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RF-Link Technology WRT55AG Network Card User Manual

1. be enabled to Passphrase increase the Key 1 security of your A wireless net ve work Figure 7 9 Default Transmit Key Select which WEP key 1 4 will be used when the Router sends data Make sure the receiver is using the same key WEP Encryption Keys 1 4 offer 64 bit 128 bit or 152 bit encryption select the type of encryption you want from the drop down box To disable WEP Encryption select Disable Passphrase Complete this field when using 64 bit or 128 bit encryption 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 16 alphanumeric characters This Passphrase function is compatible with Linksys wireless products only If you want to communi cate with non Linksys wireless products enter the WEP key s manually on the non Linksys wireless products After you enter the Passphrase click the Generate button to create WEP keys Keys 1 4 WEP keys enable you to create an encryption scheme for wireless LAN transmissions Manually enter a set of values Do not leave a key field blank and do not enter all zeroes These are not valid key values Keys 1 4 offer 64 bit 128 bit or 152 bit encryption If you are using 64 bit WEP encryption then the key must be exactly 10 hexa decimal characters in length If you are using 128 bit WEP encryption then the
2. Figure 7 27 Note The Routing screen and available features will vary depending on which mode you select To set up routing 1 Choose the correct working mode Select Gateway if the Router is hosting your network s connection to the Internet recommended for most users Select Router if the Router exists on a network with other routers Note If you ire noe ee were la lata CIO more than one router on your network you should ss select Router for the working mode 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 Disable The Dynamic Routing feature enables the Router to automatically adjust to physical changes in the net work s layout and exchange routing tables with the other router s The Router determines the network packets route based on the fewest number of hops between the source and the destination Select Enable to enable the Dynamic Routing feature for data transmissions Dual Band Wireless A G Broadband Router 4 To set up a static route between the Router and another network select a number from the Static Routing drop down list A static route is a pre determined pathway that network information must travel to reach a spe cific host or network Enter the following data e Enter Route Name Enter a name for the Route here using a maxi mum of 25 alphanumeric characters e Destination LAN
3. Figure 7 16 To save your changes on this page click the Apply button To cancel any unsaved changes on this page click the Cancel button To get more information about the features click the Help button 91 Instant Wireless Series The SNMP tab shown in Figure 7 17 allows you to customize the Simple Network Management Protocol SNMP settings SNMP is a popular network monitoring and management protocol REINE ER Setup Security System DHCP Status Help Advanced SNMP The SNMP screen allows you to customize the Simple Network Management Protocol SNMP settings for the Access Point and two SNMP Communities vee Enable M COC Contact Device Name Location Read Only E TTS A public private Read Write Figure 7 17 The Identification settings let you designate the Contact Device Name and Location information for the Router The SNMP Community settings allow names to be assigned to any SNMP communities that have been set up in the network You can define two different SNMP communities with the default names being Public and Private SNMPv2 To enable the SNMP support feature select Enable Identification In the Contact field enter contact information for the Router In the Device Name field enter the name of the Router In the Location field specify the area or location where the Router resides SNMP Community You may change the
4. Subnet Mask 0 0 o fo Default Gateway 0 0 0 0 User Name Password Connect on Demand Max Idle Time 5 Min O Keep Alive Redial Period 30 Sec MAC Address 00 11 22 33 44 55 ECCS 192 168 1 1 This is the IP address and Subnet Mask of STA EESE 255 255 255 0 Wireless Sur 802 114 Wireless 2AGHz e MEET HeR SSID test g WEP O Enable Disable Edit WEP Settings the Router as it is seen by your local network MAC Address 00 90 4B 0A C9 DC Mode Enable Channel 52 526GHz M Regulatory Domain US SSID testa WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 Mode Mixed Channel 6 2 437GHz M Regulatory Domain US SSID Broadcast Enable Figure 6 7 31 32 Instant Wireless Series 5 To configure the Router for your wireless network s perform these steps A To enable 5GHz 802 11a wireless networking make sure the SGHZ 802 11a Enable radio button is selected Then click the Change 5GHz Settings button and customize the SSID Channel and WEP encryption settings as needed Then click the Apply button to save your changes For more information refer to Chapter 7 The Router s Web based Utility Important Operation within the 5150 to 5250GHz band is restricted to indoor use only B To enable 2 4GHz Wireless G wireless networking make sure the 2 4GHz 802 11g Enable radio button is selected Then click the Ch
5. 11 Instant Wireless Series Wireless Connection to a PC If you want to use a wireless connection to access the Router follow these instructions Before you begin make sure that all of your network s hardware is powered off including the Router PCs and cable or DSL modem 2 Connect an Ethernet network cable from your cable or DSL modem to the Internet port on the Router s rear panel as shown in Figure 3 4 This is the only port that will work for your modem connection 3 Power on the cable or DSL modem Figure 3 4 4 Connect the power adapter to the Power port and then plug the power adapter into a power outlet Note You should always plug the Router s power adapter into a power A strip with surge protection e The Power LED on the front panel will light up green as soon as the power adapter is connected properly e The Diag LED will light up red for a few seconds and turn off when the self test is complete If this LED stays on for one minute or longer see Appendix A Troubleshooting 4 Power on one of the PCs on your wireless network s 5 For initial access to the Router through a wireless connection make sure the PC s wireless adapter has its SSID set to linksys a or linksys g which are the Router s default SSID settings depending upon the wireless devices you are using and its WEP encryption is disabled After you have accessed the Router you can change the Route
6. Enable z WEP O Enable Disable Apply _ Cancel Help Figure 7 4 35 Instant Wireless Series Static IP En LINKSYS 5 Status Help Advanced s The S r let figure the basic Internet LAN and wirel ttings If you are required to Setup For fate lentes pates son the User Guide or click the Help reste use a permanent IP liu ELCRUTETLEN 1 05 Feb 18 2003 address to connect to LOEIT GMT 08 00 Pacific Time USA amp Canada E Automatically adjust clock for daylight saving changes the Internet then select Static IP as shown in Figure 7 5 Domain Name e Connection Type Static IP Internet MAC Address 00 11 22 33 44 56 Host Name Host and Domain settings may be required by your ISP Select the type of connection you have to the Internet Internet IP Address 0 o o o Subnet Mask o o all No o Default Gateway o fo 10 LE fo 2 o_ o_ 3 o o 0 0 DNS Required 1 10 0 0 10 0 0 MAC Address 00 11 22 33 44 55 TCC wm 192 168 1 1 This is the IP address and Subnet Mask of ETLNCTLECSS 255 255 255 0 D the Router as it is seen by your local network Wireless MAC Address 00 90 4B 0A C9 DC Mode Enable i 5 CIS PAR Channel 52 5 26GHz M Regulatory Domain US 802 11a SSID ltesta 802 11a Wireless f WEP Enable Disable
7. Supports IPSec and PPTP Pass Through e Easily Configurable through a Web Browser Locally and over the Internet e DDNS and DHCP Server Capability to Assign IP Addresses Automatically e Supports Static and Dynamic Routing RIP1 and 2 The Router s Functions Simply put a router is a network device that connects two networks together A wireless router connects three networks In this instance the Router connects your wired network and wireless network or the group of PCs in your home or office to the Internet The Router process es and regulates the data that travels between these networks The Router s NAT feature protects your network of PCs so users on the public Internet side cannot see your PCs This is how your network remains private The Router protects your network by inspecting every packet coming in through the Internet port before delivery to the appropriate PC on your net work The Router inspects Internet port services like the web server ftp server or other Internet applications and if allowed it will forward the packet to the appropriate PC on the LAN side Dual Band Wireless A G Broadband Router Remember that the Router s ports connect to two sides The 10 100 LAN ports connect to the LAN and the Internet port connects to the Internet The LAN ports transmit data at 10 Mbps or 100 Mbps and the broadband port or Internet port transmits data at 10 100 Mbps Your wireless devices connect to the
8. A notebook computer is a battery powered personal comput er generally smaller than a briefcase that can easily be transported and conve niently used in temporary spaces such as on airplanes in libraries temporary offices and at meetings A notebook computer sometimes called a laptop com puter typically weighs less than five pounds and is three inches or less in thick ness OFDM Developed for wireless applications Orthogonal Frequency Division Multiplexing OFDM technology offers superior performance increased data rates and more reliable transmissions than previous technologies such as DSSS OFDM is a scheme in which numerous signals of different frequencies are combined to form a single signal for transmission on the medium OFDM works by breaking one high speed data stream into a number of lower speed data streams which are then transmitted in parallel Each lower speed stream is used to modulate a subcarrier Essentially this creates a multi carrier transmission by dividing a wide frequency band or channel into a number of narrower frequency bands or sub channels OFDM 1s also used for other appli cations including powerline networking 107 108 Instant Wireless Series Packet A unit of data routed between an origin and a destination in 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
9. D is your PC s CD ROM drive To set up the first computer connected to the Router click the Set Up First Computer button When you are ready to set up additional PCs click the Set Up Additional Computer s button Clicking the User Guide button opened this User Guide To exit this Setup Wizard click the Exit button instant Wireless Series Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 GHz 2 4Ghz C Linksys Welcome WRT55 Thank you for choosing the Dual Band Wireless A G Broadband Router To set up the Router and your first computer select Set Up First Computer Set Up First To set up the rest of your computers 7 Computer on your network select Set Up ETELE L computer s Additional Computer s User Guide a Exit Copyright 2003 Linksys Group Inc All rights reserved Figure 5 1 Dual Band Wireless A G Broadband Router 3 As shown in Figure 5 2 you will need to have your PC connected to an active Internet connection The Setup Wizard will use this connection to detect what type of Internet access you have Verify that you are set up cor rectly to your Internet connection and click the Next button to continue g Instant Wireless Series Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 O Linksys Attention Make sure your computer is connected directly to your cable or DSL modem and has an Internet connection After you click the Ne
10. 192 168 1 100 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 1 Release Renew Release All Renew ill More Info gt gt Figure D 3 Write down the IP Address as shown on your computer screen The exam ple in Figure E 3 shows the IP address of your Ethernet adapter as 192 168 1 100 Your computer may show something different Note The MAC address is also called the Adapter Address For Windows NT 2000 and XP 1 Click Start and Run In the Open field enter cmd Press the Enter key or click the OK button Type the name of a program folder document or Internet resource and Windows will open it For you er es eee Figure D 4 g5 96 Instant Wireless Series 2 In the command prompt enter ipconfig all Then press the Enter key C gt ipconfig all Windows 2000 IP Configuration Host Name Primary DNS Suffix Node Type IP Routing Enabled WINS Proxy Enabled Ethernet adapter Local Area Connection Connection specific DNS Suffix Description Linksys LNE1BBTX lt u5 Fast Ethernet A dapter 66 66 066 66 06 IP z 168 1 106 Subnet Mask 205 205 8 Default Gateway 168 1 1 DHCP Server BS WS jus DO S DNS Servers ay HS pe D Primary WINS Server L681 52 Secondary WINS Server Lease Obtained Monday February 11 2062 2 31 47 PM Lease Expires Tuesday February 12 2002 2 31 47 P Figure D 5 3 Write down the Physical Address as shown on you
11. NAT translates multiple IP addresses on the pri vate LAN to one public address that is sent out to the Internet This adds a level of security 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 95 Windows 98 Windows Millennium Windows 2000 Windows NT or Windows XP Yes but Linksys does not at this time provide technical support for setup con figuration or troubleshooting of any non Windows operating systems 81 82 Instant Wireless Series Does the Router support ICQ send file Yes with the following fix click ICQ menu gt preference gt connections tab gt and check I 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 set up an Unreal Tournament Server but others on the LAN cannot join What do 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 forwardi
12. Wireless Adapter 4 Cable or DSL Modem PC with Ethernet Adapter Figure 1 1 e Chapter 7 The Router s Web based Utility The Web based Utility controls all of the Router s functions and settings This chapter shows you how to use this Utility When you re finished with these basic steps you will be ready to connect to the Internet You can also modify the Router s settings further for example you can adjust security features and other settings to enable online gaming see Chapter 7 The Router s Web based Utility Instant Wireless Series Dual Band Wireless A G Broadband Router Chapter Getting 0 Know the The Reset Button The Reset button can be used in one of two ways Dual Band Wireless A G If the Router is having problems connecting to the Internet press the Reset Broadband Router button for just a moment with a paper clip or a pencil tip This clears up any jammed connections and is similar to pressing the Reset button on your PC The Router s Back Panel to reboot it The Router s ports shown in Figure 2 1 are located on the Router s back panel This will reboot the Router while keeping all of the Router s settings If you are experiencing extreme problems with the Router and have tried all other troubleshooting measures press the Reset Button and hold it down for 10 seconds This will restore factory defaults and clear all of the Router s settings including settings such
13. a tunneling service is any network service enabled by tunneling protocols such as PPTP L2F L2TP and IPSEC tunnel mode One example of a tunneling service is secure access from a remote small office net work to a headquarters corporate intranet via a Virtual Private Network VPN that traverses the Internet However tunneling services are not restricted to cor porate environments and may also be used for personal 1 e non business applications RADIUS Remote Authentication Dial In User Service A protocol used to control network access RADIUS enables servers to authenticate users so only legitimate users are granted network access RADIUS servers are frequently Dual Band Wireless A G Broadband Router used in 802 1x implementations however they are not specified by the 802 1x standard RJ 45 Registered Jack 45 A connector similar to a telephone connector that holds up to eight wires used for connecting Ethernet devices RMON Remote MONitoring RMON provides comprehensive network monitoring capabilities It eliminates the polling required in standard SNMP and can set alarms on a variety of traffic conditions including specific error types Roaming In an infrastructure mode wireless network this refers to the abili ty to move out of one access point s range and into another and transparently reassociate and reauthenticate to the new access point This reassociation and reauthentication should occur without user
14. connectivity to a PC In a networked environment a network interface card 1s the typical adapter that allows the PC or server to connect to the intranet and or Internet Ad hoc Network An ad hoc network is a group of computers each with a wireless adapter connected as an independent 802 11 wireless LAN Ad hoc wireless computers operate on a peer to peer basis communicating directly with each other without the use of an access point Ad hoc mode is also referred to as an Independent Basic Service Set or as peer to peer mode ADSL Asymmetric Digital Subscriber Line A technology for transmitting digital information at a high bandwidth on existing phone lines to homes and businesses Unlike regular dialup phone service ADSL provides continuously available always on connection ADSL is asymmetric in that it uses most of the channel to transmit downstream to the user and only a small part to receive information from the user ADSL simultaneously accommodates analog voice information on the same line ADSL is generally offered at downstream data rates from 144 Kbps to about 6 Mbps A form of ADSL known as Universal ADSL or G lite has been approved as a standard by the ITU TS ADSL was specifically designed to exploit the one way nature of most multi media communication in which large amounts of information flow toward the user and only a small amount of interactive control information is returned Several experiments with ADSL to real
15. 116 Dual Band Wireless A G Broadband Router Chapter 1 Introduction The Dual Band Wireless A G Broadband Router The Dual Band Wireless A G Broadband Router is like four devices in one box The Router function lets you securely share one high speed Internet con nection among your entire network while the 4 port full duplex 10 100 Switch jump starts your wired Ethernet network Connect four PCs directly or daisy chain out to more hubs and switches to create as big a network as you need The Dual Band Wireless A G Broadband Router also contains two Wireless Access Points supporting all three wireless networking specifications The first Access Point uses the 2 4GHz radio band supporting both the popular and inexpensive Wireless B 802 11b standard at 11Mbps and the new almost five times faster Wireless G draft 802 11g at 54Mbps The second Access Point radio operates in the 5GHz band and supports Wireless A 802 1 1a net working also at 54Mbps Since the two radios operate in different bands they can work simultaneously blanketing your wireless zone with bandwidth To protect your data and privacy the Dual Band Wireless A G Broadband Router can encrypt all wireless transmissions The MAC Address filter lets you decide exactly who has access to your wireless network The Router also serves as a DHCP Server has NAT technology to protect against Internet intruders DMZ capability supports VPN pass through and can be configu
16. Delivery Traffic Indicator Maps and the Traffic Indicator Message TIM Bit A binary digit The value 0 or l used in the binary numbering system Also the smallest form of data Boot To cause the computer to start executing instructions Personal comput ers contain built in instructions in a ROM chip that are automatically executed on startup These instructions search for the operating system load it and pass control to it Broadband A data transmission scheme in which multiple signals share the bandwidth of a medium This allows the transmission of voice data and video signals over a single medium Cable television uses broadband techniques to deliver dozens of channels over one cable 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 or PC The word browser seems to have originated prior to the Web as a generic term for user interfaces that let you browse text files online Buffer A buffer is a shared or assigned memory area used by hardware devices or program processes that operate at different speeds or with different sets of priorities The buffer allows each device or process to operate without being held up by the other In order for a buffer to be effective the size of the buffer and the algorithms for moving data into and out of the buffer need to be considered by the buffer designer Like a cache a buffer is a midpoint holding
17. FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCUMENTATION LINKSYS DOES NOT OFFER REFUNDS FOR ANY PRODUCT LINKSYS OFFERS CROSS SHIPMENTS A FASTER PROCESS FOR PRO CESSING AND RECEIVING YOUR REPLACEMENT LINKSYS PAYS FOR UPS GROUND ONLY ALL CUSTOMERS LOCATED OUTSIDE OF THE UNITED STATES OF AMERICA AND CANADA SHALL BE HELD RESPONSIBLE FOR SHIPPING AND HANDLING CHARGES PLEASE CALL LINKSYS FOR MORE DETAILS 115 116 Instant Wireless Series For help with the installation or operation of the Dual Band Wireless A G Broadband Router contact Linksys Technical Support at one of the phone num bers or Internet addresses below Sales Information 800 546 5797 1 800 LINKSYS Technical Support 800 326 7114 RMA Issues 949 271 5461 Fax 949 265 6655 Email support linksys com Web site http www linksys com FTP site ftp ftp linksys com p www linksys com Sa eve Copyright 2003 Linksys All Rights Reserved
18. PC configuration Internet Protocol IP Properties General Altemate Configuration You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings paf re the following IP address IP addre ubnet mas Default gateway Obtain DNS server address automatically Use the following DNS server addresses E Figure 4 8 5 Restart your computer Go to Chapter 5 Setting Up the Dual Band Wireless A G Broadband Router 19 20 Instant Wireless Series Chapter 5 Setting Up the Dual Band Wireless A G Broadband Router When you are ready to connect the Router to your network the Router s Setup Wizard will take you through all the steps necessary for configuration Note While the Router has been designed to work correctly right out of the box setting it up on a wireless computer will require you to use the Linksys default settings These settings can then be changed with the Setup Wizard or Web based Browser Utility 1 Insert the Setup Wizard CD into your PC s CD ROM drive Your PC must have an active Internet connection 2 The screen in Figure 5 1 should appear on your monitor If it does not this means the autorun is not functioning Start the Setup Wizard manually by clicking the Start button selecting Run and typing d setup exe where
19. 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 Router PPTP Pass Through is enabled by default To disable PPTP Pass Through uncheck the box next to PPTP Web Filters Using the Web Filters feature you may enable up to four specif ic filtering methods Proxy Use of WAN proxy servers may compromise the Router s security Denying Proxy will disable access to any WAN proxy servers To enable proxy filtering click the Proxy box Java Java is a programming language for websites If you deny Java you run the risk of not having access to Internet sites created using this pro gramming language To enable Java filtering click the Java box ActiveX ActiveX is a programming language for websites If you deny ActiveX you run the risk of not having access to Internet sites created using this programming language To enable ActiveX filtering click the ActiveX box 45 Instant Wireless Series Cookies cookie 1s data stored on your PC and used by Internet sites when you interact with them To enable cookie filtering click the Cookies box DMZ The DMZ hosting feature allows one local user to be exposed to the Internet for use of a special purpose service such as Internet gaming or video conferencing DMZ hosting forwards all the ports at the same time to one PC The Port Forwarding feature is more secure because it only opens
20. Port Range Incoming Port Range trigger see o1 o J o 0 lelo Figure 7 26 02 0 0 0 0 03 0 0 0 0 04 0 0 0 0 05 0 0 0 0 06 0 0 0 0 07 0 0 0 0 08 0 0 0 0 09 0 0 0 0 10 0 o 0 0 Figure 7 26 2 Enter the Outgoing Port Range used by the application Check with the Internet application for the port number s needed 3 Enter the Incoming Port Range used by the application Check with the Internet application for the port number s needed 4 Click the Apply button to save your changes Click the Cancel button to cancel your unsaved changes Click the Close button to return to the Port Forwarding screen To save your changes on this page click the Apply button To cancel any unsaved changes on this page click the Cancel button To get more informa tion about the features click the Help button 65 66 Instant Wireless Series On the Routing screen shown in Figure 7 27 you can set the routing mode of the Router Gateway mode is recommended for most users t Linksys Le Routing DNS On this screen configure the routing mode and settings for the Router Gateway mode is recommended for most users Routing TOLLE Router M Dynamic Routing RIP Disable v SEREM 1 v Select Route Entry Delete This Entry Enter Route Name Destination IP Address 10 j 1 Z Subnet Mask 0 Gateway Interface LAN amp Wireless i
21. Router through either 802 1 1a 802 11b or draft 802 11g wireless technol ogy IP Addresses What s an IP Address IP stands for Internet Protocol Every device on an IP based network including PCs print servers and routers requires an IP address to identify its location or address on the network This applies to both the Internet and LAN connections There are two ways of assigning an IP address to your network devices You can assign static IP addresses or use the Router to assign IP addresses dynamically Note Since the Router uses NAT technology the only IP address that can be seen from the Internet for your network is the Router s Internet IP address However even this Internet IP address can be blocked so that the Router and network seem invisible to the Internet see the Block WAN Requests description under Filters in Chapter 7 The Router s Web based Utility Static IP Addresses A static IP address is a fixed IP address that you assign manually to a PC or other device on the network Since a static IP address remains valid until you disable it static IP addressing ensures that the device assigned it will always have that same IP address until you change it Static IP addresses must be unique and are commonly used with network devices such as server PCs or print servers If you use the Router to share your cable or DSL Internet connection contact your ISP to find out if they have assigned a stati
22. Setup Security System DHCP SNMP Status and Help screens are avail able for basic setup For advanced setup click the Advanced tab to access these screens Advanced Wireless Internet Filter Port Forwarding Routing and DDNS How to Access the Web based Utility To access the web based utility launch Internet Explorer or Netscape Navigator and enter the Romers default IP Address http 192 168 1 1 the Address field as shown in Figure 7 1 Then press Enter Figure 7 1 A password request page shown in Figure 7 2 will pop up Windows XP users will see a Connect to 192 168 1 1 window shown in Figure 7 3 Leave the User Name field blank and enter admin the default password in the Password field Then click the OK ip button E Enter Network Password d 2 xi D Please type your user name and password Linksys WRTSSAG Realm Linksys WRT554G Password ce User Name Password RER IT Save this password in your password list Carcel C Remember my password Figure 7 3 Figure 7 2 33 Instant Wireless Series Note For added security you should always change the password A through the Password screen of the web based utility To apply any of the settings you change on a page click the Apply button To cancel any changes you ve entered on any page click the Cancel button To get additional information about any screen s features click the Help butto
23. This makes the WEP key s more difficult to break so network security is strengthened To enable dynamic WEP keys you must use 802 1x certificate based authentication methods such as TLS or TTLS WEP Encryption Make sure your wireless network is functioning before attempting to configure WEP encryption On a wireless network a 128 bit WEP encrypted device will NOT communi cate with a 64 bit WEP encrypted device Therefore make sure that all of the wireless devices on each network are using the same encryption level In addition to enabling WEP Linksys also recommends the following security implementations e Change the SSID from the default linksys e Change the SSID on a regular basis e Change the WEP key regularly e Enable MAC address filtering if your wireless products allow it For instructions on how to configure the Router s WEP settings go to the Setup section of Chapter 7 The Router s Web Based Utility For instruc tions on how to configure the WEP settings of your PC s wireless adapter refer to your wireless adapter s documentation 93 94 Instant Wireless Series Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your Ethernet adapter to do either MAC address filtering or MAC address cloning for the Router and ISP You can also find the IP address of your computer s Ethernet adapter The IP addr
24. an Ethernet net work cable to one of the LAN ports labeled 1 4 on the back of the Router and the other end to an Ethernet port on a PC Figure 3 1 Repeat this step to connect more PCs a switch or other network devices to the Router Dual Band Wireless A G Broadband Router 3 Connect a different Ethernet network cable from your cable or DSL modem to the Internet port on the Router s rear panel This is the only port that will work for your modem connection Figure 3 2 4 Power on the cable or DSL modem 5 Connect the power adapter to the Router s Power port and then plug the power adapter into a power outlet Note You should always plug the Router s power adapter into a power strip with surge pro tection Figure 3 3 The Power LED on the front panel will light up green as soon as the power adapter is connected properly The Diag LED will light up red for a few seconds It will turn off when the self test is complete If this LED stays on for one minute or longer see Appendix A Troubleshooting 6 Power on one of your PCs Have you checked that the Link Act LEDs for all your LAN con nections and the Link LED for your Internet connection light up If all of your Link LEDs are not lighting up make sure that all your cables are securely plugged in and that all of your hardware is pow ered on properly Verify that the modem is plugged into the Internet port on the Router
25. 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 Also due to FCC regulations more power may be transmitted using 802 1la on channels 52 56 60 and 64 than on the lower channels Lastly click the Advanced tab of the web based utility and make sure that FULL is selected in the Transmission Power field 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 64 128 or 152 are being used on all nodes of your wireless network How many channels frequencies are available with the Router Using 802 11a there are eight available channels ranging from 36 to 64 Using 802 11 g draft there are eleven available channels ranging from 1 to 11 What is the difference in range 80211a 802 11b between 802 11a and 802 11g ff lea products fat S Overall range will be a little r he less in a typical environment i A m and while higher speeds may be achieved with 802 1 1a through CS e put degrades more quickly See tes ait Figure A 1 donin mob bite M md Motall data ratas shown be ee al Figure A 1 If your questions are not addressed here refer to the Linksys website www linksys com Dual Band W
26. characters in length and must not include any spaces Enter the new Password in the second field to confirm it VPN Pass Through Virtual Private Networking VPN is typically used for work related networking For VPN tunnels the Router supports IPSec Pass Through and PPTP Pass Through IPSec Internet Protocol Security IPSec is a suite of protocols used to implement secure exchange of packets at the IP layer To allow IPSec tun nels to pass through the Router IPSec Pass Through is enabled by default To disable IPSec Pass Through uncheck the box next to PSec Dual Band Wireless A G Broadband Router 6a LINKSYS Setup Security System DHCP SNMP Status Help Advanced The Security screen allows you to change the Router s security settings It is strongly recommended that you change the factory default password of the Router which is admin All users who try to access the Router s web based utility or Setup Wizard will be prompted for the Router s password Security Router Password eeeee a Enter New Password CE Re enter to Confirm VPN Pass Through IPSec L2TP M PPTP OTs C Proxy O Java O ActiveX C Cookies PU Disable M DMZ Host IP Address 192 168 1 Block WAN Request Enable Figure 7 12 L2TP Layer Two Tunneling Protocol is an extension of the Point to Point Tunneling Protocol PPTP used by to enable the operation of a virtual pri vate network VPN over the Internet PPTP
27. data to a specific comput er 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 A Access the Router s web interface by going to http 192 168 1 1 or the IP address of the Router Go to the Advanced gt Port Forwarding tab B Enter any name you want to use for the Customized Application C 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 D Check the protocol you will be using TCP and or UDP E 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 D Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address F Check the Enable option for the port services you want to use Consider the example below Customized External Port TCP UDP IP Address Enable PAPA aa anaes UT 7777 to 27900 X X 192 168 1 100 X Halflife 27015 to 27015 X X 192 168 1 105 X PC Anywhere 5631 to 5631 X 192 168 1 102 X VPN IPSEC 500 to 500 X 192 168 1 100 X When you have completed the configuration cl
28. for Windows 2000 1 Click the Start button and then the Control Panel icon Click the Network and Internet Connections icon Then click the Network Connections icon 2 Select the Local Area Connection icon for the applicable Ethernet adapter usually it is the first Local Area Connection listed Double click the Local Area Connection Click the Properties button Local Area Connection 39 Status General Connection Status Connected Duration 2 days 02 56 16 Speed 100 0 Mbps Activity Sent a Received Packets 29 058 25 300 Properties Figure 4 6 18 Dual Band Wireless A G 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 General Authentication Advanced Connect using B Linksys LNE100TX Fast Ethemet Adapter LNE100TX v4 This connection uses the following items E Client for Microsoft Networks po File and Printer Sharing for Microsoft Networks Intemet Protocol TCP IP Install Uninstall Description Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected Figure 4 7 4 Select Obtain an IP address automatically Once the new window appears click the OK button Click the OK button again to complete the
29. for details on getting an IP address Once completed with the configuration click the Apply button 9 forgot my password or the password prompt always appears when am sav ing settings to the Router Reset the Router to factory default by pressing the Reset button for 10 seconds and then releasing it If you are still getting prompted for a password when sav ing settings then perform the following steps A 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 Security tab B Enter a different password in the Router Password field and enter the same password in the second field to confirm the password C Click the Apply button 10 I am a PPPoE user and 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 connection 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 For Microsoft Internet Explorer 5 0 or higher A Click Start Settings and Control Panel Double click Internet Options B Click the Connections tab C Click the LAN settings button and remove anything that is checked D Click the OK button to go back to the previous
30. frequency interval of the beacon Enter a value between 20 and 1000 A beacon is a packet broadcast by the Router to synchronize the wireless network The default value is 100 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 mul ticast messages When the Router has buffered broadcast or multicast messages for 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 mes sages The default value is 1 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 99 Instant Wireless Series Fragmentation Threshold This value specifies the maximum size for a pack et before data is fragmented into multiple packets If you experience a high packet error rate you may slightly increase the Frag
31. key must be exactly 26 hexadecimal characters in length If you are using 152 bit WEP encryption then the key must be exactly 32 hexadecimal characters in length Valid hexadecimal characters are 0 9 and A F 41 42 Instant Wireless Series Check all the values and click the Apply button to save your 5GHz 802 11a WEP settings To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help but ton 2 4GHz 54g Wireless G The 2 4GHz 802 11g draft portion of the Setup screen shown in Figure 7 10 allows you to configure your 2 4GHz Wireless G wireless network settings MAC Address 00 90 4B 21 BB 88 2 4 GHz Mode Mixed 4 Channel 6 2437GHz Regulatory Domain US UMHAIECAeR SSID testg SSID Broadcast Enable WEP Enable Disable Figure 7 10 Mode If you have Wireless G and 802 11b devices in your network then keep the default setting Mixed If you have only Wireless G devices select G Only If you do not have any Wireless G and 802 11b devices in your network select Disable Channel Select the appropriate channel from the list provided to correspond with your network settings between 36 and 64 All devices in your wireless network must use the same channel in order to function correctly If you want the Router to automatically scan for a clear channel then click the checkbox SSID The SSID is t
32. name from its default Public Enter a new name in the Public field Then configure the community s access as either Read Only or Read Write You may change the name from its default Private Enter a new name in the Private field Then configure the communi ty s access as either Read Only or Read Write When you ve completed making any changes on this tab click the Apply but ton to save those changes or Cancel to cancel your changes For more infor mation on this tab you can click the Help button 52 Dual Band Wireless A G Broadband Router The Status screen shown in Figure 7 18 displays the Router s current status and configuration All information is read only U Linksys Setup Security System DHCP SNMP Help Advanced The Status screen displays the Router s current status and configuration This information is Status read only tue CA GANCH 1 05 Feb 18 2003 TT Thu Jan 1 00 14 22 1970 Host Name Domain Name MAC Address 00 11 22 33 44 55 192 168 1 1 ESTE TEE a 255 255 255 0 Enable Wireless MAC Address 00 90 4B 0A C9 DC Enable 5 GHz SSID test a ae ea 2 802 11a Wireless Disable MAC Address 00 90 4B 21 BB 88 Mode 2 CRETE 2 PM name Wireless G PEncryptonruncton O s able Internet MAC Address 00 11 22 33 44 56 Cem IE PPPoE ICI Connecting RENTE 0 0 0 0 Ee ee 0 0 0 0 Default Gateway 0 0 0 0 0 0 0 0 DNS 0 0 0 0 0 0 0 0 Figure 7 18 Note The information provid
33. not 3 Replace your ISP s abbreviated server address with this extended web address in the corresponding Internet application web browser e mail application etc Once you have replaced the brief server address with the true server address the Router should have no problem accessing the Internet through that Internet application 91 Instant Wireless Series Appendix C Configuring Wireless Security Background 92 The Router offers two wireless security features The basic feature is Wired Equivalent Privacy WEP encryption an encryption method used to protect your wireless data communications WEP uses 64 bit 128 bit or 152 bit keys to provide access control to your network and encryption security for every data transmission To decode a data transmission each point in a network must use an 1dentical key Higher encryption levels mean higher levels of security but due to the complexity of the encryption they may mean decreased network performance You may also have heard the term 40 bit used in conjunction with WEP encryption This 1s simply another term for 64 bit WEP encryption This level of WEP encryption has been called 40 bit because it uses a 40 bit secret key along with a 24 bit Initialization Vector 40 24 64 Wireless vendors may use either name Linksys uses the term 64 bit when referring to this level of encryption Note WEP encryption is an additional data security measure and not e
34. of the IEEE standards for wireless networks The 802 11a standard allows wireless networking hardware from different manufacturers to commu nicate provided that the hardware complies with the 802 1la standard The 802 11a standard states a maximum data transfer rate of 54Mbps and an oper ating frequency of 5GHz What is the IEEE 802 11b standard It is one of the IEEE standards for wireless networks The 802 11b standard allows wireless networking hardware from different manufacturers to commu nicate provided that the hardware complies with the 802 11b standard The 802 11b standard states a maximum data transfer rate of 11 Mbps and an oper ating frequency of 2 4GHz What IEEE 802 11a features are supported The product supports the following IEEE 802 1 1a functions e OFDM protocol e Multi Channel Roaming e Automatic Rate Selection e RTS CTS feature e Fragmentation e Transmission Power Control e Dynamic Frequency Selection What IEEE 802 11b features are supported The product supports the following IEEE 802 11b functions e CSMA CA plus Acknowledge protocol e Multi Channel Roaming e Automatic Rate Selection e RTS CTS feature e Fragmentation e Power Management What is ad hoc mode When a wireless network is set to ad hoc mode the wireless equipped com puters are configured to communicate directly with each other The ad hoc wireless network will not communicate with any wired network What is infrastructure mod
35. or follow these steps prior to connecting the Router to your network 09 90 Instant Wireless Series Step One Pinging an IP Address The first step to determining your ISP s web and e mail server address is to ping its IP address l Power on the computer and the cable or DSL modem and restore the net work configuration set by your ISP if you have since changed it Click Start and then Run Type command in the Open field This will bring up the DOS window At the DOS command prompt type ping mail assuming that the location for which you re trying to find an IP address is configured as mail Press the Enter key Information such as the following data taken from a ping of Microsoft Network s e mail server will be displayed CN sping marl Pinging mail 24 53 32 4 with 32 bytes of data Reply from 24 53 32 Reply from 24 53 32 Reply from 24 53 32 Reply from 24 53 32 bytes 32 time lt 10ms TTL 128 bytes 32 time lt 10ms TTL 128 bytes 32 time lt 10ms TTL 128 bytes 32 time lt 10ms TTL 128 Pe PB Ping Statistics for 24 52 32 4 Packets Sent 4 Received 4 Lost 0 0 lesen Approximate round trip times in milli seconds Minimum Oms Maximum Oms Average Oms Figure B 1 4 Write down the IP address returned by the ping command in the example above 24 53 32 4 This IP address is the actual IP address of the server mail or any other word or value you have pinged Dual
36. place but exists not so much to accelerate the speed of an activity as to sup port the coordination of separate activities Cable Modem A device that connects a computer to the cable television net work which in turn connects to the Internet Once connected cable modem users have a continuous connection to the Internet Cable modems feature 99 100 Instant Wireless Series asymmetric transfer rates around 36 Mbps downstream from the Internet to the computer and from 200 Kbps to 2 Mbps upstream from the computer to the Internet CAT 5 ANSI EIA American National Standards Institute Electronic Industries Association Standard 568 is one of several standards that specify categories the singular is commonly referred to as CAT of twisted pair cabling systems wires junctions and connectors in terms of the data rates that they can sustain CAT 5 cable has a maximum throughput of 100 Mbps and is usually utilized for 100BaseTX networks Cookie Data created by a Web server that is stored on a user s computer It provides a way for the Web site to keep track of a user s patterns and prefer ences and with the cooperation of the Web browser to store them on the user s own hard disk CSMA CA Carrier Sense Multiple Access Collision Avoidance In local area networking this is the CSMA technique that combines slotted time divi sion multiplexing with carrier sense multiple access collision detection CSMA CD to avoid
37. points in the wireless network It is case sensitive and must not exceed 32 characters which may be any keyboard character The default SSID linksys a should be changed for greater security Make sure this setting is the same for all points in your wireless network Channel Select SAC the appropriate channel from the list provided to correspond K Instant Wireless Series a LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Basic Settings 1 Linksys wireless products are made to work right out of the box Change these with your net WARNING 99s oniy if necessary Changes to these settings may disrupt the settings S GHz on your existing wireless network Make sure to write these settings down They work settings will be needed when setting up other wireless computers on your network betwe en 3 6 and Basic Settings enable the Access Point to interact with your network Verify this information and enter it in the appropriate field below 64 All points in EM your wireless 52 This is the channel on which your wireless network is network must pit al should be the same for all points on use the same channel in order to function cor The SSID is like a network ID and is the same for all points on your network The SSID is case sensitive and should not exceed 32 characters Copyright 2003 Linksys Group Inc All rights reserved rectly Figure 5 18 tion performed with the
38. save your 2 4GHz Wireless G settings To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button 2 4GHz 54g Wireless G WEP The 2 4GHz 802 11b WEP screen shown in Figure 7 11 allows you to con figure your 2 4GHz Wireless G WEP settings WEP encryption is recom mended to increase the 2AGHZ security of Wireless G your wireless network Make sure that all wireless devices on your 2 4GHz network are using the same encryption level and key WEP keys must consist of the letters A through F and the numbers 0 through 9 D S TISIELQUILO ER 1 O2 O3 O4 WEP Encryption 64 bits 10 hex digits M C Passphrase Key 2 Key 3 Key 4 Key 1 Figure 7 11 Default Transmit Key Select which WEP key 1 4 will be used when the Router sends data Make sure the receiver is using the same key WEP Encryption Keys 1 4 offer 64 bit or 128 bit encryption select the type of encryption you want from the drop down box To disable WEP Encryption select Disable 43 44 Instant Wireless Series 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 16 alphanumeric characters This Passphrase function is compatible with Linksys wirel
39. screen 101 78 Instant Wireless Series E Click the option Never dial a connection This will remove any dial up pop ups for PPPoE users For Netscape 4 7 or higher A Start Netscape Navigator and click Edit Preferences Advanced and Proxies B Make sure you have Direct connection to the Internet selected on this screen C Close all the windows to finish 11 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 configu ration 12 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 Follow these steps A Go to the Linksys website at http www linksys com and download the latest firmware B To upgrade the firmware follow the steps in the Help section found in Chapter 7 The Router s Web based Utility 13 The firmware upgrade failed and or the Diag LED is flashing The upgrade could have failed for a number of reasons Follow these steps to upgrade the firmware and or make the Diag LED stop flashing A Ifthe firmware upgrade failed use the TFTP program it was downloaded along with the firmware Open the pdf that was downloaded along wit
40. the Ethernet adapter you are using and select the Properties option C 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 D Enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 151 to 192 168 1 254 E Enter the Subnet Mask 255 255 255 0 Enter the Default Gateway 192 168 1 1 Router s default IP address G 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 H Click the OK button in the nternet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window I Restart the computer if asked TI For Windows NT 4 0 A Click Start Settings and Control Panel Double click the Network icon B Click the Protocol tab and double click TCP IP Protocol C When the window appears make sure you have selected the correct Adapter for your Ethernet adapter D Select Specify an IP address and enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 1 2 to 19
41. the user moves on the end node s RF transmitter regularly checks the sys tem 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 What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique devel oped by the military for use in reliable secure mission critical communica tions 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 Dual Band Wireless A G Broadband Ro
42. ton to customize the 802 1 1a configuration see Figure 7 8 2 4GHz Wireless G To enable 2 4GHz Wireless G wireless networking make sure the Enable radio button is selected Click the Change 2 4GHz Settings button to customize the 802 11b configuration see Figure 7 10 39 40 Instant Wireless Series 5GHz 802 11a The 5GHz 802 11la portion of the Setup screen shown in Figure 7 8 allows you to configure your 5GHz 802 11a wireless network settings MAC Address 00 90 4B 0A C9 DC Mode Enable v 5 GHz Channel 152 526GHz Regulatory Domain US 802 11a SSID testa 802 11a Wireless WEP Enable Disable Edit WEP Settings Figure 7 8 Wireless Mode If you do not have any 802 11la devices in your network you can dis able this broadcasting by selecting Disable Channel Select the appropriate channel from the list provided to correspond with your network settings between 36 and 64 All devices in your wireless network must use the same channel in order to function correctly If you want the Router to automatically scan for a clear channel then click the checkbox 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 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 wire less network For added securit
43. users began in 1996 In 1998 wide scale installations began in several parts of the U S In 2000 and beyond ADSL and other forms of DSL are expected to become generally available in urban areas With ADSL and other forms of DSL telephone companies are com peting with cable companies and their cable modem services AppleTalk An Apple Computer networking system that supports Apple s pro prietary local talk Auto MDI MDIX On a network hub or switch an auto MDI MDIX port automatically senses if it needs to act as a MDI or MDIX port The auto MDI MDIX capability eliminates the need for crossover cables Auto negotiate To automatically determine the correct settings The term is often used with communications and networking For example Ethernet 10 100 cards hubs and switches can determine the highest speed of the node they are connected to and adjust their transmission rate accordingly Dual Band Wireless A G Broadband Router Backbone The part of a network that connects most of the systems and net works together and handles the most data Bandwidth The transmission capacity of a given facility in terms of how much data the facility can transmit in a fixed amount of time expressed in bits per second bps Beacon Interval A beacon is a packet broadcast by the Access Point to keep the network synchronized A beacon includes the wireless LAN service area the AP address the Broadcast destination addresses a time stamp
44. ver 1 05 1 Power on your modem It could take a 1 Power on your modem It could take a minute for the modem to run through its minute for the modem to run through its pret oe internal testing internal testing Se 2 Connect the Router s power adapter and make sure that the Power and Internet 2 Connect the Router s power adapter and Ar Du make sure that the Power and Internet ss Link Act LEDs light up Link Act LEDs light up 3 Make sure that the Link Act LEDs light up 3 Make sure that the Link Act LED is lit on the for the numbered port you are using and Router port you are using and on your on your computer s Ethernet network computer s Ethernet adapter adapter Figure 5 6 Figure 5 7 If you are using a Static IP Address to connect to the Internet proceed to step 7a If you are using a DHCP connection proceed to step 7b If you are using a PPPoE connection proceed to step 7c Dual Band Wireless A G Broadband Router 6a While making your Internet connection the Router will require you to Log upstate Relea LL in as shown in Figure 5 8 Enter the DUREE RUES default password IP Address 192 168 1 1 admin Then click Password x the OK button This password should be changed from the Web based Utility s SS Password tab for greater security LINKSYS Th default password is admin You will use this password to access the Web Based Utility For enhanced Security change thi
45. y ji un Wireless Series la LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard is complete as Setup Wizard ver 1 05 shown in Figure 5 19 You SGH 2 4GHz can register the Router online by clicking the Congratulations R e gi st er Onlin e butt on To Hsieh Wireless A G Broadband Router has been configured configure any other Access Points in your network you can run this Setup Wizard again Click the Exit button to exit the Setup Wizard j r 5 EN i gt Register Online ta O Exit ghts reserved Figure 5 19 27 Instant Wireless Series Chapter 6 Configuring the Routers Basic Settings with the Web Based Utility This chapter will show you how to configure the Router to function in your network and gain access to the Internet through your Internet Service Provider ISP Detailed description of the Router s web based utility can be found in Chapter 7 The Router s Web based Utility The instructions from your ISP tell you how to set up your PC for Internet access Because you are now using the Router to share Internet access among several computers you will use the setup information to configure the Router instead of your PC You only need to configure the Router once using the first computer you set up 1 Open your web browser Enter http 192 168 1 1 the Router s default IP address in the lvo f browser s Address Address http 77192 168 1 1 Figure 6 1 and p
46. 0 00 00 MAC 04 00 00 00 00 00 00 MAC 08 00 00 00 00 00 00 From this screen you can enter the IP Enter the IP Address of the PCs IP 01 192 168 1 0 IP04 192 168 1 0 address or MAC IP 02 192 168 1 0 IP 05 192 168 1 0 address of any PC IP 03 192 168 1 0 1PO6 192 168 1 0 to which this policy Enter the IP Range of the PCs will apply You can IP Range 01 192 168 1 0 0 IPRange02 192168 1 0 0 on me wa of Sion i S DY aadress i Click the Apply Figure 7 23 button to save your settings the Cancel button to undo any changes and the Close button to return to the Filters tab 61 62 Instant Wireless Series 3 Select if you wish to Disable or Enable Internet access for those PCs you listed on the List of PCs screen by clicking the radio button beside either option 4 You can filter access to various services accessed over the Internet such as FTP or Service Name DNS Ping 00 HTTP 80780 HTTPS 443 443 FTP 21 21 POP3 110110 IMAP 143143 Protocol Port Range SMTP 25 25 j fi th Telnet 23 23 a service irom e SNMP 161 181 pull down menus TFTP 69 69 next to Services If a service isn t listed you can click the Add Service button i to open the Service Figure 7 24 screen shown in Figure 7 24 and add a service to the list You
47. 2 168 1 99 and 192 168 1 151 to 192 168 1 254 E Enter the Subnet Mask 255 255 255 0 Enter the Default Gateway 192 168 1 1 Router s default IP address G Click the DNS tab and enter the Host and Domain names e g John for Host and home for Domain Under DNS Service Search Order click the Add button Enter the DNS IP address in the DNS Server field and click the Add button Repeat this action for all DNS IP addresses given by your ISP H Click the OK button in the TCP IP Protocol Properties window and click the Close button in the Network window I Restart the computer if asked TI 71 12 Instant Wireless Series For 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 A Click Start and Control Panel B Click the Network and Internet Connections icon and then the Network Connections icon C Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option D In the This connection uses the following items box highlight Internet Protocol TCP IP Click the Properties button E Enter a unique IP address that is not used by any other computer on the net work connected to the Router You can only use an IP address in the ranges 192 168 1 2 t
48. ABILITY EXCEED THE PRICE PAID FOR THE PROD UCT FROM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFT WARE OR ITS DOCUMENTATION LINKSYS OFFERS NO REFUNDS FOR ITS PROD UCTS Linksys makes no warranty or representation expressed implied or statutory with respect to its products or the contents or use of this documentation and all accom panying software and specifically disclaims its quality performance merchantability or fitness for any particular purpose Linksys reserves the right to revise or update its prod ucts software or documentation without obligation to notify any individual or entity Please direct all inquiries to Linksys P O Box 18558 Irvine CA 92623 SAFETY AND REGULATORY NOTICES FCC STATEMENT The Instant Wireless Dual Band Wireless A G Broadband Router has been tested and found to comply with the specifications for a Class B digital device pursuant to Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may Cause undesired operation These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio fre quency energy and if not installed and used according to the inst
49. Band Wireless A G Broadband Router Step Two Pinging for a Web Address While the IP address returned above would work as your e mail server address it may not be permanent IP addresses change all the time Web addresses how ever usually don t Because of this you re likely to have fewer problems by configuring your system with web addresses rather than IP addresses Follow the instructions below to find the web address assigned to the IP address you just pinged 1 At the DOS command prompt type ping a 24 53 32 4 where 24 53 32 4 is the IP address you just pinged Information such as the following data will be displayed CA DUT e 24 58 7 Pinging mail msnv3 occa home com 24 53 32 4 with 32 bytes of data Fepls from 24 53 32 Reply from 24 53 32 Reply from 24 53 32 Reply from 24 53 32 bytes 32 time lt 10ms TTL 127 bytes 32 time lt 10ms TTL 127 bytes 32 time lt 10ms TTL 127 bytes 32 time lt 10ms TTL 127 Pe A Ping statistics for 24 53 32 4 Packets Sent 4 Received 4 Lost 0 0 loss Approximate round trip times in milli seconds Minimum Oms Maximum Oms Average Oms Figure B 2 2 Write down the web address returned by the ping command In the exam ple in Figure C 2 mail msnv3 occa home com is the web address This web address is the web address assigned to the IP address you just pinged While the IP address of mail could conceivably change it is likely that this web address will
50. Dual Band Wireless A G Broadband Router Lak act Duan pat ts Serie Broay lreless tre OHZ A GH fo 350uz A Ma Use this guide to install WRT55AG COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice Copyright 2003 Linksys All Rights Reserved Instant Wireless Linksys and the Linksys logo are registered trademarks of Linksys Group Inc Microsoft Windows and the Windows logo are registered trade marks of Microsoft Corporation All other trademarks and brand names are the proper ty of their respective proprietors LIMITED WARRANTY Linksys guarantees that every Instant Wireless Dual Band Wireless A G Broadband Router will be free from physical defects in material and workmanship for one year from the date of purchase when used within the limits set forth in the Specifications section of this User Guide If the product proves defective during this warranty period call Linksys Technical Support in order to obtain a Return Authorization number BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING When returning a 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 All customers located outside of the United States of America and Canada shall be held responsible for shipping and han dling charges IN NO EVENT SHALL LINKSYS S LI
51. Edit WEP Settings MAC Address 00 90 4B 21 BB 88 3 4GHz Mode Mixed Du Channel 6 2 437GHz Regulatory Domain US MIE He SSID itestg SSID Broadcast Enable M WEP Enable Disable Figure 7 5 Internet IP Address This is the Router s IP address when seen from the WAN or the Internet Your ISP will provide you with the IP Address you need to spec ify here Subnet Mask This is the Router s Subnet Mask as seen by external users on the Internet including your ISP Your ISP 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 address DNS Your ISP will provide you with at least one DNS Domain Name System Server IP Address To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Dual Band Wireless A G Broadband Router PPPoE U Linksys CE CE P Some DSL based ISPs Setup Eet Beiber noranai root ons toe Beer Guide orei ek hy Hale be use PPPOE Point to Point AUUUELERUTECLES 1 05 Feb 18 2003 Protocol over Ethernet to Time Zone ee M P v Automatically adjust clock for daylight saving changes establish Internet connec p Internet MAC Address 00 11 22 33 44 56 tions If you are connected Host Name a E Host and Domain settings ma
52. IP The Destination LAN IP is the address of the remote network or host to which you want to assign a static route e 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 e Gateway This is the IP address of the gateway device that allows for contact between the Router and the remote network or host e Interface This interface tells you whether the Destination IP Address is on the LAN amp Wireless internal wired and wireless networks the WAN Internet or Loopback a dummy network in which one PC acts like a network necessary for certain software programs To cancel your changes click the Cancel button To save your changes click the Apply button To get more information about the features click the Help button To delete a static route entry l From the Static Routing drop down list select the entry number of the stat ic route Click the Delete This Entry button To cancel a deletion click the Cancel button To save a deletion click the Apply button To get more information about the features click the Help button 67 Instant Wireless Series Show Routing Table Click the Show Routing Table button to view all of the valid dynamic and static route entries in use see Figure 7 28 The Destination LAN IP address Subnet Mask Gateway and Interface information are dis played for each entry Click the Refresh bu
53. Internet Access Policies When you wish to edit one select the number of the Policy from the drop down menu The tab will change to reflect the settings of this Policy If you wish to delete this Policy click the Delete button To see a summary of all Policies click the Summary button The summaries are list Internet Filter Summary ed on this screen sm ARE Type Time of Day M rt wr fF M fr wr fF M ft wir fF M fr wir fF M fr wir fF MT wir fF M rt wir fF M fr wir fF IM fr wfr fF IM T wr fF shown in Figure 7 22 with their name and settings To delete any summary from this screen check the empty box beneath Delete and then click the Delete button To return to the Filters tab Figure 7 22 click the Close button oon OO O1 A wn cu ES D Le Ee ad D 9 9 9 9 9 9 HOWE AE RON EN D DEN NES Qi CHIC 8 8 8 IC IC DIE IC E H H H H H H H i i i i i i i i i i i oO i os 22 Enter Policy Name Policies are created from the fields presented here To create a policy 1 Enter a Policy Name in the field provided 2 Click the Edit List of PCs button This List of PCs will open the List of Enter MAC Address of the PCs in this format 90 3 xx 0 XX XX MAC 01 00 00 00 00 00 00 MAC 05 00 00 00 00 00 00 PCs screen shown MAC 02 00 00 00 00 00 00 MAC 06 00 00 00 00 00 00 in Figure 7 23 MAC 03 00 00 00 00 00 00 MAC 07 00 00 00 0
54. Ping Packet INternet Groper An Internet utility used to determine whether a particular IP address is online It is used to test and debug a network by send ing out a packet and waiting for a response POP3 Post Office Protocol 3 A standard mail server commonly used on the Internet It provides a message store that holds incoming e mail until users log on and download it POP3 is a simple system with little selectivity All pending messages and attachments are downloaded at the same time POP3 uses the SMTP messaging protocol Port A pathway into and out of the computer or a network device such as a switch or router For example the serial and parallel ports on a personal com puter are external sockets for plugging in communications lines modems and printers PPPoE Point to Point Protocol over Ethernet PPPoE is a method for the encapsulation of PPP packets over Ethernet frames from the user to the ISP over the Internet One reason PPPoE is preferred by ISPs is because it provides authentication username and password in addition to data transport A PPPoE session can be initiated by either a client application residing on a PC or by client firmware residing on a modem or router PPTP Point to Point Tunneling Protocol A protocol which allows the Point to Point Protocol PPP to be tunneled through an IP network PPTP does not specify any changes to the PPP protocol but rather describes a tunneling serv ice for carrying PPP
55. S Threshold value should remain at its default value of 2346 Dual Band Wireless A G Broadband Router Fragmentation Threshold This value specifies the maximum size for a pack et 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 per formance Only minor reduction of the default value is recommended In most cases 1t should remain at its default value of 2346 2 4GHz 54 Wireless G Authentication Type The default is set to Auto which allows either Open System or Shared Key authentication to be used For Open System authentica tion the sender and the recipient do NOT use a WEP key for authentication For Shared Key authentication the sender and recipient use a WEP key for authentication If you want to use only Shared Key authentication then select Shared Key Transmission Rate The rate of data transmission should be set depending on the speed of your wireless network You can select from a range of transmission speeds 6 9 12 18 24 36 48 or 54Mbps or you can select Auto to have the Router automatically use the fastest possible data rate and enable the Auto Fallback feature Auto Fallback will negotiate the best possible connection speed between the Router and a wireless client The default value is Auto Beacon Interval The Beacon Interval value indicates the
56. Settings Apply Cancel Help Figure 6 5 Dual Band Wireless A G Broadband Router PPPoE If your DSL provider says that you are connecting through PPPoE you use a user name and password to access the Internet perform these steps A Select PPPoE as the Configuration Type shown in Figure 6 6 B Enter the User Name C Enter the Password D Click the Apply button to save the settings or click the Cancel C Linksys Setup Firmware Version Time Zone Internet Host Name Domain Name Connection Type IP Address Subnet Mask Wireless SG 802 11a Wireless or Wireless G Security System DHCP SNMP The Setup screen lets you configure the basic Internet LAN and wireless settings For further information please see the User Guide or click the Help button 1 05 Feb 18 2003 GMT 08 00 Pacific Time USA amp Conade F1 Automatically adjust clock for daylight saving changes MAC Address 00 11 22 33 44 56 Host and Domain settings may be required by your ISP PPPoE Select the type of connection you have to the Internet User Name linksys Password Connect on Demand Max Idle Time 5 Min Keep Alive Redial Period 30 Sec MAC Address 00 11 22 33 44 55 192 168 1__ 1_ This is the IP address and Subnet Mask of 255 255 255 0 M the Router as it is seen by your local network MAC Address 00 90 4B 0A C9 DC Mode Enable Ch
57. Subnet Mask 2552552550 17 When I enter a URL or IP address 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 set tings are correct IP Address Subnet Mask Default Gateway and DNS Restart the computer that is having a problem e If the 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 18 The Full Col LED keeps flickering continuously e Check the Category 5 Ethernet network cable and its RJ 45 connectors e There may be interference with other network devices Try removing other PCs or network devices to see if the problem persists Eliminate
58. achine Without DHCP the IP address must be entered manually at each computer and if computers move to another location in another part of the network a new IP address must be entered DHCP lets a network administrator supervise and dis tribute IP addresses from a central point and automatically sends a new IP address when a computer is plugged into a different place in the network DHCP uses the concept of a lease or amount of time that a given IP address will be valid for a computer The lease time can vary depending on how long a user 1s likely to require the Internet connection at a particular location It s espe cially useful in education and other environments where users change fre quently Using very short leases DHCP can dynamically reconfigure networks in which there are more computers than there are available IP addresses DHCP supports static addresses for computers containing Web servers that need a permanent IP address DMZ Demilitarized Zone Allows one IP address or computer to be exposed to the Internet Some applications require multiple TCP IP ports to be open You should set your computer with a static IP address if you want to use DMZ Hosting DNS The domain name system DNS is the way that Internet domain name are located and translated into Internet Protocol IP addresses A domain name is a meaningful and easy to remember handle for an Internet address Domain A subnetwork comprised of a group of cli
59. an IP address on the Internet with my Internet connection A Refer to Problem 2 I want to test my Internet connection to verify that you have connectivity B If you need to register the MAC address of your Ethernet adapter with your ISP please see Appendix D 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 MAC Address Clone section of Chapter 7 The Router s Web based Utility for details C 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 sec tion of Chapter 7 The Router s Web based Utility for details on Internet connection settings 73 74 Instant Wireless Series D Make sure you have the right cable Check to see 1f the Internet column has a solidly lit Link Act LED E Make sure the cable connecting from your cable or DSL modem 1s con nected 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 F 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 4 am not able to access the Setu
60. ange 2 4GHz Settings button and customize the SSID Channel and WEP encryption settings as needed Then click the Apply button to save your changes For more information refer to Chapter 7 The Router s Web based Utility 6 If you haven t already done so click the Apply button to save your Setup settings Close the web browser 7 Restart your computers so that they can obtain the Router s new settings If you need more details or advanced setting information please refer to Chapter 7 The Router s Web based Utility or the Linksys support web site at support linksys com Address E http www linksys com registration Figure 6 8 Test the setup by opening your web browser from any computer and enter ing Attp www linksys com registration as shown in Figure 6 8 Congratulations You ve successfully configured the Router If you are unable to reach our website you may want to review what you did in this section or refer to Appendix A Troubleshooting Proceed to Chapter 7 The Router s Web based Utility for more details and advanced settings information Dual Band Wireless A G Broadband Router Chapter 7 The Router s Weh based Utility Use the Router s web based utility to administer it 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 The
61. annel 52 5 26GHz Regulatory Domain US SSID testa WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 Mode Mixed 7 J Channel 6 2 437GHz M Regulatory Domain US SSID test g SSID Broadcast Enable M WEP O Enable Disable Apply Cancel Help Figure 6 6 button to clear the settings and start over When you are finished proceed to Step 5 Important If you enable PPPoE remember to remove any PPPoE applications already installed on any of your PCs PPTP PPTP is a service used in Europe only If you are using a PPTP con nection check with your ISP for the necessary setup information After you have entered your setup information click the Apply button to save the settings or click the Cancel button to clear the settings and start over When you are finished proceed to step 5 W Linksys Setup The Setup screen lets you configure the basic Internet LAN and wireless settings For further information please see the User Guide or click the Help button ACOTA CEO 1 05 Feb 18 2003 LULCPCLCES GMT 08 00 Pacific Time USA amp Canada S Internet F1 Automatically adjust clock for daylight saving changes MAC Address 00 11 22 33 44 56 Host Name Host and Domain settings may be required by your ISP Domain Name CC OT ICE CDS PPTP Select the type of connection you have to the Internet Internet IP Address 0 0 0 0
62. are being displayed on the screen What do 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 Please look at the Network Control Panel in your Ethernet adapter s Advanced Dual Band Wireless A G Broadband Router Properties tab Make sure that your proxy setting is disabled in the browser Check our website at www linksys com for more information lf all else fails in the installation what can do Reset the Router by holding down the reset button until the Diag 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 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 Help 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 dis rupt your current connection stability Will the Router function in a Macintosh env
63. are is the physical aspect of computers telecommunica tions and other information technology devices The term arose as a way to dis tinguish the box and the electronic circuitry and components of a computer from the program you put in it to make it do things The program came to be known as the software Hop The link between two network nodes HTTP HyperText Transport Protocol The communications protocol used to connect to servers on the World Wide Web Its primary function is to estab lish a connection with a Web server and transmit HTML pages to the client browser Hub The device that serves as the central location for attaching wires from workstations Can be passive where there is no amplification of the signals or active where the hubs are used like repeaters to provide an extension of the cable that connects to a workstation ICQ A conferencing program for the Internet that provides interactive chat e mail and file transfer and can alert you when someone on your predefined list has also come online IEEE The Institute of Electrical and Electronics Engineers The IEEE describes itself as the world s largest technical professional society promoting the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession and the well being of our members Dual Band Wireless A G Broadband Router The IEEE fosters the development of standards that o
64. as a new password or wireless settings The Router s Front Panel The Router s LEDs shown in Figure 2 2 display information about the Router s status Internet Figure 2 1 Link Act GHz GHz Internet The Internet port is where you connect your cable or DSL rower aO roO OV Dual Band Wireless 146 24 i Dasa roadband Router 100 WLAN WLAN 1 modem through an Ethernet network cable Your modem Mla mO we wo connection will not work from any other port So Ports 1 4 These four LAN Local Area Network ports connect to net work devices such as PCs print servers and network attached storage NAS Each of the ports will auto detect whether a straight through or crossover cable is plugged into it so there is no need for an uplink port Any one of the four ports can serve as an uplink port to other network devices Figure 2 2 Power Green The Power LED lights up when the Router is powered on Power The Power port is where you will connect the power adapter Diag Red The Diag LED lights up when the Router goes through its self diagnosis mode during every boot up It will turn off upon successful completion of the diagnosis If this LED stays on for one minute or longer see Appendix A Troubleshooting Instant Wireless Series The 802 11a WLAN Indicators Act Link Green When the Act LED flickers the 802 1 1a wireless net work 1s active Green When the Link LED is continuously lit
65. ation C ti across diverse interconnected networks onnection J Show icon in taskbar when connected Status Connected Duration 6 days 04 49 38 Speed 100 0 Mbps Figure 4 4 Activit CEE 4 Select Obtain an IP address automatically Once the new window appears click the OK button Click the OK button again to complete the Packets 415 766 546 214 PC configuration aa Sent 1 Received 4 Internet Protocol TCP IP Properties 5 General Properties Disable PERT You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Preveoresoooocoroecococoesecocoeosoeroeooosseessososososeosocoeeseocsoosenoo e Use the following IP address P address Subnet mask Figure 4 3 Default qateway Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server A i Advanced Altemate DNS server Figure 4 5 5 Restart your computer Go to Chapter 5 Setting Up the Dual Band Wireless A G Broadband Router 16 Instant Wireless Series Configuring Windows XP PCs 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
66. c IP address to your account If so you will need that static IP address when configuring the Router You can get that information from your ISP Dynamic IP Addresses A dynamic IP address is automatically assigned to a device on the network such as PCs and print servers These IP addresses are called dynamic because they are only temporarily assigned to the PC or device After a certain time period they expire and may change If a PC logs onto the network or the Internet and its dynamic IP address has expired the DHCP server will auto matically assign it a new dynamic IP address Instant Wireless Series DHCP Dynamic Host Configuration Protocol Servers PCs and other network devices using dynamic IP addressing are assigned a new IP address by a DHCP server The PC or network device obtaining an IP address is called the DHCP client DHCP frees you from having to assign IP addresses manually every time a new user is added to your network A DHCP server can either be a designated PC on the network or another net work device such as the Router By default the Router s DHCP Server func tion is enabled If you already have a DHCP server running on your network you must disable one of the two DHCP servers If you run more than one DHCP server on your network you will experience network errors such as conflicting IP addresses To disable DHCP on the Router see the DHCP section in Chapter 7 The Router s Web based Utilit
67. c Settings Linksys wireless products are made to work right out of the box Change these WARNING settings only if necessary Changes to these settings may disrupt the settings on your existing wireless network Make sure to write these settings down They will be needed when setting up other wireless computers on your network Basic Settings enable the Access Point to interact with your network Verify this information and enter it in the appropriate field below ETTE Mixed Mod Select a network mode If you have Wireless G and 802 11b devices in your network use Mixed Mode If you have only Wireless G devices select G Only Er The SSID is like a network ID and is the same for all J points on your network The SSID is case sensitive and should not exceed 32 characters Channel G This is the channel on which your wireless network is broadcasting and should be the same for all points on your network Copyright 2003 Linksys Group Inc All rights reserved Figure 5 17 10 At this point the configura Dual Band Wireless A G Broadband Router 9 As shown in Figure 5 18 the Basic Settings screen for your 5 GHz 802 11la wireless products will appear Enter your wireless network s SSID and select the channel at which the network broadcasts its wireless signal Then click the Next button to continue SSID The SSID is the unique name shared among all points in a wireless network The SSID must be identical for all
68. d here Status For PPPoE or PPTP the status of the Internet connection is displayed here If there is no connection you can click the Connect button to re estab lish it If there is a connection you can click the Disconnect button to end it IP Address Subnet Mask and Default Gateway The Router s IP Address Subnet Mask and Default Gateway Address as seen by external users on the Internet are displayed here DNS The DNS Domain Name System IP Addresses currently used by the Router are shown here Multiple DNS IP settings are common In most cases the first available DNS entry is used To refresh the Status screen click the Refresh button To get more information about the features click the Help button The Help screen shown in Figure 7 19 offers links to all of the Router s tech nical support resources and the application that upgrades the Router s firmware For additional information about each screen of the web based util ity click the appropriate link on the lefthand side of the Help screen LY Linksys en Seny Gem DHCP SNMP Online Resources Linksys website Online User Guide in PDF format Adobe website software for viewing PDF documents Figure 7 19 99 Instant Wireless Series Linksys Website Clicking this link will take you to Linksys s website www linksys com provided you are connected to the Internet Online User Guide in PDF Format and Adobe Website Clicking the Onl
69. ddress in the message actually in each of the packets 1f more than one is required and sends it to the IP address that is obtained by looking up the domain name in the Uniform Resource Locator you requested or in the e mail address you re sending a note to At the other end the recipient can see the IP address of the Web page requestor or the e mail sender and can respond by sending another message using the IP address it received IPCONFIG A Windows NT or 2000 utility that provides for querying defin ing and managing IP addresses within a network A commonly used utility for configuring networks with static IP addresses IPSec Internet Protocol Security A suite of protocols used to implement secure exchange of packets at the IP layer IPSec supports two basic modes Transport and Tunnel Transport encrypts the payload of each packet leaving the header untouched while Tunnel mode encrypts both the header and the pay load and is therefore more secure IPSec must be supported on both transmit ter and receiver and must share a public key Tunnel mode is widely deployed in VPNs Virtual Private Networks 105 106 Instant Wireless Series IPX Internetwork Packet EXchange A NetWare communications protocol used to route messages from one node to another IPX packets include network addresses and can be routed from one network to another ISM band The FCC and their counterparts outside of the U S have set aside bandwidth fo
70. den direktiivien muiden ehto jen mukainen Linksys Group d clare que la Instant Wireless Dual Band A G Broadband Router est conforme aux conditions essentielles et aux dispositions relatives la directive 1999 5 EC la directive 89 336 EEC et la directive 73 23 EEC Belgique B L utilisation en ext rieur est autoris sur le canal 11 2462 MHZ 12 2467 MHz et 13 2472 MHz Dans le cas d une utilisation priv e l ext rieur d un b ti ment au dessus d un espace public aucun enregistrement n est n cessaire pour une distance de moins de 300m Pour une distance sup rieure 300m un enreg istrement 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 France F 2 4 GHz Bande les canaux 10 11 12 13 2457 2462 2467 et 2472 MHz respec tivement sont compl tement libres d utilisation en France en utilisation int rieur Pour ce qui est des autres canaux ils peuvent tre soumis autorisation selon le d partment L utilisation en ext rieur est soumis autorisation pr alable et tres restreint 5 GHz Bande Conform ment aux d cisions de la CEPT l utilisation des fr quences de la bande 5150 MHZ 5350 MHZ est autoris e l int rieur des b timents avec une puissance maximale de 200 mW et interdite en ext rieur La bande 5470 MHz 5725 MHZ n est pas ouverte aujourd hui Vou
71. displayed here Status The status of the DDNS service connection is displayed here To save your changes on this page click the Apply button To cancel any unsaved changes on this page click the Cancel button To get more information about the features click the Help button 69 Common Problems and Solutions 70 Instant Wireless Series 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 descrip tions below to help solve your problems If you can t find an answer here check the Linksys website at www linksys com 1 need to set a static IP address on a PC The Router by default assigns an IP address range of 192 168 1 100 to 192 168 1 150 using the DHCP server on the Router To set a static IP address you can only use the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 151 to 192 168 1 254 Each PC or network device that uses TCP IP must have a unique address to identify itself in a network If the IP address is not unique to a network Windows will generate an IP conflict error message You can assign a static IP address to a PC by performing the following steps For Windows 98 and Me A Click Start Settings and Control Panel Double click Network B In The following network components are installed box se
72. dows NT 2000 and XP please click Start and Run In the Open field type cmd Press the Enter key or click the OK button C 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 If 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 D In the command prompt type ping followed by your Internet or WAN IP address and press the Enter key The Internet or WAN IP Address can be found on the Status screen of the Router s web based utility For example if your Internet or WAN IP address is 1 2 3 4 you would enter ping 1 2 3 4 and press the Enter 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 com puter to verify that your original computer is not the cause of the problem E 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 can not 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 orig inal computer is not the cause of the problem 3 am not getting
73. e When a wireless network is set to infrastructure mode the wireless network 1s configured to communicate with a wired network through a wireless access point 85 86 Instant Wireless Series What is roaming Roaming is the ability of a portable computer user to communicate continu ously while moving freely throughout an area greater than that covered by a sin gle 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 cov erage 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 under takes a search for the best possible access to the system First 1t 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 down the backbone As
74. e IP Address of the PC running the specific application Enable Click the Enable checkbox to enable port forwarding for the relevant application The following table shows the typical port forwarding settings for common Internet applications Applications External Port TCP Protocol UDP Protocol Telnet D a E A D E S BRL SELS RDS DS DL ALL PE ES To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Dual Band Wireless A G Broadband Router Port Triggering Port Triggering is used for special Internet applications whose outgoing ports differ from the incoming ports For this feature the Router will watch outgoing data for specific port numbers The Router will remember the IP address of the computer that sends a transmission requesting data so that when the requested data returns through the Router the data is pulled back to the proper computer by way of IP address and port mapping rules Click the Port Triggering button to set up triggered ports and follow these instructions 1 Enter the Application Port Trigger List Name of the Application Name Trigger
75. e features will differ depending on what kind of connection type you select Proceed to the instructions for the connec tion type you are using and then continue to step 5 IMPORTANT If you have previously enabled any Internet sharing proxy server software on any of your PCs you must disable it now Some examples of Internet sharing software are Internet LanBridge Wingate ICS and Sygate To disable your Internet sharing software e If you are running Netscape Navigator click Edit Preferences Advanced and Proxies Click Direct Connection to the Internet e If you are running Internet Explorer 5 x or higher click Tools Settings Control Panel Internet Options Connections and LAN Settings Remove checkmarks from all three boxes Click the OK button to continue You must also disable any Internet log on software such as Ivasion Winpoet or Enternet 300 and any firewall software such as ZoneAlarm and Watchdog on all of your PCs 29 30 Automatic Configuration DHCP If you are connecting through DHCP or a dynamic IP address from your ISP perform these steps A Keep the default setting Automatic Configuration DHCP as the Configuration Type shown in Figure 6 4 B Click the Apply button to save the setting or click the Cancel button to clear the setting and start over When you are finished proceed to step 5 Static or Fixed IP Address G Linksys Setup Firmware Version Time Zone In
76. e wireless net work and is case sensitive Static IP Address A permanent IP address that is assigned to a node in an IP or a TCP IP network Static Routing Forwarding data in a network via a fixed path Static routing cannot adjust to changing line conditions as can dynamic routing Storage The semi permanent or permanent holding place for digital data Subnet Mask The method used for splitting IP networks into a series of sub groups or subnets The mask is a binary pattern that is matched up with the IP address to turn part of the host ID address field into a field for subnets Switch 1 A data switch connects computing devices to host computers allowing a large number of devices to share a limited number of ports 2 A device for making breaking or changing the connections in an electrical cir cuit Dual Band Wireless A G Broadband Router TCP Transmission Control Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing TCP takes care of keeping track of the individual units of data called packets that a message is divided into for effi cient delivery over the network TCP is known as a connection oriented pro tocol due to requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet resulti
77. each network device one at a time to determine the cause Dual Band Wireless A G Broadband Router Frequently Asked Questions 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 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 com munications 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 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
78. ed anyone who knows the Router s Internet IP address and password will be able to alter the Router s settings MTU MTU is the Maximum Transmission Unit It specifies the largest pack et size permitted for Internet transmission Keep the default setting Auto to have the Router select the best MTU for your Internet connection To specify a MTU size select Manual and enter the value desired default is 1400 You should leave this value in the 1200 to 1500 range Log The Router can keep logs of all traffic for your Internet connection To disable the Log function keep the default setting Disable To monitor traffic between the network and the Internet select Enable To save your changes on this page click the Apply button To cancel any unsaved changes on this page click the Cancel button To get more information about the features click the Help button 49 90 Instant Wireless Series The DHCP screen shown in Figure 7 15 allows you to configure the settings for 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 address to each computer on your network ES U Linksys Status Help AEEA The DHCP screen allows you to configure the settings for the Router s Dynamic Host Configuration Protocol DHCP server function A DHCP server automatically assigns an IP DHCP address to each computer on yo
79. ed Internet applications Protocol Protocol TCP UDP IP Address Enable Customized Applications External Port oO O E 192 168 1 0 192 168 1 192 168 1 0 192 168 1 192 168 1 192 168 1 0 192 168 1 192 168 1 0 192 168 1 0 192 168 1 tolo to 0 to 0 to 0 tol0 to 0 to 0 __ tolo r ii re lune lines ir ir 1 olllolllolllolllolllolllolliollsl _ to Oo G 0 0 0 0 0 0 0 0 G 060 0 06 0 0 0 0 G 0 0 0 0 0 0 0 0 0 Jtolo Figure 7 25 Note Any PC whose port is being forwarded should have its DHCP client function disabled and a new static IP address assigned to it because its IP address may change when using the DHCP function Customized Applications In the field provided enter the name you wish to give each application External Port For each application enter the number of the External Ports the port numbers seen by users on the Internet in the appropriate fields To find out the port range check your application s documentation If there 1s only one External Port enter its number in both External Port fields 63 64 Instant Wireless Series Protocol TCP Click this checkbox 1f you want to forward the data transmis sions that use the TCP protocol Protocol UDP Click this checkbox if you want to forward the data transmis sions that use the UDP protocol IP Address For each application enter th
80. ed and buttons available may vary depending on the Router s settings 53 54 Instant Wireless Series Firmware Version The version number of the firmware currently installed 1s displayed here Current Time The current time as set from the Setup tab 1s displayed here Host Name The Host Name is the name of the Router This entry is necessary for some ISPs Domain Name The Domain Name is the name of the Router s domain This entry is necessary for some ISPs LAN IP Address and Subnet Mask The current IP Address and Subnet Mask of the Router as seen by users on your local area network LAN are displayed here DHCP Server The status of the Router s DHCP server function is displayed here Wireless 5GHz 802 11a Mode The Mode setting as set from the Setup tab is displayed here SSID The SSID of the 5GHz 802 11a network is displayed here Channel The channel for the 5GHz 802 11a wireless network is displayed here Encryption Function The status of the WEP encryption is displayed here Wireless 2 4GHz Wireless G Mode The Mode setting as set from the Setup tab is displayed here SSID The SSID of the 2 4GHz 802 11b network is displayed here Channel The channel for the 2 4GHz 802 11b wireless network is displayed here Encryption Function The status of the WEP encryption is displayed here Dual Band Wireless A G Broadband Router Internet Configuration Type The type of Internet connection is displaye
81. ents and servers under the control of one security database Dividing LANs into domains improves per formance and security Download To receive a file transmitted over a network In a communications session download means receive upload means transmit DSL Digital Subscriber Line A technology that dramatically increases the digital capacity of ordinary telephone lines into the home or office and by employing unused bandwidth still allows for normal phone usage DSL pro vides always on operation eliminating the need to dial in to the service DSSS Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for all data transmitted This bit pattern is called a chip or chipping 101 102 Instant Wireless Series code Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the receiver 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 However to an intended receiver 1 e another wireless LAN end point the DSSS signal is recognized as the only valid signal and interference is inherently rejected ignored DTIM Delivery Traffic Indication Message A DTIM field is a countdown field informing clients of the next window for listening to broadcast and mul ticast messages When the AP has buffered broadcast or multicas
82. ess field 3 To save your new settings click the Apply button To cancel your changes click the Cancel button To get more information about the features click the Help button To disable MAC address cloning keep the default setting Disable 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 field provided and press the OK button 3 At the command prompt enter ipconfig all Then press the Enter key 4 Write down your adapter s physical address this is the adapter s MAC address Dual Band Wireless A G Broadband Router Remote Management This feature allows you to manage your Router from a remote location via the Internet To disable this feature keep the default set ting Disable To enable this feature select Enable and use the specified port default 1s 8080 on your PC to remotely manage the Router You must also change the Router s default password to one of your own if you haven t already A unique password will increase security To remotely manage the Router enter http xxx xxx xxx xxx 8080 the x s represent the Router s Internet IP address and 8080 represents the specified port in your web browser s Address field You will be asked for the Router s password After successfully entering the password you will be able to access the Router s web based utility Note If the Remote Management feature is enabl
83. ess is used for filtering forwarding and DMZ Follow the steps in this appendix to find the MAC address or IP address for your adapter in Windows 95 98 Me NT 2000 and XP For Windows 95 98 and Me 1 Click on Start and Run In the Open field enter winipefg Then press the Enter key or the OK button Run 2 xi Type the name of a program folder document or Internet resource and Windows will open it for you Open winicfo Cancel Browse Figure D 1 2 When the IP Configuration window appears select the Ethernet adapter you are using to connect to the Router via a Category 5 Ethernet network cable ee IP Configuration OI x Ethernet Adapter Information Linksys LNE100TX Fast Ethernel 7 Linksys LNET00TX Fast Ethernet dd Adapter Address PP Adapter i z IP Address 192 168 1 45 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 254 Release Renew Release All Renew All More Info Figure D 2 Dual Band Wireless A G Broadband Router 3 Write down the Adapter Address as shown on your computer screen see Figure E 3 This is the MAC address for your Ethernet adapter and will be 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 ER IP Configuration o x Ethernet Adapter Information Linksys LNE100TX Fast Ethernel Adapter Address 00 00 00 00 00 00 gt IP Address
84. ess products only If you want to communicate with non Linksys wireless products enter the WEP key s manually on the non Linksys wireless products After you enter the Passphrase click the Generate button to create WEP keys Keys 1 4 WEP keys enable you to create an encryption scheme for wireless LAN transmissions Manually enter a set of values Do not leave a key field blank and do not enter all zeroes These are not valid key values Keys 1 4 offer 64 bit or 128 bit encryption If you are using 64 bit WEP encryption then the key must be exactly 10 hexa decimal characters in length If you are using 128 bit WEP encryption then the key must be exactly 26 hexadecimal characters in length Valid hexadecimal characters are 0 9 and A F Check all the values and click the Apply button to save your 2 4GHz Wireless G WEP settings To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button The Security screen shown in Figure 7 12 allows you to change the Router s security settings You should change the factory default password which is admin to your own as soon as possible All users who try to access the Router s web based utility or Setup Wizard will be prompted for the Router s password Router Password The new Password must not exceed 32
85. ess settings The Setup Wizard has automatically detected the information listed below Click the Next button to continue Static IP Setup Domain Name IP Address Default Gateway 1 DNS Server 2 3 Figure 5 12 a R instant Wirele Series WH LINKSYS ireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using the Static IP Address settings The Setup Wizard has automatically detected the information listed below Click the Next button to continue Static IP Setup 1 DNS Server 2 3 Figure 5 13 Dual Band Wireless A G Broadband Router 7b When connecting to the Internet through a DHCP connection IC If you have a cable connection you will see a screen similar to that shown in Figure 5 14 If you have a DSL connection you will see a screen similar to that shown in Figure 5 15 Enter the information just as you do when logging onto your Internet connection and click the Next button Then continue to step 6 Instant Wireless S l INKSYS Instant Wireless Series Us ese ee ee CE Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 R Series a LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using the DHCP settings The Setup Wizard has automatically detected the information listed below Click the Next button to continue Your Internet connection is using the DHCP settings The Setup Wizard has au
86. fault 100 Milliseconds Range 1 65535 3 Default 3 Range 1 255 12346 Default 2346 Range 0 2346 12346 Default 2346 Range 256 2346 Figure 7 20 Authentication Type The default is set to Auto which allows either Open System or Shared Key authentication to be used For Open System authentica tion the sender and the recipient do NOT use a WEP key for authentication For Shared Key authentication the sender and recipient use a WEP key for authentication If you want to use only Shared Key authentication then select Shared Key 58 Instant Wireless Series Transmission Rate The rate of data transmission should be set depending on the speed of your wireless network You can select from a range of transmission speeds 6 9 12 18 24 36 48 or 54Mbps or you can select Auto to have the Router automatically use the fastest possible data rate and enable the Auto Fallback feature Auto Fallback will negotiate the best possible connection speed between the Router and a wireless client The default value is Auto Transmit Power Control The greater the transmit power used the larger the area a wireless network covers To minimize the likelihood of eavesdropping by unauthorized wireless users do not use more transmit power than necessary to cover the range needed for your wireless network Try using the Router at dif ferent levels of transmit power and determine how much transmit power is needed to reac
87. follow steps E to G to re establish connection 15 can t access my e mail web or VPN 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 1400 For most DSL users it is strongly recom mended to use MTU 1492 If you are having some difficulties perform the fol lowing steps gt To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router Enter the password if asked The default password is admin Click the System tab Look for the MTU option and select Manual In the Size field enter 1492 Click the Apply button to continue moan 19 80 Instant Wireless Series 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 16 The Diag LED stays lit continuously e The Diag LED lights up when the device is first powered up Meantime the system will boot up itself and check for proper operation After fin ishing the checking procedure the LED turns off to show that the system is working fine If the LED remains lit 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
88. ften become national and international standards The organization publishes a number of journals has many local chapters and several large societies in special areas such as the IEEE Computer Society Infrastructure Network An infrastructure network is a group of computers or other devices each with a wireless adapter connected as an 802 11 wireless LAN In infrastructure mode the wireless devices communicate with each other and to a wired network by first going through an access point An infra structure wireless network connected to a wired network is referred to as a Basic Service Set BSS A set of two or more BSS in a single network is referred to as an Extended Service Set ESS Infrastructure mode is useful at a corporation scale or when it is necessary to connect the wired and wireless networks IP Internet Protocol The method or protocol by which data is sent from one computer to another on the Internet It is a standard set of rules procedures or conventions relating to the format and timing of data transmission between two computers that they must accept and use to be able to understand each other IP Address In the most widely installed level of the Internet Protocol IP today an IP address is a 32 binary digit number that identifies each sender or receiver of information that is sent in packet across the Internet When you request an HTML page or send e mail the Internet Protocol part of TCP IP includes your IP a
89. gs you have saved will be lost when the default settings are restored This feature is disabled by default Dual Band Wireless A G Broadband Router C Linksys Setup Security Status Help Advanced System The System screen lets you enable a variety of the Router s general features from restoring factory defaults to enabling its logging capability LESOCH Yes No CAUTION Any settings you have saved will be lost when the default settings are restored Firmware Upgrade Upgrade Linksys website Firmware 1 05 Feb 18 2003 Tete Mae Enable M AA Disable M MAC Address 00 00 00 00 00 00 Remote Management Disable J Port Nurnber 8080 Auto 4 Size 1400 Disable Figure 7 13 Firmware Upgrade New firmware versions are posted at www linksys com and can be downloaded for free If the Router already works well there s no need to download a newer firmware version unless that version has a new fea ture that you want to use To learn about any new firmware with new features visit www linksys com Note By upgrading the Router s firmware you may lose the Router s configuration settings so make sure you write down the Router s set tings before you upgrade its firmware To upgrade the Router s firmware 1 Download the firmware upgrade file from www linksys com and extract the file using a file archive utility such as WinZip 2 Click the Upgrade button 3 O
90. h the firmware and TFTP program and follow the pdf s instructions B Set a static IP address on the PC refer to Problem 1 I need to set a stat ic 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 Dual Band Wireless A G Broadband Router C Perform the upgrade using the Upgrade Utility TFTP program or Router s web based utility through its Help tab 14 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 There is a setup option to keep alive the con nection This may not always work so you may need to re establish connec tion periodically A To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router B Enter the password if asked The default password is admin C On the Setup screen select the option Keep Alive and set the Redial Period option at 30 seconds Click the Apply button Click the Status tab and click the Connect button 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 G Click the Apply button to continue m o If the connection is lost again
91. h the wireless client such as a PC or access point that 1s farthest from the Router Then select the appropriate level of transmit power Full Half Quarter Eighth or Min from the drop down menu The default value is Full 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 wire less 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 mul ticast messages When the Router has buffered broadcast or multicast messages for 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 mes sages The default value is 1 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 RT
92. having collisions occur a second time This works best if the time allocated is short compared to packet length and if the number of sit uations is small CTS Clear To Send An RS 232 signal sent from the receiving station to the transmitting station that indicates it is ready to accept data Daisy Chain Connected in series one after the other Transmitted signals go to the first device then to the second and so on DDNS Dynamic Domain Name System Allows a network device with a dynamic Internet IP address to have a fixed host and domain name such as myhostname mydomainname com It is useful when you are hosting your own website FTP server or other server behind a router so people can find your site no matter how often the Internet IP address changes Using DDNS requires registering with a DDNS service provider on the Internet Default Gateway The routing device used to forward all traffic that is not addressed to a station within the local subnet DHCP Dynamic Host Configuration Protocol A protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol IP addresses in an organization s network Using the Internet s set of Dual Band Wireless A G Broadband Router protocol TCP IP each machine that can connect to the Internet needs a unique IP address When an organization sets up its computer users with a con nection to the Internet an IP address must be assigned to each m
93. he network name shared among all points in a wireless network The SSID must be identical for all points in the wireless 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 wire less network For added security you should change the default SSID linksys g to a unique name SSID Broadcast When wireless clients survey the local area for wireless net works to associate with they will detect the SSID broadcast by the Router To broadcast the Router s SSID keep the default setting Enable If you do not want to broadcast the Router s SSID then select Disable Dual Band Wireless A G Broadband Router WEP Encryption An acronym for Wired Equivalent Privacy WEP is an encryption method used to protect your wireless data communications WEP uses a combination of 64 bit or 128 bit keys to provide access control to your network and encryption security for every data transmission To decode a data transmission each device in a network must use an identical 64 bit or 128 bit 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 click the radio button beside Enable Click the Edit WEP Settings button to configure the WEP keys for your 2 4GHz Wireless G net work see Figure 7 11 Check all the values and click the Apply button to
94. ick the Apply button 8 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 applica tion 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 success fully 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 Dual Band Wireless A G Broadband Router settings If the port number that the data enters from does not have port for warding then the Router will send the data to whichever PC or network device you set for DMZ hosting Follow these steps to set DMZ hosting A 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 Advanced gt Port Forwarding tab B Disable or remove the entries you have entered for forwarding Keep this information in case you want to use it at a later time C Click the Security tab and select DMZ Host D Enter the Ethernet adapter s IP address of the computer you want exposed to the Internet This will bypass the NAT firewall for that computer Please refer to Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter
95. ied extension of the IEEE 802 11 stan dard for wireless networking hardware The draft 802 11g specifications used by Linksys specify a maximum data transfer rate of 54Mbps using OFDM modulation an operating frequency of 2 4GHz backward compatibility with IEEE 802 11b devices and WEP encryption for security 802 1x Based on the Extensible Authentication Protocol EAP the 802 1x standard is one of the IEEE standards for network authentication and key man agement It establishes a framework that supports multiple authentication meth ods This standard can be incorporated into any type of network to enhance its security For example a wireless user may use one of the authentication methods to access a wireless network protected by an authentication server The user also called the supplicant sends a request to an access point or wireless router also called the authenticator The authenticator sends an identification request back to the user After the user sends the authenticator the identification message the authenticator forwards the user s identification message to the authentica tion server If the server accepts the identification message then the user is per mitted access to the wireless network The 802 1x standard can also support encryption key management to strengthen wireless network encryption servic es 97 98 Instant Wireless Series Adapter Printed circuit board that plugs into a PC to add to capabilities or
96. iltered by using the MAC addresses of the wireless devices transmitting within your network s radius Select Enable from the drop down menu and choose if you wish to Prevent wireless access by MAC address or Permit by MAC Address Then click the Edit MAC Filter List button to access a secondary screen where you can enter the MAC Addresses of the devices you wish to filter W Linksys Advanced Wireless Wireless MAC Filters 5 GHz 802 11a 802 11a Wireless Authentication Type Transmit Rate Transmit Power Control Beacon Interval DTIM Interval RTS Threshold Fragmentation Length 24 GHz Wireless G Authentication Type Transmit Rate Beacon Interval DTIM Interval RTS Threshold Fragmentation Threshold 5GHz 802 11a The Advanced Wireless screen allows you to customize data transmission settings In most cases the advanced settings on this screen should remain at their default values Enable Prevent PCs listed from accessing the wireless network Permit PCs listed to access the wireless network Edit MAC Filter List Open System Default Open System Auto Default Auto Full _ M Default Full 100 Default 100 Milliseconds Range 20 1000 1 Default 1 Range 1 16384 2346 __ Default 2346 Range 256 2346 12346 Default 2346 Range 256 2346 even number only Auto M Default Auto Auto Default Auto 100 De
97. ine User Guide in PDF format link opens the Router s User Guide The User Guide is in Adobe Acrobat Portable Document File pdf format so you need the Adobe Acrobat Reader to view it If you do not have the Acrobat Reader click the Adobe website link to download it Advanced Tabs The following instructions are for advanced users or users whose setup needs require special configuration When you click the Advanced tab you will be able to set up these features There are six additional tabs available Advanced Wireless Allows you to customize data transmission and 802 1x settings for your wireless network s Internet Filter Enables you to set up filters that block specific internal users from Internet access Port Forwarding Lets you set up public services on your network such as an ftp server mail server or web server Routing Enables you to configure the routing mode of the Router DDNS Allows you to enable the Dynamic Domain Name System DDNS feature so a fixed domain name can be assigned to a dynamic Internet IP address If you need to access the basic configuration tabs click the Setup tab Advanced Wireless 56 The Advanced Wireless screen shown in Figure 7 20 allows you to customize data transmission settings In most cases the advanced wireless settings on this screen should remain at their default values Dual Band Wireless A G Broadband Router Wireless MAC Filters Wireless access can be f
98. intervention and ideally without interruption to network connectivity A typical scenario would be a location with multiple access points where users can physically relocate from one area to another and easily maintain connectivity Router Protocol dependent device that connects subnetworks together Routers are useful in breaking down a very large network into smaller subnet works they introduce longer delays and typically have much lower throughput rates than bridges RTS Request To Send An RS 232 signal sent from the transmitting station to the receiving station requesting permission to transmit 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 It is a TCP IP protocol that defines the message format and the mes sage transfer agent MTA which stores and forwards the mail SNMP Simple Network Management Protocol A widely used network monitoring and control protocol Data is passed from SNMP agents which are hardware and or software processes reporting activity in each network device hub router bridge etc to the workstation console used to oversee the net work The agents return information contained in a MIB Management Information Base which is a data structure that defines what is obtainable from the device and what can be controlled turned off on e
99. ireless A G Broadband Router Appendix B How to Ping Your ISP s E mail amp Weh Addresses Virtually all Internet addresses are configured with words or characters e g www linksys com www yahoo com etc In actuality however these Internet addresses are assigned to IP addresses which are the true addresses on the Internet For example www yahoo com is 66 218 71 87 this IP address may change Type it into your web browser and you will wind up at the Linksys home page every time There are servers that translate the URL to an IP address this is called the Domain Name System DNS IP and web addresses however can sometimes be long and hard to remember Because of this certain ISPs will shorten their server addresses to single words or codes on their users web browser or e mail configurations If your ISP s e mail and web server addresses are configured with single words www e mail home pop3 etc rather than whole Internet addresses or IP addresses the Router may have problems sending or receiving mail and accessing the Internet This happens because the Router has not been configured by your ISP to accept their abbreviated server addresses The solution is to determine the true web addresses behind your ISPs code words You can determine the IP and web addresses of your ISP s servers by pinging them Important If you don t have your ISP s web and e mail IP addresses you must either get them from your ISP
100. ireless A G Broadband Router or by using the Web based Utility as shown in Chapter 6 Configuring the Router s Basic Settings with the Web based Utility Important By default Windows 98 2000 Me and XP has TCP IP installed and set to obtain an IP address automatically If your PC does not have TCP IP installed click Start and then Help Search for the keyword TCP IP Then follow the instruc tions to install TCP IP 13 Instant Wireless Series Dual Band Wireless A G Broadband Router Configuring Windows 98 and Millennium PCs 3 Click the IP Address tab Select Obtain an IP address automatically 1 Click the Start button Select Settings and click the Control Panel icon TCP IP Properties Double click the Network icon 2 On the Configuration tab select the TCP IP line for the applicable Ethernet adapter Do not choose a TCP IP entry whose name mentions ie DUN PPPoE VPN or AOL If the word TCP IP appears by itself select the space below that line Click the Properties button Dial Up Adapter Linksys LNE100TX Fast Ethernet Adapter LNE100TX v4 TCP IP gt Dial Up Adapter gt Detect connection to network media rr mary Network _OGON Client for Microsoft Networks z Figure 4 2 4 Now click the Gateway tab and verify that the Installed Gateway field is blank Click the OK button 5 Click the OK button again Windows may ask you for the original Windows installation disk or addi
101. ironment Yes but the Router s setup pages are accessible only through Internet Explorer 4 0 or Netscape Navigator 4 0 or higher for Macintosh am not able to get the web configuration screen for the Router What can do You may have to remove the proxy settings on your 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 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 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 D Finding the MAC Address and IP Address for Your Ethernet Adapter 83 84 Instant Wireless Series 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 supporting up t
102. lect 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 C In the 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 You can only use an IP address in the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 151 to 192 168 1 254 Make sure that each IP address is unique for each PC or network device D 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 E Click the DNS tab and make sure the DNS Enabled option 1s 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 F Click the OK button in the TCP IP properties window and click Close or the OK button for the Network window G Restart the computer when asked Dual Band Wireless A G 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
103. llowing standards were applied e ETS 301 489 1 301 489 17 General EMC requirements for Radio equipment e EN 609 50 Safety e ETS 301 893 Technical requirements for Radio equipment Caution The frequencies used by 802 11a wireless LAN devices are not yet harmonized within the European community 802 11a products are designed for use only in specific countries and are not allowed to be operated in countries other than those of designat ed use Contact local Authority for procedure to follow 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 Instant Wireless Series 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 com pliant 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 and or the CEPT recommendation Rec 70 03 For more details on legal combinations of power levels and antennas contact Linksys Corporate Compliance Linksys Group vakuuttaa taten etta Instant Wireless Dual Band A G Broadband Router tyyppinen laite on direktiivin 1999 5 EY direktiivin 89 336 EEC ja direktiivin 73 23 EEC oleellisten vaatimusten ja sit koskevien n i
104. mentation Threshold Setting the Fragmentation Threshold too low may result in poor network per formance Only minor reduction of this value is recommended In most cases it should remain at its default value of 2346 To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Internet Filter The Internet Filter tab shown in Figure 7 21 allows you to block or allow spe cific kinds of Internet usage You can set up Internet access policies for specif ic PCs and set up filters by using network port numbers U Linksys Ee intern Internet Filters enable you to prevent certain PCs on your network from accessing your Internet Filter connection Internet Access Policy I m Enter Policy Name Policy Type Internet Access Deny Allow Pcs Internet access for listed PCs or Services during selected days and hours rst Male _ m Senices ee i Cm LE Disable x 0 WEN C Everyday O Sun M Mon M Tue M Wed M Thu M Fri O Sat ULGE 24 Hours From 5 E 30 PM M To 9 E 00 0 PM v Website Blocking by URL Address Website Blocking by Keyword Figure 7 21 60 Dual Band Wireless A G Broadband Router Internet Access Policy Multiple Filters can be saved as
105. n The Setup screen is the first screen you see when you access the web based utility If you have already installed and set up the Router you have already seen this screen and properly configured all of the screen s values Firmware Version This shows the version and date of the firmware you are using Future versions of the Router s firmware will be posted and available for download on the Linksys website at www linksys com Time Zone Select your local time zone from this pull down menu The Router will show the correct time for your area Host Name and 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 Configuration Type The Router supports four connection types Automatic Configuration DHCP Static IP PPPoE and PPTP Each Setup screen and available features will differ depending on what kind of connection type you select Note You can verify that the Internet configuration settings are cor rect by successfully connecting to the Internet Dual Band Wireless A G Broadband Router Automatic Configuration DHCP By default the Router s Configuration Type is set to Automatic Configuration DHCP as shown in Figure 7 4 and it should be kept onl
106. n the Upgrade Firmware screen see Figure 7 14 click the Browse button to find the firmware upgrade file you extract ed Upgrade Firmware File Path CAWAP55AG_1 06 03 t Browse Warning Upgrading firmware may take a few minutes Please don t turn off or reset router Figure 7 14 47 48 Instant Wireless Series 4 Double click the firmware upgrade file you extracted 5 Click the Upgrade button and follow the on screen instructions Important When you are upgrading the firmware do NOT turn off the Router and do NOT press the Reset button Multicast Pass Through IP Multicasting occurs when a single data transmis sion 1s sent to multiple recipients at the same time Using the Multicast Pass Through feature the Router allows IP multicast packets to be forwarded to the appropriate computers Keep the default setting Enable to support the feature or select Disable to disable it MAC Cloning You can clone the MAC address of your PC s network adapter onto the Router A MAC address is a 12 digit code assigned to a unique piece of hardware for identification Some ISPs require that you register the MAC address of your PC s network adapter which was connected to your cable or DSL modem dur ing installation To avoid calling your ISP and changing the MAC address that is registered with the ISP follow these instructions 1 Select Enable 2 Enter your adapter s MAC address in the MAC Addr
107. ng defining and managing IP addresses within a network A commonly used util ity for configuring networks with static IP addresses WLAN Wireless Local Area Network A group of computers and associat ed devices that communicate with each other wirelessly Dual Band Wireless A G Broadband Router Standards Ports Internet LAN Buttons Cabling Type LEDs Internet LAN 802 114 54g 802 11a 802 11b draft 802 11g One 10 100 RJ 45 Port for Cable DSL Modem Four 10 100 RJ 45 Switched Ports One Reset Button and One Power Port UTP Category 5 or better Power Diag Link Act 100 Link Act Full Col 100 Act Link Act Link 113 Instant Wireless Series Environmental 114 Dimensions 7 32 X 1 89 x 6 89 186 mm x 48 mm x 175 mm Unit Weight 0 88 Ibs 0 4 kg Power External 5V DC 2 5A Certifications FCC CE Marking Wi Fi Operating Temp 32 F to 104 F 0 C to 40 C Storage Temp 4 F to 158 F 20 C to 70 C Operating Humidity 10 to 85 Non Condensing Storage Humidity 5 to 90 Non Condensing Dual Band Wireless A G Broadband Router Appendix G Warranty Information BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE IN NO EVENT SHALL LINKSYS S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCI DENTAL OR CONSEQUENTIAL DAMAGES RESULTING
108. ng in transmission control TCP IP Transmission Control Protocol Internet Protocol The basic com munication language or set of protocols for communications over a network developed specifically for the Internet TCP IP defines a suite or group of protocols and not only TCP and IP Telnet A terminal emulation protocol commonly used on the Internet and TCP IP based networks It allows a user at a terminal or computer to log onto a remote device and run a program TFTP Trivial File Transfer Protocol A version of the TCP IP FTP protocol that has no directory or password capability Throughput The amount of data moved successfully from one place to another in a given time period UDP User Datagram Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing UDP takes care of keeping track of the individual units of data called packets that a message is divided into for effi cient delivery over the network UDP is known as a connection less protocol due to NOT requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet as opposed to TCP Upgrade To replace existing software or firmware with a newer version Upload To transmit a file over a network In a communications session upload means transmi
109. ng port If this LED does not light up then your connection speed is 10Mbps Proceed to Chapter 3 Connect the Router Instant Wireless Series Note These directions on connecting the Router are provided only to help when you are making the connections If you are using the Setup Wizard make your connections only when the Wizard asks The Router s setup consists of more than simply plugging hardware together You will have to configure your networked PCs to accept the IP addresses that the Router assigns them if applicable and you will also have to configure the Router with setting s provided by your Internet Service Provider ISP The installation technician from your ISP should have left the setup informa tion for your modem with you after installing your broadband connection If not you can call your ISP to request that data Once you have the setup information you need for your specific type of Internet connection you can begin installation and setup of the Router If you want to use a PC with an Ethernet adapter to configure the Router go to Wired Connection to a PC and Boot Up If you want to use a PC with a wire less adapter to configure the Router go to Wireless Connection to a PC and Boot Up Wired Connection to a PC 10 1 Before you begin make sure that all of your network s hardware is powered off including the Router PCs and cable or DSL modem 2 Connect one end of
110. ng 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 section 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 get Half Life Team Fortress to work with the Router The default client port for Half Life 1s 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 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 be in the DMZ Just forward port 27015 to the local IP address of the server com puter How can 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
111. nter at least one DNS address E Click the Apply button to save the settings or click the Cancel button to clear the settings and start over When you are fin ished proceed to step 5 internet Wireless U Linksys Setup The Setup screen lets you configure the basic Intemet LAN and wireless settings For further information please see the User Guide or click the Help button rim GETIHE 1 05 Feb 18 2003 Time Zone GMT 08 00 Pacific Time USA amp Canada x Automatically adjust clock for daylight saving changes Host Name Domain Name Connection Type MAC Address 00 11 22 33 44 56 Host and Domain settings may be required by your ISP Static IP Select the type of connection you have to the Internet Internet IP Address Subnet Mask Default Gateway DNS Required 1 0 o o 0 0 0 0 0 0 2 0 0 3 0 0 MAC Address 00 11 22 33 44 55 IP Address Subnet Mask 192 168 1__ 1_ This is the IP address and Subnet Mask of 255 255 255 0 M the Router as it is seen by your local network MAC Address 00 90 4B 0A C9 DC Mode Enable 5 GHz Channel SSID testa 802 112 Wireless 52 5 26GHz M Regulatory Domain US WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 b 4 GHz Mode Mxed M e Channel 6 2437GHz M Regulatory Domain US AMHAEECHeR SSID itest g SSID Broadcast Enable 0 WEP Enable Disable Edit WEP
112. o 192 168 1 99 and 192 168 1 151 to 192 168 1 254 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 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 I Click the OK button in the nternet Protocol TCP IP Properties window Click the OK button in the Local Area Connection Properties window oq 4 2 want to test my Internet connection A Check your TCP IP settings For Windows 98 Me 2000 and XP Refer to Chapter 4 Configure the PCs for details Make sure Obtain IP address automatically is selected in the settings For Windows NT 4 0 e Click Start Settings and Control Panel Double click the Network icon e Click the Protocol tab and double click on TCP IP Protocol e When the window appears make sure you have selected the correct Adapter for your Ethernet adapter and set it for Obtain an IP address from a DHCP server e Click the OK button in the TCP IP Protocol Properties window and click the Close button in the Network window e Restart the computer if asked Dual Band Wireless A G Broadband Router B Open a command prompt e For Windows 98 and Me please click Start and Run In the Open field type in command Press the Enter key or click the OK button e For Win
113. o five ses sions 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 only forward 10 ranges of ports Does the Router replace a modem Is there a cable or DSL modem in the Router No the Router must work in conjunction with a cable or DSL modem Which modems are compatible with the Router The Router is compatible with virtually any cable or DSL modem that supports Ethernet What are the advanced features of the Router The Router s advanced features include Advanced Wireless settings Filtering Port Forwarding Routing DMZ Hosting and MAC Address Cloning How can I check whether have static or DHCP IP Addresses Consult your ISP to obtain this information How do 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 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 Dual Band Wireless A G Broadband Router What is the IEEE 802 11a standard It is one
114. owed 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 After the time is up the user will be automatically assigned a new dynamic IP address The default is 0 minutes which means one day Static DNS 1 3 The Domain Name System DNS is how the Internet trans lates 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 anoth er 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 func tioning 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 Currently Assigned DHCP Clients Table Click the DHCP Clients Table button to view the list of PCs that are given IP addresses by the Router see Figure 7 16 For each PC the list shows the Client Hostname IP Address MAC Address and and the amount of DHCP client lease time left Click the Refresh button to display the most current information DHCP Active IP Table Microsoft Internet Explorer DHCP Active IP Table DHCP Server IP Address 192 168 1 1 Computer Name MAC Address qejzxdc 00 04 54 86 D5 7C IP Address Expires 192 168 1 100 46 seconds
115. p page of the Router s web based utility A Refer to Problem 2 I want to test my Internet connection to verify that your computer is properly connected to the Router B Refer to Appendix D 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 C Set a static IP address on your system refer to Problem 1 I need to set a static IP address D Refer to Problem 10 I need to remove the proxy settings or the dial up pop up window for PPPoE users 5 can t get my Virtual Private Network VPN working through the Router Access the Router s web interface by going to http 192 168 1 1 or the IP address of the Router go to the System tab Make sure you have IPsec pass through L2TP and PPTP pass through enabled VPNs that use IPSec with the ESP Encapsulation Security Payload known as protocol 50 authentication will work fine At least one IPSec session will work through the Router however simultaneous IPSec sessions may be possible depending on the specifics of your VPNs VPNs that use IPSec and AH Authentication Header known as protocol 51 are incompatible with the Router AH has limitations due to occasional incom patibility with the NAT standard Change the IP address for the Router to another subnet to avoid a conflict between the VPN IP address and your local IP address For example if your VPN server a
116. privacy mechanism based on a 64 bit 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 pur poses 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 avoid interference If you are using the Router and one or more Access Points in close proximity to one another and they are set on the same channel interference will be gen erated To avoid interference be sure to set the Router and all Access Points to different channels frequencies in other words assign a unique channel to the Router and each Access Point 87 Instant Wireless Series How do reset the Router Press the Reset button on the back panel for about ten seconds This will reset the Router to its default settings How do resolve issues with signal loss There is no way to know the exact range of your wireless network without test ing 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
117. r 1 05 Power off your DSL modem Connect the Router to the modem and the computer Plug one end of an Ethernet cable into your DSL La Lol the other end into the Router s as a second Ethernet cable into one of the numbered ports on the Router and plug the other end into your computer s Ethernet port Figure 5 5 Power off your cable modem Connect the Router to the modem and the computer Plug one end of an Ethernet cable into your La cata ns and Le the other end into the Plug a second an cable into one of the numbered ports on the Router and plug the other end into your computer s Ethernet port Figure 5 4 Note After the Router is connected your PC may try to connect directly to the Internet Since the connection will now be made through the Router you can disregard click Cancel any attempt your PC makes to connect 6 Power on your modem and connect the power to the modem and the Router As shown on the following screen verify that the Router s LEDs are cor rectly lit If you have a cable connection you will see a screen similar to that shown in Figure 5 6 If you have a DSL connection you will see a screen similar to that shown in Figure 5 7 When the LEDs are lit appro priately click the Next button to continue DK nstant Wireles aries in gt instant Wicpless 5e U Linksys al Be iroless A G Broadband Router Linksys Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Setup Wizard
118. r and this PC s adapter settings to match the your usual network settings The Router s hardware installation is now complete Go to Chapter 4 Configure the PCs Note You should always change the SSID from its default linksys A and enable WEP encryption 12 Dual Band Wireless A G Broadband Router Chapter 4 Configure the PCs The instructions in this chapter will help you configure each of your comput ers to be able to communicate with the Router To do this you need to configure your PC s network settings to obtain an IP or TCP IP address automatically so your PC can function as a DHCP client Computers use IP addresses to communicate with the Router and each other across a network such as the Internet First find out which Windows operating system your computer is running You can find out by clicking the Start button Read the side panel of the Start menu to find out which operating system your PC is running You may need to do this for each computer you are connecting to the Router The next few pages tell you step by step how to configure your network set tings based on the type of Windows operating system you are using Make sure that an Ethernet or wireless adapter also known as a network adapter has been successfully installed in each PC you will configure Once you ve configured your computers setup the Router either by using the Setup Wizard as shown in Chapter 5 Setting Up the Dual Band W
119. r computer screen it is the MAC address for your Ethernet adapter This will appear as a series of letters and numbers 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 Write down the IP Address as shown on your computer screen The exam ple in Figure E 5 shows the IP address of your Ethernet adapter as 192 168 1 100 Your computer may show something different Dual Band Wireless A G Broadband Router Appendix E Glossary 802 11a One of the IEEE standards for wireless networking hardware Products that adhere to a specific IEEE standard will work with each other even if they are manufactured by different companies It specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz The 802 11a standard uses the Orthogonal Frequency Division Multiplexing OFDM trans mission method Additionally the 802 11a standard supports 802 11 features such as WEP encryption for security 802 11b One of the IEEE standards for wireless networking hardware Products that adhere to a specific IEEE standard will work with each other even if they are manufactured by different companies The 802 11b standard specifies a maximum data transfer rate of 11Mbps an operating frequency of 2 4GHz and WEP encryption for security 802 11b networks are also referred to as Wi Fi networks 802 119 A proposed but as yet unratif
120. r unlicensed use in the ISM Industrial Scientific and Medical band Spectrum in the vicinity of 2 4 GHz in particular is being made avail able worldwide This presents a truly revolutionary opportunity to place con venient high speed wireless capabilities in the hands of users around the globe ISP Internet Service Provider A company that provides individuals and companies access to the Internet and other related services such as Web site building and virtual hosting LAN Local Area Network A group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area for example within an office building Layer 2 Data Link layer in the International Standards Organization ISO 7 Layer Data Communications Protocol also known as the OSI Open Systems Interconnection model This is a standard model to consult when designing network protocols Layer 2 is directly related to the hardware interface for net work devices and passes traffic based on MAC addresses MAC Media Access Control Address 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 Mbps Megabits per second One million bits per second unit of measure ment for data transmission MDS A type of one way authentication method that uses pass
121. re has been written onto the ROM or PROM it is retained even when the device is turned off 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 protocol used to transfer files over a TCP IP network Internet UNIX etc For example after developing the HTML pages for a Web site on a local machine they are typically uploaded to the Web serv er using FTP FTP includes functions to log onto the network list directories and copy files It can also convert between the ASCII and EBCDIC character codes FTP oper ations can be performed by typing commands at a command prompt or via an FTP utility running under a graphical interface such as Windows FTP transfers can also be initiated from within a Web browser by entering the URL preceded with ftp 103 104 Instant Wireless Series Unlike e mail programs in which graphics and program files have to be attached FTP is designed to handle binary files directly and does not add the overhead of encoding and decoding the data Full Duplex The ability of a device or line to transmit data simultaneously in both directions Gateway A device that interconnects networks with different incompatible communications protocols Half Duplex Data transmission that can occur in two directions over a single line but only one direction at a time Hardware Hardw
122. red to filter internal users access to the Internet Configuration is a snap with the web browser based configuration utility With the Linksys Dual Band Wireless A G Broadband Router at the center of your home or office network you can share a high speed Internet connection files printers and multi player games with the flexibility speed and security you need Instant Wireless Series e Dual band tri standard Access Point communicates with Wireless A 802 11a Wireless B 802 11b and Wireless G draft 802 1 1g wireless networks e Protect your wireless investment while preparing your infrastructure for the future e Built in 4 port Switch jump starts your wired network while the Router functionality securely shares your high speed Internet connection with wired and wireless computers e Advanced Security Wireless data encryption WEP VPN pass through Internet access control and Wireless filters e Performance Investment Protection Compatibility with Wireless A 802 11a Wireless B 802 11b and Wireless G Standards e Built in 4 Port 10 100 Switch Supports Wired Ethernet Clients e All Ethernet Ports Support Auto MDI MDI X No Need for Crossover Cables or Uplink Port e Wireless Security with up to 152 bit WEP Encryption e Enhanced Security Management Functions Port Filtering MAC and IP Address Filtering DMZ Hosting and NAT Technology e Access Your Corporate Network Remotely through Virtual Private Networking VPN
123. red co located Canadian Department of Communications Industry Canada IC Notice This Class B digital apparatus complies with Canadian ICES 003 and RSS 210 Cet appareil num rique de la classe B est conforme a la norme NMB 003 et CNR 210 du Canada To prevent radio interference to the licensed service this device is intended to be oper ated indoors and away from windows to provide maximum shielding Equipment or its transmit antenna that is installed outdoors is subject to licensing Pour emp cher que cet appareil cause du brouillage au service faisant l objet d une licence il doit tre utilis l int rieur et devrait tre plac loin des fen tres afin de fournir un cran de blindage maximal Si le mat riel ou son antenne d mission est install l ext rieur il doit faire l objet d une licence EC DECLARATION OF CONFORMITY EUROPE Linksys Group declares that the Instant Wireless Series products included in the Instant Wireless Series conform to the specifications listed below following the provisions of the European R amp TTE directive 1999 5 EC EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC For 11Mpbs 2 4 GHz access points with 100 mW radios the following standards were applied e ETS 300 826 301 489 1 General EMC requirements for Radio equipment e EN 609 50 Safety e ETS 300 328 2 Technical requirements for Radio equipment For 54 Mpbs 5 GHz access points with 40 mW radios the fo
124. ress the Enter key Figure 6 1 2 An Enter Network Password window shown in Figure 6 2 will appear Windows XP users will see a Connect to 192 168 1 1 window shown in Figure 6 3 Leave the User Name field empty and enter admin in lower case letters in the Password field admin is the default password Then click the OK button Enter Network Password il 2 x Connect to 192 168 1 1 Linksys WRTSSAG D gt Please type your user name and password Site 192 168 1 1 User name e Realm Linksys WRT554G Password User Name Password oan J Save this password in your password list C Remember my password Figure 6 3 Figure 6 2 Dual Band Wireless A G Broadband Router 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 Name and Domain Name usually cable ISPs require them These fields allow you to provide a host name and domain name for the Router and are usual ly left blank The values for the Router s LAN IP Address and Subnet Mask are shown on the Setup screen The default values are 192 168 1 1 for the IP Address and 255 255 255 0 for the Subnet Mask The Router supports four connection types Automatic Configuration DHCP obtain an IP automatically Static IP PPPoE and PPTP These types are listed in the drop down menu for the Configuration Type setting Each Setup screen and availabl
125. ructions may cause harmful interference to radio communications However there is no guarantee that inter ference 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 UG WRT55AG 30304NC KL FCC Caution Any change or modification to the product not expressly 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 To comply with the FCC and ANSI C95 1 RF exposure limits the antenna s for this device must comply with the following e Access points with 2 4 GHz or 5 GHz integrated antenna must operate with a sepa ration distance of at least 20 cm from all persons using the cable provided and must not be co located or operating in conjunction with any other antenna or transmitter End users must be provided with specific operations for satisfying RF exposure compli ance Note Dual antennas used for diversity operation are not conside
126. s 0 0 0 0 Subnet Mask o fo fo 0 Default Gateway 0 0 0 0 User Name Password Connect on Demand Max Idle Time 5 Min Keep Alive Redial Period 30 Sec MAC Address 00 11 22 33 44 55 Tec me 192 168 1 1 This is the IP address and Subnet Mask of SMUGI EE SE 255 255 255 0 MI the Router as it is seen by your local network Wireless MAC Address 00 90 4B 0A C9 DC Mode Enable 5 G Hz Channel 52 5 26GHz M Regulatory Domain US 802 118 SSID test 802 11a Wireless WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 GHz Mode Mixed x 24 Channel 6 2 437GHz M Regulatory Domain US ALICE SSID testg SSID Broadcast Enable WEP Enable Disable Figure 7 7 Specify Internet 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 speci fy here Subnet Mask This is the Router s Subnet Mask as seen by external users on the Internet including your ISP Your ISP will provide you with the Subnet Mask Default Gateway Your ISP will provide you with the Default Gateway Address User Name and Password Enter the User Name and Password provided by your ISP Dual Band Wireless A G Broadband Router Connect on Demand Max Idle Time You can configure the Router to cut the Internet connection after it has been inactive for a specified period of time Max Idle Time If yo
127. s 2000 Connection that uses the appropriate Ethernet network adapter Then click Properties Figure 5 10 x Instant Wireless Series la LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using a Static IP Setting Follow the instructions below to make sure your computer will work properly with the Router If your Windows XP setup resembles the screens below follow these directions tis 7 If it looks different click the Classic button on the right for different directions Windows XP Default Mode Click Start and select the Right click on the Local Area Control Panel icon Click the Connection that uses the Network and Internet appropriate Ethemet network Connections icon Then click adapter Then click Properties letwork Connections icon Classic Back Next g Figure 5 11 After configuring your PC as shown in the first part of 5a you will see a Static IP Setup screen If you have a cable connection you will see a screen similar to that shown in Figure 5 12 If you have a DSL connection you will see a screen similar to that shown in Figure 5 13 Enter the informa tion just as you do when logging onto your Internet connection and click the Next button Then continue to step 6 R Instant Wireless Series a LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using the Static IP Addr
128. s password through the Web based Utility s Password page Copyright 2002 Linksys All rights reserved Figure 5 8 7a When connecting to the Internet through a Static IP Address R Instant Wireless Ga LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 i i Your Internet connection is using a Static IP Setting Follow the instructions The S etup 1Z ard will now ask below to make sure your computer will work properly with the Router you to make changes to your PC s Gp Neorg g SO ios Me l Tre ya pr agro ton TCP IP settings Follow the my re Pi instructions shown clicking the Next button to continue If you are using Windows 98 or Me the instructions will start as shown in Figure 5 9 Figure 5 9 23 24 If you are using Windows 2000 the instructions will start as shown in Figure 5 10 If you are using Windows XP the instructions will start as shown in Figure 5 11 If you are using Windows XP in Classic mode you can see these instructions in this mode by clicking the Classic button Instant Wireless Series I TN x Instant Wireless Series Es LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using a Static IP Setting Follow the instructions below to make sure your computer will work properly with the Router Right click My Network Places Then click Properties Right click the Local Area Window
129. s pouvez contacter l Autorit de R gulation des T l communications http www art telecom fr pour de plus amples renseignements 2 4 GHz Band only channels 10 11 12 13 2457 2462 2467 and 2472 MHz respectively may be used freely in France for indoor use License required for out door installations 5 GHz Band frequencies in the 5150 MHz 5350 MHz band may be used indoor with maximum power of 200 mW Their use is forbidden outdoors The 5470 MHz 5725 MHz band is not currently open Please contact ART http www art telecom fr for procedure to follow Deutschland D Anmeldung im Outdoor Bereich notwending aber nicht genehmi gungspflichtig Bitte mit Handler die Vorgehensweise abstimmen Germany D License required for outdoor installations Check with reseller for proce dure to follow Italia l E necessaria la concessione ministeriale anche per l uso interno Verificare con i rivenditori la procedura da seguire L uso per installazione in esterni non e per messa Italy License required for indoor use Use with outdoor installations not allowed The Netherlands NL License required for outdoor installations Check with reseller for procedure to follow Nederlands NL Licentie verplicht voor gebruik met buitenantennes Neem contact op met verkoper voor juiste procedure Dual Band Wireless A G Broadband Router Table of Contents Chapter 1 Introduction The Dual Band Wireless A G Broadband Router Features The Rou
130. ssential for router operation however Linksys recommends the use of WEP encryption The second wireless security feature is 802 1x The IEEE 802 1x standard spec ifies authentication methods for a wireless client such as a PC to access a net work so network security is enhanced Based on the Extensible Authentication Protocol EAP 802 1x designates how a client accesses a network server fre quently a RADIUS server with the Router acting as an authenticator When a network uses 802 1x the identity of the client is verified before the client is allowed network access For example a wireless user may use one of the authentication methods to access a wireless network protected by an authentication server The user s PC sends a request to the Router an access point can be used instead The Router sends an identification request back to the PC After the PC sends the Router the identification message the Router forwards the identification message to the server If the server accepts the identification message then the PC is permitted access to the wireless network Dual Band Wireless A G Broadband Router There are two types of WEP encryption for 802 1x static and dynamic Static WEP keys are more vulnerable and can only be changed manually on all devices including the Router If you are using MDS authentication then you can only use static WEP keys Dynamic WEP keys are keys that are renewed automatically on a periodic basis
131. ssigns an IP address 192 168 1 X X is a number from 1 to 254 and your local LAN IP address is 192 168 1 X X is the same number used in the VPN IP address the Router will have difficulties routing information to the right location If you change the Router s IP address to 192 168 2 1 that should solve the problem Change the Router s IP address through the Setup tab Dual Band Wireless A G Broadband Router of the web interface If you assigned a static IP address to any computer or net work device on the network you need to change its IP address accordingly to 192 168 2 Y Y being any number from 1 to 254 Note that each IP address must be unique within the network Your VPN may require port 500 UDP packets to be passed to the computer that is connecting to the IPSec server Refer to Problem 7 I need to set up online game hosting or use other Internet applications for details Check the Linksys website for more information at www linksys com 6 need to set up a server behind my Router To use a server like a web ftp or mail server you need to know the respective port numbers they are using You can get more information by viewing the doc umentation provided with the server you installed 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 A Access the Router s web based utility by going to http 192 168 1 1 or the IP address of
132. t download means receive URL Uniform Resource Locator The address that defines the route to a file on the Web or any other Internet facility URLs are typed into the browser to access Web pages and URLs are embedded within the pages themselves to pro vide the hypertext links to other pages 111 112 Instant Wireless Series VPN Virtual Private Network A technique that allows two or more LANs to be extended over public communication channels by creating private commu nication subchannels tunnels Effectively these LANs can use a WAN as a single large virtually private LAN This removes the need to use leased lines for WAN communications through secure use of a publicly available WAN such as the Internet Examples of VPN technology are PPTP Point to Point Tunneling Protocol L2TP Layer 2 Tunneling Protocol and IPSec Internet Protocol Security 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 the tele phone DSL or cable systems or through leased lines or satellites In its most basic definition the Internet could be considered a WAN WEP Wired Equivalent Privacy A data privacy mechanism based on a 64 bit or 128 bit shared key algorithm as described in the IEEE 802 11 standard WINIPCFG Configuration utility based on the Win32 API for queryi
133. t messages for associated clients it sends the next DTIM with a DTIM Interval value AP Clients hear the beacons and awaken to receive the broadcast and multicast messages Dynamic IP Address An IP address that is automatically assigned to a client station in a TCP IP network typically by a DHCP server Network devices that serve multiple users such as servers and printers are usually assigned static IP addresses Dynamic Routing The ability for a router to forward data via a different route based on the current conditions of the communications circuits For example it can adjust for overloaded traffic or failing lines and is much more flexible than static routing which uses a fixed forwarding path EAP Extensible Authentication Protocol An IETF standard that establishes an authentication protocol for network access Many authentication methods including passwords certificates and smart cards work within this framework Encryption A security method that applies a specific algorithm to data in order to alter the data s appearance and prevent other devices from reading the information Ethernet IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium Has a transfer rate of 10 Mbps Forms the underlying transport vehicle used by several upper level protocols including TCP IP and XNS Fast Ethernet A 100 Mbps technology based on the 10Base T Ethernet CSMA CD net
134. tc 109 110 Instant Wireless Series Software Instructions for the computer A series of instructions that performs a particular task is called a program The two major categories of software are system software and application software System software is made up of control programs such as the operating system and database management sys tem DBMS Application software is any program that processes data for the user A common misconception is that software is data It is not Software tells the hardware how to process the data Spread Spectrum Spread Spectrum technology is a wideband radio frequen cy technique developed by the military for use in reliable secure mission crit ical communications systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is con sumed 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 1s not tuned to the right frequency a spread spectrum signal looks like background noise There are two main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS SSID Service Set IDentifier A unique name shared among all points in a wireless network The SSID must be identical for each point in th
135. ter s Functions IP Addresses Router Setup Overview Chapter 2 Getting to Know the Dual Band Wireless A G Broadband Router The Router s Back Panel The Router s Front Panel Chapter 3 Connect the Router Overview Wired Connection to a PC Wireless Connection to a PC Chapter 4 Configure the PCs Overview Configuring Windows 98 and Millennium PCs Configuring Windows 2000 PCs Configuring Windows XP PCs Chapter 5 Setting Up the Dual Band Wireless A G Broadband Router Chapter 6 Configure the Router s Basic Settings with the Web based Utility Chapter 7 The Router s Web based Utility Overview How to Access the Web based Utility Setup Security System DHCP SNMP Status RE ND ND me NO 0 10 10 10 12 13 13 14 16 18 20 28 33 33 33 34 44 46 50 52 53 Instant Wireless Series Help Advanced Tabs Advanced Wireless Internet Filter Port Forwarding Routing DDNS Appendix A Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B How to Ping Your ISP s E mail amp Web Addresses Appendix C Configuring Wireless Security Background WEP Encryption Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter Appendix E Glossary Appendix F Specifications Environmental Appendix G Warranty Information Appendix H Contact Information 35 56 56 60 63 66 68 70 70 81 89 92 92 93 94 97 113 114
136. ternet Host Name Domain Name Connection Type LAN IP Address Subnet Mask Wireless 5 GHz 802 114 Wireless 24997 Wireless G Instant Wireless Series The Setup screen lets you configure the basic Internet LAN and wireless settings For further information please see the User Guide or click the Help button 1 05 Feb 18 2003 GMT 08 00 Pacific Time USA amp Canada w F1 Automatically adjust clock for daylight saving changes MAC Address 00 11 22 33 44 56 Host and Domain settings may be required by your ISP Automatic Configuration DHCP M Select the type of connection you have to the Internet MAC Address 00 11 22 33 44 55 192 168 1 1 This is the IP address and Subnet Mask of 255 255 255 0 M the Router as it is seen by your local network MAC Address 00 90 4B 0A C9 DC Mode Enable x Channel 52 5 26GHz M Regulatory Domain US SSID test a WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 Mode Mixed M Channel 6 2 437GHz M Regulatory Domain US SSID test g SSID Broadcast Enable WEP Enable Disable Figure 6 4 If you are connecting through a static or fixed IP address from your ISP per form these steps A Select Static IP as the Configuration Type shown in Figure 6 5 B Enter the Internet IP Address C Enter the Subnet Mask D Enter the Default Gateway E Enter the DNS in the 1 2 and or 3 fields You need to e
137. the 802 11a wireless network is available The 802 11b WLAN Indicators Act Link Green When the Act LED flickers the 802 11b wireless net work is active Green When the Link LED is continuously lit the 802 11b wireless network is available The LAN Indicators Link Act Full Col 100 Green The Link Act LED serves two purposes If the LED is continuously lit the Router is successfully connected to a device through the corresponding port If the LED 1s flicker ing the Router is actively sending or receiving data over that port Green The Full Col LED also serves two purposes If this LED is lit up solidly the connection made through the corre sponding port is running in Full Duplex mode If the LED flickers the connection is experiencing collisions when two PCs send data at the same time Infrequent collisions are normal Orange The 100 LED lights up when a successful 100Mbps connection is made through the corresponding port If this LED does not light up then your connection speed is 10Mbps Dual Band Wireless A G Broadband Router The Internet Indicators Link Act 100 Green The Link Act LED lights up when a successful con nection is made between the Router and your cable or DSL modem the Internet The Link Act LED flickers when the Router is sending or receiving data over the Internet port Orange The 100 LED lights up when a successful 100Mbps connection is made through the correspondi
138. the Router Go to the Advanced gt Port Forwarding tab B Enter any name you want to use for the Customized Application C 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 D Check the protocol you will be using TCP and or UDP E 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 D Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address F 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 ooo eee eee Web server 80 to 80 X X 192 168 1 100 X FIP server 21021 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 the configuration click the Apply button 15 76 Instant Wireless Series 7 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
139. the ports you want to have opened while DMZ hosting opens all the ports of one computer exposing the computer so the Internet can see it Any PC whose port is being forwarded must have its DHCP client function dis abled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function 1 To expose one PC select Enable 2 Enter the computer s IP address in the DMZ Host IP Address field 3 Click the Apply button Block WAN Request By enabling the Block WAN Request feature you can prevent your network from being pinged or detected by other Internet users The Block WAN Request feature also reinforces your network security by hid ing your network ports Both functions of the Block WAN Request feature make it more difficult for outside users to work their way into your network This feature is enabled by default Select Disable to disable this feature To save your changes on this page click the Apply button To cancel any unsaved changes on this page click the Cancel button To get more informa tion about the features click the Help button 46 The System screen shown in Figure 7 13 lets you control a variety of the Router s general features from restoring factory defaults to enabling its remote management capability Restore Factory Defaults Click the Yes button to reset all configuration set tings to their default values and then click the Apply button Any settin
140. tional files Check for the files at c windows options cabs or insert your Windows CD ROM into your CD ROM drive and check the correct file location e g D win98 D win9x Figure 4 1 etc 1f D is the letter of your CD ROM drive 6 Windows may ask you to restart your PC Click the Yes button If Windows does not ask you to restart restart your computer anyway Go to Chapter 5 Setting Up the Dual Band Wireless A G Broadband Router 14 19 Instant Wireless Series Dual Band Wireless A G Broadband Router Configuring Windows 2000 PCs 3 Make sure the box next to Internet Protocol TCP IP is checked Highlight Internet Protocol TCP IP and click the Properties button 1 Click the Start button Select Settings and click the Control Panel icon Local Area Connection Properties 21 x Double click the Network and Dial up Connections icon General Connect using HB Linksys LNETOOT V5 Fast Ethemet Adapter 2 Select the Local Area Connection icon for the applicable Ethernet adapter usually it is the first Local Area Connection listed Double click the ne ie chesrked ln Local Area Connection Click the Properties button a OnE een mort File and Printer Sharing for Microsoft Networks Y Intemet Protocol TCP IP Local Area Connection Status fra x Install Uninstall Description General Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communic
141. tomatically detected the information listed below Click the Next button to continue DHCP Setup DHCP Setup HostName Host Name f Domain Name Domain Name Figure 5 14 Figure 5 15 When connecting to the Internet through a PPPoE connection PPPoE connections are only available with DSL Internet connections If this is how you connect to the Interent you will see a screen similar to that shown in Figure 5 16 Enter the information just as you do when logging onto your Internet connection and click the Next button Then continue to step 6 I INKSYS Instant Wireless Series a LINKSYS Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Your Internet connection is using the PPPoE settings Enter the user name and password you use for logging on to your Internet connection below Then enter the password again in the Confirm Password field and click Next DSL Note After the Router is set up you may see the PPPoE dial up network as Configure the Router connection screen when launching your web browser You can press Cancel to continue To prevent this screen from re appearing refer to this question I am a PPPPoE user and need to remove the proxy settings or the dial up pop up windows in Appendix A Troubleshooting of the User Guide PPPoE Setup 3 Next Back Copyright 2003 Linksys Group Inc All rights reserved Figure 5 16 25 Instant Wireless Series 8 As shown in Fig
142. tton to display the most up to date data Routing Table Entry List Destination LAN IP Subnet Mask Gateway Interface 192 168 1 0 255 255 255 0 192 168 1 1 LAN amp Wireless 127 0 0 1 0 0 0 0 127 0 0 1 LOOPBACK Figure 7 28 The Router offers a Dynamic Domain Name System DDNS feature DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address It is useful when you are hosting your own website FTP server or other serv er behind the Router Before you can use this feature you need to sign up for DDNS service at www dyndns org or www TZO com DDNS service providers U Linksys CR PE Roving cons Before you can use this feature you must register a domain name with www dyndns org a DDNS DONS service provider To sign up for the DynDNS Service click here PONTS DynDNS org Ml User Name Password Host Name cima CECE 0 0 0 0 SICLUCHE Faill La m gt Figure 6 27 68 Dual Band Wireless A G Broadband Router DDNS Service To enable DDNS Service select Enable and follow these instructions 1 Sign up for a DDNS service and write down your User Name Password and Host Name information 2 Onthe DDNS screen select Enable 3 Complete the User Name Password and Host Name fields 4 To save your new settings click the Apply button To cancel your changes click the Cancel button Internet IP Address The Router s current Internet IP Address is
143. ur Internet connection has been terminated due to inac tivity Connect on Demand enables the Router to automatically re establish your connection as soon as you attempt to access the Internet again If you wish to activate Connect on Demand click the radio button In the Max Idle Time field enter the number of minutes you want to have elapsed before your Internet connection terminates Keep Alive Option Redial Period If you select this option the Router will peri odically 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 To use this option click the radio button next to Keep Alive In the Redial Period field you specify how often you want the Router to check the Internet connection The default Redial Period is 30 seconds To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button LAN IP Address and LAN Subnet Mask The values for the Router s IP Address and Subnet Mask are shown here The default values are 192 168 1 1 for the LAN IP Address and 255 255 255 0 for the Subnet Mask WIRELESS 5GH z 802 11a Wireless To enable 5GHz 802 1 1a wireless networking make sure the Enable radio button is selected Click the Change 5GHz Settings but
144. ur network The Router can be used as a DHCP server for your network If you already have a DHCP server for your network then disable the DHCP Server feature DHCP Server Enable Seneca 192 168 1 100 Maximum Number of DHCP Users EX Client Lease Time 0 Minutes 0 means one day Seem Zz 2 _ 3 ites Currently Assigned DHCP Clients Table 1 r Figure 7 15 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 DHCP Server DHCP is enabled by factory default If you already have a DHCP server on your network or you don t want a DHCP server then click the Disable radio button no other DHCP features will be available Starting IP Address Enter a value for the DHCP server to start with when issuing 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 than 192 168 1 253 The default Starting IP Address is 192 168 1 100 Maximum Number of DHCP Users 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 The default is 50 Dual Band Wireless A G Broadband Router Client Lease Time The Client Lease Time is the amount of time a network user will be all
145. ure 5 17 the Basic Settings screen for your 2 4GH7 54g 802 11g draft wireless products will appear Enter the Network Mode SSID and the channel at which the network broadcasts its wireless signal Then click the Next button to continue Network Mode Since Wireless G products are backwards compatible with 802 11b products this mode is provided in the event you wish to incorpo rate 802 11b products into you Wireless G wireless network If you are using both Wireless G and 802 11b products in your network select Mixed mode You may experience reduced networking speeds in Mixed mode as the speed must compensate for both types If you are only using Wireless G products in your network select G Only mode SSID The SSID is the unique name shared among all points in a wireless network The SSID must be identical for all points in the wireless network It is case sensitive and must not exceed 32 characters which may be any keyboard character The default SSID linksys g should be changed for greater security Make sure this setting is the same for all points in your wireless network Channel Select the appropriate channel from the list provided to corre spond with your network settings between 1 and 11 in North America All points in your wireless network must use the same channel in order to func tion correctly a e R Instant Wireless Series Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 LINKSYS Basi
146. uter noise There are two 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 trans mission 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 nar rowband 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 fea ture 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
147. will need to enter a Service name as well as the Protocol and Port Range used by the service 5 By selecting the appropriate setting next to Days and Time choose when Internet access will be filtered 6 Lastly click the Apply button to save and activate this policy Internet Access can also be filtered by URL Address the address entered to access Internet sites by entering the address in one of the Website Blocking by URL Address fields If you do not know the URL Address filtering can be done by Keyword by entering a keyword in one of the Website Blocking by Keyword fields To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Dual Band Wireless A G Broadband Router Port Forwarding The Port Forwarding screen shown in Figure 7 25 sets up public services on your network such as web servers ftp servers e mail servers or other spe cialized Internet applications Specialized Internet applications are any appli cations that use Internet access to perform functions such as videoconferencing or online gaming Some Internet applications may not require any forwarding W Linksys Ravana ner sone ng Port The Por Range Forwarding screen sets up public services on your network such as web Forwarding servers ftp servers e mail servers or other specializ
148. words MDS authentication is not as secure as the EAP TLS or EAP TTLS authentication methods MDS authentication does not support dynamic WEP key manage ment MDI Medium Dependent Interface On a network hub or switch a MDI port also known as an uplink port connects to another hub or switch using a straight through cable To connect a MDI port to a computer use a crossover cable Dual Band Wireless A G Broadband Router MDIX Medium Dependent Interface Crossed On a network hub or switch a MDIX port connects to a computer using a straight through cable To connect a MDIX port to another hub or switch use a crossover cable mIRC mIRC runs under Windows and provides a graphical interface for log ging onto IRC servers and listing joining and leaving channels Multicasting Sending data to a group of nodes instead of a single destination NAT Network Address Translation The translation of an Internet Protocol address IP address used within one network to a different IP address known within another network One network is designated the inside network and the other is the outside Network A system that transmits any combination of voice video and or data between users NNTP Network News Transfer Protocol The protocol used to connect to Usenet groups on the Internet Usenet newsreaders support the NNTP protocol Node A network junction or connection point typically a computer or work station Notebook PC
149. work access method Dual Band Wireless A G Broadband Router FHSS Frequency Hopping Spread Spectrum FHSS continuously changes hops the carrier frequency of a conventional carrier several times per second according to a pseudo random set of channels Because a fixed frequency is not used and only the transmitter and receiver know the hop patterns interception of FHSS is extremely difficult Finger A UNIX command widely used on the Internet to find out informa tion about a particular user such as telephone number whether currently logged on or the last time logged on The person being fingered must have placed his or her profile on the system Fingering requires entering the full user domain address Firewall A firewall is a set of related programs located at a network gateway server that protects the resources of a network from users from other networks The term also implies the security policy that is used with the programs An enterprise with an intranet that allows its workers access to the wider Internet installs a firewall to prevent outsiders from accessing its own private data resources and for controlling what outside resources to which its own users have access Basically a firewall working closely with a router examines each network packet to determine whether to forward it toward its destination Firmware Code that is written onto read only memory ROM or program mable read only memory PROM Once firmwa
150. xt button the Setup Wizard will automatically detect your computer s settings Copyright 2003 Linksys Group Inc All rights reserved Figure 5 2 4 Next you will be asked what type of Internet connection you are using as shown in Figure 5 3 Click the DSL or Cable button whichever is appro priate for your type of connection SA Instant Wireless Series Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 C Linksys Select the type of Internet connection you are using cable or DSL Make sure you have the set up instructions provided by your ISP for example a PPPoE user needs to have a username and password ey Ta el LUS If you are using a DSL modem click the DSL button If you are using a Cable modem click the Cable button Copyright 2003 Linksys Group Inc All rights reserved Figure 5 3 21 Instant Wireless Series 5 Now power off your modem and disconnect your Internet connection Then connect the Router as shown on the screen displayed If you have a cable connection you will see a screen similar to that shown in Figure 5 4 If you have a DSL connection you will see a screen similar to that shown in Figure 5 5 When the connections are made click the Next button to con tinue R stant Wi Ep LINKSYS Instant Wireless Seri U Linksys Dual Rand Wireless A G Broadband Router i Dual Band Wireless A G Broadband Router Setup Wizard ver 1 05 Setup Wizard ve
151. y Note Even if you assign a static IP address to a PC other PCs can still use DHCP s dynamic IP addressing as long as the static IP address is not within the DHCP range of the LAN IP Addresses If the dynamic IP addressing fails to provide a dynamic IP address refer to Appendix A Troubleshooting Router Setup Overview This User Guide covers the steps for setting up a network with the Router After going through Chapter 2 Getting to Know the Dual Band Wireless A G Broadband Router most users will only need to use the following chapters e Chapter 3 Connect the Router This chapter instructs you on how to connect a cable or DSL modem to the Router and connect your PC s to the Router e Chapter 4 Configure the PCs This chapter instructs you on how to configure your PCs to be DHCP clients if you have previously set static IP addresses on your PCs Dual Band Wireless A G Broadband Router e Chapter 5 Setting up the Dual Band Wireless A G Broadband Router This chapter will walk you through the Setup Wizard included on the Setup CD ROM e Chapter 6 Configuring the Router s Basic Settings with the Web based Utility While you should always use the Setup Wizard when setting up the Router more advanced users may wish to do this through the Web based Utility This chapter shows you how to configure the Router s basic settings this way Notebook with Wireless Adapter Notebook with ZGH 802 11
152. y you should change the default SSID linksys to a unique name WEP Encryption An acronym for Wired Equivalent Privacy WEP is an encryption method used to protect your wireless data communications WEP uses 64 bit 128 bit or 152 bit keys to provide access control to your network and encryption security for every data transmission To decode a data trans mission each device in a network must use an identical key Higher encryption levels offer higher levels of security but due to the complexity of the encryp tion they may decrease network performance To enable WEP click the radio button beside Enable Click the Edit WEP Settings button to configure the WEP keys for your 5GHz 802 1 1a wireless network see Figure 7 9 Check all the values and click the Apply button to save your 5GHz 802 11a settings To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Dual Band Wireless A G Broadband Router 5GHz 802 11a WEP The 5GHz 802 11a WEP screen shown in Figure 7 9 allows you to config ure your 5GHZ 802 1la WEP RE settings WEP 802 11a Wireless encryption should always Make sure that all wireless devices on your 5GHz network are using the same encryption level and key WEP keys must consist of the letters A through F and the numbers 0 through 9 D TIM ELQUILO M 1 O2 O3 O4 UMTS TU LEE 64 bits 10 hex digits i
153. y be required by your ISP to the Internet through a LORS TCC E PPPoE M Select the type of connection you have to the Internet DSL line check with your User Name linksys m i ISP to see if they use pasword poeeee d _ PPPoE If they do you O Keep Alive Redial Period 30 Sec will have to enable MAC Address 00 11 22 33 44 55 DETTE 192 168 1_ 1_ This is the IP address and Subnet Mask of PPPoE 9 as shown In Subnet Mask 255 255 255 0 x the Router as it is seen by your local network Figure 7 6 8 Wireless MAC Address 00 90 4B 0A C9 DC Mode Enable User Name and Password DROLE Chome 52 526GH E Regulatory Domain US z SSID testa Enter the User Name and MMR we Enable Disable Password provided by MAC Address 00 90 4B 21 BB 88 Mode Mxed E your ISP 2A GHz Channel 6 2 437GHz J Regulatory Domain US MOESA SSID itest g SSID Broadcast Enable WEP Enable Disable Figure 7 6 Connect on Demand Max Idle Time You can configure the Router to cut the Internet connection after it has been inactive for a specified period of time Max Idle Time If your Internet connection has been terminated due to inac tivity Connect on Demand enables the Router to automatically re establish your connection as soon as you attempt to access the Internet again If you wish to activate Connect on Demand click the radio button In the Max Idle Time field enter the number of minutes
154. y if your ISP supports DHCP or you are connecting through a dynamic IP address To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button 3 C Linksys a ae The Setup screen lets you configure the basic Internet LAN and wireless settings For further information please see the User Guide or click the Help button Setup item UIETLEE 1 05 Feb 18 2003 Time Zone GMT 08 00 Pacific Time USA amp Canada K Automatically adjust clock for daylight saving changes Internet MAC Address 00 11 22 33 44 56 Host Name Host and Domain settings may be required by your ISP Domain Name Connection Type Automatic Configuration DHCP Select the type of connection you have to the Internet MAC Address 00 11 22 33 44 55 IP Address 192 168 i a i a This is the IP address and Subnet Mask of Subnet Mask 255 255 255 0 Y the Router as it is seen by your local network Wireless GHz 802 11a 802 11a Wireless 24957 Wireless G MAC Address 00 90 4B 0A C9 DC Mode Enable m Channel 52 5 26GHz_ Regulatory Domain US SSID testa WEP Enable Disable Edit WEP Settings MAC Address 00 90 4B 21 BB 88 Mode Mixed en Channel 6 2437GH2 M Regulatory Domain US SSID test g SSID Broadcast
155. you want to have elapsed before your Internet connection terminates Keep Alive Option Redial Period If you select this option the Router will peri odically 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 want the Router to check the Internet connection The default Redial Period is 30 seconds To apply any of the settings you change on this page click the Apply button To cancel any changes you ve entered on this page click the Cancel button To get more information about the features click the Help button Important For ADSL users if you enable PPPoE remember to remove any PPPoE applications that are already installed on any of your PCs 38 Instant Wireless Series MARNE ER Point to Point Setup Fe Mb internation BIRD 264 re UV CUIR ar le ae Help Laman Tunneling Protocol ieee TETE 1 05 Feb 18 2003 PPTP selected in CELLE GMT 08 00 Pacific Time USA amp Canada Automatically adjust clock for daylight saving changes the screen shown in Figure 7 7 is a serv s ice that applies to con nections in Europe only MAC Address 00 11 22 33 44 56 Host Name Host and Domain settings may be required by your ISP Domain Name HU CUBES PPTP Select the type of connection you have to the Internet Internet IP Addres

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