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Genius Products U.S.A. BEFW11S4 User's Manual

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1. 2000 or XP Windows 98 or Me Instructions 1 Click Start and Run In the Open field enter winipcfg Then press the Enter key or the OK button 2 When the P Configuration screen appears select the Ethernet adapter you have connected to the Router via a CAT 5 Ethernet network cable 3 Write down the Adapter Address as shown on your computer screen This is the MAC address for your Ethernet adapter and is shown as a series of numbers and letters The MAC address Adapter Address is what you will use for MAC address cloning or MAC filtering The example in Figure E 3 shows the Ethernet adapter s IP address as 192 168 1 100 Your computer may show something different Note The MAC address is also called the Adapter Address Windows 2000 or XP Instructions 1 Click Start and Run In the Open field enter cmd Press the Enter key or click the OK button 2 Atthe command prompt enter ipconfig all Then press the Enter key zox r Ethemet Adapter Information Linksys LNE100TX Fast Ethernel x Linksys LNE 100TX Fast Ethernet Adi Adapter Adapter Address ppp IP Address 192168 1 45 Subnet Mask 255 255 255 0 Default Gateway 192168 1 254 Cox Release Renew Release All Renew All More Info gt gt Figure E 1 IP Configuration Screen aix f Ethemet Adapter Information Linksys LNE100TX Fast Ethernet Adapter Address lt 00 00 00 00 00 00 gt IPAddress 1921681100 Subn
2. FTP is used for FTP and port 25 SMTP outgoing and port 110 POP3 incoming are used for the mail server You can get more information by viewing the documentation provided with the server you installed e Follow these steps to set up port forwarding through the Router s web based utility We will be setting up web ftp and mail servers 1 Access the Router s web based utility by going to http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming Port Forwarding tab 2 Enter any name you want to use for the Customized Application 3 Enter the External Port range of the service you are using For example if you have a web server you would enter the range 80 to 80 4 Check the protocol you will be using TCP and or UDP 5 Enter the IP address of the PC or network device that you want the port server to go to For example if the web server s Ethernet adapter IP address is 192 168 1 100 you would enter 100 in the field provided Check Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address 6 Check the Enable option for the port services you want to use Consider the example below Customized External Port TCP UDP IP Address Enable Application Web server 80 to 80 X X 192 168 1 100 X FTP server 21 to 21 X 192 168 1 101 X SMTP outgoing 25 to 25 X X 192 168 1 102 X POP3 incoming 110 to 110 X X 192 168 1 102 X When you have completed th
3. Inthe TCP IP properties window select the IP address 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 that each IP address is unique for each PC or network device Click the Gateway tab and in the New Gateway prompt enter 192 168 1 1 which is the default IP address of the Router Click the Add button to accept the entry Click the DNS tab and make sure the DNS Enabled option is selected Enter the Host and Domain names e g John for Host and home for Domain Enter the DNS entry provided by your ISP If your ISP has not provided the DNS IP address contact your ISP to get that information or go to its website for the information Click the OK button in the TCP IP properties window and click Close or the OK button for the Network window Restart the computer when asked e For Windows 2000 1 2 3 Click Start Settings and Control Panel Double click Network and Dial Up Connections Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option In the Components checked are used by this connection box highlight Internet Protocol TCP IP and click the Properties button Select Use the following IP address option Enter a unique IP address that is not used by any other computer on the network connected to the Router Enter the Subnet Mask 255
4. Remote Authentication Dial In User Service utilizes a RADIUS server for authentication and the use of dynamic TKIP AES or WEP A Important Always remember that each device in your wireless network MUST use the same encryption method and encryption key or your wireless network will not function properly Note This Router only provides TKIP encryption for Wi Fi Protected Access WPA 46 WPA Pre Shared Key If you do not have a RADIUS server select the type of algorithm enter a password in the Pre Shared key field of 8 64 characters and enter a Group Key Renewal period time between 0 and 99 999 seconds which instructs the Router how often it should change the encryption keys WPA RADIUS WPA used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router First select the type of WPA algorithm Enter the RADIUS server s IP Address and port number along with a key shared between the Router and the server Last enter a Group Key Renewal period which instructs the Router how often it should change the encryption keys RADIUS WEP used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router First enter the RADIUS server s IP Address and port number along with a key shared between the Router and the server Then select a WEP key and a level of WEP encryption and either generate a WEP key through the Passphrase or
5. Transport Protocol The communications protocol used to connect to servers on the World Wide Web IEEE The Institute of Electrical and Electronics Engineers An independent institute that develops networking standards Infrastructure Currently installed computing and networking equipment Infrastructure Mode Configuration in which a wireless network is bridged to a wired network via an access point IP Internet Protocol A protocol used to send data over a network IP Address The address used to identify a computer or device on a network 54 IPCONFIG A Windows 2000 and XP utility that displays the IP address for a particular networking device IPSec Internet Protocol Security A VPN protocol used to implement secure exchange of packets at the IP layer ISM band Radio band used in wireless networking transmissions ISP Internet Service Provider A company that provides access to the Internet LAN Local Area Network The computers and networking products that make up the network in your home or office MAC Media Access Control Address The unique address that a manufacturer assigns to each networking device Mbps Megabits Per Second One million bits per second a unit of measurement for data transmission Multicasting Sending data to a group of destinations at once NAT Network Address Translation NAT technology translates IP addresses of a local area network to a different IP address for the I
6. WEP Key 2 WEP Key 3 WEP Key 4 amp Enable C Disable RADIUS hd fo m fs 181 1C 2C 3C 4 64 bits 10 hex digits x Generate oon 0000000000 0000000000 0000000000 Figure 5 16 Wireless Tab Radius 17 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 encryption scheme for wireless network transmissions If you are not using a Passphrase then manually enter a set of values Do not leave a key field blank and do not enter all zeroes they are not valid key values If you are using 64 bit WEP encryption the key must be exactly 10 hexadecimal characters in length If you are using 128 bit WEP encryption the key must be exactly 26 hexadecimal characters in length Valid hexadecimal characters are 0 9 and A F WEP WEP is a basic encryption method not as secure as WPA To use WEP select a level of WEP encryption and either generate a WEP key through the Passphrase or select a WEP key and a enter the WEP key manually WEP Encryption Level An acronym for Wired Equivalent Privacy WEP is an encryption method used to protect your wireless data communications WEP uses 64 bit or 128 bit keys to provide access control to your network and encryption security for every data transmission To decode data transmissions all devices in a network mus
7. address to each computer on your network If you choose to enable the Router s DHCP server option you must configure all of your network PCs to connect to a DHCP server the Router and make sure there is no other DHCP server on your network Optional Settings Host Name and Domain Name These fields allow you to supply a host and domain name for the Router Some ISPs require these names as identification You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name In most cases leaving these fields blank will work MTU The MTU Maximum Transmission Unit setting specifies the largest packet size permitted for network transmission Select Enable and enter the value desired It is recommended that you leave this value in the 1200 to 1500 range For most DSL users it is recommended to use the value 1492 By default MTU is set at 1500 when disabled Heart Beat Signal z User Name Password Heart Beat Serve 0 Jo fo 0 io Connect on Demand Max Idle Time S Min C Keep Alive Redial Period 30 Sec Figure 5 8 Heart Beat Signal Connection Type Host Name MTU C Enable Disable Size 1500 LocallP Address 192 168 1 i Subnet Mask 255 255 255 0 z Local DHCP Server Enable C Disable Start IP Address 492468 4 100 ri so 7 Ie 192 168 1100 149 Client Lease Time D minutes 0 means one day Static DNS 1 fo o fo o Static
8. com Once you have anincted the fle recommends that you back up your settings first You can back up your configuration from the Management screen of the Administration tab Upurade mast HOT be interrupted To upgrade your firmware Figure 5 32 Administration Tab Firmware Upgrade Download the firmware from Linksys s website at www linksys com international choose your region country and proceed as directed by the web page Enter the location of the firmware s file or click the Browse button to find the file Then click the Upgrade button to upgrade the firmware For more information about upgrading firmware refer to Appendix C Upgrading Firmware Chapter 5 Configuring the Wireless B Broadband Router 27 The Administration Tab Firmware Upgrade Wireless B Broadband Router The Administration Tab Factory Defaults Click the Yes button to reset all configuration settings to their default values and then click the Save Settings Luin A Division of Cisco Systems ln Veron eon 140 button Any settings you have saved will be lost when the default settings are restored This feature is disabled by default Click the Cancel Changes button to cancel your changes Administration Wireless B Broadband Router mws Factory Defaults Restore Factry veg 8 te Detouts IMPORTANT Restoring the Router s factory default settings will erase all of your settings WEP Encryption Wireless and LAN settings etc a
9. down the backbone As the user moves on the end node s RF transmitter regularly checks the system to determine whether it is in touch with the original access point or whether it should seek a new one When a node no longer receives acknowledgment from its original access point it undertakes a new search Upon finding a new access point it then re registers and the communication process continues What is ISM band The FCC and their counterparts outside of the U S have set aside bandwidth for unlicensed use in the ISM Industrial Scientific and Medical band Spectrum in the vicinity of 2 4 GHz in particular is being made available worldwide This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in the hands of users around the globe 42 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission critical communications systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal that is in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiver is not tuned to the right frequency a spread spectrum signal looks like background noise There are tw
10. for a DHCP connection click the DHCP Release button to release the current IP address of the device connected to the Router s Internet port DHCP Renew Available for a DHCP connection click the DHCP Renew button to replace the current IP address of the device connected to the Router s Internet port with a new IP address Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Chapter 5 Configuring the Wireless B Broadband Router The Status Tab Router Fear Version 1 0 Wireless B Broadband Router Li LES Router Status 29 Wireless B Broadband Router The Status Tab Local Network KSYS A Division of Cisco Systems inc Fiare varsia 140 The Local Network screen on the Status Tab displays the status of your network Wireless Broadband Reuter nerves Status Local MAC Address This is the Router s MAC Address as seen on your local Ethernet network IP Address This shows the Router s IP Address as it appears on your local Ethernet network bear P Adtoss 19216814 Subnet Mask 266 255 2550 Subnet Mask When the Router is using a Subnet Mask it is shown here DHCP Server tmbled DHCP Server If you are using the Router as a DHCP server that will be displayed here DHCP Clio Table DHCP Client Table Clicking this button will open a screen to show you which PCs are utilizing the Router as a DHCP server You ca
11. only forward 10 ranges of ports What are the advanced features of the Router The Router s advanced features include Advanced Wireless settings Filters Port Forwarding Routing and DDNS How do I get mIRC to work with the Router Under the Port Forwarding tab set port forwarding to 113 for the PC on which you are using mIRC Can the Router act as my DHCP server Yes The Router has DHCP server software built in Can I run an application from a remote computer over the wireless network This will depend on whether or not the application is designed to be used over a network Consult the application s documentation to determine if it supports operation over a network What is the IEEE 802 11g standard It is one of the IEEE standards for wireless networks The 802 11g standard allows wireless networking hardware from different manufacturers to communicate provided that the hardware complies with the 802 11g standard The 802 11g standard states a maximum data transfer rate of 54Mbps and an operating frequency of 2 4GHz What IEEE 802 11b features are supported The product supports the following IEEE 802 11b functions e CSMA CA plus Acknowledge protocol 41 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 each other The ad hoc wireless
12. or 128 bit shared key algorithm as described in the IEEE 802 11 standard What is a MAC Address The Media Access Control MAC address is a unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level For all practical purposes this number is usually permanent Unlike IP addresses which can change every time a computer logs onto the network the MAC address of a device stays the same making it a valuable identifier for the network How do I reset the Router Press the Reset button on the back panel for about ten seconds This will reset the Router to its default settings 43 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 walls Will inhibit the signal and reduce range Start with the Router and your wireless PC in the same room and move it away in small increments to determine the maximum range in your environment You may also try using different channels as this may eliminate interference affecting only one channel I have excellent signal strength but cannot see my network WEP is probably enabled on the Router but not on your wireless adapter or vice versa Verify that the same WEP keys and levels 64 or 128 are being u
13. recipients at the same time Select Enabled to support the feature or Disabled to keep the Router from multicasting Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes The Security Tab VPN Passthrough A Divin of Cisco Syrtemt lac Verte Arc 1 10 Use the settings on this tab to allow VPN tunnels in either IPSec or PPTP protocols to pass through the Router s DRE nme Security firewall IPSec Passthrough IPSec Passthrough Internet Protocol Security IPSec is a suite of protocols used to implement secure exchange sans PPTP Passhrough of packets at the IP layer To allow IPSec tunnels to pass through the Router click the radio button beside Enabled IPSec Passthrough is enabled by default Click Disabled to disable the function PSecPasstroug 9 Enabled Disabled PIRE Passttrough 9 Enabled Disabled PPIP Posteur 9 Enabled Disabled PPPoE Passthrough Point to Point Protocol over Ethernet allows your PC s to use the PPPoE client software provided by your ISP Some ISPs may request that you use this feature To allow allow PPPoE Passthrough click the radio button beside Enabled PPTP Passthrough is enabled by default Click Disabled to disable the function PPTP Passthrough Point to Point Tunneling Protocol is the method used to enable VPN sessions to a Windows NT 4 0 or 2000 server To allow PPTP tunnels to pass through the Route
14. registered with your ISP to the Router with the MAC Address Clone feature MAC Clone Service To have the MAC Address cloned select Enable from the drop down menu otherwise leave it on the default Disable MAC Address Enter the MAC Address registered with your ISP here Click the Clone button to clone the MAC address Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Chapter 5 Configuring the Wireless B Broadband Router The Setup Tab MAC Address Clone Wireless B Broadband Router MAC Gone Service Deseble macase T 8 7 Go S7 57 Leone Figure 5 10 Setup Tab MAC Address Clone Parme Version 1 uerwrisa 14 Wireless B Broadband Router The Setup Tab Advanced Routing LINKSYS A Division of Cre Systems ine Femasre Version 140 This tab is used to set up the Router s advanced functions Dynamic Routing will automatically adjust how packets WireleseH Brosdbamd Rouler acrwsse travel on your network Static Routing sets up a fixed route to another network destination Setup NAT Network Address Translation NAT technology translates IP addresses of a local area network to a different IP address for the Internet To enable the NAT function click Enable tnabie C oie Trend RO Dissbed heroe Disabled Re e ntn Disebled Dynamic Routing Dynamic Routing With Dynam
15. 255 255 0 Enter the Default Gateway 192 168 1 1 Router s default IP address 31 8 9 e For Toward the bottom of the window select Use the following DNS server addresses and enter the Preferred DNS server and Alternative DNS server provided by your ISP Contact your ISP or go on its website to find the information Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window Restart the computer if asked Windows XP The following instructions assume you are running Windows XP with the default interface If you are using the Classic interface where the icons and menus look like previous Windows versions please follow the instructions for Windows 2000 1 2 3 4 2 I want Click Start and Control Panel Click the Network and Internet Connections icon and then the Network Connections icon Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option In the This connection uses the following items box highlight Internet Protocol TCP IP Click the Properties button Enter a unique IP address that is not used by any other computer on the network connected to the Router Enter the Subnet Mask 255 255 255 0 Enter the Default Gateway 192 168 1 1 Router s default IP address Toward the bottom of the window select Use the following DNS server add
16. DNS 2 p fo fo fo steticonss o o o fo Figure 5 9 Optional Settings 12 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 default value is 255 255 255 0 Network Address Server Settings DHCP A Dynamic Host Configuration Protocol DHCP server automatically assigns an IP address to each PC on your network for you Unless you already have one it is highly recommended that you leave the Router enabled as a DHCP server Local DHCP Server DHCP is already enabled by factory default If you already have a DHCP server on your network set the Router s DHCP option to Disable If you disable DHCP remember to assign a static IP address to the Router Start IP Address Enter a value for the DHCP server to start with when issuing IP addresses This value must be 192 168 1 2 or greater because the default IP address for the Router is 192 168 1 1 Number of Address Optional Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to This number cannot be greater than 253 In order to determine the DHCP IP Address range add the starting IP address e g 100 to the number of DHCP users By default add 100 to 50 and the range is 192 168 1 100 to 192 168 1 149 DHCP Address Range The range of DHCP addresses is displayed here Clie
17. LINKSYS A Division of Cisco Systems Inc I Cisco SYSTEMS Model No BEFW11S4 Copyright and Trademarks Specifications are subject to change without notice Linksys is a registered trademark 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 trademarks or registered trademarks of their respective holders WARNING This product contains chemicals including lead known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling How to Use this User Guide This User Gudie has been designed to make understanding networking with the Wireless B Broadband Router easier than ever Look for the following items when reading this User Guide This checkmark means there is a note of interest and is something you should pay special attention to while using the Wireless B Broadband Router could damage your property or the Wireless B Broadband Router This question mark provides you with a reminder about something you might need to do while using the Wireless B Broadband Router t This exclamation point means there is a caution or warning and is something that In addition to these symbols there are definitions for technical terms that are presented like this word definition Also each figure diagram screenshot or other i
18. Router s numbered ports with a standard Ethernet network cable IMPORTANT Make sure to use the power adapter N that is supplied with the Router Use of a different power adapter could damage the Router 5 Connect the AC Power Adapter to the Broadband Router s Power Socket and the other end into an electrical outlet Only use the power adapter supplied with the Broadband Router Use of a different adapter may result Figure 4 2 Connecting Your Network Devices in product damage Now that the Router is connected proceed to Chapter 5 Configuring the Wireless B Broadband Router for directions on how to set up and configure the Router Figure 4 3 Connecting the Power Overview The Broadband Router has been designed to be functional right out of the box with the default settings in the Setup Wizard However if you d like to change these settings use the Router s web based utility This chapter will describe each web page in the Utility and each page s key functions The utility can be accessed via your web browser through use of a computer connected to the Router For a basic network setup most users only have to use the following screens of the Utility e Basic Setup On the Basic Setup screen enter the settings provided by your ISP e Management Click the Administration tab and then the Management tab The Router s default password is admin To secure the Router change the Password from its default There are six m
19. Wireless Security Security Precautions Security Threats Facing Wireless Networks Appendix C Upgrading Firmware Appendix D Windows Help Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Windows 2000 or XP Instructions For the Router s Web based Utility Appendix F Glossary Appendix G Specifications Appendix H Warranty Information Appendix I Regulatory Information Appendix J Contact Information 31 31 38 45 45 45 48 49 50 50 50 51 52 58 59 60 62 List of Figures Figure 3 1 The Broadband Router s Back Panel Figure 3 2 The Broadband Router s Front Panel Figure 4 1 Connecting Your Internet Connection Figure 4 2 Connecting Your Network Devices Figure 4 3 Connecting the Power Figure 5 1 Password Screen Figure 5 2 Setup Tab Basic Setup Figure 5 3 DHCP Connection Type Figure 5 4 Static IP Connection Type Figure 5 5 PPPoE Connection Type Figure 5 6 RAS Connection Type Figure 5 7 PPTP Connection Type Figure 5 8 Heart Beat Signal Connection Type Figure 5 9 Optional Settings Figure 5 10 Setup Tab MAC Address Clone Figure 5 11 Setup Tab Advanced Routing Figure 5 12 Setup Tab Routing Table Figure 5 13 Wireless Tab Basic Wireless Settings Figure 5 14 WPA Pre Shared Key Figure 5 15 WPA Radius Figure 5 16 Wireless Tab Radius Figure 5 17 Wireless Tab WEP Figure 5 18 Wireless Tab Wireless Network Access Figure 5 19 W
20. ab Disable or remove the entries you have entered for forwarding Keep this information in case you want to use it at a later time Go to the Applications amp Gaming gt DMZ tab Select Enable next to DMZ In the DMZ Host IP Address field enter the IP address of the computer you want exposed to the Internet This will bypass the NAT technology for that computer Please refer to Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address e Once completed with the configuration click the Apply button 10 1 forgot my password or the password prompt always appears when I am saving settings to the Router 35 e 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 when saving settings then perform the following steps 1 Access the Router s web based utility by going to http 192 168 1 1 or the IP address of the Router Enter the default password admin and click the Administrations gt Management tab 2 Enter a different password in the Router Password field and enter the same password in the second field to confirm the password 3 Click the Save Settings button 11 1 am a PPPoE user and I need to remove the proxy settings or the dial up pop up window If you have proxy settings you need to disable these on your computer Because the Router is the gateway for the Internet connec
21. ace 192 168 1 0 255 255 255 0 0 0 0 0 1 LAN Destination IP Address The Destination LAN IP is the address of the remote network or host to which you want to assign a static route Subnet Mask The Subnet Mask determines which portion of a Destination LAN IP address is the network portion and which portion is the host portion Gateway This is the IP address of the gateway device that allows for contact between the Router and the remote network or host Figure 5 12 Setup Tab Routing Table Hop Count This determines the maximum number of steps between network nodes that data packets will travel A node is any router in the path to the remote network Interface This interface tells you whether the Destination IP Address is on the Local Ethernet and wireless networks or the Internet Router Click the Show Routing Table button to view the Static Routes you ve already set up For each route the Destination IP address Subnet Mask Gateway and Interface are displayed Click the Refresh button to update the information Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes The Wireless Tab Basic Wireless Settings The basic settings for wireless networking are set on this screen Wireless Network Name SSID The SSID is the network name shared among all points in a wireless network The SSID must be identical for all points in the wireless
22. ain tabs Setup Wireless Security Applications amp Gaming Administration and Status Additional tabs will be available after you click one of the main tabs To access the web based utility launch Internet Explorer or Netscape Navigator and enter the Router s default IP address 192 168 1 1 in the Address field Then press Enter A password request page will appear Users of other versions of Windows will see a similar screen Leave the User Name field blank The first time you open the Web Based Utility use the default password admin You can set a new password from the Administration tab s Management screen Then click the OK button provided solely for those who wish to perform more advanced configuration or monitoring Have You Enabled TCP IP on your PCs PCs A communicate over the network with this protocol Refer to Appendix D Windows Help for more information on TCP IP Connect to 192 168 1 1 2 x 7 mdi Linksys BEFW11S4 User name e Password Remember my password ca Figure 5 1 Password Screen Note The Router is designed to function properly after connecting the Router to your network This chapter is The Setup Tab Basic Setup SIT Wireles B Broadband Router werwiist The first screen that appears displays the Setup tab This allows you to change the Broadband Router s general settings Change these settings as described here and click the Save Setting
23. al Period field you specify how often you want the Router User Name to check the Internet connection The default Redial Period is 30 seconds Password mm m Connect on Demand Max Idle Time 5 Min RAS for SingTel Users C Keep Alive Redial Period 30 Sec RAS is a service used in Singapore only If you are using a RAS connection check with your ISP for the required I sorts ISP Host Name necessary setup information Domain Name MTU C Enable Disable Size 1500 PPTP Point to Point Tunneling Protocol PPTP is a service that applies to connections in Europe only Figure 5 5 PPPoE Connection Type IP Address This is the Router s IP address as seen from the Internet Your ISP will provide you with the IP Adress you need Wy epecity hata Static ip address a fixed address assigned to a Subnet Mask This is the Router s Subnet Mask as seen by users on the Internet including your ISP Your ISP computer or device connected to a network will provide you with the Subnet Mask Default Gateway Your ISP will provide you with the Default Gateway Address aca tme RAS er SingTel M User Name User Name and Password Enter the User Name and Password provided by your ISP Password cooccoccococcoce RAS Plan 512k Ethernet gt Connect on Demand Max Idle Time You can configure the Router to cut the Internet connection after it has Connect on Demand Max Idle Time 5 Min been inactive for a specified period of time Max Idle Tim
24. at is the maximum number of IP addresses that the Router will support The Router will support up to 253 IP addresses Is IPSec Pass Through supported by the Router Yes it is a built in feature that the Router automatically enables Where is the Router installed on the network In a typical environment the Router is installed between the cable DSL modem and the LAN Plug the Router into the cable DSL modem s Ethernet port Does the Router support IPX or AppleTalk No TCP IP is the only protocol standard for the Internet and has become the global standard for communications IPX a NetWare communications protocol used only to route messages from one node to another and AppleTalk a communications protocol used on Apple and Macintosh networks can be used for LAN to LAN connections but those protocols cannot connect from the Internet to a LAN 38 Does the Internet connection of the Router support 100Mbps Ethernet The Router s current hardware design supports up to 100Mbps Ethernet on its Internet port however the Internet connection speed will vary depending on the speed of your broadband connection The Router also supports 100Mbps over the auto sensing Fast Ethernet 10 100 switch on the LAN side of the Router What is Network Address Translation and what is it used for Network Address Translation NAT translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet This adds a level of sec
25. ation This equipment generates uses and can radiate radio frequency energy and if not installed and used according to the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment or devices e Connect the equipment to an outlet other than the receiver s e Consult a dealer or an experienced radio TV technician for assistance FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator and your body INDUSTRY CANADA CANADA This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada The use of this device in a system operating either partially or completely outdoors may require the user to obtain a license for the system according to the Canadian regulations EC DECLARATION OF CONFORMITY EUROPE Linksys declares that the Wireless B Broadband Router conforms t
26. cation e Start Port and End Port Enter the starting and ending Triggered Range numbers and the Forwarded Range numbers of the port you wish to forward When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes The Applications and Gaming Tab UPnP Forwarding UPnP Forwarding The UPnP Forwarding screen provides options for customization of port services for common applications When users send this type of request to your network via the Internet the Gateway will forward those requests to the appropriate computer Any computer whose port is being forwarded should have its DHCP client function disabled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function Choose or enter the Application in the field Then enter the External and Internal Port numbers in the fields Select the type of protocol you wish to use for each application TCP or UDP Enter the IP Address in the field Click Enabled to enable UPnP Forwarding for the chosen application When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes Chapter 5 Configuring the Wireless B Broadband Router The Applications and Gaming Tab Port Triggering LINKSYS A Ovason of Caco Systems ne Fermar Venen 140 Wireless B B
27. cess Collision Avoidance A method of data transfer that is used to prevent data loss in a network CTS Clear To Send A signal sent by a device to indicate that it is ready to receive data Daisy Chain A method used to connect devices in a series one after the other Database A collection of data that is organized so that its contents can easily be accessed managed and updated DDNS Dynamic Domain Name System The capability of having a website FTP or e mail server with a dynamic IP address use a fixed domain name Default Gateway A device that forwards Internet traffic from your local area network DHCP Dynamic Host Configuration Protocol A protocol that lets one device on a local network known as a DHCP server assign temporary IP addresses to the other network devices typically computers DMZ Demilitarized Zone Removes the Router s firewall protection from one PC allowing it to be seen from the Internet DNS Domain Name Server The IP address of your ISP s server which translates the names of websites into IP addresses Domain A specific name for a network of computers Download To receive a file transmitted over a network DSL Digital Subscriber Line An always on broadband connection over traditional phone lines DSSS Direct Sequence Spread Spectrum A type of radio transmission technology that includes a redundant bit pattern to lessen the probability of data lost during transmission Us
28. defective during the Warranty Period call Linksys Technical Support in order to obtain a Return Authorization Number if applicable BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING If You are requested to return the Product mark the Return Authorization Number clearly on the outside of the package and include a copy of your original proof of purchase RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE You are responsible for shipping defective Products to Linksys Linksys pays for UPS Ground shipping from Linksys back to You only Customers located outside of the United States of America and Canada are responsible for all shipping and handling charges ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THE WARRANTY PERIOD ALL OTHER EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to You This warranty gives You specific legal rights and You may also have other rights which vary by jurisdiction This warranty does not apply if the Product a has been altered except by Linksys b has not been installed operated repaired or maintained in accordance with instructions supplied by Linksys or c has been subjected to abnormal physical or electrical stress m
29. e If your Internet connection has been terminated C Keep Alves Redial Period 30 ee due to inactivity Connect on Demand enables the Router to automatically re establish your connection as Optional Settings am H H H M required by some ISPs soon as you attempt to access the Internet again If you wish to activate this option click the radio button MEET i Danais Nae next to Connect on Demand In the Max Idle Time field enter the number of minutes you want to have MTU C Enable Disable Size 1500 elapsed before your Internet connection terminates Figure 5 6 RAS Connection Type Keep Alive Redial Period If you select this option the Router will periodically check your Internet connection If you are disconnected then the Router will automatically re establish your connection To use this option click the radio button next to Keep Alive In the Redial Period field you specify how often you rae Feb want the Router to check the Internet connection The default Redial Period is 30 seconds subnet Mask 255 258 255 0 Defaut Gateway 0 fo 0 0 Heart Beat Signal is a service used in Australia only If you are using a Heart Beat Signal connection check User Name with your ISP for the necessary setup information Password esssssssssssssss Connect on Demand Max Idle Time 5 Min C Keep Alive Redial Period 30 Sec Figure 5 7 PPTP Connection Type 11 Optional Settings Required by some ISPs Some of thes
30. e 12 digit MAC address you want to filter Click Apply to save the changes or Undo to undo the changes For information on obtaining a MAC address go to Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapter Block WAN Requests Enable the Block WAN Request feature by checking the radio button beside Block Anonymous Internet Requests and you can prevent your network from being pinged or detected by other Internet users Click Disabled it you want to allow anonymous Internet requests The Block WAN Request feature also reinforces your network security by hiding your network ports Both functions of the Block WAN Request A Dis ef Oses Systems In Security Hier IP Address Range t wes 7 0 wenns 7 CE x wives TT e waaa 0 s wes 7 5 ERIS Port Range ns 31515 Jii ES Edt MAC Pitter Seting Block WAN Requests Block Anonymous Irene Requests Enabled C Disabled Fite Macot C Enabled Disabled Figure 5 21 Security Tab Filter Mac Access Control Table Microsoft Internet Filtered MAC Address 1 10 J mac 1 mac 2 mac 3 mac 4 mac 5 mac 6 mac 7 mac 8 mac 9 mac 10 Apply Undo Figure 5 22 Security Tab MAC Filter 21 feature make it more difficult for outside users to work their way into your network This feature is enabled by default Filter Multicast This feature allows for multiple transmissions to specific
31. e configuration click the Save Settings button I need to set up online game hosting or use other Internet applications If you want to play online games or use Internet applications most will work without doing any port forwarding or DMZ hosting There may be cases when you want to host an online game or Internet application This would require you to set up the Router to deliver incoming packets or data to a specific computer This also applies to the Internet applications you are using The best way to get the information on what port services to use is to go to the website of the online game or application you want to use Follow these steps to set up online game hosting or use a certain Internet application 1 Access the Router s web interface by going to http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Forwarding tab 2 Enter any name you want to use for the Customized Application 34 3 Enter the External Port range of the service you are using For example if you want to host Unreal Tournament 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 network device that you want the port server to go to For example if the web server s Ethernet adapter IP address is 192 168 1 100 you would enter 100 in the field provided Check Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapt
32. e settings may be required by your ISP Verify with your ISP before making any changes Internet Setup Internet Connection Type Host Name Domain Name These fields allow you to supply a host and domain name for the Router Some ISPs usually cable ISPs require these names as identification You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name In most cases leaving these fields blank will work MTU MTU is the Maximum Transmission Unit It specifies the largest packet size permitted for Internet transmission The default setting Enable allows you to enter the largest packet size that will be transmitted The recommended size entered in the Size field is 1492 You should leave this value in the 1200 to 1500 range To have the Router automatically select the best MTU for your Internet connection select Disable required by some ISPs The Network Setup section changes the settings on the network connected to the Router s Ethernet ports Wireless Setup is performed through the Wireless tab Router IP Router IP This presents both the Router s IP Address and Subnet Mask as seen by your network Network Address Server Settings DHCP server Settings ICP The settings allow you to configure the Router s Dynamic Host Configuration Protocol DHCP server function The Router can be used as a DHCP server for your network A DHCP server automatically assigns an IP
33. ed in 802 11b networking DTIM Delivery Traffic Indication Message A message included in data packets that can increase wireless efficiency 93 Dynamic IP Address A temporary 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 program that tells you the name associated with an e mail address Firewall Security measures that protect the resources of a local network from intruders Firmware 1 In network devices the programming that runs the device 2 Programming loaded into read only memory ROM or programmable read only memory PROM that cannot be altered by end users Fragmentation Breaking a packet into smaller units when transmitting over a network medium that cannot support the original size of the packet FTP File Transfer Protocol A standard protocol for sending files between computers over a TCP IP network and the Internet Full Duplex The ability of a networking device to receive and transmit data simultaneously Gateway A system that interconnects networks Half Duplex Data transmission that can occur in two directions over a single line but only one direction at a time Hardware The physical aspect of computers telecommunications and other information technology devices HTTP HyperText
34. els offer higher levels of security but due to the complexity of the encryption they may decrease network performance To enable WEP select 64 bits 10 hex digits or 128 bits 26 hex digits To disable WEP encryption keep the default setting No Encryption e Passphrase Instead of manually entering WEP keys you can enter a passphrase This passphrase is used to generate one or more WEP keys It is case sensitive and should not be longer than 31 alphanumeric characters This Passphrase function is compatible with Linksys wireless products only and cannot be used with Windows XP Zero Configuration If you want to communicate with non Linksys wireless products or Windows XP Zero Configuration make a note of the WEP key generated in the Key 1 field and enter it manually in the wireless client After you enter the Passphrase click the Generate button to create WEP keys A Dision of Caco System ic Wireless Vimar are 1 2 Wireless E Broadband Router LZ Figure 5 14 WPA Pre Shared Key Wireless Security Wireless Security Security Mode WPA Algorithms RADIUS Server Address RADIUS Port WPA Shared Key Group Key Renewal t Enable C Disable WPA RADIUS TKIP x p fo fo fo 181 600 1 3 seconds Figure 5 15 WPA Radius Wireless Security Wireless Security Security Mode RADIUS Server Address RADIUS Port WPA Shared Key Default Key Wireless Encryption Level Passphrase WEP Key 1
35. enter the WEP key manually Implementing encryption may have a negative impact on your network s performance but if you are transmitting sensitive data over your network encryption should be used These security recommendations should help keep your mind at ease while you are enjoying the most flexible and convenient technology Linksys has to offer 47 Wireless B Broadband Router The Access Point s firmware is upgraded through the Web Utility s Help tab Follow these instructions 1 2 3 4 Open Linksys s website at www linksys com international Select your region if necessary and country Select the Router from the Products tab Download the firmware from this screen Go to the Firmware Upgrade screen from the Web Utility s Administration tab and the Upgrade Firmware screen will appear Enter the location of the firmware s file or click the Browse button to find the file Then click the Upgrade button to upgrade the firmware Appendix C Upgrading Firmware LINKSYS A Division of Casco Systems Inc Administration Upgrade Firmware d Wireless B Broadband Router LLL Peace select a fhe to upate Drome Warning Upgrading firmware may tate few minutes pioase dont han Off the prreeer cr gets re rorat tto Upgrade must WOT be interrupted Figure C 1 Upgrade Firmware Upgrading Upgrade the firmware to get m 48 Wireless products require Microsoft Windows Windows i
36. er for details on getting an IP address 6 Check the Enable option for the port services you want to use Consider the example below Customized External Port TCP UDP IP Address Enable Application UT 7777 to 27900 X 192 168 1 100 Halflife 27015 to 27015 X 192 168 1 105 PC Anywhere 5631 to 5631 VPN IPSEC 500 to 500 192 168 1 102 192 168 1 100 gt x lt gt x x x X X X X When you have completed the configuration click the Save Settings button 9 I can t get the Internet game server or application to work If you are having difficulties getting any Internet game server or application to function properly consider exposing one PC to the Internet using DeMilitarized Zone DMZ hosting This option is available when an application requires too many ports or when you are not sure which port services to use Make sure you disable all the forwarding entries if you want to successfully use DMZ hosting since forwarding has priority over DMZ hosting In other words data that enters the Router will be checked first by the forwarding settings If the port number that the data enters from does not have port forwarding then the Router will send the data to whichever PC or network device you set for DMZ hosting e Follow these steps to set DMZ hosting 1 2 3 4 Access the Router s web based utility by going to http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Forwarding t
37. et Mask 255 255 255 0 Default Gateway 192168 1 1 OK Release Renew Release All Renew All More Info Figure E 2 MAC Address Adapter Address 50 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 Note The MAC address is also called the Physical Address The example in Figure E 3 shows the Ethernet adapter s IP address as 192 168 1 100 Your computer may show something different For the Router s Web based Utility The MAC Address Clone screen is located on the Setup tab MAC Clone Service To enable the function so you can clone a MAC address select Enable from the drop down list For MAC address cloning enter the 12 digit MAC address in the MAC Address fields provided two digits per field Figure E 3 MAC Address Physical Address Figure E 4 MAC Address Clone 51 Appendix F Glossary 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 802 119 An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps an operating freque
38. guring the Wireless B Broadband Router for details on Internet connection settings Make sure you have the right cable Check to see if the Internet column has a solidly lit Link Act LED Make sure the cable connecting from your cable or DSL modem is connected to the Router s Internet port Verify that the Status page of the Router s web based utility shows a valid IP address from your ISP Turn off the computer Router and cable DSL modem Wait 30 seconds and then turn on the Router cable DSL modem and computer Check the Status tab of the Router s web based utility to see if you get an IP address 6 lam not able to access the Setup page of the Router s web based ulility e Refer to Problem 2 want to test my Internet connection to verify that your computer is properly connected to the Router 1 2 3 Refer to Appendix E Finding the MAC Address and IP address for Your Ethernet Adapter to verify that your computer has an IP Address Subnet Mask Gateway and DNS Set a static IP address on your system refer to Problem 1 need to set a static IP address Refer to Problem 10 need to remove the proxy settings or the dial up pop up window for PPPoE users 33 7 I need to set up a server behind my Router and make it available to the public To use a server 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
39. he LED keeps flashing after this time the device is not working properly Try to flash the firmware by assigning a static IP address to the computer and then upgrade the firmware Try using the following settings IP Address 192 168 1 50 and Subnet Mask 255 255 255 0 18 When I enter a URL or IP address 1 get a time out error or am prompted to retry e Check if other PCs work If they do ensure that your workstation s IP settings are correct IP Address Subnet Mask Default Gateway and DNS Restart the computer that is having a problem e Ifthe PCs are configured correctly but still not working check the Router Ensure that it is connected and powered on Connect to it and check its settings If you cannot connect to it check the LAN and power connections e If the Router is configured correctly check your Internet connection DSL cable modem etc to see if it is working correctly You can remove the Router to verify a direct connection e Manually configure the TCP IP settings with a DNS address provided by your ISP e Make sure that your browser is set to connect directly and that any dial up is disabled For Internet Explorer click Tools Internet Options and then the Connection tab Make sure that Internet Explorer is set to Never dial a connection For Netscape Navigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet Frequently Asked Questions Wh
40. he Linksys website at www linksys com international for more information about products that work with the Wireless B Broadband Router The Back Panel The Broadband Router s ports where the cables are connected are located on the back panel Internet Important Resetting the Broadband Router will erase all of your settings WEP Encryption Wireless and LAN settings etc and replace them with the factory defaults Do not reset Figure 3 1 The Broadband Router s Back Panel Reset Button There are two ways to reset the Broadband Router s factory defaults Either press the Reset Button for approximately ten seconds or restore the defaults from the Password tab in the Web based Utility the Broadband Router if you want to retain these settings Internet The Internet port is where you will connect your broadband Internet connection 1 2 3 4 These ports 1 2 3 4 connect the Broadband Router to your networked PCs and other Ethernet network devices Power The Power port is where you will connect the power adapter Wireless B Broadband Router The Front Panel The Router s LEDs where information about network activity is displayed are located on the front panel Cisco SYSTEMS Wireless B Broadband Router Co EME Figure 3 2 The Broadband Router s Front Panel Power Green The Power LED lights up and will stay on while the Router is powered on When the Router goes through its self diagnosis mode during eve
41. hed making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes mcm TON ce Wireless Chont MAC List Figure 5 18 Wireless Tab Wireless Network Access Networked Computers Refresh ComputerName IP Address MAC Address Select Computer 192 168 1 101 00 06 25 3B 61 64 r Select Close Figure 5 19 Wireless Tab Wireless Client MAC List Chapter 5 Configuring the Wireless B Broadband Router 19 The Wireless Tab Wireless Network Access The Wireless Tab Advanced Wireless Settings This tab is used to set up the Router s advanced wireless functions These settings should only be adjusted by an expert administrator as incorrect settings can reduce wireless performance Basic Rate The Basic Rate setting is not actually one rate of transmission but a series of rates advertising to the other wireless points in your network at what rates the Router can transmit At the default setting the Router will advertise that it will Automatically select the best rate for transmission Other options of rates to advertise are 1 2Mbps for use with older wireless technology and All when you wish to make all rates advertised The Basic Rate is not the rate transmitted that is the Transmission Rate Control Tx Rates The default transmission rate is Auto The range is from 1 to 54Mbps The rate of data transmission should be set depending on the speed of your
42. ic Routing you can enable the Gateway to automatically adjust to physical changes in the network s layout The Gateway using the RIP protocol determines the network packets route Static Routing Select Ertry based on the fewest number of hops between the source and the destination The RIP protocol regularly a CR 5 R 5 broadcasts routing information to other Gateways on the network To enable RIP click Enabled To disable RIP swa ORGE Gateway fo m LE click Disabled noce terface Loco z e Transmit RIP Version To transmit RIP messages select the protocol you want RIP1 RIP1 Compatible or RIP2 If you don t want to transmit RIP messages select None Save Settings Cancel Changes e Receive RIP Version To receive RIP messages select the protocol you want RIP1 or RIP2 If you don t want to receive RIP messages select None Figure 5 11 Setup Tab Advanced Routing Static Routing To set up a static route between the Router and another network select a number from the Select Entry drop down list A static route is a pre determined pathway that network information must travel to reach a specific host or network Enter the information described below to set up a new static route Clicking the Delete Entry will delete a static route Routing Table Microsoft Internet Explorer q nl Refresh Routing Table Entry List Refresh Destination LAN IP Subnet Mask Default Gateway Hop Count Interf
43. ireless Tab Wireless Client MAC List Figure 5 20 Wireless Tab Advanced Wireless Settings Figure 5 21 Security Tab Filter Figure 5 22 Security Tab MAC Filter Figure 5 23 Security Tab VPN Passthrough Figure 5 24 Applications and Gaming Tab Port Range Forwarding Figure 5 25 Applications and Gaming Port Triggering Figure 5 26 Applications and Gaming UPnP Forwarding Figure 5 27 Applications and Gaming DMZ Figure 5 28 Administration Tab Management Figure 5 29 Backup amp Restore Figure 5 30 Administration Tab Log Figure 5 31 Log Table Figure 5 32 Administration Tab Firmware Upgrade Figure 5 33 Administration Tab Factory Defaults Figure 5 34 Status Tab Router Figure 5 35 Status Tab Local Network Figure 5 36 Status Tab DHCP Active IP Table Figure C 1 Upgrade Firmware Figure E 1 IP Configuration Screen Figure E 2 MAC Address Adapter Address Figure E 3 MAC Address Physical Address Figure E 4 MAC Address Clone Chapter 1 Introduction Welcome 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 computers in your household can share the Internet all at the same time You can connect your home computers directly to the Router with Ethernet cables or put wireless network adapters in them and communicate over
44. isuse negligence or accident In addition due to the continual development of new techniques for intruding upon and attacking networks Linksys does not warrant that the Product will be free of vulnerability to intrusion or attack TO THE EXTENT NOT PROHIBITED BY LAW IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA REVENUE OR PROFIT OR FOR SPECIAL INDIRECT CONSEQUENTIAL INCIDENTAL OR PUNITIVE DAMAGES REGARDLESS OF THE THEORY OF LIABILITY INCLUDING NEGLIGENCE ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT INCLUDING ANY SOFTWARE EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL LINKSYS LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT The foregoing limitations will apply even if any warranty or remedy provided under this Agreement fails of its essential purpose Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to You This Warranty is valid and may be processed only in the country of purchase Please direct all inquiries to Linksys P 0 Box 18558 Irvine CA 92623 59 Appendix I Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential install
45. ix F Glossary This appendix gives a brief glossary of terms frequently used in networking 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 Information This appendix supplies the regulatory information regarding the Router Appendix J Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support Chapter 2 Planning your Wireless Network Network Topology A wireless LAN is a group of computers each equipped with one Linksys wireless adapter Computers in a wireless LAN must be configured to share the same radio channel LAN the computers and networking products that make up your local The Linksys wireless adapters provide access to a wired LAN for wireless workstations An integrated wireless network and wired LAN is called an infrastructure configuration A group of Linksys wireless adapter users and a Wireless B Broadband Router compose a Basic Service Set BSS Each Linksys wireless adapter PC in a BSS can talk to any computer in a wired LAN infrastructure via the Wireless B Broadband Router An infrastructure configuration extends the accessibility of a Linksys wireless adapter PC to a wired LAN and doubles the effective wireless transmission range for two Linksys wireless adapter PCs Since the Wi
46. key e If you get a reply the computer is connected to the Router e If you do NOT get a reply try the ping command from a different computer to verify that your original computer is not the cause of the problem In the command prompt type ping www yahoo com and press the Enter key e If you get a reply the computer is connected to the Internet If you cannot open a webpage try the ping command from a different computer to verify that your original computer is not the cause of the problem e If you do NOT get a reply there may be a problem with the connection Try the ping command from a different computer to verify that your original computer is not the cause of the problem 5 lam not getting an IP address on the Internet with my Internet connection e Refer to Problem 2 want to test my Internet connection to verify that you have connectivity 1 If you need to register the MAC address of your Ethernet adapter with your ISP please see Appendix E Finding the MAC address and IP Address for Your Ethernet Adapter If you need to clone the MAC address of your Ethernet adapter onto the Router see the System section of Chapter 5 Configuring the Wireless B Broadband Router for details Make sure you are using the right Internet connection settings Contact your ISP to see if your Internet connection type is DHCP Static IP Address or PPPoE commonly used by DSL consumers Please refer to the Setup section of Chapter 5 Confi
47. mage is provided with a figure number and description like this Figure 0 1 Sample Figure Description Figure numbers and descriptions can also be found in the List of Figures section in the Table of Contents BEFW11S4 v4 UG 41011E KL Table of Contents Chapter 1 Introduction Welcome What s in this Guide Chapter 2 Planning your Wireless Network Network Topology Roaming Network Layout Chapter 3 Getting to Know the Wireless B Broadband Router The Back Panel The Front Panel Chapter 4 Connecting the Wireless B Broadband Router Hardware Installation Chapter 5 Configuring the Wireless B Broadband Router Overview The Setup Tab Basic Setup The Setup Tab MAC Address Clone The Setup Tab Advanced Routing The Wireless Tab Basic Wireless Settings The Wireless Tab Wireless Security The Wireless Tab Wireless Network Access The Wireless Tab Advanced Wireless Settings The Security Tab VPN Passthrough The Applications and Gaming Tab Port Range Forwarding The Applications and Gaming Tab Port Triggering The Applications and Gaming Tab UPnP Forwarding The Applications and Gaming Tab DMZ The Administration Tab Management The Administration Tab Log The Administration Tab Firmware Upgrade The Administration Tab Factory Defaults The Status Tab Router The Status Tab Local Network co Duo Ou i Bb PNY Appendix A Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B
48. n delete PCs from that list and sever their connections by checking a Delete box and clicking the Delete button Click the Refresh button to refresh the screen Figure 5 35 Status Tab Local Network ries A Refresh DHCP Active IP Table Refresh DHCP Server IP Address 192 168 1 1 Client Hostname IP Address MAC Address Interface None None None None Figure 5 36 Status Tab DHCP Active IP Table Chapter 5 Configuring the Wireless B Broadband Router 30 The Status Tab Local Network Appendix A Troubleshooting This appendix consists of two parts Common Problems and Solutions and Frequently Asked Questions Provided are possible solutions to problems that may occur during the installation and operation of the Router Read the descriptions below to help you solve your problems If you can t find an answer here check the Linksys website at www linksys com Common Problems and Solutions 1 need to set a static IP address on a PC You can assign a static IP address to a PC by performing the following steps e For Windows 98 and Me 1 2 6 7 Click Start Settings and Control Panel Double click Network In The following network components are installed box select the TCP IP gt associated with your Ethernet adapter If you only have one Ethernet adapter installed you will only see one TCP IP line with no association to an Ethernet adapter Highlight it and click the Properties button
49. ncy of 2 4GHz and backward compatibility with 802 11b devices Access Point Device that allows wireless equipped computers and other devices to communicate with a wired network Also used to expand the range of a wireless network Adapter This is a device that adds network functionality to your PC Ad hoc A group of wireless devices communicating directly with each other peer to peer without the use of an access point Backbone The part of a network that connects most of the systems and networks together and handles the most data Bandwidth The transmission capacity of a given device or network Beacon Interval The frequency interval of the beacon which is a packet broadcast by a router to synchronize a wireless network Bit A binary digit Boot To start a device and cause it to start executing instructions Bridge A device that connects two different kinds of local networks such as a wireless network to a wired Ethernet network Broadband An always on fast Internet connection Browser A browser is an application program that provides a way to look at and interact with all the information on the World Wide Web 52 Buffer A block of memory 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 connects a computer to the cable television network which in turn connects to the Internet CSMA CA Carrier Sense Multiple Ac
50. nd replace them with the factory defaults Do not reset the Router if you want to retain these settings Save Setings Cancel Changes Figure 5 33 Administration Tab Factory Defaults Chapter 5 Configuring the Wireless B Broadband Router 28 The Administration Tab Factory Defaults Wireless B Broadband Router The Status Tab Router LINKSYS A Division of Cisco Systems ine The Router screen on the Status Tab displays the Router s current status 1 Status Firmware Version This is the Router s current firmware MAC Address This is the Router s MAC Address as seen by your ISP Frmware Verso 1 50 Sep 25200 Login Type The status of the connection is displayed only for PPPoE RAS PPTP or Heart Beat Signal connections eae For these dial up style connections there is a Connect button to click if there is no connection and you want to Mere des 2404 establish an Internet connection and a Disconnect button to disconnect the Internet connection IW UE DefmOnewey 0 0 0 0 Primary ONS x Internet IP Address The Router s Internet IP Address is displayed here Sono ONS 2200 Subnet Mask and Default Gateway The Router s Subnet Mask and Default Gateway address are displayed here DHCP Raieese DHCP Renew for DHCP and static IP connections Primary DNS and Secondary DNS Shown here are the DNS Domain Name System IP addresses currently used Figure 5 34 Status Tab Router by the Router DHCP Release Available
51. network It is case sensitive and must not exceed 32 characters use any of the characters on the keyboard Make sure this setting is the same for all points in your wireless network For added security you should change the default SSID linksys to a unique name Wireless Channel Select the appropriate channel from the list provided to correspond with your network settings All devices in your wireless network must be broadcast on the same channel in order to function correctly Wireless SSID Broadcast When wireless clients survey the local area for wireless networks to associate with they will detect the SSID broadcast by the Router To broadcast the Router s SSID keep the default setting Enabled If you do not want to broadcast the Router s SSID then select Disabled Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes A Divisen of Coen Sisters ine Firemans Verein 40 Wireless B Broadband Router wurwiiss Wireless Dasic Wireloss Settings Figure 5 13 Wireless Tab Basic Wireless Settings 16 The Wireless Tab 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 radio button next to Disable if you need to disable Wireless Security There are four wireless security mode optio
52. network will not communicate with any wired network What is infrastructure mode When a wireless network is set to infrastructure mode the wireless network is configured to communicate with a wired network through a wireless access point What is roaming Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout an area greater than that covered by a single access point Before using the roaming function the workstation must make sure that it is the same channel number with the access point of dedicated coverage area To achieve true seamless connectivity the wireless LAN must incorporate a number of different functions Each node and access point for example must always acknowledge receipt of each message Each node must maintain contact with the wireless network even when not actually transmitting data Achieving these functions simultaneously requires a dynamic RF networking technology that links access points and nodes In such a system the user s end node undertakes a search for the best possible access to the system First it evaluates such factors as signal strength and quality as well as the message load currently being carried by each access point and the distance of each access point to the wired backbone Based on that information the node next selects the right access point and registers its address Communications between end node and host computer can then be transmitted up and
53. nited Kingdom amp Ireland support uk linksys com Outside of Europe E mail Address Latin America support la linksys com U S and Canada support linksys com 62
54. now these defaults and can check these against your network Change your SSID to something unique and not something related to your company or the networking products you use Change your SSID regularly so that any hackers who have gained access to your wireless network will have to start from the beginning in trying to break in MAC Addresses Enable MAC Address filtering MAC Address filtering will allow you to provide access to only those wireless nodes with certain MAC Addresses This makes it harder for a hacker to access your network with a random MAC Address WEP Encryption Wired Equivalent Privacy WEP is often looked upon as a cure all for wireless security concerns This is overstating WEP s ability Again this can only provide enough security to make a hacker s job more difficult There are several ways that WEP can be maximized 1 Use the highest level of encryption possible 2 Usea Shared Key authentication 3 Change your WEP key regularly WPA Wi Fi Protected Access WPA is the newest and best available standard in Wi Fi security Two modes are often available Pre Shared Key and RADIUS Pre Shared Key gives you a choice of encryption methods which are often TKIP Temporal Key Integrity Protocol which utilizes a stronger encryption method and incorporates Message Integrity Code MIC to provide protection against hackers and AES Advanced Encryption System which utilizes a symmetric 128 Bit block data encryption RADIUS
55. ns such as gaming and videoconferencing When using UPnP features select Enable Because allowing this may present a risk to security this feature is disabled by default To allow users to make configuration changes select Figure 5 28 Administration Tab Management Enabled To allow users to disable Internet access select Enabled Save Settings Cancel Changes Chapter 5 Configuring the Wire The Applice ess B Broadband Router 25 ons and Gaming Tab DMZ Wireless B Broadband Router To back up or restore a configuration click the Backup and Restore button and the Backup amp Restore http 192 166 1 1 BackupnRestoreCfg htm m Interne te AIO Configuration screen will appear Backup amp Restore Configuration To back up a configuration click the Backup button To restore a configuration click the Browse button to find Backup the file then click the Restore button ton Restore Change these settings as described here and click the Save Settings button to apply your changes or Cancel Please select a configuration file to restore Erowe Changes to cancel your changes Restore NOTICE Currently the Restore utility supports only IE 5 0 and above The Administration Tab Log Figure 5 29 Backup amp Restore The Router can keep logs of all traffic for your Internet connection To disable the Log function select No To monitor traffic between the network and the Internet select Yes When you wi
56. ns de 300m Pour une distance sup rieure 300m un enregistrement aupr s de l IBPT est requise Pour une utilisation publique l ext rieur de b timents une licence de l IBPT est requise Pour les enregistrements et licences veuillez contacter l IBPT e France F 2 4 GHz Bande les canaux 10 11 12 13 2457 2462 2467 et 2472 MHz respectivement sont compl tement libres d utilisation en France en utilisation int rieur Pour ce qui est des autres canaux ils peuvent tre soumis a autorisation selon le d partment L utilisation en ext rieur est soumis a autorisation pr alable et tr s restreint Vous pouvez contacter l Autorit de R gulation des T l communications http www art telecom fr pour de plus amples renseignements 61 Need to contact Linksys Visit us online for information on the latest products 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 Address Austria support at linksys com Belgium support be linksys com Denmark support dk linksys com France support fr linksys com Germany support de linksys com Italy support it linksys com Netherlands support nl linksys com Norway support no linksys com Portugal support pt linksys com Spain support es linksys com Sweden support se linksys com Switzerland support ch linksys com U
57. ns supported by the Router WPA RADIUS and WEP These four are briefly discussed here WPA Pre Shared Key WPA provides the TKIP encryption method with dynamic encryption keys Enter a Pre Shared key of 8 32 characters and enter a Group Key Renewal period which instructs the Router how often it should change the encryption keys WPA Radius WPA used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router Enter the RADIUS server s IP Address and port number along with a key shared between the Router and the server Then enter a Group Key Renewal period which instructs the Router how often it should change the encryption keys Radius WEP used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router First enter the RADIUS server s IP Address and port number along with a key shared between the Router and the server Then select a level of WEP encryption and either generate a WEP key through the Passphrase or select a WEP key and a enter the WEP key manually e WEP Encryption Level An acronym for Wired Equivalent Privacy WEP is an encryption method used to protect your wireless data communications WEP uses 64 bit or 128 bit keys to provide access control to your network and encryption security for every data transmission To decode data transmissions all devices in a network must use an identical WEP key Higher encryption lev
58. nt Lease Time The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their current dynamic IP address Enter the amount of time in minutes that the user will be leased this dynamic IP address Static DNS 1 3 The Domain Name System DNS is how the Internet translates domain or website names into Internet addresses or URLs Your ISP will provide you with at least one DNS server IP Address If you wish to use another type that IP Address in one of these fields You can type up to three DNS server IP Addresses here The Router will use these for quicker access to functioning DNS servers WINS The Windows Internet Naming Service WINS manages each PC s interaction with the Internet If you use a WINS server enter that server s IP Address here Otherwise leave this blank A IMPORTANT Restoring the Access Point s factory default settings will erase all of your settings WEP Encryption Wireless and LAN settings etc and replace them with the factory defaults Do not reset the Access Point if you want to retain these settings 13 Wireless B Broadband Router The Setup Tab MAC Address 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 wish to re register the MAC address with your ISP you may assign the MAC address you have currently
59. nternet Network A series of computers or devices connected for the purpose of data sharing storage and or transmission between users NNTP Network News Transfer Protocol The protocol used to connect to Usenet groups on the Internet Node A network junction or connection point typically a computer or work station OFDM Orthogonal Frequency Division Multiplexing A type of modulation technology that separates the data stream into a number of lower speed data streams which are then transmitted in parallel Used in 802 11a 802 119 and powerline networking Packet A unit of data sent over a network Passphrase Used much like a password a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products Ping Packet INternet Groper An Internet utility used to determine whether a particular IP address is online POP3 Post Office Protocol 3 A standard protocol used to retrieve e mail stored on a mail server Port 1 The connection point on a computer or networking device used for plugging in a cable or an adapter 2 The virtual connection point through which a computer uses a specific application on a server 95 PPPoE Point to Point Protocol over Ethernet A type of broadband connection that provides authentication username and password in addition to data transport PPTP Point to Point Tunneling Protocol A VPN protocol that allows the Point to Poin
60. ntroduction This chapter describes the Adapter s applications and this User Guide Chapter 2 Planning your Wireless Network This chapter describes the basics of wireless networking Chapter 3 Getting to Know the Wireless B Broadband Router This chapter describes the physical features of the Router Chapter 4 Connecting the Wireless B Broadband Router This chapter instructs you on how to connect the Router to your network Chapter 5 Configuring the Wireless B Broadband Router This chapter explains how to use the Web Based Utility to configure the settings on the Wireless B Broadband Router Appendix A Troubleshooting This appendix describes some problems and solutions as well as frequently asked questions regarding installation and use of the Wireless B Broadband Router Appendix B Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks Appendix C Upgrading Firmware This appendix instructs you on how to upgrade the firmware on your Router if you should need to do so Appendix D Windows Help This appendix describes how you can use Windows Help for instructions about networking such as installing the TCP IP protocol Appendix E Finding the MAC Address and IP Address for your Ethernet Adapter This appendix describes how to find the MAC address for your computer s Ethenet adapter so you can use the MAC filtering and or MAC address cloning feature of the Router Append
61. o main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS What is DSSS What is FHSS And what are their differences Frequency Hopping Spread Spectrum FHSS uses a narrowband carrier that changes frequency in a pattern that is known to both transmitter and receiver Properly synchronized the net effect is to maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the radio can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers Will the information be intercepted while it is being transmitted through the air WLAN features two fold protection in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security feature of scrambling On the software side WLAN offers the encryption function WEP to enhance security and access control What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a 64 bit
62. o the specifications listed below following the provisions of the European R amp TTE directive 1999 5 EC e EN 301 489 1 301 489 17 EMC requirements for Radio equipment e EN 609 50 Safety e EN 300 328 1 EN 300 328 2 Technical requirements for Radio equipment 60 Caution This equipment is intended to be used in all EU and EFTA 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 and antennas resulting in a radiated power level of above 100 mW equivalent isotropic radiated power EIRP are considered as not compliant with the above mentioned directive and are not allowed for use within the European community and countries that have adopted the European R amp TTE directive 1999 5 EC For more details on legal combinations of power levels and antennas contact Linksys Corporate Compliance e Linksys vakuuttaa t ten etta Wireless B Broadband Router tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien n iden direktiivien muiden ehtojen mukainen e Linksys Group d clare le Routeur d acc s sans fil B est conforme aux conditions essentielles et aux dispositions relatives la directive 1999 5 EC e Belgique Dans le cas d une utilisation priv e l ext rieur d un b timent au dessus d un espace public aucun enregistrement n est n cessaire pour une distance de moi
63. oE Point to Point Protocol over Ethernet to establish Internet Mtemet Connection Type Static iP El connections If you are connected to the Internet through a DSL line check with your ISP to see if they use IP Address p fo fo o PPPoE If they do you will have to enable PPPoE Subnet Mask 255 255 255 0 Default Gateway o o o Jo Static DNS 1 o fo fo o Connect on Demand Max Idle Time You can configure the Router to cut the Internet connection after it has nibii o of A C been inactive for a specified period of time Max Idle Time If your Internet connection has been terminated due to inactivity Connect on Demand enables the Router to automatically re establish your connection as es pP e f soon as you attempt to access the Internet again If you wish to activate Connect on Demand click the radio User Name and Password Enter the User Name and Password provided by your ISP Figure 5 4 Static IP Connection Type button In the Max Idle Time field enter the number of minutes you want to have elapsed before your Internet subnet mask An address code that determines connection terminates the size of the network Keep Alive Redial Period If you select this option the Router will periodically check your Internet connection If you are disconnected then the Router will automatically re establish your connection To use this option Internet Connection Type FPE H click the radio button next to Keep Alive In the Redi
64. ollow the steps in Appendix C Upgrading Firmware 14 The firmware upgrade failed and or the Power LED is flashing The upgrade could have failed for a number of reasons Follow these steps to upgrade the firmware and or make the Power LED stop flashing 36 e 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 e Seta static IP address on the PC refer to Problem 1 need to set a static IP address Use the following IP address settings for the computer you are using IP Address 192 168 1 50 Subnet Mask 255 255 255 0 Gateway 192 168 1 1 e Perform the upgrade using the TFTP program or the Router s web based utility through its System tab 15 My DSL service s PPPoE is always disconnecting PPPoE is not actually a dedicated or always on connection The DSL ISP can disconnect the service after a period of inactivity just like a normal phone dial up connection to the Internet e There is a setup option to keep alive the connection This may not always work so you may need to re establish connection periodically 1 To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router 2 Enter the password if asked The default password is admin 3 Onthe Setup screen select the option Keep Alive and set the Redial Period opti
65. on at 20 seconds 4 Click the Save Settings button 5 Click the Status tab and click the Connect button 6 You may see the login status display as Connecting Press the F5 key to refresh the screen until you see the login status display as Connected e Click the Save Settingsy button to continue e If the connection is lost again follow steps 1 6 to re establish connection 16 1 can t access my e mail web or am getting corrupted data from the Internet The Maximum Transmission Unit MTU setting may need to be adjusted By default the MTU is set at 1500 For most DSL users it is strongly recommended to use MTU 1492 e If you are having some difficulties perform the following steps 1 To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router 2 Enter the password if asked The default password is admin 3 Look for the MTU option and select Manual In the Size field enter 1492 4 Click the Save Settings button to continue e If your difficulties continue change the Size to different values Try this list of values one value at a time in this order until your problem is solved 1462 1400 1362 1300 37 17 The Power LED keeps 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 working fine If t
66. on of the server ini file set the ListenPort to 8080 to match the mapped port above and ServerName to the IP assigned to the Router from your ISP Can multiple gamers on the LAN get on one game server and play simultaneously with just one public IP address It depends on which network game or what kind of game server you are using For example Unreal Tournament supports multi login with one public IP How do I get Half Life Team Fortress to work with the Router The default client port for Half Life is 27005 The computers on your LAN need to have clientport 2700x added to the HL shortcut command line the x would be 6 7 8 and on up This lets multiple computers connect to the same server One problem Version 1 0 1 6 won t let multiple computers with the same CD key connect at 39 the same time even if on the same LAN not a problem with 1 0 1 3 As far as hosting games the HL server does 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 downloads If you are experiencing corrupted files when you download a file with your FTP client try using another FTP program The web page hangs downloads are corrupt or nothing but junk characters are being displayed on the screen What do I need to do Force your Ethernet adapter to 10Mbps or half duplex mode and turn off the Auto negotiate feature of your Ethernet adapter as a temporary measure Plea
67. or Cancel Changes to cancel your changes Figure 5 27 Applications and Gaming DMZ The Administration Tab Management This section of the Administration tab allows the network s administrator to manage specific Router functions for Li 3 INKSYS access and security An Cor ma be Wireless B Broadband Router ARES Local Router Access You can change the Router s password from here Enter a new Router password and then EGLI type it again in the Re enter to confirm field to confirm IMS 5 Local Router Access Rate Pet IMPORTANT Enabling remote Administration allows anyone with access to your mamo p TET A password to configure the Router from somewhere else on the Internet pen Rencte based Liity n C Enabled Disabled Aomwrestrance Re enter to confirm Are esieoten Port 80 8080 E Remote Router Access This feature allows you to access the Router from a remote location via the Internet Remote Upgrade allows you to upgrade your firmware from a remote location To enable Remote Upgrade select Enabled Remote Administration allows you to manage the Router from a remote location via the Internet To enable Remote Administration select Enabled Enter the Administration Port number you will use to remotely access the Router C inbeda Disabled Enabled C Disabled Backup and Restore UPnP UPnP allows Windows XP to automatically configure the Gateway for various Internet applicatio
68. or associated clients it sends the next DTIM with a DTIM Interval value Its clients hear the beacons and awaken to receive the broadcast and multicast messages The default value is 1 Fragmentation Threshold This value specifies the maximum size for a packet before data is fragmented into multiple packets If you experience a high packet error rate you may slightly increase the Fragmentation Threshold Setting the Fragmentation Threshold too low may result in poor network performance Only minor reduction of the default value is recommended In most cases it should remain at its default value of 2346 A Division of Cisco Systems ine Wireless B Broadband Router REPWI1S4 Wireless Advanced Wireless Settings Figure 5 20 Wireless Tab Advanced Wireless Settings 20 Wireless B Broadband 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 will not be enabled The Router sends Request to Send RTS frames to a particular receiving station and negotiates the sending of a data frame After receiving an RTS the wireless station responds with a Clear to Send CTS frame to acknowledge the right to begin transmission The RTS Threshold value should remain at its default value of 2346 Change these settings as described here and click the Save Settings button to apply yo
69. our Internet browser e g Netscape Navigator or Internet Explorer Or remove the dial up settings on your browser Check with your browser documentation and make sure that your browser is set to connect directly and that any dial up is disabled Make sure that your browser is set to connect directly and that any dial up is disabled For Internet Explorer click Tools Internet Options and then the Connection tab Make sure that Internet Explorer is set to Never dial a connection For Netscape Navigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet 40 What is DMZ Hosting Demilitarized Zone DMZ allows one IP address computer to be exposed to the Internet Some applications 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 Hosting To get the LAN IP address see Appendix E Finding the MAC Address and IP Address for Your Ethernet Adapter If DMZ Hosting is used does the exposed user share the public IP with the Router No Does the Router pass PPTP packets or actively route PPTP sessions The Router allows PPTP packets to pass through Is the Router cross platform compatible Any platform that supports Ethernet and TCP IP is compatible with the Router How many ports can be simultaneously forwarded Theoretically the Router can establish 520 sessions at the same time but you can
70. r click the radio button beside Enabled PPTP Passthrough is enabled by default Click Disabled to disable the function Figure 5 23 Security Tab VPN Passthrough Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Router Wireless B Broadband Router The Applications and Gaming Tab Port Range Forwarding The Applications and Gaming Tab allows you to set up public services on your network such as web servers ftp servers e mail servers or other specialized Internet applications Specialized Internet applications are any applications that use Internet access to perform functions such as videoconferencing or online gaming Some Internet applications may not require any forwarding To forward a port enter the information on each line for the criteria required Descriptions of each criteria are described here Application In this field enter the name you wish to give the application Each name can be up to 12 characters Start End This is the port range Enter the number that starts the port range under Start and the number that ends the range under End Protocol Enter the protocol used for this application either TCP or UDP or Both IP Address For each application enter the IP Address of the PC running the specific application Enable Click the Enable checkbox to enable port forwarding for the relevant application Change these
71. radio waves saving the trouble and expense of running cables through your house Once your computers are connected to the Router they can communicate with each other too sharing resources and files All your computers can print on a shared printer connected anywhere in the house And your computers can share all kinds of files music digital pictures and documents Keep all your digital music on one computer and listen to it anywhere in the house Organize all of your family s digital pictures in one place to simplify finding the ones you want and easing backup to CD R Play head to head computer games within the household or against Internet opponents Utilize extra free space on one computer when another s hard drive starts to fill up Your home network is secure too All wireless communications are protected by 128 bit encryption The Router helps keep intruders out of your computers It s all easier than you think the included Setup Wizard takes you through configuring your network step by step With the Linksys Wireless B Broadband Router at the heart of your home network you don t need to be a networking genius to share printers files and your Internet connection with or without wires LAN Local Area Network The computers and networking products that make up the network in your home or office What s in this Guide This user guide covers the steps for setting up and using the Wireless B Media Adapter Chapter 1 I
72. reless B Broadband Router is able to forward data within its BSS the effective transmission range in an infrastructure LAN is doubled R Infrastructure a wireless network oaming that is bridged to a wired network via f as an access point Infrastructure mode also supports roaming capabilities for mobile users More than one BSS can be configured as an Extended Service Set ESS This continuous network allows users to roam freely within an ESS All PCs equipped with a Linksys wireless adapter within one ESS must be configured with the same ESS ID and use the same radio channel Before enabling an ESS with roaming capability choosing a feasible radio channel and optimum Wireless B Broadband Router position is recommended Proper router positioning combined with a clear radio signal will greatly enhance performance Network Layout The Wireless B Broadband Router is compatible with all 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 Router will also communicate with the wireless PrintServer WPS11 and bridges WET11 When you wish to connect your wired network with your wireless network the Wireless B Broadband Router s LAN port can be connected to any of Linksys s switches such as the EZXS55W or EZXS88W With these and many other Linksys products your networking options are limitless Go to t
73. resses and enter the Preferred DNS server and Alternative DNS server provided by your ISP Contact your ISP or go on its website to find the information Click the OK button in the Internet Protocol TCP IP Properties window Click the OK button in the Local Area Connection Properties window to test my Internet connection A Check your TCP IP settings For Windows 98 Me 2000 and XP e Refer to Chapter 5 Configuring the Wireless B Broadband Router for details Make sure Obtain IP address automatically is selected in the settings B Open a command prompt For Windows 98 and Me e Click Start and Run In the Open field type in command Press the Enter key or click the OK button For Windows 2000 and XP e Click Start and Run In the Open field type cmd Press the Enter key or click the OK button In the command prompt type ping 192 168 1 1 and press the Enter key e If you get a reply the computer is communicating with the Router e f you do NOT get a reply please check the cable and make sure Obtain an IP address automatically is selected in the TCP IP settings for your Ethernet adapter 32 C In the command prompt type ping followed by your Internet or Internet IP address and press the Enter key The Internet or Internet IP Address can be found on the Status screen of the Router s web based utility For example if your Internet or Internet IP address is 1 2 3 4 you would enter ping 1 2 3 4 and press the Enter
74. roadband Router BEFWISA Applications amp Gaming Port Triggering Port Triggering Li A Uvtuon of Casco Systemes inc Applications amp Gaming UPnP Forwarding Appiewion Export TCP UDP a 9393999929 E 199999939953 Figure 5 26 Applications and Gaming UPnP Forwarding 24 Wireless B Broadband Router The Applications and Gaming Tab DMZ A Onision of Cisco Systems inc ferire Version 40 The DMZ feature allows one network user to be exposed to the Internet for use of a special purpose service such ae LUTTE pplications as Internet gaming or videoconferencing DMZ hosting forwards all the ports at the same time to one PC The Port Range Forward feature is more secure because it only opens the ports you want to have opened while DMZ hosting opens all the ports of one computer exposing the computer to the Internet Gaming Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static oa IP address assigned to it because its IP address may change when using the DHCP function Are sun To expose one PC select Enable Then enter the computer s IP address in the DMZ Host IP Address field nara fase ng the Ro protection of the local OMZ host wil be disabled Change these settings as described here and click the Save Settings button to apply your changes
75. ry boot up this LED will blink then stop when the diagnosis is complete Wireless B Green The Wireless B LED lights up when there is a wireless connection If the LED is blinking the Broadband Router is actively sending or receiving data over the network 1 2 3 4 Green These numbered LEDs corresponding with the numbered ports on the Broadband Router s back panel serve two purposes If the LED is lit up solid the Broadband Router is connected to a device through that port A blinking LED indicates network activity over that port Internet Green The Internet LED indicates when a connection is made through the Internet port Chapter 4 Connecting the Wireless B Broadband Router Hardware 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 sight to all of your mobile stations 2 Fix the direction of the antenna Try to place it in a position that will best cover your wireless network Normally the higher you place the antenna the better the performance will be The antenna s position enhances the receiving sensitivity 3 Connect a standard Ethernet network cable to the Broadband Router s Internet port Then connect the other end of the Ethernet cable to your Cable or DSL Broadband modem Figara 4 T Connoctng Your hitemet Connection 4 Connect your network PCs or Ethernet devices to one of the Broadband
76. s button to apply your changes or Cancel Changes to cancel your changes Basic Setup Optional Settings Internet Setup eee ane Ph The Internet Setup section configures the Broadband Router to your Internet connection Most of this information can be obtained through your ISP a Network Address Server Settings DHCP Internet Connection Type Choose the type of Internet connection your ISP provides from the drop down menu e DHCP By default the Router s Internet Connection Type is set to Obtain an IP automatically which should be kept only if your ISP supports DHCP or you are connecting through a dynamic IP address e Static IP If you are required to use a permanent IP address to connect to the Internet select Static IP Figure 5 2 Setup Tab Basic Setup IP Address This is the Router s IP address when seen from the Internet Your ISP will provide you with the IP Address you need to specify here Internet Setup Subnet Mask This is the Router s Subnet Mask as seen by users on the Internet including your ISP Your ISP ne connection Type Obtain an IP automatically will provide you with the Subnet Mask Default Gateway Your ISP will provide you with the Default Gateway Address which is the ISP server s IP Figure 5 3 DHCP Connection Type address Static DNS 1 3 Your ISP will provide you with at least one DNS Domain Name System Server IP Address e PPPoE Some DSL based ISPs use PPP
77. s 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 a computer can communicate with the Router TCP IP must be enabled TCP IP is a set of instructions or protocol all PCs follow to communicate over a network This is true for wireless networks as well Your PCs will not be able to utilize wireless networking without having TCP IP enabled Windows Help provides complete instructions on enabling TCP IP Shared Resources If you wish to share printers folder or files over your network Windows Help provides complete instructions on utilizing shared resources Network Neighborhood My Network Places Other PCs on your network will appear under Network Neighborhood or My Network Places depending upon the version of Windows you re running Windows Help provides complete instructions on adding PCs to your network 49 Appendix E Finding the MAC Address and IP Address for Your 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 You can also find the IP address of your computer s Ethernet adapter This IP address is used for the Router s filtering forwarding and or DMZ features Follow the steps in this appendix to find the adapter s MAC or IP address in Windows 98 Me
78. se look at the Network Control Panel in your Ethernet adapter s Advanced Properties tab Make sure that your proxy setting is disabled in the browser Check our website at www linksys com for more information If all else fails in the installation what can 1 do Reset the Router by holding down the reset button until the Power LED fully turns on and off Reset your cable or DSL modem by powering the unit off and then on Obtain and flash the latest firmware release that is readily available on the Linksys website www linksys com How will I be notified of new Router firmware upgrades All Linksys firmware upgrades are posted on the Linksys website at www linksys com where they can be downloaded for free To upgrade the Router s firmware use the System tab of the Router s web based utility If the Router s Internet connection is working well there is no need to download a newer firmware version unless that version contains new features that you would like to use Downloading a more current version of Router firmware will not enhance the quality or speed of your Internet connection and may disrupt your current connection stability Will the Router function in a Macintosh environment Yes but the Router s setup pages are accessible only through Internet Explorer 4 0 or Netscape Navigator 4 0 or higher for Macintosh 1 am not able to get the web configuration screen for the Router What can 1 do You may have to remove the proxy settings on y
79. sed on all nodes of your wireless network How many channels frequencies are available with the Router There are eleven available channels ranging from 1 to 11 in North and South America Most of Europe supports thirteen channels 1 13 Refer to Appendix I Regulatory Information for more information If your questions are not addressed here refer to the Linksys website www linksys com or www linksys com international 44 Appendix B Wireless Security Linksys wants to make wireless networking as safe and easy for you as possible The current generation of Linksys products provide several network security features but they require specific action on your part for implementation So keep the following in mind whenever you are setting up or using your wireless network Security Precautions The following is a complete list of security precautions to take at least steps 1 through 5 should be followed 1 Change the default SSID 2 Disable SSID Broadcast 3 Change the default password for the Administrator account 4 Enable MAC Address Filtering 5 Change the SSID periodically 6 Use the highest encryption algorithm possible Use WPA if it is available Please note that this may reduce your network performance 7 Change the WEP encryption keys periodically For information on implementing these security features refer to Chapter 5 Configuring the Wireless B Broadband Router Security Threats Facing Wireless Net
80. settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Chapter 5 Configuring the Wireless B Broadband Router The Applications and Gaming Tab Port Range Forwarding Linksys A Division ot Cisco Systems inc Fever hern 1 40 Wireless B Broadband Router wrwiiss Applications amp Gaming rl Port Range Forwarding Port Range Forwarding Application A End WAddess Enable to 0 Bot 1021681 0 r 0 to 0 Both 1621691 0 r 9 t o pos m wem or to 0 Bon 1921691 0 r 9 te 0 pom s uf or 0 to 0 Both 1921691 0 r te 6 Bo e wes r f wf Bmrz wwe r t 6 Bon s wwe r m wf Bez weed r Save Settings Cancel Changes Figure 5 24 Applications and Gaming Tab Port Range Forwarding 23 Wireless B Broadband Router The Applications and Gaming Tab Port Triggering Port Triggering Port Triggering is used for special applications that can request a port to be opened on demand For this feature the Gateway will watch outgoing data for specific port numbers The Gateway will remember the IP address of the computer that sends a transmission requesting data so that when the requested data returns through the Gateway the data is pulled back to the proper computer by way of IP address and port mapping rules e Application Enter the name you wish to give each appli
81. sh to view the logs click Li Incoming Log or Outgoing Log depending on which you wish to view Arsen Cas Se re Fears rman Wireless B Broadband Router Burwiis4 Logviewer IP Address Logviewer IP Address uses a logviewer program installed in a PC Enter the IP Address of MWS ic seam the PC running the logviewer The logviewer program is included on the Setup CD ROM Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Logvewe P 452 482 1 p Adiess o Beor E Save Settings Canet Changes Incoming Log Table Refresh Source IP Destination Port Number Figure 5 31 Log Table 26 Wireless B Broadband Router The Administration Tab Firmware Upgrade IMPORTANT Upgrading the firmware could LINKSYS EX eraseall of your settings WEP Encryption Uv B Wireless and LAN settings etc and replace them Administration nn mue sue teens fe amang with the factory defaults Linksys recommends Fema aie that you back up your configuration settings Upgrading before you upgrade the firmware Firmware Upgrade Passo sanaa netowe C NNNM foe thes hardware __rgrade ae EA Firmware can be upgraded by following these instructions Do not upgrade your firmware unless you are ggg 77 remet tma experiencing problems with the Router You can lose your settings when you upgrade the firmware so Linksys Saad irons ane www link ayn
82. sing 128 bit WEP encryption the key must be exactly 26 hexadecimal characters in length Valid hexadecimal characters are 0 9 and A F Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes Wireless Security Wireless Security Security Mode Default Key Wireless Encryption Levet Passphrase WEP Key 1 WEP Key 2 WEP Key 3 WEP Key 4 Enable C Disable 0000000000 0000000000 0000000000 0000000000 WEP Y 4C2C3C4 64 bits 10 hex digits x Generate Figure 5 17 Wireless Tab WEP 18 Wireless B Broadband Router The Wireless Tab Wireless Network Access A ven of Once Systm inc Wireless network access can be filtered by using the MAC addresses of the wireless devices transmitting within your networks radius Wireless Wireless Network Access If you select Allow All all computers will be allowed access to the wireless network To restrict access to the network select Restrict Access Click the Wireless Client MAC Address button and Mew na the Wireless Client MAC list will appear Select the MAC Address from the list and click the Select box then click the Select button Mace TET we Mac ox MAC 1 Click the Refresh button if you want to refresh the screen Click the Close button to return to the previous screen wacee 0000900000 wActe 07000000007 When finis
83. ss code that determines the size of the network Switch 1 Device that is the central point of connection for computers and other devices in a network so data can be shared at full transmission speeds 2 A device for making breaking or changing the connections in an electrical circuit 56 TCP IP Transmission Control Protocol Internet Protocol A network protocol for transmitting data that requires acknowledgement from the recipient of data sent Telnet A user command and TCP IP protocol used for accessing remote PCs TFTP Trivial File Transfer Protocol A version of the TCP IP FTP protocol that uses UDP and has no directory or password capability Throughput The amount of data moved successfully from one node to another in a given time period Topology The physical layout of a network TX Rate Transmission Rate UDP User Datagram Protocol A network protocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent Upgrade To replace existing software or firmware with a newer version Upload To transmit a file over a network URL Uniform Resource Locator The address of a file located on the Internet VPN Virtual Private Network A security measure to protect data as it leaves one network and goes to another over the Internet WAN Wide Area Network The Internet WEP Wired Equivalent Privacy A method of encrypting data transmitted on a wireless net
84. t Protocol PPP to be tunneled through an IP network This protocol is also used as a type of broadband connection in Europe Preamble Part of the wireless signal that synchronizes network traffic RJ 45 Registered Jack 45 An Ethernet connector that holds up to eight wires Roaming The ability to take a wireless device from one access point s range to another without losing the connection Router A networking device that connects multiple networks together such as a local network and the Internet RTS Request To Send A packet sent when a computer has data to transmit The computer will wait for a CTS Clear To Send message before sending data Server Any computer whose function in a network is to provide user access to files printing communications and other services SMTP Simple Mail Transfer Protocol The standard e mail protocol on the Internet SNMP Simple Network Management Protocol A widely used network monitoring and control protocol Software Instructions for the computer A series of instructions that performs a particular task is called a program Spread Spectrum Wideband radio frequency technique used for more reliable and secure data transmission SSID Service Set IDentifier Your wireless network s name Static IP Address A fixed address assigned to a computer or device that is connected to a network Static Routing Forwarding data in a network via a fixed path Subnet Mask An addre
85. t use an identical WEP key Higher encryption levels offer higher levels of security but due to the complexity of the encryption they may decrease network performance To enable WEP select 64 bits 10 hex digits or 128 bits 26 hex digits To disable WEP encryption keep the default setting No Encryption Passphrase Instead of manually entering WEP keys you can enter a passphrase This passphrase is used to generate one or more WEP keys It is case sensitive and should not be longer than 31 alphanumeric characters This Passphrase function is compatible with Linksys wireless products only and cannot be used with Windows XP Zero Configuration If you want to communicate with non Linksys wireless products or Windows XP Zero Configuration make a note of the WEP key generated in the Key 1 field and enter it manually in the wireless client After you enter the Passphrase click the Generate button to create WEP keys 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 encryption scheme for wireless network transmissions If you are not using a Passphrase then manually enter a set of values Do not leave a key field blank and do not enter all zeroes they are not valid key values If you are using 64 bit WEP encryption the key must be exactly 10 hexadecimal characters in length If you are u
86. tion the computer does not need any proxy settings to gain access Please follow these directions to verify that you do not have any proxy settings and that the browser you use is set to connect directly to the LAN e For Microsoft Internet Explorer 5 0 or higher 1 Click Start Settings and Control Panel Double click Internet Options Click the Connections tab Click the LAN settings button and remove anything that is checked Click the OK button to go back to the previous screen Click the option Never dial a connection This will remove any dial up pop ups for PPPOE users e For Netscape 4 7 or higher 1 Start Netscape Navigator and click Edit Preferences Advanced and Proxies 2 Make sure you have Direct connection to the Internet selected on this screen 3 Close all the windows to finish oP wp 12 To start over need to set the Router to factory default Hold the Reset button for 10 seconds and then release it This will return the password forwarding and other settings on the Router to the factory default settings In other words the Router will revert to its original factory configuration 13 1 need to upgrade the firmware In order to upgrade the firmware with the latest features you need to go to the Linksys website and download the latest firmware at www linksys com e Follow these steps 1 Go to the Linksys website at http www linksys com international and download the latest firmware 2 To upgrade the firmware f
87. ur changes or Cancel Changes to cancel your changes The Security Tab Filter Filters block specific internal users from accessing the Internet From the Filters tab you can set up a filter through an IP address or a network port number Filter IP Address Range To set up a filter using IP addresses enter the range of IP addresses you wish to filter in the IP address fields Users who have filtered IP addresses will not be able to access the Internet at all If you only want to filter one IP address instead of a range of IP addresses enter the same value into both fields For instance if you wish to filter the PC with the IP address of 192 168 1 5 enter 5 into both fields on one line 192 168 1 5 192 168 1 5 Filter Port Range To filter users by network port number select a protocol then enter a network port number or a range of network ports Enter the port numbers you want to filter in the port numbers fields Users connected to the Router will no longer be able to access any port number listed there Filter MAC Address This feature filters the Ethernet adapter s specific MAC address from going out to the Internet To check your Ethernet adapter s MAC address you can run winipcfg or ipconfig in the command prompt depending on which Windows operating system you are using To set the MAC filter click the Edit MAC Filter Setting button When the screen appears select the range in the drop down menu and in a MAC number field enter th
88. urity since the address of a PC connected to the private LAN is never transmitted on the Internet Furthermore NAT allows the Router to be used with low cost Internet accounts such as DSL or cable modems when only one TCP IP address is provided by the ISP The user may have many private addresses behind this single address provided by the ISP Does the Router support any operating system other than Windows 98 Windows Millennium Windows 2000 or Windows XP Yes but Linksys does not at this time provide technical support for setup configuration or troubleshooting of any non Windows operating systems Does the Router support ICQ send file Yes with the following fix click ICQ menu gt preference gt connections tab gt and check am behind a firewall or proxy Then set the firewall time out to 80 seconds in the firewall setting The Internet user can then send a file to a user behind the Router I set up an Unreal Tournament Server but others on the LAN cannot join What do I need to do If you have a dedicated Unreal Tournament server running you need to create a static IP for each of the LAN computers and forward ports 7777 7778 7779 7780 7781 and 27900 to the IP address of the server You can also use a port forwarding range of 7777 27900 If you want to use the UT Server Admin forward another port Port 8080 usually works well but is used for remote admin You may have to disable this Then in the UWeb WebServer secti
89. wireless network You can select from a range of transmission speeds or keep the default setting Auto to have the Gateway automatically use the fastest possible data rate and enable the Auto Fallback feature Auto Fallback will negotiate the best possible connection speed between the Gateway and a wireless client Preamble Type The preamble defines the length of the CRC block for communication between the Router and the roaming Network Card High network traffic areas should use the shorter preamble type Select the appropriate preamble type Long Preamble default or Short Preamble Authentication Type The default is set to Auto default which allows either Open System or Shared Key authentication to be used With Open System authentication the sender and the recipient do NOT use a WEP key for authentication With Shared Key authentication the sender and recipient use a WEP key for authentication Beacon Interval The default value is 100 Enter a value between 1 and 65 535 milliseconds The Beacon Interval value indicates the frequency interval of the beacon A beacon is a packet broadcast by the Router to synchronize the wireless network DTIM Interval This value between 1 and 16384 indicates the interval of the Delivery Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages When the Router has buffered broadcast or multicast messages f
90. work for greater security WINIPCFG A Windows 98 and Millennium utility that displays the IP address for a particular networking device WLAN Wireless Local Area Network A group of computers and associated devices that communicate with each other wirelessly 57 Standards Channels Ports Speed Cabling Type LEDs Warranty Dimensions Unit Weight Power Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity IEEE 802 3 IEEE 802 3u IEEE 802 11b 11 Channels US Canada 13 Channels most of Europe 14 Channels Japan One 10 100 RJ 45 port for Cable DSL Modem Connection Four 10 100 RJ 45 Switched ports 10 100Mbps Half Duplex 20 200 Full Duplex UTP Category 5 or better Power Internet Ethernet Wireless B 1 Year Limited 186 mm x 154 mm x 48 mm 0 45 kg External 12V DC 1A FCC CE WiFi UPnP 0 C to 40 C 20 C to 70 C 10 to 85 Non Condensing 5 to 90 Non Condensing 58 Appendix H Warranty Information Linksys warrants to You that for a period of one year the Warranty Period your Linksys Product will be substantially free of defects in materials and workmanship under normal use Your exclusive remedy and Linksys entire liability under this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any rebates This limited warranty extends only to the original purchaser If the Product proves
91. works Wireless networks are easy to find Hackers know that in order to join a wireless network wireless networking products first listen for beacon messages These messages can be easily decrypted and contain much of the network s information such as the network s SSID Service Set Identifier Here are the steps you can take Change the administrator s password regularly With every wireless networking device you use keep in mind that network settings SSID WEP keys etc are stored in its firmware Your network administrator is the only person who can change network settings If a hacker gets a hold of the administrator s password he too can change those settings So make it harder for a hacker to get that information Change the administrator s password regularly Note Some of these security features are available only through the network router or access point Refer to the router or access point s documentation for more information 45 SSID There are several things to keep in mind about the SSID 1 Disable Broadcast 2 Make it unique 3 Change it often Most wireless networking devices will give you the option of broadcasting the SSID While this option may be more convenient it allows anyone to log into your wireless network This includes hackers So don t broadcast the SSID Wireless networking products come with a default SSID set by the factory The Linksys default SSID is linksys Hackers k

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