Linksys WRT51AB - Manuals

Dual-Band Wireless A+B Broadband Router This User Guide covers the steps for setting up a network with the Router. Aftergoing through “Chapter 2: Getting to Know the Dual-Band Wireless A+BBroadband Router,” most users will only need to use the following chapters: • Chapter 3: Connect the Router This...

Dual-Band Wireless A+B Broadband Router 7 Instant Wireless ® Series 6 The Router’s LEDs display information about the Router’s status. Power Green. The Power LED lights up when the Router is poweredon. Diag Red. The Diag LED lights up when the Router goes throughits self-diagnosis mode during every ...

Dual-Band Wireless A+B Broadband Router The Internet Indicators Link/Act Green. The Link/Act LED lights up when a successful con-nection is made between the Router and your cable or DSLmodem (the Internet). The Link/Act LED flickers when theRouter is sending or receiving data over the Internet port....

Dual-Band Wireless A+B Broadband Router 11 Instant Wireless ® Series 10 3. Connect a different Ethernet network cable from your cable or DSL modemto the Internet port on the Router’s rearpanel. This is the only port that willwork for your modem connection. 4. Power on the cable or DSL modem. 5. Conn...

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. To do this, you need to conf igure your PC’s network settings to obtain an IP (orTCP/IP) address automatic...

Dual-Band Wireless A+B Broadband Router 3. Click the IP Address tab. Select Obtain an IP address automatically. 4. Now click the Gateway tab, and verify that the Installed Gateway f ield is blank. Click the OK button. 5. Click the OK button again. Windows may ask you for the original Windows install...

Dual-Band Wireless A+B Broadband Router 3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click the Properties button. 4. Select Obtain an IP address automatically. Once the new window appears, click the OK button. Click the OK button again...

Dual-Band Wireless A+B Broadband Router 3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click the Properties button. 4. Select Obtain an IP address automatically. Once the new window appears, click the OK button. Click the OK button again...

Dual-Band Wireless A+B Broadband Router 21 Instant Wireless ® Series 20 3. The web-based utility will appear with the Setup tab selected. Based on the setup instructions from your ISP, you may need to provide the Host Nameand Domain Name (usually cable ISPs require them). These f ields allowyou to p...

Dual-Band Wireless A+B Broadband Router 23 Instant Wireless ® Series Automatic Configuration - DHCP If you are connecting through DHCP ora dynamic IP address from your ISP,perform these steps: A. Keep the default setting, Automatic Conf iguration - DHCP, as theConf iguration Type. B. Click the Apply...

Dual-Band Wireless A+B Broadband Router Chapter 6 : The Router’s W e b - b a s e d U t i l i ty Use the Router’s web-based utility to administer it. This chapter will describeeach web page in the Utility and each page’s key functions. The utility can beaccessed via your web browser through use of a ...

Dual-Band Wireless A+B Broadband Router Automatic Configuration - DHCP By default, the Router’s Conf iguration Type is set to AutomaticConf iguration - DHCP, and it should be kept only if your ISP supportsDHCP or you are connecting through a dynamic IP address. To apply any of the settings you chang...

Dual-Band Wireless A+B Broadband Router 29 Instant Wireless ® Series 28 PPPoE Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet)to establish Internet connections. If you are connected to the Internetthrough a DSL line, check with your ISP to see if they use PPPoE. If theydo, you w...

Dual-Band Wireless A+B Broadband Router 31 Instant Wireless ® Series 30 Specify Internet IP Address This is the Router’s IP address, when seenfrom the Internet. Your ISP will provide you with the IP Address you needto specify here. Subnet Mask This is the Router’s Subnet Mask, as seen by external us...

Dual-Band Wireless A+B Broadband Router 39 Instant Wireless ® Series 38 The Status screen displays the Router’s current status and conf iguration. Allinformation is read-only. Status Figure 6-14 Note: The information provided and buttons available may varydepending on the Router’s settings. The Pass...

Dual-Band Wireless A+B Broadband Router Internet Configuration Type The type of Internet connection is displayed here. Status For PPPoE or PPTP, the status of the Internet connection is displayedhere. If there is no connection, you can click the Connect button to re-estab-lish it. If there is a conn...

Dual-Band Wireless A+B Broadband Router Starting IP Address Enter a value for the DHCP server to start with whenissuing IP addresses. Because the Router’s default IP address is 192.168.1.1,the Starting IP Address must be 192.168.1.2 or greater, but smaller than192.168.1.253. The default Starting IP ...

Dual-Band Wireless A+B Broadband Router The Help screen offers links to all of the Router’s technical support resourcesand the application that upgrades the Router’s f irmware. For additional infor-mation about each screen of the web-based utility, click the appropriate link onthe lefthand side of t...

Dual-Band Wireless A+B Broadband Router The following instructions are for advanced users or users whose setup needsrequire special conf iguration. When you click the Advanced tab, you will beable to set up these features. There are six additional tabs available. Advanced Wireless - Allows you to cu...

Dual-Band Wireless A+B Broadband Router DTIM Interval This value, between 1 and 16384, indicates the interval of theDelivery Traff ic Indication Message (DTIM). A DTIM f ield is a countdownf ield informing clients of the next window for listening to broadcast and mul-ticast messages. When the Router...

Dual-Band Wireless A+B Broadband Router The Filters screen allows you to block specif ic internal users from accessingthe Internet. You can set up f ilters by using MAC addresses, IP addresses, ornetwork port numbers (or a range of ports). Filtered Private Port Range To f ilter users by network port...

Dual-Band Wireless A+B Broadband Router 57 Instant Wireless ® Series 56 If you want to enter more than ten MAC addresses, select MAC Addresses 1-10, 11-20, 21-30, 31-40, or 41-50 from the drop-down menu to enter addition-al MAC addresses, up to a maximum of 50. Then click the Apply button to savethe...

Dual-Band Wireless A+B Broadband Router TCP Protocol Click this checkbox if you want to forward the data transmis-sions that use the TCP protocol. UDP Protocol Click this checkbox if you want to forward the data transmis-sions that use the UDP protocol. IP Address For each application, enter the IP ...

Dual-Band Wireless A+B Broadband Router 61 Instant Wireless ® Series 60 2. If you selected the Gateway mode, click the Apply button. If you selected the Router mode, proceed to step 3. 3. For Dynamic Routing, the default is Enable. The Dynamic Routing feature enables the Router to automatically adju...

Dual-Band Wireless A+B Broadband Router 63 Instant Wireless ® Series 62 The DMZ Host screen lets you enable the DMZ hosting feature, which allowsone local user to be exposed to the Internet for use of a special-purpose serv-ice such as Internet gaming or videoconferencing. Whereas port forwardingcan...

Dual-Band Wireless A+B Broadband Router 65 Instant Wireless ® Series 64 If you do not know your adapter’s MAC address, follow these instructions: 1. Click the Start button, and select Run. 2. Enter command in the f ield provided, and press the OK button. 3. At the command prompt, enter ipconfig /all...

Dual-Band Wireless A+B Broadband Router For Windows 2000: A. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections. B. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and select the Properties option. C. In the Compon...

Dual-Band Wireless A+B Broadband Router • Manually conf igure the TCP/IP settings with a DNS address provided by your ISP. • Make sure that your browser is set to connect directly and that any dial- up is disabled. For Internet Explorer, click Tools, Internet Options, andthen the Connection tab. Mak...

Dual-Band Wireless A+B Broadband Router 79 Instant Wireless ® Series 78 same CD key connect at the same time, even if on the same LAN (not a prob-lem with 1.0.1.3). As far as hosting games, the HL server does not need to bein the DMZ. Just forward port 27015 to the local IP address of the server com...

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 toping its IP address. 1. Power on the computer and the cable or DSL modem, and restore the net- work conf iguration set ...

Dual-Band Wireless A+B Broadband Router 89 Instant Wireless ® Series 88 A p p e n d i x C : C o n f i g u r i n g W i r e l e s s S e c u r i ty The Router offers two wireless security features. The basic feature is WiredEquivalent Privacy (WEP) encryption, an encryption method used to protectyour w...

Dual-Band Wireless A+B Broadband Router In addition to enabling WEP, Linksys also recommends the following securityimplementations:• Change the SSID from the default “linksys”• Change the SSID on a regular basis• Change the WEP key regularly• Enable MAC address f iltering (if your wireless products ...

Dual-Band Wireless A+B Broadband Router 93 Instant Wireless ® Series 92 2. The screen that appears will show any available wireless network. Select the appropriate network, and click the Advanced... button. 3. Click the Authentication tab. Make sure the box next to Enable network access control usin...

Dual-Band Wireless A+B Broadband Router 95 Instant Wireless ® Series 94 6. Enter the WEP key in the Network key f ield. Then click the OK button. 7. Make sure the network you want is selected in the Preferred networks box, and then click the OK button. Figure C-8 Figure C-7 4. Click the Wireless Net...

Dual-Band Wireless A+B Broadband Router 97 Instant Wireless ® Series 8. Click the Wireless Network Connection icon located in your computer’s system tray. 9. Complete the User name and Password f ields. Complete the Logon domain f ield if necessary. Then click the OK button. 10. Open your PC’s web b...

Dual-Band Wireless A+B Broadband Router 1. Make sure you have installed the wirelessadapter correctly into yourPC. Click the WirelessNetwork Connection iconlocated in your computer’ssystem tray. 2. The screen that appears will show any available wireless network. Select the appropriate network, and ...

Dual-Band Wireless A+B Broadband Router 5. Make sure the box next to Data encryption (WEP enabled) is checked. Make sure the box next to The key is provided for me automatically ischecked. Then click the OK button. 6. Make sure the appropriate network is selected, and click the OK button. 103 Instan...

Dual-Band Wireless A+B Broadband Router A p p e n d i x D : F i n d i n g t h e M A C A d d r e s s a n d I P Address for Yo u r E t h e r n e t A d a p t e r This section describes how to f ind the MAC address for your Ethernet adapterto do either MAC address f iltering or MAC address cloning for t...

Dual-Band Wireless A+B Broadband Router 2. In the command prompt, enter ipconfig /all. Then press the Enter key. 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter. This will appear as a series ofletters and numbers. The MAC address/P...

Dual-Band Wireless A+B Broadband Router (NIC) is the typical adapter that allows the PC or server to connect to theintranet and/or Internet. Ad-hoc Network - An ad-hoc network is a group of computers, each with awireless adapter, connected as an independent 802.11 wireless LAN. Ad-hocwireless comput...

Dual-Band Wireless A+B Broadband Router CSMA/CD (Carrier Sense Multiple Access/Collision Detection) - The LANaccess method used in Ethernet. When a device wants to gain access to the net-work, it checks to see if the network is quiet (senses the carrier). If it is not, itwaits a random amount of tim...

Dual-Band Wireless A+B Broadband Router 119 Instant Wireless ® Series 118 Packet - A unit of data routed between an origin and a destination in a network. Packet Filtering - Discarding unwanted network traff ic based on its originat-ing address or range of addresses or its type (e-mail, f ile transf...

Dual-Band Wireless A+B Broadband Router WAN (Wide Area Network) - A communications network that covers a rela-tively large geographic area, consisting of two or more LANs. Broadband com-munication over the WAN is often through public networks such as thetelephone (DSL) or cable systems, or through l...

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 7.32" x 1.89" x 6.89"(186 mm x 48...

Dual-Band Wireless A+B Broadband Router A p p e n d i x H : C o n t a c t I n f o r m a t i o n For help with the installation or operation of the Dual-Band Wireless A+BBroadband Router, contact Linksys Technical Support at one of the phone num-bers or Internet addresses below. Sales Information 800...