Genius Products U.S.A. BEFW11S4 Bedienungsanleitung

A Division of Cisco Systems, Inc . ® Model No . Broadband Router Wir eless- B BEFW11S4 User Guide WIRELESS GH z 2.4 802.11b[...]

Wireless-B Broa dband Router Copyright and T rademarks Specifications are subject to change without notice . L inksys is a registered tradema rk or trademark of Cisco Systems, Inc . and/or its affiliates in the U.S . and certain other countries. Copyright © 2004 Cisco Systems, Inc. All rights reserved. Other brands and product names are tradem ark[...]

Wireless-B Broa dband Router Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Planning your Wireless Network 4 Network Topology 4 Roaming 4 Network Layout 5 Chapter 3: Getting to Know the Wireless-B Broadband Router 6 The Back Panel 6 The Front Panel 7 Chapter 4: Connecting the Wireless-B Broadband Router 8[...]

Wireless-B Broa dband Router Appendix A:Troubleshooting 31 Common Problems and Solutions 31 Frequently Asked Questions 38 Appendix B: Wireless Security 45 Security Precautions 45 Security Threats Facing Wireless Networks 45 Appendix C: Upgrading Firmware 48 Appendix D: Windows Help 49 Appendix E: Finding the MAC Address and IP Address for Your Ethe[...]

Wireless-B Broad band Router List of Figures Figure 3-1: The Broadband Router’s Back Panel 6 Figure 3-2: The Broadband Router’s Front Panel 7 Figure 4-1: Connecting Your Internet Connection 8 Figure 4-2: Connecting Your Network Devices 8 Figure 4-3: Connecting the Power 8 Figure 5-1: Password Screen 9 Figure 5-2: Setup Tab - Basic Setup 10 Figu[...]

Wireless-B Broad band Router Figure 5-26: Applications and Gaming - UPnP Forwarding 24 Figure 5-27: Applications and Gaming - DMZ 25 Figure 5-28: Administration Tab - Management 25 Figure 5-29: Backup & Restore 26 Figure 5-30: Administration Tab - Log 26 Figure 5-31: Log Table 26 Figure 5-32: Administration Tab - Firmware Upgrade 27 Figure 5-33[...]

1 Chapter 1: Introductio n Welcome Wireless-B Broa dband Router Chapter 1: Introduction We l c o m e Thank you for choosing the Linksys Wireless-B Broadband Router . Think of the Linksys Wireless-B Broadband Router as a kind of "splitter" for your Internet connection . Just connect your DSL or Cable Modem to the Router , and all the compu[...]

2 Chapter 1: Introductio n What’s in this Guide? Wireless-B Broa dband Router What’ s in this Gu ide? This user guide covers the steps for setting up and using the Wireless-B Media Adapter . • Chapter 1: Introduction This chapter describes the Adapter’s applications and this User Guide . • Chapter 2: Planning your Wireless Network This ch[...]

3 Chapter 1: Introductio n What’s in this Guide? Wireless-B Broa dband Router • Appendix G: Specifications This appendix provides the technical specifications for the Router . • Appendix H: Warranty Information This appendix supplies the warranty information for the Router .. • Appendix I: Regulatory Infor mation This appendix supplies the [...]

4 Chapter 2: Planning your Wireless Network Network Topology Wireless-B Broa dband Router Chapter 2: Planning your Wireless Network Network T opology A wireless LAN is a group of computers, each equipped with one Linksys wireless adapter . Comp uters in a wireless LAN must be configured to share the same radio channel. The Linksys wireless adapters[...]

5 Chapter 2: Planning your Wireless Network Network Layout Wireless-B Broa dband Router Network La yout The Wireless-B Broadband Router is compatible with a ll 802.11b adapters, such as the PC Card (WPC11) for your laptop computers, PCI Card ( WMP11) for your desktop PC , and USB Adapter (WUSB11) for when you want to enjoy USB connectivity . The Ro[...]

6 Chapter 3: Getting to Know the Wireless-B Broadban d Router The Back Panel Wireless-B Broa dband Router Chapter 3: Getting to Know the Wireless-B Broadband Router The Back P anel The Broadband Router's ports, where the cables are connected, are located on the back panel. Reset Button There are two ways to reset the Broadband Router's fa[...]

7 Chapter 3: Getting to Know the Wireless-B Broadban d Router The Front Panel Wireless-B Broa dband Router The Front P anel The Router's LEDs, where information about network ac tivity is displayed, are located on the front panel. Po w e r Green. The Power LED lights up and will stay on while the Router is powered on. When the Router goes thro[...]

8 Chapter 4: Connecting the Wire less-B Broadband Route r Hardware Installation Wireless-B Broa dband Router Chapter 4: Connecting the Wireless-B Broadband Router Hardw are Installation 1. Locate an optimum location for the Broadband Router . The best place for the Broadband Router is usually at the center of your wireless network, with line of sig[...]

9 Chapter 5: Configuring the Wireless-B Broadband Router Overview Wireless-B Broa dband Router Chapter 5: Configuring the Wireless-B Broadband Router Overview The Broadband Router has been designed to be function al right out of the box with the default settings in the Setup Wizard. However , if you’ d like to change these settings, use the Route[...]

10 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - Basic Setu p Wireless-B Broa dband Router The Setup T ab - Basic Setup The first screen that appears displays the Setup tab. This allo ws you to change the Broadband Router's general settings. Change these settings as described here and click the Save Settings butto n to[...]

11 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - Basic Setu p Wireless-B Broa dband Router button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet connection terminates. Keep Alive:Redial Period. If you select this option, the Router will periodically check your Inter ne[...]

12 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - Basic Setu p Wireless-B Broa dband Router Optional Settings (Required by some ISPs) Some of these settings may be required by your IS P . Verify with your ISP befor e m aking any changes. Host Name/Domain Name . These fields allow you to supply a host and domain name for the [...]

13 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - Basic Setu p Wireless-B Broa dband Router Network Setup Router IP . The values for the Router’ s Local IP Address and Subnet Mask are shown here . In most cases, keeping the default values will work. Local IP Address. The default value is 192.168.1.1. Subnet Mask. The defau[...]

14 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - MAC Ad dress Clone Wireless-B Broa dband Router The Setup T ab - MAC Addr ess Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not [...]

15 Chapter 5: Configuring the Wireless-B Broadband Router The Setup Tab - Advan ced Routing Wireless-B Broa dband Router The Setup T ab - Advanced Routing This tab is us ed to set up th e Router ’ s advanced functio ns. Dynami c Routing wil l automati cally adjus t how packets travel on your ne twork. Static Routing se ts up a fixe d route to a n[...]

16 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Basic Wireless Settings Wireless-B Broa dband Router Click the Show Routing T able button to vi ew the Static Route s you’ve al ready set up. For each route, the Destination IP add ress, Subn et Mask, Gatew ay , and Interface are display ed . Click the Refresh button to [...]

17 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Wireless Security Wireless-B Broa dband Router The Wireless T ab - Wireless Security The Wireless Security settings configure the security of your wireless network. Click the radio button next to Enable to enable Wireless Security before choosing your options. Click the ra[...]

18 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Wireless Security Wireless-B Broa dband Router • Default Key . Select which WEP key (1-4) will be used when the Gateway sends data. Make sure that the receiving device (wireless client) is using the same key . • WEP Keys 1-4. WEP keys enable you to create an encr yptio[...]

19 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Wireless Network Access Wireless-B Broa dband Router The Wireless T ab - Wireless Netw ork Access Wireless network access can be filtered by using the MA C addresses of the wireless devices transmitting within your network’ s radius. Wireless Network Access. If you selec[...]

20 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Advanced Wireless Settings Wireless-B Broa dband Router The Wireless T ab - Advanced Wireless Settings This tab is used to set up the Router’s adv anced wireless functions. These settings should only be adjusted by an expert administrator as incorrect settings can reduce[...]

21 Chapter 5: Configuring the Wireless-B Broadband Router The Wireless Tab - Advanced Wireless Settings Wireless-B Broa dband Router RTS Threshold. Should you encounter inconsistent data flow , only minor reduction of the default value , 2346 , is recommended. If a network packet is smaller than the preset RTS threshold size , the RTS/CTS mechanism[...]

22 Chapter 5: Configuring the Wireless-B Broadband Router The Security Tab - VPN Passthrough Wireless-B Broa dband Router feature make it more difficult for outside users to wo rk their w ay into your network. This feature is enabled by default. Filter Multicast. This feature allows for multiple transmissions to specific recipients at the same time[...]

23 Chapter 5: Configuring the Wireless-B Broadband Router The Applications and Gaming Tab - Port Rang e Forwarding Wireless-B Broa dband Router The Applications and Gaming T ab - P ort Range Forwarding The Applications and Gaming T ab allows you to set up public services on your network, such as web ser vers, ftp servers, e-mail ser vers, or other [...]

24 Chapter 5: Configuring the Wireless-B Broadband Router The Applications and Gaming Tab - Port Trigg ering Wireless-B Broa dband Router The Applications and Gami ng T ab - P o rt T riggering Port T riggering Port T riggering is used for special applications that can request a port to be opened on demand. F or this feature , the Gateway will watch[...]

25 Chapter 5: Configuring the Wireless-B Broadband Router The Applications and Gaming Tab - DMZ Wireless-B Broa dband Router The Applications and Gaming T ab - DMZ The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose ser vice such as Internet gaming or videoconferencing. DMZ hosting forwards all the por[...]

26 Chapter 5: Configuring the Wireless-B Broadband Router The Administration T ab - Log Wireless-B Broa dband Router T o back up or restore a configuration, click the Backup an d Restor e button and the Backup & Restore Configuration screen will appear . T o back up a configuration, click the Backu p button. T o restore a configu ration, click [...]

27 Chapter 5: Configuring the Wireless-B Broadband Router The Administration Tab - Firmware Upgrade Wireless-B Broa dband Router The Administration T ab - Firmwar e Upgrade Firmware can be upgraded by following these instructions. Do not upgrade your fir mware unless you are experiencing problems with the Router . Y o u can lose your settings when [...]

28 Chapter 5: Configuring the Wireless-B Broadband Router The Administration Tab - Factory Defaults Wireless-B Broa dband Router The Administration T ab - Factory Defaults Click the Ye s button to reset all configuration settings to their default values, and then click the Save Settings button. Any settings you have saved will be lost when the defa[...]

29 Chapter 5: Configuring the Wireless-B Broadband Router The Status Tab - Rou ter Wireless-B Broa dband Router The Status T ab - Router The Router screen on the Status T ab displays the Router ’ s current status. Firmware Version. This is the Router’ s current firmware. MAC Address. This is the Router’ s MA C Address, as seen by your ISP . L[...]

30 Chapter 5: Configuring the Wireless-B Broadband Router The Status Tab - Loca l Network Wireless-B Broa dband Router The Status T ab - Local Network The Local Network screen on the Status T ab displays the status of your network. Local MAC Address. This is the Router’ s MAC A ddress, as seen on your local, Ethernet network. IP Address. This sho[...]

31 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router Appendix A: T roubleshooting This appendix consists of two parts: “Common Problems and Solutions” and “F requently Asked Questions. ” Provided are possible solutions to problems that may occu r during the installation and operation of the Router . Re[...]

32 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router 7. T oward the bottom of the window , select Use the following DNS server addresses, and enter the Preferred DNS server and Alternative DNS ser ver (pro vided by your ISP). Contact your ISP or go on its website to find the information. 8. Click the OK button[...]

33 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router C. In the command prom pt, type ping followed by y our Internet or Internet IP address and press the Enter key . The Inter net or Internet IP Add ress can be found on the Status screen of the Router’s web-based utility . For example , if your Internet or I[...]

34 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router 7. I need to set up a serve r behind my R outer and make it available t o the public. T o use a ser ver like a web , ftp, or mail server , you need to know the respective port numbers they are using . For example , port 80 (HTTP) is used for web; port 21 (FT[...]

35 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router 3. Enter the External Port range of the service you are using. For example , if you want to host Unreal T ournamen t (UT), you would enter the range 7777 to 27900. 4. Check the protocol you will be using, TCP and/or UDP . 5. Enter the IP address of the PC or[...]

36 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router • Reset the Router to factory default by pressing the Reset button for 10 seconds and then releasing it. If you are still getting prompted for a password w hen saving settings, then perform the following steps: 1. Access the Router’ s web-based utility b[...]

37 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-B Broa dband Router • If the firmware upgrade failed, use the TFTP program (it was downloaded along with the firmware). Open the pdf that was downloaded along with the firmware and TFTP program, and follow the pdf ’s instructions. • Set a static IP address on the PC; refe[...]

38 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router 17. The Pow er LED keep s flashing. The Power LED flashes when the device is first powered up. Meantime , the system will boot up itself and check for proper operation. After finishing the checking procedure , the LED stays solid to show that the system is worki[...]

39 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router Does the Internet connection o f the Router support 100Mbps Ethernet? The Router’ s current hardwar e design supports up to 100Mbps Ether net on its Internet port; however , the Internet connection speed will vary depending on the speed of you r broadband conn[...]

40 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router the same time , even if on the same LAN (not a problem with 1.0.1.3). As far as hosting games, the HL ser ver d oes not need to be in the DMZ. Just forward port 27015 to the local IP address of the server computer . How can I block corrupted FTP down loads? If y[...]

41 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router What is DMZ H osting? Demilitarized Zone (DMZ) allows one IP address (computer) to be exposed to the Internet. Some ap plications require multiple TCP/IP ports to be open. It is recommended that you set your computer with a static IP if you want to use DMZ Hosti[...]

42 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router • Multi-Channel Roaming • Automatic Rate Selection • RTS/CTS feature • Fragmentation • Power Management What is ad-hoc mode? When a wireless network is set to ad-hoc mode , the wireless-equipped computers are configured to communicate directly with eac[...]

43 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router What is Spread Spec trum? Spread Spectrum technology is a wideband radio frequency tec hnique developed by the militar y for use in reliable , secure , mission-critical communications systems. It is designed to trade off bandwidth efficiency for reliability , in[...]

44 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-B Broa dband Router How do I resolve issues with signal loss? There is no way to know the exact range of your wireless network without testing. Every obstacle placed between the Router and a wireless PC will create signal loss. Lead glass, metal, concrete floors, water and w alls w[...]

45 Appendix B: Wireless Security Security Precautions Wireless-B Broa dband Router Appendix B: Wireless Security Linksys wants to make wir eless networking as safe and easy for you as possible . Th e current generation of Linksys products provide several network security features, but they require specific action on your part for implementation. So[...]

46 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-B Broa dband Router SSID. There are several things to k eep in mind about the SSID: 1. Disable Broadcast 2. Make it unique 3. Change it often Most wireless networking devices will give you the optio n of broadcasting the SSID . While this option may be more conveni[...]

47 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-B Broa dband Router WP A Pre-Shar ed Key . If you do not have a RADIUS server , select the type of algorithm, ente r a password in the Pre-Shared key field of 8-64 characters, and en ter a Group Key Renewal period time between 0 and 99,999 seconds, which instructs [...]

48 Appendix C: Upgradin g Firmware Wireless-B Broa dband Router Appendix C: Upgrading Firmware The Access Point's firmware is upgraded through the Web-Utility's Help tab . Follow these instru ctions: 1. Open Linksys's website at www.linksys.com/international . 2. Select your region, if necessary , and country . 3. Select the Router f[...]

49 Appendi x D: Wind ows Hel p Wireless-B Broa dband Router Appendix D: Windows Help Wireless products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier . These features can be accessed through Windows Help and are described in this appendix. TCP/IP Before[...]

50 Appendix E: Windows 98 or Me Instructions Wireless-B Broa dband Router Appendix E: Finding the MA C Address and IP Address for Y our Ethernet Adapter This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC filtering and/or MAC address cloning feature of the Router . Y ou can also find the [...]

51 Appendix E: For the Router’s Web-based Utility Wireless-B Broa dband Router 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter . This appears as a series of numbers and letters. The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering. The e[...]

52 Appendix F: Glossary Wireless-B Broa dband Router Appendix F: Glossar y 802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz. 802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.[...]

53 Appendix F: Glossary Wireless-B Broa dband Router Buffer - A block of memor y that temporarily holds data to be worked on later when a device is currently too busy to accept the data. Cable Modem - A device that con nects a computer to the cable television network, which in turn connects to the Internet. CSMA/CA (Carrier Sense M ultiple Access/C[...]

54 Appendix F: Glossary Wireless-B Broa dband Router Dynamic IP Address - A temporar y IP address assigned by a DHCP server . Encryption - Encoding data to prevent it from being read by unauthorized people . Ethernet - An IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium. Finger - A [...]

55 Appendix F: Glossary Wireless-B Broa dband Router IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec (Internet Pro tocol Security) - A VPN protocol used to implem ent secure exchange of packets at the IP layer . ISM band - Radio band used in w ireless networking transmissions. ISP (Int[...]

56 Appendix F: Glossary Wireless-B Broa dband Router PPP oE (Point to Point Proto col over Ethernet) - A type of broadband connection that provides authentication (username and password) in addition to data transport. PPTP (Point-to-Point T unneling Protocol) - A VPN protocol that allows the Point to Point Protoco l (PPP) to be tunneled through an [...]

57 Appendix F: Glossary Wireless-B Broa dband Router TCP/IP (T ransmission Control Protocol/Inter net Protocol) - A network protocol fo r transmitting data that requires acknowledgement from the recipient of data sent. Te l n e t - A user command and TCP/IP protocol used for accessing remote PCs. TFTP (T rivial File T ransfer P rotocol) - A version[...]

58 Appendix G: Specification s Wireless-B Broa dband Router Appendix G: Specifications Standards IEEE 802.3, IEEE 802.3u, IEEE 802.11b Channels 11 Channels (US , Canada ), 13 Channels (most of Europ e) 14 Channels (Japan) Ports One 10/100 RJ-45 port fo r Cable/DSL Modem Connection Four 10/100 RJ-45 Switched ports Speed 10/100Mbps (Half Duplex) 20/2[...]

59 Appendix H: Warranty Informat ion Wireless-B Broad band Router Appendix H: W arranty Information Linksys wa rrants to Y ou that, for a peri od of one year (the “ War ranty Period”), yo ur Linksys Prod uct will be substantially f ree of defects in ma terials and workma nship under n ormal use . Y our exclusive r emedy and Link sys' entir[...]

60 Appendix I: Regulato ry Information Wireless-B Broa dband Router Appendix I: Regulator y Information FCC ST A TEMENT This product has been tested and complies with the specification s for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to pr ovide reasonable protection against harmful interference in a r[...]

61 Appendix I: Regulato ry Information Wireless-B Broa dband Router Caution: This equipment is intended to be used in all EU and EFT A countries. Outdoor use may be restricted to certain frequencies and/or may require a license for operation. Contact local Authority for procedure to follow . Note: Combinations of power levels an d antennas result i[...]

62 Appendix J: Contact Informa tion Wireless-B Broad band Router Appendix J: Contact Information Need to contact Linksys? Visit us online for information on the latest pro ducts and updates to your existing products at: http://www .linksys.com/international If you experience problems with any Linksys product, you can e-mail us at: In Europe E-mail [...]