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Instant Wireless ® Series Dual-Band Wireless A+B Broadband Router Use this guide to install: WRT51AB User Guide.
FCC RF Radiation Exposure Statement T o comply with the FCC and ANSI C95.1 RF exposure limits, the antenna(s) for this device must comply with the following: 1.
Instant Wireless ® Series Dual-Band Wireless A+B Broadband Router T able of Contents Chapter 1 : Int r oduction 1 The Dual-Ban d W ireles s A+B Broadband Router 1 F eatures 2 The Router ’ s Functio.
Dual-Band Wireless A+B Broadband Router Chapter 1: Introduction s EtherFast ® Cable/DSL Router The Dual-Band W ireless A+B Broadband Router is like four devices in one box! The Router function lets y.
Dual-Band Wireless A+B Broadband Router 3 What’ s an IP Address? IP stands for Internet Protocol. Every device on an IP-based netw ork, including PCs, print servers, and routers, requires an IP address to identify its “location, ” or address, on the netw ork.
Dual-Band Wireless A+B Broadband Router This User Guide co v ers the steps for setting up a netw ork with the Router . After going through “Chapter 2: Getting to Kno w the Dual-Band W ireless A+B Br.
Dual-Band Wireless A+B Broadband Router 7 Instant Wireless ® Series 6 The Router’ s LEDs display information about the Router’ s status. Pow e r Gr een . The Pow e r LED lights up when the Router is po w ered on. Diag Red . The Diag LED lights up when the Router goes through its self-diagnosis mode during ev er y boot-up.
Dual-Band Wireless A+B Broadband Router The Internet Indicators Link/Act Gr een . The Link/Act LED lights up when a successful con- nection is made betw een the Router and your cable or DSL modem (the Internet). The Link/Act LED flickers w hen the Router is sending or receiving data o ver the Internet port.
Dual-Band Wireless A+B Broadband Router 11 Instant Wireless ® Series 10 3. Connect a different Ethernet netw ork cable from y our cable or DSL modem to the Internet por t on the Router’ s rear panel. This is the only port that will w ork for your modem connection.
Dual-Band Wireless A+B Broadband Router Chapter 4: Configure the PCs The instructions in this chapter will help you conf igure each of your comput- ers to be able to communicate with the Router .
Dual-Band Wireless A+B Broadband Router 3. Click the IP Addr ess tab . Select Obtain an IP addr ess automatically . 4. No w click the Gatew a y tab, and verify that the Installed Gate way f ield is blank. Click the OK button. 5. Click the OK button again.
Dual-Band Wireless A+B Broadband Router 3. Make sure the box ne xt to Internet Pr otocol (TCP/IP) is checked. Highlight Internet Pr otocol (TCP/IP) , and click the Properties button. 4. Select Obtain an IP addr ess automatically . Once the ne w windo w appears, click the OK button.
Dual-Band Wireless A+B Broadband Router 3. Make sure the box ne xt to Internet Pr otocol (TCP/IP) is checked. Highlight Internet Pr otocol (TCP/IP) , and click the Properties button. 4. Select Obtain an IP addr ess automatically . Once the ne w windo w appears, click the OK button.
Dual-Band Wireless A+B Broadband Router 21 Instant Wireless ® Series 20 3. The w eb-based utility will appear with the Setup tab selected. Based on the setup instructions from your ISP , you ma y need to pro vide the Host Name and Domain Name (usually cab le ISPs require them).
Dual-Band Wireless A+B Broadband Router 23 Instant Wireless ® Series A utomatic Conf iguration - DHCP If you are connecting through DHCP or a dynamic IP address from your ISP , perform these steps: A. Keep the default setting, A utomatic Conf iguration - DHCP , as the Conf iguration T ype.
Dual-Band Wireless A+B Broadband Router Chapter 6: The Router’s Web-based Utilit y Use the Router’ s web-based utility to administer it. This chapter will describe each w eb page in the Utility and each page’ s ke y functions. The utility can be accessed via your w eb bro wser through use of a computer connected to the Router .
Dual-Band Wireless A+B Broadband Router A utomatic Conf iguration - DHCP By default, the Router’ s Conf iguration T ype is set to Automatic Conf iguration - DHCP , and it should be kept onl y if your ISP supports DHCP or you are connecting through a dynamic IP address.
Dual-Band Wireless A+B Broadband Router 29 Instant Wireless ® Series 28 PPP oE Some DSL-based ISPs use PPP oE (Point-to-P oint Protocol o ver Ethernet) to establish Internet connections. If you are connected to the Internet through a DSL line, check with your ISP to see if the y use PPPoE.
Dual-Band Wireless A+B Broadband Router 31 Instant Wireless ® Series 30 Specify Internet IP Address This is the Router’ s IP address, when seen from the Internet.
Dual-Band Wireless A+B Broadband Router T urbo Mode This enables high-speed connections, but se verel y limits range. T urbo Mode must be enabled on both the Router and the wireless PCs to function. T urbo Mode is not compatible with Windo ws XP and functions only with Linksys 5GHz, 802.
Dual-Band Wireless A+B Broadband Router 35 Instant Wireless ® Series 5GHz, 802.11a (WEP) The 5GHz, 802.11a (WEP) screen allo ws you to conf igure your 5GHz, 802.11a WEP settings. WEP encryption should alw ays be enab led to increase the security of your wireless netw ork.
Dual-Band Wireless A+B Broadband Router 37 Instant Wireless ® Series 36 Default T ransmit K ey Select which WEP key (1-4) will be used w hen the Router sends data. Make sure the recei ver is using the same key . P assphrase Instead of manuall y entering WEP ke ys, you can enter a Passphrase.
Dual-Band Wireless A+B Broadband Router 39 Instant Wireless ® Series 38 The Status screen displa ys the Router’ s current status and conf iguration. All information is read-only . Status Figure 6-14 Note: The information provided and buttons a v ailable ma y vary depending on the Router’ s settings.
Dual-Band Wireless A+B Broadband Router Internet Conf iguration T ype The type of Inter net connection is displa yed here. Status F or PPP oE or PPTP , the status of the Internet connection is display ed here. If there is no connection, you can click the Connect button to re-estab- lish it.
Dual-Band Wireless A+B Broadband Router Starting IP Addr ess Enter a value for the DHCP server to start with when issuing IP addresses. Because the Router’ s def ault IP address is 192.168.1.1 , the Starting IP Address must be 192.168.1.2 or greater, but smaller than 192.
Dual-Band Wireless A+B Broadband Router The Help screen offers links to all of the Router’ s technical support resources and the application that upgrades the Router’ s f irmware. F or additional infor- mation about each screen of the w eb-based utility , click the appropriate link on the lefthand side of the Help screen.
Dual-Band Wireless A+B Broadband Router The follo wing instr uctions are for adv anced users or users whose setup needs require special conf iguration. When you click the Ad v anced tab, you will be able to set up these features. There are six additional tabs av ailable.
Dual-Band Wireless A+B Broadband Router DTIM Interv al This value, betw een 1 and 16384, indicates the inter val of the Deli very Traf f ic Indication Message (DTIM). A DTIM f ield is a countdown f ield infor ming clients of the next windo w for listening to broadcast and mul- ticast messages.
Dual-Band Wireless A+B Broadband Router 802.1x Conf iguration The 802.1x Configur ation screen allo ws you to alter the 802.1x settings for your wireless netw ork(s).
Dual-Band Wireless A+B Broadband Router 53 Instant Wireless ® Series RADIUS Server The Router’ s 802.1x feature works with a RADIUS server . It may also w ork with other types of authentication servers, depending on the specif ics of each authentication server .
Dual-Band Wireless A+B Broadband Router The F ilters screen allo ws you to block specif ic inter nal users from accessing the Internet. Y ou can set up f ilters b y using MA C addresses, IP addresses, or netw ork por t numbers (or a range of por ts).
Dual-Band Wireless A+B Broadband Router 57 Instant Wireless ® Series 56 If you w ant to enter more than ten MA C addresses, select MA C Addr esses 1- 10 , 11-20 , 21-30 , 31-40 , or 41-50 from the drop-do wn menu to enter addition- al MA C addresses, up to a maximum of 50.
Dual-Band Wireless A+B Broadband Router TCP Pr otocol Click this checkbox if you w ant to forward the data transmis- sions that use the TCP protocol. UDP Pr otocol Click this checkbox if y ou want to forw ard the data transmis- sions that use the UDP protocol.
Dual-Band Wireless A+B Broadband Router 61 Instant Wireless ® Series 60 2. If you selected the Gatew ay mode, click the Appl y button. If you selected the Router mode, proceed to step 3.
Dual-Band Wireless A+B Broadband Router 63 Instant Wireless ® Series 62 The DMZ Host screen lets you enab le the DMZ hosting feature, which allo ws one local user to be exposed to the Internet for use of a special-pur pose serv- ice such as Internet gaming or videoconferencing.
Dual-Band Wireless A+B Broadband Router 65 Instant Wireless ® Series 64 If you do not kno w your adapter’ s MA C address, follow these instructions: 1. Click the Start button, and select Run . 2. Enter command in the f ield pro vided , and press the OK button.
Dual-Band Wireless A+B Broadband Router F or W indo ws 2000: A. Click Start , Settings , and Contr ol P anel . Double-click Netw ork and Dial-Up Connections . B . Right-click the Local Area Connection that is associated with the Ether net adapter you are using, and select the Pr operties option.
Dual-Band Wireless A+B Broadband Router 69 Instant Wireless ® Series 68 B . Open a command prompt. • F or Windo ws 98 and Me , please click Star t and Run . In the Open f ield , type in command . Press the Enter ke y or click the OK button. • F or Windo ws NT , 2000, and XP , please click Start and Run .
Dual-Band Wireless A+B Broadband Router of the w eb interface. If you assigned a static IP address to an y computer or net- w ork device on the netw ork, you need to change its IP address accordingl y to 192.168.2.Y (Y being any number from 1 to 254).
Dual-Band Wireless A+B Broadband Router 8. I can’t get the Internet game , ser ver , or application to work. If you are ha ving diff iculties getting an y Inter net game, server , or application to function properl y , consider exposing one PC to the Internet using DeMilitarized Zone (DMZ) hosting.
Dual-Band Wireless A+B Broadband Router 13. The fir mware upgrade failed, and/or the Diag LED is flashing. The upgrade could hav e failed for a number of reasons. F ollow these steps to upgrade the f ir mware and/or make the Diag LED stop flashing: A.
Dual-Band Wireless A+B Broadband Router • Manually conf igure the TCP/IP settings with a DNS address pro vided by your ISP . • Make sure that y our bro wser is set to connect directly and that an y dial- up is disabled. F or Inter net Explorer , click T ools , Internet Options , and then the Connection tab .
Dual-Band Wireless A+B Broadband Router 79 Instant Wireless ® Series 78 same CD key connect at the same time, e ven if on the same LAN (not a prob- lem with 1.0.1.3). As far as hosting games, the HL ser ver does not need to be in the DMZ. Just forward port 27015 to the local IP address of the server com- puter .
Dual-Band Wireless A+B Broadband Router 81 Instant Wireless ® Series 80 will w ork through the Router; how ev er, simultaneous IPSec sessions may be possible, depending on the specif ics of your VPNs. How can I check whether I have static or DHCP IP Addresses? Consult your ISP to obtain this information.
Dual-Band Wireless A+B Broadband Router from its original access point, it undertakes a new search. Upon f inding a new access point, it then re-registers, and the communication process continues. What is ISM band? The FCC and their counter parts outside of the U .
Dual-Band Wireless A+B Broadband Router I have excellent signal strength, but I cannot see my network. WEP is probabl y enabled on the Router , but not on your wireless adapter (or vice versa). V erify that the same WEP keys and le vels (64, 128, or 152) are being used on all nodes of your wireless netw ork.
Dual-Band Wireless A+B Broadband Router 87 Instant Wireless ® Series 86 Step One: Pinging an IP Address The f irst step to determining your ISP’ s web and e-mail server address is to ping its IP address.
Dual-Band Wireless A+B Broadband Router 89 Instant Wireless ® Series 88 Appendix C: Configuring Wireless Securit y The Router offers tw o wireless security features. The basic feature is W ired Equiv alent Priv acy (WEP) encryption, an encr yption method used to protect your wireless data communications.
Dual-Band Wireless A+B Broadband Router In addition to enabling WEP , Linksys also recommends the follo wing security implementations: • Change the SSID from the default “linksys” • Change the.
Dual-Band Wireless A+B Broadband Router 93 Instant Wireless ® Series 92 2. The screen that appears will sho w an y a vailab le wireless netw ork. Select the appropriate netw ork, and click the Adv anced... button. 3. Click the A uthentication tab . Make sure the bo x next to Ena ble netw ork access contr ol using IEEE 802.
Dual-Band Wireless A+B Broadband Router 95 Instant Wireless ® Series 94 6. Enter the WEP key in the Networ k key f ield. Then click the OK button. 7. Make sure the netw ork you w ant is selected in the Pr eferr ed networ ks box, and then click the OK button.
Dual-Band Wireless A+B Broadband Router 97 Instant Wireless ® Series 8. Click the Wir eless Networ k Connection icon located in your computer’ s system tra y . 9. Complete the User name and P asswor d f ields. Complete the Log on domain f ield if necessary .
Dual-Band Wireless A+B Broadband Router 99 Instant Wireless ® Series 98 5. Click the Submit button. 6. Click Install this certif icate . 7. Y ou will be asked if y ou w ant to add the certif icate to the Root Store. Click the Ye s button. Figure C-15 Figure C-16 Figure C-17 3.
Dual-Band Wireless A+B Broadband Router 1. Make sure you ha ve installed the wireless adapter cor rectl y into your PC. Click the Wir eless Netw ork Connection icon located in your computer’ s system tra y . 2. The screen that appears will sho w an y a vailab le wireless netw ork.
Dual-Band Wireless A+B Broadband Router 5. Make sure the bo x next to Data encryption (WEP ena bled) is checked. Make sure the bo x next to The k ey is pr o vided for me automatically is checked. Then click the OK button. 6. Make sure the appropriate netw ork is selected , and click the OK button.
Dual-Band Wireless A+B Broadband Router Appendix D: Finding the MAC Address and IP Address for Y o u r Ethernet Adapter This section describes ho w to f ind the MAC address for y our Ether net adapter to do either MA C address f iltering or MAC address cloning for the Router and ISP .
Dual-Band Wireless A+B Broadband Router 2. In the command prompt, enter ipconf ig /all . Then press the Enter key . 3. Write do wn the Physical Address as shown on y our computer screen; it is the MA C address for your Ethernet adapter . This will appear as a series of letters and numbers.
Dual-Band Wireless A+B Broadband Router (NIC) is the typical adapter that allo ws the PC or ser ver to connect to the intranet and/or Internet. Ad-hoc Netw ork - An ad-hoc network is a group of computers, each with a wireless adapter , connected as an independent 802.
Dual-Band Wireless A+B Broadband Router CSMA/CD ( C ar rier S ense M ultiple A ccess/ C ollision D etection) - The LAN access method used in Ethernet. When a de vice w ants to gain access to the net- w ork, it checks to see if the network is quiet (senses the carrier).
Dual-Band Wireless A+B Broadband Router Dynamic Routing - The ability for a router to forw ard data via a dif ferent route based on the cur rent conditions of the communications circuits. F or example, it can adjust for o verloaded traf f ic or failing lines and is much more fle xible than static routing, which uses a f ixed forw arding path.
Dual-Band Wireless A+B Broadband Router Hard war e - Hardware is the ph ysical aspect of computers, telecommunica- tions, and other information technology de vices. The term arose as a wa y to dis- tinguish the “box” and the electronic circuitry and components of a computer from the pro gram you put in it to make it do things.
Dual-Band Wireless A+B Broadband Router Mbps ( M ega B its P er S econd) - One million bits per second; unit of measure- ment for data transmission. MD5 - A type of one-wa y authentication method that uses passw ords. MD5 authentication is not as secure as the EAP-TLS or EAP/TTLS authentication methods.
Dual-Band Wireless A+B Broadband Router 119 Instant Wireless ® Series 118 P acket - A unit of data routed betw een an origin and a destination in a netw ork. P acket Filtering - Discarding unw anted netw ork traff ic based on its originat- ing address or range of addresses or its type (e-mail, f ile transfer , etc.
Dual-Band Wireless A+B Broadband Router RADIUS ( R emote A uthentication D ial- I n U ser S ervice) - A protocol used to control netw ork access. RADIUS enables servers to authenticate users, so only legitimate users are granted netw ork access. RADIUS ser vers are frequentl y used in 802.
Dual-Band Wireless A+B Broadband Router Subnet Mask - The method used for splitting IP networks into a series of sub- groups, or subnets. The mask is a binary patter n that is matched up with the IP address to turn par t of the host ID address f ield into a f ield for subnets.
Dual-Band Wireless A+B Broadband Router W AN ( W ide A rea N etw ork) - A communications netw ork that co vers a rela- tiv el y large geo graphic area, consisting of two or more LANs. Broadband com- munication o ver the W AN is often through pub lic netw orks such as the telephone (DSL) or cable systems, or through leased lines or satellites.
Dual-Band Wireless A+B Broadband Router Network Protocols 802.11a: TCP/IP , NetBEUI, IPX/SPX 802.11b: TCP/IP , NetBEUI, IPX/SPX LED Indicators Power , Diag Internet: Link/Act, 100 LAN: Link/Act, Full/Col, 100 802.11a: Act, Link 802.11b: Act, Link Dimensions 7.
Dual-Band Wireless A+B Broadband Router Appendix H: Contact Information F or help with the installation or operation of the Dual-Band W ireless A+B Broadband Router , contact Linksys T echnical Support at one of the phone num- bers or Internet addresses below .
© Copyright 2002 Linksys, All Rights Reser ved. www .linksys.com.
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