page 28: ... using if the computer you are using now is the one that was previously connected directly to the cable or DSL modem Yes I would like to enter a MAC address manually and manually enter the values for a MAC address if the computer you are using now was not previously connected directly to the cable or DSL modem Otherwise click No Click Next to continue Continue at Choosing your LAN Settings on page...

Page 29: ...se the default IP address and subnet mask unless you already have a network that uses different values 2 Enter your chosen subnet mask in the Subnet Mask field This should be large enough to contain all your computers and other network devices The default 255 255 255 0 allows for 254 devices including the Gateway 3 If you are going to set up an IPSec VPN with another Gateway you must set your subn...

Page 30: ...e DHCP server Click Next when you have finished Viewing the Summary When you complete the Setup Wizard a configuration summary will display See Figure 23 below Verify the configuration information of the Gateway and click Finish to save your settings and restart the Gateway Figure 23 Configuration Summary Screen 3Com recommends that you print the Configuration Summary screen for your records If yo...

Page 31: ...ns the settings you want to change and follow the instructions from that point Your Gateway is now configured You can start using your Gateway straight away or further configure your Gateway see Gateway Configuration on page 33 dua08569 5aaa01 book Page 31 Wednesday March 13 2002 10 39 AM ...

Page 32: ...32 dua08569 5aaa01 book Page 32 Wednesday March 13 2002 10 39 AM ...

Page 33: ... subnet mask information set up DHCP server parameters and display the DHCP client list Internet Settings sets up Internet addressing modes such as PPPoE connection dynamic IP address allocation Network Address Translation NAT and static IP address settings Firewall allows configuration of the Gateway s firewall features Virtual Servers Special Applications PC Privileges and other general security...

Page 34: ...wall or if the LAN and Internet addresses or subnets conflicted Figure 25 Notice Board Screen Changing the Administration Password You should change the password to prevent unauthorized access to the Administration System Figure 26 Password Screen To change the password 1 Enter the current password in the Old Password field 2 Enter the new password in the New Password field 3 Enter the new passwor...

Page 35: ...ation screen allows you to change the TCP IP settings of your Gateway and its DHCP server Figure 28 Unit Configuration Screen Changing the LAN settings These settings will have been entered during the set up wizard when the device is first used You only need to change these if you reconfigure your network If you make any changes click the Apply button to save them to the Gateway When changing the ...

Page 36: ...missions of individual machines on your network then you must use the Gateway s DHCP server to allocate addresses or use static addressing If you use another DHCP server you may get unexpected results See PC Privileges on page 45 To enable the DHCP Server ensure that the Enable check box is ticked To disable the DHCP Server ensure that the Enable check box is cleared Set the IP Pool Start Address ...

Page 37: ...hine by name and by the unique number MAC Address of the machine s network card The Fixed Association check box allows you to freeze the relationship between an IP address and a particular machine If you check the box for one row that IP address will always be given out to the same machine and will not be allocated to another machine even if the lease has expired Clear the check box to allow the a...

Page 38: ... select PPPoE PPP over Ethernet see Configuring a PPPoE connection on page 40 If you are using One to One NAT your method of connection will already be fixed to Static To change to another method of address allocation you must first turn off One to One NAT See Setting up NAT on page 41 Configuring a Static IP Address If your ISP has allocated you one or more static addresses you will have selected...

Page 39: ... the primary server Click the Apply button to save any changes you have made Configuring a Dynamic IP Address If your ISP has allocated you a dynamic address using DHCP you will have selected Dynamic IP address automatically allocated as your IP Allocation Mode Figure 32 Dynamic Address Setup Screen To setup the Gateway for use with a dynamic IP address connection the following settings are config...

Page 40: ...quire you to have a particular MAC address This will be the MAC address of the computer you first used to connect with your ISP Click the Apply button to save any changes you have made Configuring a PPPoE connection If your ISP has allocated you a dynamic address using PPPoE you will have selected PPPoE PPP over Ethernet as your IP Allocation Mode Figure 33 PPPoE Setup Screen Your ISP may need you...

Page 41: ...on Since the Gateway firmware contains its own PPPoE client you no longer need to run PPPoE client software on your computer to access the Internet You can simply start your browser and connect to the Internet immediately after setting up your cable or DSL modem Setting up NAT The Gateway is able to perform Network Address Translation NAT in one of two modes as shown in Figure 34 One to many NAT T...

Page 42: ...Apply button to save your changes Setting up One to One NAT The following criteria must be met to be able to use One to One NAT You must have a static Internet IP address for every computer on your network plus one for the Gateway itself The addresses must be in one continuous block in the same subnet You must have selected Static IP Address as your IP Allocation Mode and have given your Gateway t...

Page 43: ...lications and Advanced These enable you to set the access to and security of your network The Virtual Servers Menu Selecting the Firewall option on the main menu displays the Virtual Servers screen Figure 37 Figure 37 Virtual Servers Screen Creating a Virtual DMZ A virtual DMZ De Militarized Zone Host is a computer on your network with reduced protection provided by the firewall This feature allow...

Page 44: ... network To have more than one server of a type for example more than one web server visible to the Internet you must be using One to One NAT To configure a virtual server 1 Click on the New button on the right side of the screen to open the Virtual Server Settings dialogue box Figure 37 2 Enter the IP address of the computer in the Server IP Address text box 3 Select the Service from the pull dow...

Page 45: ...llows you to assign different access rights for different computers on your network restricting this access and controlling your users access to outside resources To use access control for all computers 1 Click the Control PC Access to the Internet radio button 2 Click on All PCs to setup the access rights for all computers connected to the Gateway 3 Check the box of a service to authorise it Clea...

Page 46: ...fy ports box and set the drop down box to Deny Enter multiple ports as either a comma separated list e g 101 105 107 or as a range e g 101 107 6 Click Apply to save the settings Example Allowing only web and E mail access To allow web and E mail access and block all other services across the Gateway s firewall Ensure that the Control PC Access to the Internet radio button is selected Click on All ...

Page 47: ...r TCP IP connections or 10 for UDP IP connections For each special application configured by the Gateway a row is added to the table Each row contains the following items Delete button Deletes the special application on that row This will prevent the Gateway s firewall from opening to that connection Name Each special application is named This name is not used by the Gateway and is only to enable ...

Page 48: ...n in Figure 45 below Figure 45 Custom Special Applications Setup Screen Application Name Each special application is named This name is not used by the Gateway and is only to enable you to identify the connection Trigger Port This is the TCP IP port number that the Gateway uses to recognise the outgoing packet that starts special application session Your application provider can provide you with t...

Page 49: ...ation Type If your special application provider embeds IP addresses in TCP or UDP packets you will have to enable address translation on the appropriate protocol type Your application provider can provide you with this information When you have configured your special application click the Add button to save your changes or the Close button to quit without making any changes Advanced Select Advanc...

Page 50: ...s or between a network and a user The Gateway supports both network to network connection and network to user connections Your Cable DSL modem and your ISP must support IPSec or PPTP pass through for you to be able to use these protocols The Gateway supports both IPSec tunnels and PPTP connections and allows VPN pass through to enable other secure devices on your network to set up their own secure...

Page 51: ... method Viewing IPSec Connections The IPSec Connections Screen shows information about the IPSec connections made by the Gateway It also allows you to add delete edit and temporarily disable IPSec connections Figure 48 IPSec Connections Screen For each connection made by the Gateway a row is added to the table Each row contains the following items Delete button deletes the IPSec connection on that...

Page 52: ...isting ones When adding or amending values on this screen remember that both sides of an IPSec connection must contain the same information An IPSec connection cannot therefore be activated until both ends of the tunnel have been configured Figure 49 New IPSec Connection Screen The New IPSec Connection screen and the Edit IPSec Connection screen contain the same fields These are Connection Name th...

Page 53: ...emember the Tunnel Shared Key once the tunnel is established and do not have to make the key a memorable password Encryption type choose the encryption type from DES or 3DES 3DES is more secure but may take longer to encrypt and decrypt 3DES is not shipped with the Gateway as standard due to international restrictions on encryption If your country permits its use it can be downloaded from the 3Com...

Page 54: ...ter 192 168 1 0 on Gateway Two 9 Enter a password in the Tunnel Shared Key field in both Gateways The example uses TYP0249 23b as the shared key 10 Choose DES as the Encryption Type 11 Choose Diffie Hellman Group 1 768 bit the in the Exchange keys using drop down box 12 Ensure that the Use Perfect Forward Secrecy box is checked 13 Click the Apply button to save your changes Setting PPTP End Points...

Page 55: ...ers Screen For each connection made by the Gateway a row is added to the table Each row contains the following items Delete button Deletes the PPTP User on that row This will prevent the user from establishing a secure connection with the Gateway in future Name Each user is named This name is used to identify the connection Clicking the name of a connection displays the Edit IPSec screen See Addin...

Page 56: ...e 52 Edit PPTP User Screen The New PPTP User screen and the Edit PPTP User screen contain the same fields These are User Name Each user is named This name is used to identify the connection Description A text description of the user that enables you to identify their account Password The Password that the user will need to supply to connect Click the Add Apply button to save your changes or the Cl...

Page 57: ...ctual location The time zone setting is used by the system clock when displaying the correct time in the log files If you use Daylight saving tick the Enable Daylight savings box and then click Apply Figure 54 Figure 54 Time Zone Screen The Gateway reads the correct time from NTP servers on the Internet and sets its system clock accordingly The Daylight Savings option automatically adjusts the clo...

Page 58: ...t change the password If you want to reset the settings on your Gateway to those that were loaded at the factory click RESET You will lose all your configuration changes The Gateway LAN IP address will revert to 192 168 1 1 and the DHCP server on the LAN will be enabled You may need to reconfigure and restart your computer to re establish communication with the Gateway Upgrading the firmware of yo...

Page 59: ...nd is complete when the Alert LED has stopped flashing and is permanently off Make sure that you do not interrupt power to the Gateway during the upgrade procedure if you do the software may be corrupted and the Gateway may not start up properly afterwards If the Alert LED comes on continuously after a failed upgrade refer to Troubleshooting on page 61 Viewing Status and Logs Selecting Status and ...

Page 60: ...ting Support option on the main menu generates the support links screen which contains a list of Internet links that provide information and support concerning the Gateway Figure 58 Figure 58 Support Screen dua08569 5aaa01 book Page 60 Wednesday March 13 2002 10 39 AM ...

Page 61: ...p Your Computers on page 19 Restart your computer while it is connected to the Gateway to ensure that your computer receives an IP address When entering the address of the Gateway into your web browser ensure that you include the full URL including the http prefix e g http 192 168 1 1 If you cannot browse to the Gateway use the winipcfg utility in Windows 95 98 ME to verify that your computer has ...

Page 62: ...connections whilst this process is taking place so choose a time when this would be convenient 1 Remove power from the Gateway 2 Disconnect all your computers and the cable DSL modem from the Gateway 3 Using an Ethernet cable connect the Ethernet Cable DSL port on the rear of the Gateway to any one of the LAN ports 4 Re apply power to the Gateway The Alert LED will flash as the Gateway starts up a...

Page 63: ...of your computers has a copy of the new software image file stored on its hard disk or available on CD ROM 1 Remove power from the Gateway and disconnect the Cable DSL modem and all your computers except for the one computer with the software image 2 You will need to reconfigure this computer with the following static IP address information IP address 192 168 1 2 Subnet mask 255 255 255 0 Default ...

Page 64: ...nnections Terminating PPTP connections Providing hardware accelerated encryption for IPSec VPNs Providing VPN pass through Where can I download software upgrades for the Gateway Upgrades to the Cable DSL Secure Gateway software are posted on the 3Com support web site accessible by visiting www 3com com Upgrades are also available via FTP from ftp 3com com What other online resources are there The ...

Page 65: ...on your computer A menu will appear select Gateway Discovery Discovery will find the Gateway even if it is unconfigured or misconfigured Figure 59 Discovery Welcome Screen 2 When the Welcome screen is displayed click on Next and wait until the application discovers the Gateways connected to your LAN Figure 60 Discovered Gateway In Figure 60 the serial number of the unit has been replaced with xxxx...

Page 66: ...een Highlight the Cable DSL Secure Gateway by clicking on it and press Next Figure 61 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Gateway dua08569 5aaa01 book Page 66 Wednesday March 13 2002 10 39 AM ...

Page 67: ...ivided into smaller sub networks and a subnet mask is a number that enables a device to identify the sub network to which it is connected For your network to work correctly all devices on the network must have The same sub network address The same subnet mask The only value that will be different is the specific host device number This value must always be unique An example IP address is 192 168 1...

Page 68: ...sk which 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 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 ...

Page 69: ...e Windows 98 operating system and is also supported in Windows 2000 Private IP Addresses The following address ranges have been reserved by the Internet Engineering Task Force IETF for private use 10 0 0 0 10 255 255 255 172 16 0 0 172 31 255 255 192 168 0 0 192 168 255 255 The Gateway has a default subnet of 192 168 1 0 192 168 1 255 3Com recommends that you use this subnet for the LAN addresses ...

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Page 71: ...m 1 4 in Weight Approximately 537 g 1 18 lbs Standards Functional ISO 8802 3 IEEE 802 3 Safety UL 60950 EN 60950 CSA 22 2 60950 IEC 60950 EMC EN 55022 Class B EN 55024 AS NZS 3548 B FCC Part 15 Class B ICES 003 Class B VCCI Class B CNS 13438 Class A Environmental EN 60068 IEC 68 Category 5 screened cables must be used to ensure compliance with the Class B requirements of this standard The use of u...

Page 72: ...ateway complies to the IEEE 802 3i u and x specifications Cable Specifications The Cable DSL Secure Gateway supports the following cable types and maximum lengths Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types Maximum cable length of 100m 327 86 ft Category 5 cables are required for a 100BASE TX connection dua08569 5aaa01 boo...

Page 73: ...r SELV conditions WARNING There are no user replaceable fuses or user serviceable parts inside the Gateway If you have a physical problem with the unit that cannot be solved with problem solving actions in this guide contact your supplier WARNING Disconnect the power adapter before moving the unit WARNING RJ 45 ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets On...

Page 74: ...dürfen nur RJ 45 Datenstecker angeschlossen werden Consignes importantes de sécurité AVERTISSEMENT Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil AVERTISSEMENT ...

Page 75: ... 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 pas les utiliser comme prise de téléphone Branchez uniquement des connecteurs de données RJ 45 sur ces prises fem...

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Page 77: ... Except as set forth above you may not assign or transfer your rights under this Agreement Modification reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Union EU resident information necessary to achieve interoperability of the Software with other programs within the meaning of the EU Directive on the Legal Protection of Com...

Page 78: ...lid 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 Agreement sets forth the entire understanding and agreement between you and 3Com and supersedes all prior agreements...

Page 79: ...at your ISP provided to you in the PPPoE page of the router Leave the service name blank unless your ISP requires it Bell Century Tel Citizens Primus Prodigy Snet Sprint FC Verizon First World Brightnet Earthlink Ameritech Covad Mindspring Sympatico DSL USwest Qwest SNet Internet Connection Types Characteristics Popular ISPs Static DSL DSL Modem always on Need to enter ALL IP information from ISP ...

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Page 81: ... Mbps the bandwidth of Fast Ethernet is 100 Mbps Category 3 Cables One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 3 is voice grade cable and can only be used in Ethernet networks 10BASE T to transmit data at speeds of up to 10 Mbps Category 5 Cables One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 5 can be used i...

Page 82: ...0 Mbps over a variety of cables Ethernet Address See MAC address Fast Ethernet An Ethernet system that is designed to operate at 100 Mbps Firewall Electronic protection that prevents anyone outside of your network from seeing your files or damaging your computers Full Duplex A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput ...

Page 83: ... Internet Service Provider An ISP is a business that provides connectivity to the Internet for individuals and other businesses or organizations LAN Local Area Network A network of end stations such as PCs printers servers and network devices hubs and switches that cover a relatively small geographic area usually not larger than a floor or building LANs are characterized by high transmission speed...

Page 84: ...Address An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple physical networks Subnet mask A subnet mask which may be a part of the TCP IP information provided by your ISP is a set of four numbers configured like an IP address It is used to create IP address numbers used only within a particular network as opposed to valid IP address numbers r...

Page 85: ...network infrastructure such as the Internet The data is kept private by using encryption WAN Wide Area Network A network that connects computers located in geographically separate areas for example different buildings cities or countries The Internet is an example of a wide area network Wizard A Windows application that automates a procedure such as installation or configuration dua08569 5aaa01 bo...

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Page 87: ... 16 cable DSL status LED 13 category 3 cables 81 category 5 cables 81 changing the admin password 34 client 81 configuring computers 19 configuring PPTP 54 configuring the Gateway 33 configuring VPN 50 connecting the cable DSL modem 16 connecting to the Internet 37 Consignes importantes de sécurité 74 creating a virtual server 44 CSA statement 93 D data encryption standard 81 daylight saving 57 DE...

Page 88: ... Ethernet 82 FCC statement 93 feedback 8 finding the Gateway 65 firewall 9 defined 82 disabling 50 settings 43 firmware upgrading 58 front panel diagram 12 full duplex 82 G Gateway changing the password 34 connecting the cable DSL modem 16 defined 82 firewall 9 installation information 15 positioning 15 powering up 16 restarting 56 Gateway congifuration 33 Gateway to Gateway connection 53 getting ...

Page 89: ...configuration 58 local area network 83 login screen 23 logs viewing 59 M MAC address 83 Macintosh OS 8 5 9 x setting up 20 main menu accessing 33 media access control 83 multiple hosts 48 N NAT configuring 41 defined 83 network address remote 53 network address translation 41 83 network defined 83 network interface card defined 84 NIC defined 84 notice board 34 NTP server 57 O one to many NAT conf...

Page 90: ... settings 16 recording static address settings 16 registration 8 remote IPSec server address IPSec server address 53 remote network address 53 restarting the Gateway 56 restoring Gateway configuration 58 RJ 45 defined 84 S safety information 73 sample network diagram 9 saving Gateway configuration 58 server defined 84 session chaining 49 setting up Macintosh OS 8 5 9 x 20 Windows 2000 XP 19 Window...

Page 91: ...CCI statement 93 viewing status and logs 59 virtual DMZ 43 virtual private network 85 virtual servers 43 creating 44 VPN configuing 50 defined 85 example 53 VPN mode 50 W WAN See wide area network web proxies disabling 21 Wichtige Sicherheitshinweise 73 wide area network 85 Windows 2000 XP setting up 19 Windows 95 98 ME setting up 20 wizard auto configuration 25 defined 85 DHCP 29 Internet setting...

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Page 93: ...na Relocate the equipment with respect to the receiver Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits Consult 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 Reso...

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Page 96: ...DUA08569 5AAA01 Published April 2002 dua08569 5aaa01 book Page 96 Wednesday March 13 2002 10 39 AM ...

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