Linksys BEFSX41 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Linksys BEFSX41. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Linksys BEFSX41 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Linksys BEFSX41 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Linksys BEFSX41, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Linksys BEFSX41 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Linksys BEFSX41
- nombre de fabricante y año de fabricación del dispositivo Linksys BEFSX41
- condiciones de uso, configuración y mantenimiento del dispositivo Linksys BEFSX41
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Linksys BEFSX41 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Linksys BEFSX41 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Linksys en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Linksys BEFSX41, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Linksys BEFSX41, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Linksys BEFSX41. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    Instant Broadband ® Series EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Use this guide to install: BEFSX41 User Guide[...]

  • Página 2

    COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. Copyright © 2003 Linksys, All Rights Reserved. EtherFast, Instant Broadband, Linksys, and the Linksys logo ar e register ed trademarks of Linksys Group, Inc. Micr osoft, Windows, and the Windows logo are r eg- istered trademarks of Micr osoft Corporation. All other tra[...]

  • Página 3

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint VPN 38 Pass w ord 51 Status 53 DHCP 55 Log 57 Help 59 Advanced 60 Filters 61 F orwarding 65 Dynamic Routing 70 Static Routing 71 DMZ Host 73 MA C Address Clone 75 DDNS 76 Appendix A: T roubleshooting 79 Common Problems and Solutions 79 Frequentl y Asked Questions 92 Appendix B: [...]

  • Página 4

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 1 Chapter 1: Introduction The Linksys EtherFast ® Cable/DSL Router The Linksys Instant Broadband EtherF ast Cable/DSL F irew all Router with 4- P ort Switch/VPN Endpoint is the perfect solution for connecting a small group of PCs to a high-speed broadband Internet connection or[...]

  • Página 5

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 3 Instant Broadband ® Series 2 Dynamic IP Addresses A d ynamic IP addr ess is automatically assigned to a de vice on the netw ork, such as PCs and print servers. These IP addresses are called “dynamic” because they are onl y tempor arily assigned to the PC or device. After [...]

  • Página 6

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Chapter 2: Y our Virtual Private Network (VPN) Computer netw orking pro vides a flexibility not a v ailable w hen using an archa- ic, paper-based system. With this fle xibility , how ever , comes an increased risk in security . This is w h y f irew alls were f irst introduced. F[...]

  • Página 7

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint There are tw o basic w a ys to create a VPN connection: • Fire w all Router to Fire wall Router • Computer (using VPN client software that supports IPSec) to Fire wall Router The Fire w all Router creates a “tunnel” or channel between tw o endpoints, so that data transmi[...]

  • Página 8

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 9 Chapter 3: Getting to Know the EtherFast Cable/DSL Firewall Router The Router’ s ports, sho wn in Figure 3-1, are w here netw ork cables are con- nected WA N The WA N (W ide Area Netw ork) port is where you connect your cab le or DSL modem through an Ethernet cable. Y our mo[...]

  • Página 9

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 11 Instant Broadband ® Series 10 W AN and LAN LEDs Link/Act Gr een . The Link/Act LED serves tw o pur poses. If the LED is con- tinuously lit, the Router is successfull y connected to a device through the cor responding port (1, 2, 3 or 4/DMZ). If the LED is flickering, the Rou[...]

  • Página 10

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 13 Instant Broadband ® Series 12 Repeat the abo v e step to connect more PCs or netw ork de vices to the Router . 3. Connect the Ether net cab le from your cab le or DSL modem to the WA N por t on the Router’ s back panel, as sho wn in F igure 4-3. This is the only port that [...]

  • Página 11

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 1. Go to the Netw ork screen b y clicking the Start button. Click Settings and then Contr ol P anel . From there, double-click the Netw or k icon. 2. On the Conf iguration tab, shown in F igure 5-1, select the TCP/IP line for the applicable Ethernet adapter . Do not choose a TCP[...]

  • Página 12

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 1. Go to the Netw ork screen b y clicking the Start button. Click Settings and then Contr ol P anel . F rom there, double-click the Netw ork and Dial-up Connections icon. 2. Select the Local Area Connection icon for the applicab le Ethernet adapter (usually it is the f irst Loca[...]

  • Página 13

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint The follo wing instructions assume you are running W indo ws XP with the default interface. If you are using the Classic interface (where the icons and menus look like pre vious W indo ws versions), please follo w the instructions for W indo ws 2000. 1. Click to the Netw ork scr[...]

  • Página 14

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 21 Instant Broadband ® Series 3. Select Internet Pr otocol (TCP/IP) , as sho wn in F igure 5-7, and click the Pr operties button. 4. Select Obtain an IP address automaticall y . Once the ne w windo w Select Obtain an IP addr ess automaticall y in both places, as sho wn in Figur[...]

  • Página 15

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Obtain an IP Addr ess A utomaticall y If your ISP sa ys that you are connecting through DHCP or a dynamic IP address from y our ISP , perfor m these steps: A . Select Obtain an IP A utomatically as the W AN Connection T ype. (Sho wn in Figure 6-4.) B. Click the Appl y and Contin[...]

  • Página 16

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint PPTP PPTP is a service used in Europe only . (Shown in F igure 6-8.) If you are using a PPTP connec- tion, check with your ISP for the necessary setup infor mation. When you are f inished with the Setup tab, proceed to step 5. HBS HBS is a service used in Australia only . (Shown[...]

  • Página 17

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Chapter 7: The Cable/DSL Firewall Router’ s W eb-based Utility F or your con venience, use the Router’ s web-based utility to administer it. This chapter will explain all of the functions in this utility . The utility can be accessed via Microsoft Internet Explorer or Netsca[...]

  • Página 18

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint • Device IP Addr ess and Subnet Mask The values for the Router’ s IP Address and Subnet Mask are sho wn here. The default values are 192.168.1.1 for the Device IP Address and 255.255.255.0 for the Subnet Mask. • W AN Connection T ype The Router supports six connection type[...]

  • Página 19

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 31 Instant Broadband ® Series 30 PPP oE Some DSL-based ISPs use PPP oE (P oint-to-P oint Protocol o v er Ethernet) to establish Internet connections for end-users. If you are connected to the Internet through a DSL line, check with your ISP to see if they use PPP oE. If they do[...]

  • Página 20

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 33 Instant Broadband ® Series 32 PPTP P oint to P oint T unneling Protocol (PPTP) is a service that applies to connec- tions in Europe only . Figure 7-8 sho ws a PPTP setup. Specify W AN IP Address This is the IP address that the Router has, when seen from the W AN, or the Inte[...]

  • Página 21

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 35 Instant Broadband ® Series HBS The HeartBeat Signal (HBS) is a service that applies to connec- tions in Australia only . (Shown in Figure 7-9.) F or users in Australia, check with your ISP for setup informa- tion. User Name and P assword Enter the User Name and P ass w ord s[...]

  • Página 22

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint PPTP P ass Through • P oint-to-P oint T unneling Protocol Pass Through is the method used to enable VPN sessions to a W indo ws NT 4.0 or 2000 ser ver . PPTP Pass Through is enabled b y default. T o disable this feature, click on Disab le next to PPTP Pass Thr ough , and then [...]

  • Página 23

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint V irtual Priv ate Netw orking (VPN) is a security measure that basically creates a secure connection betw een tw o remote locations. This connection is very specif ic as f ar as its settings are concerned; this is what creates the security . The VPN screen, shown in F igure 7-11[...]

  • Página 24

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 41 40 • IP Address - If you select IP Addr ess , onl y the computer with the spe- cif ic IP Address that you enter will be ab le to access the tunnel. In the example sho wn in Figure 7-13, onl y the computer with IP Address 192.168.1.10 can access the tunnel from this end. Onl[...]

  • Página 25

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 43 42 Remote Security Gatew a y The Remote Security Gatew ay is the VPN device, such as a second F ire w all Router , on the remote end of the VPN tunnel. Under Remote Security Gatew a y , you ha ve three options: IP Address, FQDN , and Any . • IP Addr ess - If y ou select IP [...]

  • Página 26

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Ke y Management In order for any encryption to occur , the tw o ends of the tunnel must ag ree on the type of encryption and the wa y the data will be decrypted. This is done b y sharing a “key” to the encryption code. Under K e y Management , y ou ma y choose automatic or m[...]

  • Página 27

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 47 46 On the VPN screen, the word Connected should appear beside Status if the connection is successful. The other f ields reflect the information that you entered on the VPN screen to make the connection. If Disconnected appears under Status, as sho wn in Figure 7-23, some prob[...]

  • Página 28

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 49 48 Encryption Select the length of the key used to encrypt/decrypt ESP packets. There are tw o choices: DES and 3DES. 3DES is recommended because it is more secure. A uthentication Select the method used to authenticate ESP packets. There are tw o choices: MD5 and SHA. SHA is[...]

  • Página 29

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 51 Phase 2 Group There are tw o Dif f ie-Hellman Groups to choose from: 768-bit and 1024-bit. Diff ie-Hellman refers to a cryptographic technique that uses public and pri v ate keys for encryption and decryption. Key Lif etime In the Ke y Lifetime f ield , you ma y optionall y s[...]

  • Página 30

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 53 Do not restore the factor y defaults unless you are ha ving diff iculties with the Router and ha ve e xhausted all other troubleshooting measures. Once the Router is reset, you will ha ve to re-enter all of your conf iguration data. UPnP Function Uni v ersal Plug and Pla y (U[...]

  • Página 31

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint From the DHCP screen, sho wn in Figure 7-28, y ou can conf igure the Router as a DHCP Server . A Dynamic Host Conf iguration Protocol (DHCP) server automaticall y assigns an IP address to each PC on your netw ork for you. Unless y ou already ha ve one, it is highly recommended t[...]

  • Página 32

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint The Log tab, sho wn in Figure 7-29, pro vides you with a lo g of all incoming and outgoing URLs or IP addresses for your Internet connection. T o access activity lo gs, select the Ena b le option next to Lo g. This function can be disabled b y clicking the Disa ble radio button.[...]

  • Página 33

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 59 From the drop-do wn menu, select the log y ou wish to vie w: All (to view all logs), System Lo g, Access Lo g, Fire w all Lo g, or VPN Log. • System Log The System Lo g screen displa ys a list of cold and w arm starts, web lo gin successes and failures, and packet f ilterin[...]

  • Página 34

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint The Filters screen, sho wn in Figure 7-33, allo ws y ou to b lock or allo w specif ic kinds of Internet usage. Y ou can set up Inter net access policies for specif ic PCs. Internet Access P olicy Multiple f ilters can be sa ved as Internet Access P olicies. T o create or edit a [...]

  • Página 35

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 5. T o block w ebsites with specif ic URL addresses, enter each URL address in a W ebsite Blocking by URL Addr ess f ield. Y ou can enter up to four URL addresses. 6. T o block w ebsites that use specif ic keyw ords as par t of their URL address- es, enter each keyw ord in a W e[...]

  • Página 36

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 65 From the F orwarding tab, sho wn in Figure 7-37, y ou can set up public services on your netw ork, such as web servers, ftp servers, e-mail servers, or other spe- cialized Internet applications. (Specialized Inter net applications are any appli- cations that use Internet acce[...]

  • Página 37

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 67 66 • T elnet A terminal emulation protocol commonly used on Internet and TCP/IP-based net- w orks. It allo ws a user at a terminal or computer to log onto a remote device and run a program. • SMTP (Simple Mail T ransfer Protocol) The stan- dard e-mail proto- col on the In[...]

  • Página 38

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 69 68 5. Enter the IP address of the server that you w ant the Internet users to be able to access. T o f ind the IP address, go to “ Appendix G: Finding the MA C Address and IP Address for Y our Ether net Adapter . ” 6. Check the Enable bo x to enable the services you ha ve[...]

  • Página 39

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 71 70 If the Router is connected to more than one netw ork, it ma y be necessary to set up a static route betw een them. This can be done from the Static Routing screen, sho wn in F igure 7-41. A static route is a pre-deter mined pathw a y that netw ork information must tra vel [...]

  • Página 40

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 73 72 From the DMZ Host tab, sho wn in Figure 7-42, y ou can set P ort 4/DMZ to DMZ or LAN connection. Any user on the Internet can access incoming or out- going data from the DMZ host without the use of f irew all protection. This fea- ture is used for special-pur pose services[...]

  • Página 41

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 75 Specify an IP Addr ess behind the DMZ P ort: If you ha ve multiple PCs connected to P ort 4/DMZ via a hub or switch, y ou can specify which PC is the DMZ host. T o expose a computer with a specif ic IP address, enter that computer’ s IP address in this f ield. T o get the I[...]

  • Página 42

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint DynDNS.org T o order DynDNS ser vice, click the appropriate link at the top of the DDNS screen. Username , Pass w ord , and Host Name Enter the Username, Passw ord , and Host Name of the account you set up with DynDNS.or g. Internet IP Addr ess The Router’ s cur rent Internet [...]

  • Página 43

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 79 Instant Broadband ® Series TZO.com T o sign up for a free, 30-day trial of TZO ser vice, order TZO service, or man- age your TZO service, click the appropriate link at the top of the DDNS screen. Domain Name , Email Address , and TZO P assw or d Ke y Enter the Domain Name, E[...]

  • Página 44

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 81 Instant Broadband ® Series F or W indo ws 2000: A. Click Start , Settings , and Control P anel . Double-click Netw ork and Dial-Up Connections . B . Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and select the Pr oper ties [...]

  • Página 45

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 83 Instant Broadband ® Series 82 C. In the command prompt, type ping 192.168.1.1 and press the Enter key . • If you get a repl y , the computer is communicating with the Router . • If you do NO T get a reply , please check the cable, and make sure Obtain an IP addr ess auto[...]

  • Página 46

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Y our VPN ma y require por t 500/UDP packets to be passed to the computer that is connecting to the IPSec server . Refer to “Problem #7, I need to set up online game hosting or use other Internet applications” for details. Check the Linksys w ebsite for more information at w[...]

  • Página 47

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 8. I can’t get the Internet game, ser ver , or application to work. If you are ha ving diff iculties getting an y Internet game, ser v er , or application to function properly , consider exposing one PC to the Inter net using DeMilitarized Zone (DMZ) hosting. This option is av[...]

  • Página 48

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 13. The fir mware upgrade failed, and/or the Diag LED is flashing. The upgrade could hav e failed for a number of reasons. F ollo w these steps to upgrade the f irmware and/or make the Diag LED stop flashing: A. If the f irmware upgrade failed , use the TFTP pro gram (it was do [...]

  • Página 49

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 17. The Diag LED stays lit continuously . The Diag LED lights up when the de vice is f irst po w ered up. Meantime, the system will boot up itself and check for proper operation. After f inishing the checking procedure, the LED turns off to sho w that the system is w orking f in[...]

  • Página 50

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 93 Instant Broadband ® Series 92 I set up an Unreal T our nament Server , but others on the LAN cannot join. What do I need to do? If you ha ve a dedicated Unreal T our nament ser ver running, you need to create a static IP for each of the LAN computers and forward ports 7777, [...]

  • Página 51

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 95 Instant Broadband ® Series 94 Does the Router replace a modem? Is there a cable or DSL modem in the Router? No, this version of the Router must w ork in conjunction with a cable or DSL modem. Which modems are compatible with the Router? The Router is compatible with virtuall[...]

  • Página 52

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 97 Instant Broadband ® Series 96 As secure as the Fire w all Router makes y our data, there are still more w a ys to maximize security . The follo wing are a fe w suggestions on ho w to increase data security bey ond the F irew all Router . 1) Maximize security on your other ne[...]

  • Página 53

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 99 Instant Broadband ® Series 98 1. Click the Start button, select Run , and type secpol.msc in the Open f ield. The Local Security Setting screen will appear as sho wn in F igure C-1. 2. Right-click IP Security P olicies on Local Computer , and click Cr eate IP Security P olic[...]

  • Página 54

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 101 Instant Broadband ® Series 100 3. The IP F ilter List screen should appear , as sho wn in F igure C-4. Enter an appropriate name, such as win->r outer , for the f ilter list, and de-select the Use Add Wizar d check box. Then, click the Add button. 4. The F ilters Pr oper[...]

  • Página 55

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 103 Instant Broadband ® Series 102 8. The IP F ilter List screen should appear , as sho wn in F igure C-7. Enter an appropriate name, such as r outer ->win for the f ilter list, and de-select the Use Add Wizar d check box. Click the Add button. 9. The F ilters Pr operties sc[...]

  • Página 56

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 105 Instant Broadband ® Series 104 T unnel 1: win->r outer 1. F rom the IP F ilter List tab, sho wn in F igure C- 10, click the f ilter list win->r outer . 2. Click the Filter Action tab (as in Figure C-11), and click the f ilter action Requir e Security radio button. The[...]

  • Página 57

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 107 Instant Broadband ® Series 106 5. Change the authentica- tion method to Use this string to pr otect the ke y e xchange (pr e- shar ed ke y) , as sho wn in Figure C-14, and enter the preshared key string, such as XYZ12345 . Click the OK button. 6. This ne w Preshared key wil[...]

  • Página 58

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 109 Instant Broadband ® Series 108 T unnel 2: r outer ->win 9. In the screen, sho wn in Figure C-18, mak e sure that “win -> router” is select and deselect the Use Add Wizar d check box. Then, click the Add button to cre- ate the second IP f ilter . 10. Go to the IP F[...]

  • Página 59

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 111 Instant Broadband ® Series 110 13. Change the authenti- cation method to Use this string to pr otect the ke y e xchange (pr eshar ed ke y) , and enter the preshared key string, such as XYZ12345 , as sho wn in F igure C- 22. (This is a sample key string. Y ours should be a k[...]

  • Página 60

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 113 Instant Broadband ® Series 112 17. F rom the Rules tab, sho wn in F igure C- 26, click the Close button to return to the secpol screen. In the IP Security P olicies on Local Computer window , shown in F igure C- 27, right-click the policy named to_r outer , and click Assign[...]

  • Página 61

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 115 Instant Broadband ® Series 114 8. Select IP Ad dr . from the pull-do wn menu beside Remote Security Gatew ay . This w ould be the IP Address of your Internet connection as seen from the Internet. Enter this IP Address here. 9. Select a type of encryption and authentication [...]

  • Página 62

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 117 Instant Broadband ® Series Appendix D: SNMP Functions SNMP ( S imple N etw ork M anagement P rotocol) is a widel y-used netw ork monitoring and control protocol. Data is passed from a SNMP agent, such as the EtherF ast Cable/DSL F irew all Router with 4-P or t 10/100 Switch[...]

  • Página 63

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 119 Instant Broadband ® Series 118 Step T wo: Pinging for a Web Addr ess While the IP address returned abo v e w ould work as y our e-mail server address, it ma y not be permanent. IP addresses change all the time. W eb addresses, ho w- ev er , usually don’ t. Because of this[...]

  • Página 64

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 6. Find and double-click TCP/IP in the list to the right (see Figure F-2). 7. After a few seconds, the main Netw ork windo w will appear . The TCP/IP Protocol should no w be listed. 8. Click the OK button. W indo ws may ask for original W indows installation f iles. Supply them [...]

  • Página 65

    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 3. Write do wn the Adapter Address as shown on y our computer screen (see Figure G-3). This is the MA C address for y our Ethernet adapter and will be sho wn as a series of numbers and letters. The MA C address/Adapter Address is w hat you will use for MA C Address Cloning. The [...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint When entering information for MAC Address Cloning, type the 12-digit MA C addr ess (see F igure G-6). 125 Instant Broadband ® Series 2. In the command prompt, enter ipconf ig /all . Then press the Enter key . 3. Write do wn the Ph ysical Address as sho wn on y our computer scre[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Cab le Modem - A device that connects a computer to the cable tele vision net- w ork, w hich in turn connects to the Inter net. Once connected , cable modem users ha ve a continuous connection to the Internet. Cable modems feature asymmetric transfer rates: around 36 Mbps do wns[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint emplo ying unused bandwidth, still allo ws for nor mal phone usage. DSL pro- vides "al w a ys-on" operation, eliminating the need to dial in to the service. Dynamic IP Address - An IP address that is automaticall y assigned to a client station in a TCP/IP network, typi[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Hub - The device that serves as the central location for attaching wires from w orkstations. Can be passi ve, w here there is no amplif ication of the signals; or activ e, w here the hubs are used like repeaters to pro vide an extension of the cable that connects to a w orkstati[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Multicasting - Sending data to a group of nodes instead of a single destination. NA T ( N etw ork A ddress T ranslation) - The translation of an Internet Protocol address (IP address) used within one netw ork to a dif ferent IP address kno wn within another netw ork. One netw or[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint RIP ( R outing I nformation P rotocol) - A simple routing protocol that is par t of the TCP/IP protocol suite. It determines a route based on the smallest hop count betw een source and destination. RIP is a distance vector protocol that routine- l y broadcasts routing informatio[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint TFTP ( T rivial F ile T ransfer P rotocol) - A version of the TCP/IP FTP protocol that has no directory or passw ord capability . Thr oughput - The amount of data mov ed successfull y from one place to another in a giv en time period. UDP ( U ser D atag ram P rotocol) - A method[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint 139 Appendix I: Specifications Model Number BEFSX41 Standards IEEE 802.3, IEEE 802.3u Protocol CSMA/CD Ports W AN: One 10/100 RJ-45 Port LAN: Four 10/100 RJ-45 Ports (One with DMZ Functionality) Cabling T ype UTP Category 5 or Better T opology Star Speed (Mbps) W AN: 10/100 (Hal[...]

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    EtherFast ® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint Appendix K: Contact Information F or help with the installation or operation of the EtherF ast Cab le/DSL F irew all Router , contact Linksys T echnical Suppor t at one of the phone numbers or Internet addresses below . Sales Information 800-546-5797 (LINKSYS) T echnical Support[...]

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