StarTech.com BR4100DC manuale d’uso

4 Port 10/100 Mbits/sec DSL/Cable router BR4100DC Instruction Guide The Professionals’ Source For Hard-to-Find Computer Parts B R O A D B A N D R O U T E R * Actual product may vary from photo[...]

FCC COMPLIANCE ST A TEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide r easonable protection against harmful interfer ence in a r esidential installation. This equipment generates, uses and can radiate radio frequency ene[...]

1 T able of Contents Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Before Y ou Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

2 Chapter 5: T ools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Configuration T ools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

3 Chapter 1: Introduction Thank you for purchasing a StarT ech.com four-port Ethernet br oadband router . Now you can configure multiple users to shar e one high-speed xDSL or cable Internet connection. W ith 20 Mbits/sec LAN-to-W AN throughput and the ability to add hubs or switches to expand your network, this router is ideal for small or home of[...]

4 Contents This package should contain: • 1 x four-port Ethernet br oadband router unit • 1 x straight-through UTP cable • 1 x power adapter • W all-mount accessories Router Basics Back Panel The back panel is divided into three sections: LAN, W AN, and Reset. • The four Local Area Network (LAN) ports ar e wher e you connect your LAN comp[...]

5 The Front Panel The front panel LEDs ar e your best indication of the router ’s activities. LED Status Description PWR On Router has power Off Router has no power W AN 10/100M On W AN port is connected at 100Mbits/sec Off W AN port is connected at 10Mbits/sec W AN LNK/ACT On W AN port is connected Off W AN port has no connection Flashing W AN p[...]

6 Getting Star te d NOTE: The information in the following section as well as the information in Chapter 2: Quick Setup is covered on the Quick Installation Guide that accompanies this manual. If you have already performed the steps in the Quick Installation Guide, you can pr oceed to Chapter 3: General Settings. Setting Up Y our LAN 1. Make sure a[...]

7 Configuring Y our PCs Each of your LAN PC clients must be set up to obtain IP addresses automatically . If you are running an OS that is dif fer ent than those listed below , please consult your OS manufacturer for details. W indows XP a. From your Contr ol Panel, double-click the Network Connections icon. b. Right-click on “Local Area Connecti[...]

8 f. Check each of the tabs and verify the following settings: • Bindings: Check “Client for Microsoft Networks” and “File and printer sharing for Microsoft Networks” • Gateway: All fields ar e blank • DNS Configuration: Select “Disable DNS” • WINS Configuration: Select “Disable WINS Resolution” • IP Address: Select “Obt[...]

9 Accessing the Router Home Page Once your PCs have been properly configur ed, the router ’s DHCP server will automatically provide your LAN clients with an IP addr ess. NOTE: Please make sure that the DHCP server on the router is the only DHCP server available on your LAN. If necessary , you can turn off the r outer ’s DHCP server . See LAN on[...]

10 Navigate the Router Management Interface T o leave the router ’s web-based management interface, use the Logout button at the top right of the screen. Y ou can also use this shortcut bar to move between pages when configuring the router . When applicable, you can click on the question icon that appears to the right of the page heading for a fu[...]

11 Chapter 2: Quick Setup The Quick Setup feature will allow you to start sharing your Internet connection as quickly as possible. Advanced features such as passwor ds or fir ewalls can not be configured thr ough Quick Setup. BEFORE YOU BEGIN : Make sure that you know what type of Internet connection your ISP uses: Cable Modem, Fixed-IP xDSL, Point[...]

12 Broadband T ype The Broadband T ype page requir es you to select the method your ISP uses to connect you to the Internet. For tips on where to find the information r equired by the r outer , see Appendix A. If you are unsure of what type of connection you are using or of where to find any of the information required by the router , contact your [...]

13 Cable Modem If you are using a cable modem, your ISP will automatically provide you with an IP address. Some ISPs may r equire that you fill in additional information, such as the Host Name and MAC Address. If your ISP does not requir e this information, click OK to complete the configuration. When you are satisfied with your IP address settings[...]

14 Fixed-IP xDSL If you are using a Fixed-IP xDSL connection, your ISP has provided you with a specific IP addr ess for you to use. Y our ISP can pr ovide all the information r equired in this section. When you are satisfied with your IP address settings, click the OK button. Congratulations! Y ou have completed the basic router configuration requi[...]

15 PPPoE If your ISP uses the Point-to-Point over Ethernet (PPPoE) pr otocol to connect you to the Internet, you will be requir ed to fill in the information below . When you are satisfied with your IP address settings, click the OK button. Congratulations! Y ou have completed the basic router configuration requir ed for a PPPoE connection. Y ou wi[...]

16 PPTP If your ISP uses the Point-to-Point T unneling Protocol (PPTP) to connect to the Internet, you will be requir ed to fill in the information below . When you are satisfied with your IP address settings, click the OK button. Congratulations! Y ou have completed the basic router configuration requir ed for a PPTP connection. Y ou will be taken[...]

17 Chapter 3: General Settings The General Setup section contains advanced features that allow you to configur e your router to meet your network’s needs. Fr om here you can: assign passwor ds, set up remote management access, configur e your LAN and W AN settings, or set up a firewall, DMZ, or many other functions. Remember , if you have already[...]

18 System The system screen allows you to specify a time zone, change the system passwor d, and specify a remote management user for the r outer . T ime Zone The time zone screen lets you specify the time zone you ar e in, as well as choose if and when you want daylight savings enabled. T o change the time zone, follow the procedure outlined in Qui[...]

19 Password Settings The Password Settings scr een allows you to change the password r equir ed to access the broadband r outer ’s web-based management interface. By default, there is no passwor d. It is recommended that you assign a passwor d as soon as possible. When you are satisfied with your passwor d settings, click Apply . Parameter Descri[...]

20 Remote Management The remote management function allows you to designate an Internet host who can access and configure the br oadband router fr om a r emote location. NOTE: T o access the web-based management interface from a remote site, enter the router ’s W AN IP addr ess followed by port number 8080 (i.e., 192.168.2.1:8080). The remote use[...]

21 WA N Most of the W AN settings are identical to the Broadband T ype selection process you went through in the Quick Setup W izard. Y ou also have the option of choosing your DNS server or setting the router to bridge mode. T o change your W AN connection to Cable Modem, PPPoE, PPTP , or Fixed-IP xDSL, turn to Broadband T ype on page 12 .[...]

22 DNS If there is a Domain Name System (DNS) server that you would pr efer to use instead of the DNS server provided by your ISP , you can specify it here. When you are satisfied with your DNS settings, click Apply . Parameter Description Domain Name Server (DNS) Enter the IP addr ess of the DNS server you wish to Address use. The default is your [...]

23 Bridge From this scr een you can set your broadband r outer to bridge mode and assign an IP address for management purposes. When bridge mode is selected, the r outer essentially connects and enables packet forwarding between homogenous networks. When the router is in bridge mode, the original W AN MAC address is ignor ed and the original LAN MA[...]

24 Example: Bridge Mode In this example of a bridged network, a computer on Network A is able to communicate with a computer on Network B by sending a message to IP addr ess 192.168.2.1, which in turns sends a message to 172.25.3.14, which in turn sends the message to the computer on Network B.[...]

25 LAN The LAN port settings page allows you to specify a private IP addr ess for your router ’s LAN port and specify a range of IP addr esses for your DHCP server to issue to your LAN clients. When you are satisfied with your LAN settings, click Apply . Parameter Default Description IP Address 192.168.2.1 This is the router ’s LAN port IP addr[...]

26 NA T Network Address T ranslation (NA T) helps you conserve IP addr esses by allowing many multiple local users to access the Internet through far fewer public IP addresses. NA T also provides fir ewall protection fr om hacker attacks and allows you to map private IP addresses to public IP addresses for key services such as websites or FTP . Add[...]

27 V irtual Server Use the V irtual Server function when you want different servers/clients in your LAN to handle specific applications (e.g., email, FTP , web server). Using different port numbers, computers can recognize a particular application pr ocess or network service. The V irtual Server function allows you to re-dir ect a remote r equest t[...]

28 Example: V irtual Server The diagram below demonstrates one of the ways you can use the V irtual Server . Private IP: 192.168.2.2 Private Port: 80 (HTTP) T ype: TCP Public Port: 80 (HTTP) In this example, the user wants the web server on their private LAN to be accessible to Internet users. Any request fr om the Internet to access the web server[...]

29 Special Applications Some applications (like Internet games, video conferencing, Internet telephony and others) requir e multiple connections. The Special Applications function allows you to configure the r outer to support multiple connections for these types of applications. Parameter Description T rigger Port Enter the outgoing (Outbound) por[...]

30 Example: Special Applications T o run special applications, you need to know the port (outbound) information associated with that application. In the example on the previous page, ther e are thr ee special application rules enabled. The first rule states that when a user triggers port number 28800 (outbound), the router will open ports 2300-2400[...]

31 Firewall The router can pr ovide extensive firewall pr otection. Y ou can restrict certain users/hosts from using certain applications, block common hacker attacks, and be informed by email if an attack on your network occurs. Y ou can also configure a specific client/server as a DMZ (Demilitarized Zone) for applications that requir e unrestrict[...]

32 Access Control The Access Control featur e allows you to r estrict users from accessing specific Internet applications and services (e.g., email, FTP , Internet websites). Y ou can also set time restrictions on users and applications so that certain users can only access certain applications during specified times. Parameter Description Enable C[...]

33 Example: Access Control In the screen shot on the pr evious page, there ar e two access contr ol restrictions in place. The client at IP addr ess 192.168.2.1 is r estricted from using port 80 (HTTP) at all times. The clients with IP addr esses between 192.168.2.10 and 192.168.2.15 are r estricted fr om using any activity that requir es ports 80 [...]

34 Hacker Prevention The router ’s fir ewall can block common hacker attacks (including Denial of Service, Ping of Death, and RIP defect) and can alert you by email if your network is under attack. When you are satisfied with your Hacker Pr evention settings, click Apply . Parameter Description DoS Protection Check this box to protect your networ[...]

35 DMZ The DMZ (DeMilitarized Zone) feature allows a LAN client to have unr estricted two- way access to the Internet by bypassing the router ’s fir ewall. Useful for applications like Internet gaming, video conferencing, or VPN connections, a DMZ will r edirect all packets going to your W AN port IP addr ess to a specific LAN client/server while[...]

36 Chapter 4: Status The Status section allows you to monitor the status of your router . From the Status page you can view your router ’s system information, Internet connection status, configuration settings, any illegal attempts to enter your network, and information on all DHCP client PCs currently connected to the network. From the r outer h[...]

37 Internet Connection Y ou can view your current Internet connection status and related information. Parameter Description Cable/DSL Displays whether the router ’s W AN port is connected to a Cable/DSL modem. W AN IP Displays the router ’s W AN IP addr ess. Subnet Mask Displays the router ’s Subnet Mask. Gateway Displays your gateway IP addr[...]

38 Device Status The Device Status page shows you the router ’s curr ent configuration settings. Parameter Description IP Address Displays your router ’s LAN IP address. Subnet Mask Displays your router ’s LAN subnet mask. DHCP Server Shows whether the router ’s DHCP server is enabled or disabled. Firewall Shows whether the firewall is enab[...]

39 Security Log This security log shows any attempts to gain illegal access to your network. Parameter Description Security Log The log lists information about all illegal attempts to access your network. Click the Save button to save the log to a local file for further processing. Click Clear to clear the security log. Click Refresh to get the mos[...]

40 DHCP Client Log Y ou can view information on the LAN clients that are currently linked to the r outer ’s DHCP server . Parameter Description DHCP Client Log This page shows all the DHCP LAN clients that ar e currently connected to your network. The DHCP client log displays the number of clients linked to the router ’s DHCP server , as well a[...]

41 Chapter 5: T ools From the T ools page, you can save or restor e configuration settings, upgrade the system firmware, or r eset the router . From the r outer homepage, click on T ools . Y ou have three options: • Configuration T ools : Y ou can save the router ’s current configuration, restor e the router ’s saved configuration files, or r[...]

42 Firmware Upgrade StarT ech.com may periodically offer firmware upgrades as a download on our website. V isit www .startech.com and click on the Downloads link to check for possible firmware upgrades for this product. If ther e is an upgrade available, download the file according to instructions on the website and then proceed with the following [...]

43 Reset Y ou can reset the router if you ar e experiencing any problems. Remember , performing this step will delete all your configurations and requir es you to re-configur e the r outer , beginning with the Quick Install. Click on the Apply button to reset the r outer . Y ou will be asked to confirm your decision. The reset will be complete when[...]

44 Appendix A Find and record your computer ’ s IP configuration settings Note: The following instructions are valid for W indows 95/98/Me/2000/XP only . If you are using a dif ferent OS, consult your OS manufactur er for details. If after completing this procedur e you are still unsur e of wher e to find some of the requir ed information, contac[...]

45 Appendix B Popular Port Numbers For online games, check with the game manufacturer for details on the specific ports or port ranges need to be opened. Note: The following list contains a selection of some of the most popular port numbers. A more complete list of port numbers is available on the Internet Assigned Numbers Authority (IANA) website [...]

Appendix C Setting a Static IP Address By default, the router uses its DHCP server to automatically assign your LAN clients a dynamic IP addr ess in the range of 192.168.2.100 to 192.168.2.199 (Y ou can edit this range. See page 25 for details). T o use certain router functions such as address mapping or virtual server , you may need to assign a PC[...]

47 W indows Me/98/95 1. From your Contr ol Panel, double-click on the Network icon. 2. Under the Protocols tab, highlight TCP/IP and click the Properties button. 3. Select the IP addr ess tab, and select “Specify an IP address”. Enter a unique IP address that is not used by any other computer on the network connected to the router . Make sure t[...]

48 T roubleshooting If you are experiencing connection dif ficulties, first check your cables: • Make sure that all cables ar e in their proper ports and firmly seated. • Make sure that cables connected to PCs/LAN clients ar e not plugged into the W AN port and that the cable from the modem is plugged into the W AN port. • Make sure that your[...]

49 T est your Internet connection. Y ou can try to pin down the location of the problem by completing the following steps: • Ping your router . 1. Click on Start then Run . 2. T ype “cmd”(or “command”) in the field and click Run . 3. T ype “ping 192.168.2.1” (the router ’s default IP addr ess) and press Enter . If you see four “Re[...]

50 Online Gaming Problems • Some online games requir e certain ports to be opened in order to function pr operly . See Special Applications on page 29 in the manual for details on how to open ports. Check with the game manufacturer ’s technical support for details on which specific ports need to be opened. • Multiple gamers on the LAN may not[...]

51 Glossary Bridge : An intelligent, internetworking device that forwards or filters packets between differ ent networks based on data link layer (MAC) address information. Broadband : A method of communication where a wide band of frequencies is available to transmit voice, data, and video signals over a single medium. Information can be sent on m[...]

52 Ethernet : A popular network standard of communication using either twisted pair or coaxial cables. The most widely used LAN access method, Ethernet networks are connected by special cables and hubs, and can transfer data at speeds up to 10 or 100 million bits per second (Mbits/sec). Also known as IEEE 802.3. Firewall : A configurable program or[...]

53 Port : A number used to identify a specific process or application (such as HTTP or SMTP) to which an Internet or other network message is to be forwarded. If you ar e operating behind a firewall, you may need to open specific ports to allow users to access these applications. PPPoE (Point-to-Point Protocol over Ethernet): A communications speci[...]

54 WA N (W ide Ar ea Network): A communications network that covers a wide geographic area (dif ferent buildings, cities, countries). The Internet is an example of a W AN. xDSL : All types of DSL modems (ADSL, SDSL, HDSL, etc.). T echnical Specifications LAN Ports 4 x 10/100 BaseT (RJ-45) W AN Ports 2 x 10/100 BaseT (RJ-45, xDSL or Cable) LEDs 1 x [...]

55 T echnical Suppor t The following technical resour ces are available for this StarT ech.com product: On-line help: W e are constantly adding new information to the T ech Support section of our web site. T o access this page, click the T ech support link on our homepage, www .startech.com . In the tech support section there ar e a number of optio[...]

Revised: February 20, 2003[...]