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Manuale per l’uso Linksys BEFSX41

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Summary
  • Linksys BEFSX41 - page 1

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

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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: ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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. ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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, ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 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 ...

  • Linksys BEFSX41 - page 66

    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 ...

  • Linksys BEFSX41 - page 67

    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 ...

  • Linksys BEFSX41 - page 68

    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 ...

  • Linksys BEFSX41 - page 69

    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 ...

  • Linksys BEFSX41 - page 70

    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 ...

  • Linksys BEFSX41 - page 71

    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 ...

  • Linksys BEFSX41 - page 72

    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 ...

  • Linksys BEFSX41 - page 73

    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 ...

  • Linksys BEFSX41 - page 74

    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 ...

  • Linksys BEFSX41 - page 75

    © Copyright 2003 Linksys, All Rights Reserved. www .linksys.com ...

Fabbricante Linksys Categoria Network Router

I documenti che otteniamo dal fabbricante del dispositivoLinksys BEFSX41 possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici Linksys
- manuali per l’uso BEFSX41
- schede prodotto Linksys
- opuscoli
- o etichette energetiche Linksys BEFSX41
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Linksys BEFSX41.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Linksys BEFSX41, manuali di manutenzione, brevi manuali o manuali utente Linksys BEFSX41. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Linksys BEFSX41.

Manuali per l’uso simili

Manuale completo del dispositivo Linksys BEFSX41, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Linksys BEFSX41 dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Linksys BEFSX41.

Il manuale per l’uso completo Linksys, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Linksys BEFSX41 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Linksys BEFSX41, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Linksys BEFSX41 che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Linksys BEFSX41 - che ci dovrebbe aiutare nei primi passi durante l'uso Linksys BEFSX41
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Linksys BEFSX41
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Linksys BEFSX41 in un dato paese, se il problema non può essere risolto da noi stessi.

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Se non hai risolto il problema con Linksys BEFSX41 con l'aiuto del manuale che hai trovato, fai una domanda utilizzando il modulo sottostante. Se un utente ha avuto un problema simile con Linksys BEFSX41 è probabile che voglia condividere il modo di risolverlo.

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