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Instant Wireless ® Series Dual-Band Wireless A+G Broadband Router Use this guide to install: WRT55AG User Guide.
FCC Caution: Any change or modification to the product not expr essly approved by Linksys could void the user's authority to operate the device. FCC Caution: Operation within the 5150 to 5250GHz band is restricted to indoor use only . FCC RF Radiation Exposure Statement T o comply with the FCC and ANSI C95.
Instant Wireless ® Series Dual-Band Wireless A+G Broadband Router T able of Contents Chapter 1: Introduction 1 The Dual-Band W ireless A+G Broadband Router 1 F eatures 2 The Router’ s Functions 2 I.
Dual-Band Wireless A+G Broadband Router Chapter 1: Introduction The Dual-Band W ireless A+G Broadband Router is like four devices in one box! The Router function lets you securel y share one high-speed Internet con- nection among your entire netw ork, while the 4-port full duplex 10/100 Switch jump-starts your wired-Ethernet network.
Dual-Band Wireless A+G Broadband Router 3 Remember that the Router’ s ports connect to tw o sides. The 10/100 LAN por ts connect to the LAN, and the Internet port connects to the Inter net. The LAN ports transmit data at 10 Mbps or 100 Mbps, and the broadband por t, or Internet por t, transmits data at 10/100 Mbps.
Dual-Band Wireless A+G Broadband Router • Chapter 5: Setting up the Dual-Band W ireless A+G Broadband Router This chapter will walk y ou through the Setup W izard included on the Setup CD-R OM.
Dual-Band Wireless A+G Broadband Router 7 Instant Wireless ® Series 6 The Router’ s LEDs, sho wn in Figure 2-2, displa y infor mation about the Router’ s status. Powe r Green . The Powe 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+G 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 when the Router is sending or receiving data o ver the Internet port.
Dual-Band Wireless A+G Broadband Router 11 Instant Wireless ® Series 10 3. Connect a different Ethernet network 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+G 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+G Broadband Router 3. Click the IP Addr ess tab . Select Obtain an IP addr ess automatically . 4. Now click the Gate wa y tab, and verify that the Installed Gateway f ield is blank. Click the OK button. 5. Click the OK button again.
Dual-Band Wireless A+G Broadband Router 3. Make sure the box next 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+G Broadband Router 3. Make sure the box next 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+G Broadband Router 3. As sho wn in Figure 5-2, you will need to ha ve y our PC connected to an activ e Inter net connection. The Setup W izard will use this connection to detect what type of Internet access you ha ve. V erify that you are set up cor- rectly to y our Inter net connection and click the Next button to continue.
Dual-Band Wireless A+G Broadband Router 6a. While making your Internet connection, the Router will require you to Lo g in, as sho wn in Figure 5-8. Enter the default passw ord: admin . Then, click the OK button. (This passw ord should be changed from the W eb-based Utility’ s P asswor d tab for greater security .
Dual-Band Wireless A+G Broadband Router 7b . When connecting to the Inter net through a DHCP connection: If you ha ve a cab le connection, you will see a screen similar to that sho wn in Figure 5-14. If y ou hav e a DSL connection, y ou will see a screen similar to that sho wn in Figure 5-15.
Dual-Band Wireless A+G Broadband Router 9. As sho wn in Figure 5-18, the Basic Settings screen for your 5 GHz/802.11a wireless products will appear . Enter your wireless netw ork’ s SSID and select the channel at which the netw ork broadcasts its wireless signal.
29 Instant Wireless ® Series 28 Dual-Band Wireless A+G Broadband Router 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).
31 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, sho wn in Figure 6-4.
Chapter 7: The Router’ s W eb-based Utility Use the Router’ s w eb-based utility to administer it. This chapter will describe each w eb page in the Utility and each page’ s key functions. The utility can be accessed via your w eb bro wser through use of a computer connected to the Router .
A utomatic Conf iguration - DHCP By default, the Router’ s Conf iguration T ype is set to Automatic Conf iguration - DHCP , as sho wn in Figure 7-4, and it should be k ept onl y if your ISP supports DHCP or you are connecting through a dynamic IP address.
37 Instant Wireless ® Series 36 Dual-Band Wireless A+G Broadband Router PPP oE Some DSL-based ISPs use PPP oE (P oint-to-P oint Protocol o ver Ethernet) to establish Internet connec- tions. If you are connected to the Internet through a DSL line, check with your ISP to see if they use PPP oE.
39 Instant Wireless ® Series 38 Dual-Band Wireless A+G Broadband Router Connect on Demand: Max Idle Time Y ou can conf igure the Router to cut the Internet connection after it has been inactive for a specif ied period of time (Max Idle T ime).
Dual-Band Wireless A+G Broadband Router 5GHz, 802.11a (WEP) The 5GHz, 802.11a (WEP) screen, shown in F igure 7-9, allows y ou to conf ig- ure your 5GHz, 802.11a WEP settings. WEP encryption should al wa ys be enabled to increase the security of your wireless net- w ork.
Dual-Band Wireless A+G Broadband Router 43 42 WEP (Encryption) An acron ym for W ired Equiv alent Pri vac y , WEP is an encryption method used to protect your wireless data communications. WEP uses a combination of 64-bit or 128-bit keys to pro vide access control to your netw ork and encr yption security for ev ery data transmission.
Dual-Band Wireless A+G Broadband Router 45 44 L2TP - La yer T wo T unneling Protocol is an extension of the P oint-to-P oint T unneling Protocol (PPTP) used by to enab le the operation of a vir tual pri- vate netw ork (VPN) ov er the Inter net. PPTP - P oint-to-Point T unneling Protocol is the method used to enable VPN sessions to a W indows NT 4.
Dual-Band Wireless A+G Broadband Router 47 Instant Wireless ® Series Cookies - A cookie is data stored on your PC and used b y Inter net sites when y ou interact with them.
Dual-Band Wireless A+G Broadband Router 49 Instant Wireless ® Series 48 4. Double-click the f ir mware upgrade f ile you e xtracted. 5. Click the Upgrade button, and follo w the on-screen instr uctions. Multicast P ass-Through IP Multicasting occurs w hen a single data transmis- sion is sent to multiple recipients at the same time.
Dual-Band Wireless A+G Broadband Router 51 Instant Wireless ® Series 50 The DHCP screen, shown in F igure 7-15, allo ws you to conf igure the settings for the Router’ s Dynamic Host Conf iguration Protocol (DHCP) ser ver function. The Router can be used as a DHCP ser ver for y our netw ork.
Instant Wireless ® Series 52 53 Dual-Band Wireless A+G Broadband Router The Status screen, sho wn in Figure 7-18, displa ys the Router’ s cur rent status and conf iguration. All information is read-only . Status Figure 7-18 Note: The information pro vided and buttons a v ailable ma y vary depending on the Router’ s settings.
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 Inter net connection is displa yed here. If there is no connection, you can click the Connect button to re-estab- lish it.
Dual-Band Wireless A+G Broadband Router Wir eless MA C Filters W ireless access can be f iltered by using the MA C addresses of the wireless devices transmitting within y our netw ork’ s radius. Select Enab le from the drop- do wn menu and choose if you wish to Pre vent wireless access b y MAC address or P er mit by MA C Address.
Dual-Band Wireless A+G Broadband Router 59 T ransmission Rate The rate of data transmission should be set depending on the speed of your wireless netw ork.
Internet Access P olicy Multiple Filters can be sa ved as Internet Access P olicies. When y ou wish to edit one, select the number of the P olicy from the drop-do wn menu. The tab will change to reflect the settings of this P olicy . If you wish to delete this P olicy , click the Delete button.
Dual-Band Wireless A+G Broadband Router 63 The P ort F orwar ding screen, sho wn in Figure 7-25, sets up pub lic ser vices on your netw ork, such as w eb ser vers, ftp servers, e-mail servers, or other spe- cialized Internet applications.
Dual-Band Wireless A+G Broadband Router 65 Pr otocol TCP Click this checkbo x if you w ant to forward the data transmis- sions that use the TCP protocol. Pr otocol UDP Click this checkbox if y ou want to forw ard the data transmis- sions that use the UDP protocol.
67 Instant Wireless ® Series 66 Dual-Band Wireless A+G Broadband Router 4. T o set up a static route betw een the Router and another network, select a number from the Static Routing drop-do wn list. (A static route is a pre- determined pathwa y that network information must tra vel to reach a spe- cif ic host or netw ork.
69 Instant Wireless ® Series 68 Dual-Band Wireless A+G Broadband Router Sho w Routing T ab le Click the Sho w Routing T ab le button to view all of the valid dynamic and static route entries in use (see F igure 7-28). The Destination LAN IP address, Subnet Mask, Gatew ay , and Interface information are dis- pla yed for each entry .
F or Windo 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.
73 Instant Wireless ® Series 72 Dual-Band Wireless A+G Broadband Router 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 key or click the OK button. • F or Windo ws NT , 2000, and XP , please click Start and Run .
of the w eb interf ace. 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). Note that each IP address must be unique within the netw ork.
settings. If the port number that the data enters from does not hav e port for- warding, then the Router will send the data to w hichev er PC or netw ork device you set for DMZ hosting.) F ollow these steps to set DMZ hosting: A. Access the Router’ s w eb-based utility by going to http://192.
C. Perform the upgrade using the Upg rade Utility , TFTP program or Router’ s w eb-based utility through its Help tab. 14. My DSL service’s PPPoE is alw ays disconnecting.
What 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? Y es, it is a built-in feature that the Router automatically enab les.
83 Instant Wireless ® Series 82 Dual-Band Wireless A+G Broadband Router Properties tab.) Mak e sure that your pro xy setting is disabled in the bro wser .
85 Instant Wireless ® Series 84 Dual-Band Wireless A+G Broadband Router What is the IEEE 802.11a standard? It is one of the IEEE standards for wireless netw orks. The 802.11a standard allo ws wireless networking hardw are from different manufacturers to commu- nicate, pro vided that the hardware complies with the 802.
noise. There are tw o main alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequenc y Hopping Spread Spectr um (FHSS). What is DSSS? What is FHSS? And what are their differ ences? Frequenc y-Hopping Spread-Spectr um (FHSS) uses a nar rowband carrier that changes frequency in a pattern that is kno wn to both transmitter and receiver .
Dual-Band Wireless A+G Broadband Router 89 Appendix B: How to Ping Y our ISP’ s E-mail & W eb Addresses V ir tually all Internet addresses are conf igured with w ords or characters (e.
Dual-Band Wireless A+G Broadband Router 91 90 Step T wo: Pinging for a Web Address While the IP address retur ned abo ve w ould work as y our e-mail ser ver address, it ma y not be per manent. IP addresses change all the time. W eb addresses, ho w- ev er, usuall y don’ t.
Dual-Band Wireless A+G Broadband Router 93 92 There are tw o types of WEP encryption for 802.1x, static and dynamic. Static WEP keys are more vulnerab le and can only be changed manuall y on all devices, including the Router . If you are using MD5 authentication, then y ou can only use static WEP keys.
Dual-Band Wireless A+G Broadband Router 3. Write down the Adapter Address as sho wn on your computer screen (see Figure E-3). This is the MAC address for y our Ether net adapter and will be sho wn as a series of numbers and letters. The MA C address/Adapter Address is what you will use for MA C address cloning or MA C f iltering.
Dual-Band Wireless A+G Broadband Router 97 2. In the command prompt, enter ipconf ig /all . Then press the Enter key . 3. Write do wn the Ph ysical Address as sho wn on your 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+G Broadband Router 99 Adapter - Printed circuit board that plugs into a PC to add to capabilities or connectivity to a PC. In a netw orked en vironment, a netw ork interf ace card is the typical adapter that allo ws the PC or ser ver to connect to the intranet and/or Internet.
Dual-Band Wireless A+G Broadband Router 101 asymmetric transfer rates: around 36 Mbps do wnstream (from the Inter net to the computer), and from 200 Kbps to 2 Mbps upstream (from the computer to the Internet).
Dual-Band Wireless A+G Broadband Router 103 code). Even if one or more bits in the chip are damaged during transmission, statistical techniques embedded in the receiv er can reco ver the original data without the need for retransmission.
Dual-Band Wireless A+G Broadband Router 105 Unlike e-mail pro g rams in which graphics and program f iles ha ve to be "attached ," FTP is designed to handle binary f iles directly and does not add the o verhead of encoding and decoding the data.
Dual-Band Wireless A+G Broadband Router 107 IPX ( I nter netw ork P acket E X change) - A NetW are communications protocol used to route messages from one node to another . IPX packets include netw ork addresses and can be routed from one netw ork to another .
Dual-Band Wireless A+G Broadband Router 109 108 used in 802.1x implementations; ho we ver , they are not specif ied by the 802.1x standard. RJ-45 ( R egistered J ack- 45 ) - A connector similar to a telephone connector that holds up to eight wires, used for connecting Ethernet devices.
Dual-Band Wireless A+G Broadband Router TCP ( T ransmission C ontrol P rotocol) - A method (protocol) used along with the IP (Internet Protocol) to send data in the for m of message units (datag ram) betw een network de vices o ver a LAN or W AN .
Dual-Band Wireless A+G Broadband Router 113 Appendix F: Specifications Standards 802.11a, 802.11b , draft 802.11g P orts Internet: One 10/100 RJ-45 Port for Cable/DSL Modem LAN: Four 10/100 RJ-45 Swit.
Dual-Band Wireless A+G Broadband Router 115 Dimensions 7.32" x 1.89" x 6.89" (186 mm x 48 mm x 175 mm) Unit Weight 0.88 lbs. (0.4 kg) Po w e r External, 5V DC , 2.5A Certifications FCC, CE Marking, Wi-Fi Operating T emp. 32ºF to 104ºF (0ºC to 40ºC) Storage T emp.
Appendix H: Contact Information F or help with the installation or operation of the Dual-Band W ireless A+G Broadband Router , contact Linksys T echnical Support at one of the phone num- bers or Internet addresses below .
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