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Linksys WRT54GP2A-AT User's Manual

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1. UserName o a I Save this password in your password Est LK cs Password Figure 5 2 Router Login Most Nene C C oone of sae isco Low Padoess 132 168 15 fT Senet Mase 255 255 255 0 z DHCP Server G Enabte C Dissbte Sering P Across 482 168 16 100 Macau Number of ET DHCP Users Ciert Lesse Tine O minutes 0 moans one dwy Static ONS 1 Fos 3 fs fz State DNS 2 Roc f3 Re fiz wees 6 fo fe fo Tre Zone GMT 08 00 Pectic Time USA amp Canada z FF Autonatcady squat clock tor Gayight saving charges Sae Setings J Cancel Changes Figure 5 3 Setup Tab Basic Setup Automatic Configuration DHCP 13 Static IP If you are required to use a permanent IP address then select Static IP Internet IP Address This is the IP address that the Router has when seen from the Internet Your ISP will provide you with the IP Address you need to specify 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 Static DNS 1 2 Your ISP will provide you with at least one DNS Domain Name System Server IP Address PPPoE Some DSL based ISPs use PPPoE Point to Point Protocol over Ethernet to establish Internet connections for end users If you use a DSL line check with your ISP to see if they use
2. Setup Tab DDNS TZO com Setup Tab MAC Address Clone Figure 5 10 Wireless Tab Basic Wireless Settings Figure 5 11 Wireless Tab Wireless Security WPA Pre Shared Key Figure 5 12 Wireless Tab Wireless Security WPA RADIUS Figure 5 13 Wireless Tab Wireless Security RADIUS Figure 5 14 Wireless Tab Wireless Security WPA RADIUS Figure 5 15 Wireless Tab Wireless MAC Filter Figure 5 16 MAC Address Filter List Figure 5 17 Wireless Client MAC List Figure 5 18 Wireless Tab Advanced Wireless Settings Figure 5 19 Security Tab Firewall Figure 5 20 Security Tab VPN Figure 5 21 Access Restrictions Tab Internet Access Figure 5 22 Internet Policy Summary Figure 5 23 List of PCs Figure 5 24 Applications amp Gaming Tab Port Range Forward Figure 5 25 Applications amp Gaming Tab Port Trigger Figure 5 26 Applications amp Gaming Tab UPnP Forward Figure 5 27 Applications amp Gaming Tab DMZ Figure 5 28 Administration Tab Management Figure 5 29 Administration Tab Log Figure 5 30 Administration Tab Diagnostics Figure 5 31 Ping Test Figure 5 32 Traceroute Test Figure 5 33 Administration Tab Factory Defaults Figure 5 34 Administration Tab Backup and Restore Figure 5 35 Administration Tab Reboot Figure 5 36 Status Tab Router Figure 5 37 Status Tab Local Network Figure 5 38 DHCP Clients Table Figure 5 39 Status Tab Wireless Figure 5 40 Wireless Client MA
3. NOTE If you want to sign up for Internet phone service or activate your account visit Chapter 6 Signing up for AT amp T CallVantages Service for more information mbps one million bits per second a unit of measurement for data transmission nat network address translation NAT technology translated IP addresses of a local area network to a different IP address for the Internet wpa wi fi protected access a wireless security protocol using TKIP Temporal Key Integrity Protocol encryption which can be used in conjunction with a RADIUS server browser an application program that provides a way to look at and interact with all the information on the World Wide Web lan local area network the computers and networking products that make up the network in your home or office ethernet an IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium 802 11b an IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2 4GHz 802 11g an IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps an operating frequency of 2 4GHz and backward compatibility with 802 11b devices What s in this Guide This user guide covers the basic steps for setting up a network with a router After going through Chapter 3 Getting to Know the Router most users will only need to use t
4. Please note that this may reduce your network performance Change the WEP encryption keys periodically For information on implementing these security features refer to Chapter 5 Configuring the Router Security Threats Facing Wireless Networks Wireless networks are easy to find Hackers know that in order to join a wireless network wireless networking products first listen for beacon messages These messages can be easily decrypted and contain much of the network s information such as the network s SSID Service Set Identifier Here are the steps you can take Change the administrator s password regularly With every wireless networking device you use keep in mind that network settings SSID WEP keys etc are stored in its firmware Your network administrator is the only person who can change network settings If a hacker gets a hold of the administrator s password he too can change those settings So make it harder for a hacker to get that information Change the administrator s password regularly Note Some of these security features are available only through the network router or access point Refer to the router or access point s documentation for more information 59 SSID There are several things to keep in mind about the SSID 1 Disable Broadcast 2 Make it unique 3 Change it often Most wireless networking devices will give you the option of broadcasting the SSID While this opti
5. 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 15 To start over need to set the Router to factory default Hold the Reset button for up to 30 seconds and then release it This will return the password forwarding and other settings on the Router to the factory default settings In other words the Router will revert to its original factory configuration 16 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 connection This may not always work so you may need to re establish connection periodically A To connect to the Router go to the web browser and enter http 192 168 15 1 or the IP address of the Router B Enter the password if asked The default password is admin C On the Basic Setup tab select the option Keep Alive and set the Redial Period option at 20 seconds 53 D Click the Save Settings button E Click the Status tab and click the Connect button F 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 If the connection is lost again follow steps E and F to re establish connecti
6. and enter admin in the Password field Then click the OK button Make the necessary changes through the Utility When you have finished making changes to a screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information on a tab click Help The Setup Tab Basic Setup The Basic Setup screen is the first screen you see when you access the Web based Utility Internet Setup The Internet Setup section configures the Router for your Internet connection type This information can be obtained from your ISP Internet Connection Type The Router supports four connection types Automatic Configuration DHCP Static IP PPPoE and PPTP Each Basic Setup screen and available features will differ depending on what kind of connection type you select Automatic Configuration DHCP By default the Router s Internet Connection Type is set to Automatic Configuration DHCP and it should be used only if your ISP supports DHCP or you are connecting through a dynamic IP address Chapter 5 Configuring the Router How to Access the Web based Utility A Division of Osce Systems be Setup Opbonst Settings required by some ISPs Network Address Server Settings DHCP Time Setting Address http 192 168 15 1 Figure 5 1 Router s IP Address Enter Network Password 2x Y Please type your user name and password Site 192 168 15 1 Realm WRTS4GP24
7. and power on the cable DSL modem first Then power on the Router and other network devices Verify your account information and confirm that the phone line is registered with AT amp T If none of the above works contact AT amp T at 1 866 596 8464 2 The Status Voice screen of the Web based Utility says that the registration for my Internet phone line has failed Go through this checklist until your problem is solved Make sure your network has an active Internet connection Try to access the Internet and check to see if the Router s Internet LED is lit If you do not have a connection power off your network devices including the Router and cable DSL modem Wait 30 seconds and power on the cable DSL modem first Then power on the Router and other network devices Verify your account information and confirm that the phone line is registered with AT amp T Make sure that your cable or DSL modem is supported by AT amp T If none of the above works contact AT amp T at 1 866 596 8464 3 reset the Router to its factory default settings How do I configure the settings for my Internet phone service If your Internet phone service account is active the Router will automatically download its Internet phone service settings once it is connected to the Internet again If you do not have an active Internet phone service account visit http www att com linksys to sign up for a new account or activate your account Then follow the on screen ins
8. home or office may be damaged NOTE Make sure your telephone is set to its tone setting not pulse 4 Connect one end of an Ethernet network cable to one of the numbered ports on the back of the Router Connect the other end to an Ethernet port on a network device e g a PC print server or switch Repeat this step to connect more PCs or other network devices to the Router 5 Power on the broadband modem 6 Connect the included power adapter to the Router s Power port and then plug the power adapter into an electrical outlet The Power LED on the front panel will light up as soon as the Router powers on 7 Power on your PC s Proceed to Chapter 5 Configuring the Router Figure 4 1 Connect the Broadband Modem Figure 4 4 Connect the Power Wireless G Broadband Router with 2 Phone Ports Connecting One Router to Another If you already have a router for example a wireless router and want to add the Wireless G Broadband Router with 2 Phone Ports then you should use the Wireless G Broadband Router with 2 Phone Ports as your primary router so the Internet phone calls will be routed properly For example the following connection diagram shows the Wireless G Broadband Router with 2 Phone Ports connected to a wired router phone and desktop PCs Internet Broadband Modem Wireless G Broadband Router with 2 Phone Ports Wired Router Figure 4 5 Router Connected to Another Router Chapter 4 Co
9. want to sign up for service 3 Follow the on screen instructions When you have activated your Internet phone service the Phone 1 LED on the Router s front panel will light up When you pick up the phone you will hear a dial tone Then you will be able to make Internet phone calls If you experience any problems refer to Appendix A Troubleshooting for more information Address a http ffwww att com linksys Figure 6 1 Website for AT amp T CallVantage Service 44 Appendix Troubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router Read the description below to solve your problems If you can t find an answer here check the AT amp T website at http www usa att com callvantage faqs index jsp or the Linksys website at www linksys com Common Problems and Solutions 1 don t hear a dial tone and the Phone 1 LED is not lit Go through this checklist until your problem is solved Make sure the telephone is plugged into the Phone 1 port Disconnect and re connect the RJ 11 telephone cable between the Router and telephone Make sure your telephone is set to its tone setting not pulse Make sure your network has an active Internet connection Try to access the Internet and check to see if the Router s Internet LED is lit If you do not have a connection power off your network devices including the Router and cable DSL modem Wait 30 seconds
10. 192 168 15 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 check the cable and make sure Obtain an IP address automatically is selected in the TCP IP settings for your Ethernet adapter In the command prompt type ping followed by your Internet IP address and press the Enter key The Internet IP Address can be found in the web interface of the Router For example if your Internet IP address is 1 2 3 4 you would enter ping 1 2 3 4 and press the Enter key e Ifyou get a reply the computer is connected to the Router e If you do NOT get a reply try the ping command from a different computer to verify that your original computer is not the cause of the problem In the command prompt type ping www linksys com and press the Enter key e If you get a reply the computer is connected to the Internet If you cannot open a webpage try the ping command from a different computer to verify that your original computer is not the cause of the problem e If you do NOT get a reply there may be a problem with the connection Try the ping command from a different computer to verify that your original computer is not the cause of the problem Lam not getting an IP address on the Internet with my Internet connection A Refer to Problem 6 want to test my Internet connection to verify that you have connectivity B If you need to register the MAC address of your Et
11. 1P Range 02 19216815 0 0 SaveSetings CancelChanges Ciose 2 Figure D 4 Access Restrictions MAC and IP Addresses Ferreare Versions 1 90 4 Wireless G Broadband Router with 2 Phone Ports VAT SAGPIA C enable Disable TS FF FT TE Figure D 5 MAC Address Clone 64 Appendix E Glossary 802 11b A wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2 4GHz 802 11g A wireless networking standard that specifies a maximum data transfer rate of 54Mbps an operating frequency of 2 4GHz and backward compatibility with 802 11b devices Access Point A device that allows wireless equipped computers and other devices to communicate with a wired network Also used to expand the range of a wireless network Adapter A device that adds network functionality to your PC Ad hoc A group of wireless devices communicating directly with each other peer to peer without the use of an access point AES Advanced Encryption Standard A security method that uses symmetric 128 bit block data encryption Backbone The part of a network that connects most of the systems and networks together and handles the most data Bandwidth The transmission capacity of a given device or network Beacon Interval Data transmitted on your wireless network that keeps the network synchronized Bit A binary digit Boot To start a device and cause it to star
12. A Windows 2000 and XP utility that displays the IP address for a particular networking device IPSec Internet Protocol Security A VPN protocol used to implement secure exchange of packets at the IP layer ISM band Radio bandwidth utilized in wireless transmissions ISP Internet Service Provider A company that provides access to the Internet LAN The computers and networking products that make up your local network LEAP Lightweight Extensible Authentication Protocol A mutual authentication method that uses a username and password system MAC Media Access Control Address The unique address that a manufacturer assigns to each networking device Mbps MegaBits Per Second One million bits per second a unit of measurement for data transmission mIRC An Internet Relay Chat program that runs under Windows Multicasting Sending data to a group of destinations at once NAT Network Address Translation NAT technology translates IP addresses of a local area network to a different IP address for the Internet NAT Network Address Translation Traversal A method of enabling specialized applications such as Internet phone calls video and audio to travel between your local network and the Internet STUN is a specific type of NAT traversal Network A series of computers or devices connected for the purpose of data sharing storage and or transmission between users NNTP Network News Transfer Protocol The protocol
13. DTIM Interval value Its clients hear the beacons and awaken to receive the broadcast and multicast messages The default value is 3 Fragmentation Threshold This value specifies the maximum size for a packet before data is fragmented into multiple packets If you experience a high packet error rate you may slightly increase the Fragmentation Threshold Setting the Fragmentation Threshold too low may result in poor network performance Only minor reduction of the default value is recommended In most cases it should remain at its default value of 2346 RTS Threshold Should you encounter inconsistent data flow only minor reduction of the default value 2347 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 2347 When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help A Desen of Daco Systeme te Fear Wireless G Broadband Router with 2 Phone Ports Wireless Aatherticstion Type Auto powa Auto ER D
14. Router s four Ethernet network ports To add more ports any of the Router s Ethernet network ports can be connected to any of Linksys s switches such as the EZXS55W or EZXS88W With these and many other Linksys products your networking options are limitless Go to the Linksys website at www linksys com for more information about products that work with the Wireless G Broadband Router with 2 Phone Ports Chapter 3 Getting to Know the Router The Back Panel The Router s ports and the Reset button are located on the back panel of the Router Ethernet Figure 3 1 Back Panel Internet This Internet port connects to your cable or DSL modem Phonel For your primary Internet phone line the Phonel port allows you to connect the Router to your telephone or fax machine using an RJ 11 telephone cable not included Phone2 If you have a second Internet phone line the Phone2 port allows you to connect the Router to IMPORTANT If you reset the Router all of your second telephone or fax machine using an RJ 11 telephone cable not included A your settings including Internet connection Internet phone service and security settings Ethernet 1 4 These four Ethernet ports connect to network devices such as PCs print servers or will be deleted and replaced with the factory additional switches defaults Do not reset the Router if you want to retain these settings Reset Button There are two ways to reset the Router to its facto
15. button to clear the screen Click the Close button to return to the Diagnostics screen For help information click Help Chapter 5 Configuring the Router The Administration Tab Diagnostics A Division of Caco Systema ne Wireless G Broadband Router with 2 Phone Ports Administration Ping Test IP Address or Domain Name Ping Number of times to Ping 5 Sep _Geertog Goss Figure 5 31 Ping Test Traceroute Test Microsolt Internet Explorer provided by Cisco Sisters lier Traceroute Test IP Address or Domain Name Trecercute Sue _Guatos cow Figure 5 32 Traceroute Test 37 Broadband Router with 2 Phone Ports The Administration Tab Factory Defaults The Factory Defaults screen allows you to restore the Router s configuration to its factory default settings Factory Defaults Restore Factory Defaults To clear all of the Router s settings and reset them to its factory defaults click the Yes radio button After you have clicked the Yes radio button click the Save Settings button to restore the Router to its factory defaults or click the Cancel Changes button to undo your change For help information click Help exhausted all other troubleshooting measures Once the Router is reset you will have to re enter all of your configuration settings However if you have an active Internet phone service account the Router will automatically download its Internet phone service setting
16. installed and used according to the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment or devices Connect the equipment to an outlet other than the receiver s Consult a dealer or an experienced radio TV technician for assistance FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm between the radiator and your body EC DECLARATION OF CONFORMITY EUROPE Linksys declares that this product conforms to the specifications listed below following the provisions of the European R amp TTE directive 1999 5 EC EN 301 489 1 301 489 17 General EMC requirements for Radio equipment EN 609 50 Safety EN 300 328 1 EN 300 328 2 Technical requirements for Radio equipment 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 pr
17. making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help WPA RADIUS This option features WPA used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router First select the type of WPA algorithm you want to use TKIP or AES Enter the RADIUS server s IP Address and port number along with the key shared between the Router and the server Last enter the Key Renewal Timeout period which instructs the Router how often it should change the encryption keys When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help A Division of Caco Systems ine Fameen Vietor 1 00 4 Wireless G Broadband Router with 2 Phone Ports Wireless Seowty Mode WPAPreshare Key WA Agotnne TP WPA Sared Key Group Key Renewet Figure 5 11 Wireless Tab Wireless Security WPA Pre Shared Key A Division of Cisco Systems me iter with 2 Phone Ports Wireless Seoutymede WPARADUS 2 vonna TRIPs RADAS Server sites CE CRE CE RAOUS Port o Shared Key re ie seconds Figure 5 12 Wireless Tab Wireless Security WPA RADIUS 21 Broadband Router with 2 Phone Ports RADIUS This option features WEP used in co
18. one of the IEEE standards for wireless networks The 802 119 standard allows wireless networking hardware from different manufacturers to communicate provided that the hardware complies with the 802 11g standard The 802 11g standard states a maximum data transfer rate of 54Mbps and an operating frequency of 2 4GHz What IEEE 802 11b features are supported The product supports the following IEEE 802 11b functions e CSMA CA plus Acknowledge protocol e Multi Channel Roaming e Automatic Rate Selection e RTS CTS feature e Fragmentation Power Management What IEEE 802 11g features are supported The product supports the following IEEE 802 11g functions e CSMA CA plus Acknowledge protocol OFDM protocol e Multi Channel Roaming e Automatic Rate Selection e RTS CTS feature e Fragmentation Power Management What is ad hoc mode When a wireless network is set to ad hoc mode the wireless equipped computers are configured to communicate directly with each other The ad hoc wireless network will not communicate with any wired network What is infrastructure mode When a wireless network is set to infrastructure mode the wireless network is configured to communicate with a wired network through a wireless access point What is roaming Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout an area greater than that covered by a single access point Before using the roaming function th
19. 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 this version of 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 is the maximum number of VPN sessions allowed by the Router The maximum number depends on many factors At least one IPSec session will work through the Router however simultaneous IPSec sessions may be possible depending on the specifics of your VPNs How can I check whether I have static or DHCP IP addresses Ask your ISP to find out How do I get mIRC to work with the Router Under the Applications amp Gaming gt Port Range Forward tab set port forwarding to 113 for the PC on which you are using mIRC What is the IEEE 802 11b standard Itis one of the IEEE standards for wireless networks The 802 11b standard allows wireless networking hardware from different manufacturers to communicate provided that the hardware complies with the 802 11b standard The 802 11b standard states a maximum data transfer rate of 11Mbps and an operating frequency of 2 4GHz 58 What is the IEEE 802 119 standard It is
20. selon le d partment L utilisation en ext rieur est soumis autorisation pr alable et tr s restreint Vous pouvez contacter l Autorit de R gulation des T l communications http www art telecom fr pour de plus amples renseignements SAFETY NOTICES Caution To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord Do not use this product near water for example in a wet basement or near a swimming pool Avoid using this product during an electrical storm There may be a remote risk of electric shock from lightning 76 Appendix l Contact Information AT amp T Need to contact AT amp T If you have technical installation repair or billing questions you can call AT amp T at To e mail your questions visit AT amp T online to access your account at After you log in click Help Then click EMAIL AN AGENT in the CONTACT US section Linksys Need to contact Linksys Visit us online for information on the latest products and updates to your existing products at Can t find information about a product you want to buy on the web Do you want to know more about networking with Linksys products Give our advice line a call at Or fax your request in to If you experience problems with any Linksys product you can call us at Don t wish to call You can e mail us at If any Linksys product proves defective during its warranty period you can call the Linksys Return Merchandise Authorizati
21. 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 15 2 to 192 168 15 99 and 192 168 15 151 to 192 168 15 254 E Enter the Subnet Mask 255 255 255 0 F Enter the Default Gateway 192 168 15 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 Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window Restart the computer if asked 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 B C Tom Click Start and Control Panel Click the Network and Internet Connections icon and then the Network Connections icon Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option In the This connection uses the followin
22. used to connect to Usenet groups on the Internet Node A network junction or connection point typically a computer or work station OFDM Orthogonal Frequency Division Multiplexing Frequency transmission that separates the data stream into a number of lower speed data streams which are then transmitted in parallel to prevent information from being lost in transit Packet A unit of data sent over a network 68 Passphrase Used much like a password a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products Ping Packet INternet Groper An Internet utility used to determine whether a particular IP address is online POP3 Post Office Protocol 3 A standard mail server commonly used on the Internet Port The connection point on a computer or networking device used for plugging in cables or adapters Power over Ethernet PoE A technology enabling an Ethernet network cable to deliver both data and power PPPoE Point to Point Protocol over Ethernet A type of broadband connection that provides authentication username and password in addition to data transport PPTP Point to Point Tunneling Protocol A VPN protocol that allows the Point to Point Protocol PPP to be tunneled through an IP network This protocol is also used as a type of broadband connection in Europe Preamble Part of the wireless signal that synchronizes network traffic RADIUS Remot
23. with 2 Phone Ports A Division of Casco Systems tre The Access Restrictions Tab Internet Access Access Restrictions The Internet Access screen allows you to block or allow specific kinds of Internet usage and traffic such as Internet access designated services and websites during specific days and times NOTE If you have an AT amp T CallVantage Service account contact AT amp T technical support at 1 866 596 8464 before you enable an Internet Access Policy Internet Access Internet Access Policy Access can be managed by a policy Use the settings on this screen to establish an access policy after the Save Settings button is clicked Selecting a policy from the drop down menu will display that policy s settings To delete a policy select that policy s number and click the Delete button To view all the policies click the Summary button Status Policies are disabled by default To enable a policy select the policy number from the drop down menu and click the radio button beside Enable To disable a policy select the policy number from the drop down menu and click the radio button beside Disable To create an Internet Access Policy 1 Select a number from the Internet Access Policy drop down menu 2 To enable this policy click the radio button beside Enable a 3 Enter a Policy Name in the field provided oe Re Edit List of PCs J G Dory rtemet access aurng setected dwys and rows F eyan Fan M mnf ne
24. 00BaseTX One 10 100 RJ 45 Port for Broadband Modem Four 10 100 RJ 45 Switched Ports Two RJ 11 Phone Ports for Voice Over IP One Power Port Reset RJ 45 Ethernet Category 5 RJ 11 Standard Phone Cable Power WLAN Ethernet 1 4 Phone 1 2 Internet 802 11b Typ 20 dBm Normal Temp Range 802 119 Typ 18 dBm Normal Temp Range Able WEP WPA 64 Bit 128 Bit Session Initiation Protocol SIP v2 G 711 a law G 711y Law G 726 G 729 A G 723 1 40 50 VRMS typical balanced ring only 25 Hz 72 Ringer Equivalence Number Dimensions W x Hx D Unit Weight Power Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity 5 per RJ 11 port over 2000 feet 7 32 x 2 48 x 6 08 186 mm x 63 mm x 154 4 mm 19 29 oz 0 55 kg 12V 1A FCC 02C to 402C 329F to 1049F 49F to 1409F 202C to 60 C 10 to 85 Non Condensing 5 to 90 Non Condensing 73 Appendix G Warranty Information LIMITED WARRANTY Linksys warrants to You that for a period of one year the Warranty Period your Linksys Product will be substantially free of defects in materials and workmanship under normal use Your exclusive remedy and Linksys entire liability under this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any rebates This limited warranty extends only to the original purchaser If the Product proves defective du
25. 2552552550 Dessus ETS CE re ne Release All More Info gt gt Figure D 2 MAC Address Adapter Address 63 3 Write down the Physical Address as shown on your computer screen it is the MAC address for your Ethernet adapter This appears as a series of numbers and letters The MAC address Physical Address is what you will use for MAC address cloning or MAC filtering Note The MAC address is also called the Physical Address The example shows the Ethernet adapter s IP address as 192 168 1 100 Your computer may show something different For the Router s Web based Utility You can use MAC or IP addresses to designate computers for each Internet Access Policy you create To specify a computer enter its IP address or 12 digit MAC address For MAC address cloning enter the 12 digit MAC address in the User Defined Entry fields two digits per field For more details refer to Chapter 5 Configuring the Router List of PCs Enter MAC Address of the PCs in this format woonooonoax macon 00 00 00 00 00 00 MACOS 00 00 0000 00 00 MAC02 00 00 0000 00 00 MACOS 00 00 00 00 00 00 MAC 03 00 00 00 00 00 00 MAC07 00 00 00 00 00 00 MAC 04 00 00 00 00 00 00 MACOS 00 00 00 00 00 00 Enter the IP Address of the PCs Pot 192 16815 0 wos 192 168 15 0 IP02 192 168 15 0 woes 19216815 0 IP03 192 168 15 0 IP 06 192 168 15 0 Enter the IP Range of the PCs IP Range 01 19216815 0 0
26. C List Figure 5 41 Status Tab Voice Figure 6 1 Website for AT amp T CallVantage Service Figure D 1 IP Configuration Screen Figure D 2 MAC Address Adapter Address Figure D 3 MAC Address Physical Address Figure D 4 Access Restrictions MAC and IP Addresses Figure D 5 MAC Address Clone Chapter 1 Introduction Welcome Thank you for choosing the Wireless G Broadband Router with 2 Phone Ports This Router can direct and control communications for your wired and wireless networks sharing Internet access files and fun easily and securely Plus after you have set up your Internet phone service make phone or fax calls using your Internet connection How does the Router do all of this A router is a device that allows access to an Internet connection over a network With the Wireless G Broadband Router this access can be shared over the four switched ports or via the wireless broadcast at either up to 11Mbps for Wireless B or up to 54Mbps for Wireless G In addition the WPA standard provides greater security opportunities while the whole network is protected through NAT technology Full configurability including these security features are accessed through the easy to use web based utility But what does all of this mean Networks are useful tools for sharing Internet access and computer resources Multiple computers can share Internet access so you don t need more than one high speed Internet connection After you set up your
27. DNS servers 16 WINS The Windows Internet Naming Service WINS converts NetBIOS names to IP addresses If you use a WINS server enter that server s IP address here Otherwise leave this field blank Time Setting Time Zone Select the time zone in which your network functions from this pull down menu If you want the Router to automatically adjust its clock for daylight savings click the checkbox next to Automatically adjust clock for daylight saving changes When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help NOTE To test your settings connect to the Internet now 17 Broadband Router with 2 Phone Ports The Setup Tab DDNS 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 server behind the Router Before you can use this feature you need to sign up for DDNS service at one of two DDNS service providers DynDNS org or TZO com If you do not want to use this feature keep the default setting Disable DDNS DDNS Service If your DDNS service is provided by DynDNS org then select DynDNS org from the drop down menu If your DDNS service is provided by TZO then select TZO com The features available on the DDNS scre
28. Enter the starting port number of the Forwarded Range End Port Enter the ending port number of the Forwarded Range Enable Check the Enable box to enable the application you have defined Port Triggering for a specific application will not function if its Enable box is left unchecked This is disabled unchecked by default When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help Chapter 5 Configuring the Router TI he Applications amp Gaming Tab Port Trigger Li Unit of Once Sistem ie teren Wireless G Broadband Router with 2 Phone Ports Applications amp Gaming Application Protocol Start End Protocol Start End Enable re fo e fo _ felt e e CS oe _ FT fre sj o Een sj FF sj feos sj j mego o fE zo D I fre it b eon g fret p fe fo frego o e CS fo fpe o CCE CS fo Fed eon 0 fo 191910091111 Figure 5 25 Applications amp Gaming Tab Port Trigger 30 Broadband Router with 2 Phone Ports The Applications amp Gaming Tab UPnP Forward The UPnP Forward screen displays preset application settings as well as options to customize port services for other applications UPnP Forward Application Ten applications are preset For custom applications enter the name of your application in one of the available fields The preset application
29. F vas Pim Fm Fosa ners c m FAS FS Tah ra Chapter 5 Configuring the Router The Access Restrictions Tab Internet Access Internet Policy Summary Mo Policy Namo Time 2 E 1 2 3 4 5 6 7 8 s EO CRS RIG EES CIH tin gia RES EN AI Ea ED KIS HES a AT 10 os P Figure 5 22 Internet Policy Summary 27 4 Click the Edit List of PCs button to select which PCs will be affected by the policy The List of PCs screen will Dist of PCs Merovolt Internet faporer provided CC TRS appear You can select a PC by MAC Address or IP Address You can also enter a range of IP Addresses if you List of PCs want this policy to affect a group of PCs After making your changes click the Save Settings button to apply Enter MAC Address ofthe PCs in this format moment your changes or Cancel Changes to cancel your changes Click the Close button to return to the Internet DS A Re aE Access screen macos FO ON OUE0U 0 mac er 60 00 00 00 00 08 MAC 04 00 00 00 00 00 00 MACOS 00 00 00 00 00 00 5 Click the appropriate option Deny or Allow depending on whether you want to block or allow Internet access Enter the IP Address ofthe PCs for the PCs you listed on the List of PCs screen wee mien ET mme rez 121615 0 wes 12216815 0 i r x r aes IP03 19216815 0 1P06 19216816 0 6 Decide which days and what times you want this policy to be enforced Select the individual days during be which t
30. IP Address 0 0 Jo fo Subnet Mask 255 255 255 o Gateway fo fo Jo fo N N an Static DNS 1 fo fo fo fo Staticons2 0 Jo Jo Jo Figure 5 4 Static IP static ip address a fixed address assigned to a computer or device connected to a network subnet mask an address code that determines the size of the network default gateway a device that forwards Internet traffic from your local area network PPPoE v User Name Password C Connect on Demand Max Idle Time Min Keep Alive Redial Period 30 Sec Figure 5 5 PPPoE pppoe a type of broadband connection that provides authentication username and password in addition to data transport 14 PPTP Point to Point Tunneling Protocol PPTP is a service that applies to connections in Europe and Israel only Internet IP Address This is the IP address that the Router has when seen from the Internet Your ISP will provide you with the IP Address you need to specify 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 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 Connect on Demand and Max Idle Time You can configure the Router to cut the Internet connection after it has been inactive for a specific period of time Max Idle Time If you
31. Internet phone service you can also make Internet phone or fax calls even while you re surfing the Internet Plus you can access one printer from different computers and access data located on another computer s hard drive Networks are even used for playing multiplayer video games All the while the Router protects your networks from unauthorized and unwelcome users So networks not only are useful in homes and offices but also can be fun PCs on a wired network create a LAN or Local Area Network They are connected with Ethernet cables which is why the network is called wired PCs equipped with wireless cards or adapters can communicate without cumbersome cables By sharing the same wireless settings within their transmission radius they form a wireless network which is sometimes called a Wireless Local Area Network WLAN The Router bridges wireless networks of both 802 11b and 802 11g standards and wired networks allowing them to communicate with each other To create your network install and set up the Router To guide you through the process Linksys strongly recommends that you run the Setup Wizard on the Setup CD ROM If you prefer to manually set up the Router use the instructions in the Quick Installation or this User Guide to help you These instructions should be all you need to get the most out of the Wireless G Broadband Router http www att com linksys after you have installed and configured the Router Refer to
32. LINKSYS A Division of Cisco Systems Inc 2 4GHz Cisco SYSTEMS Model No WRT54GP2A AT Copyright and Trademarks Specifications are subject to change without notice Linksys is a registered trademark or trademark of Cisco Systems Inc and or its affiliates in the U S and certain other countries Copyright 2004 Cisco Systems Inc All rights reserved Other brands and product names are trademarks or registered trademarks of their respective holders WARNING This product contains chemicals including lead known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling How to Use this Guide Your guide to the Wireless G Broadband Router with 2 Phone Ports has been designed to make understanding networking with the Router easier than ever Look for the following items when reading this User Guide This checkmark means there is a note of interest and is something you should pay special attention to while using the Router This exclamation point means there is a caution or warning and is something that could damage your property or the Router This question mark provides you with a reminder about something you might need to do while using the Router gt gt e In addition to these symbols there are definitions for technical terms that are presented like this word definition Also each figure diagram screenshot or other image is provided with a f
33. MAC or IP address in Windows 98 Me 2000 or XP Windows 98 or Me Instructions 1 Click Start and Run In the Open field enter winipcfg Then press the Enter key or the OK button 2 When the IP Configuration screen appears select the Ethernet adapter you have connected to the Router via a CAT 5 Ethernet network cable 3 Write down the Adapter Address as shown on your computer screen This is the MAC address for your Ethernet adapter and is shown as a Series of numbers and letters The MAC address Adapter Address is what you will use for MAC address cloning or MAC filtering The example shows the Ethernet adapter s IP address as 192 168 1 100 Your computer may show something different Note The MAC address is also called the Adapter Address Windows 2000 or XP Instructions 1 Click Start and Run In the Open field enter cmd Press the Enter key or click the OK button 2 At the command prompt enter ipconfig all Then press the Enter key EIP Contouaton eo linksys LNE100TX Fast Etherne x r Ethemet Adapter Information LNE100TX Fast Ethernet Ad IP Address 192 168 1 45 Subnet Mask 255 255 255 0 Default Gateway 192168 1 254 Release Renew Release All Renew AI Mote Info gt gt Figure D 1 IP Configuration Screen CE lolx Ethemet Adapter Infomation j Linksys LNETOOTX Fast Ethernet z Adapter Address lt 00 0000 00 0000 gt IPAddress 192168 1 100 Subnet Mask
34. P is enabled by factory default If you already have a DHCP server on your network set the Router s DHCP option to Disable If you disable DHCP remember to assign a static IP address to the Router Starting IP Address Enter a value for the DHCP server to start with when issuing IP addresses Because the default IP address for the Router is 192 168 15 1 the Start IP Address must be 192 168 15 2 or greater but smaller than 192 168 15 254 The default Start IP Address is 192 168 15 100 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 Client Lease Time The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their current dynamic IP address Enter the amount of time in minutes that the user will be leased dynamic ip address a temporary IP this dynamic IP address After the dynamic IP address has expired the user will be automatically assigned a new address assigned by a DHCP server dynamic IP address The default is 0 minutes which means one day Static DNS 1 2 The Domain Name System DNS is how the Internet translates domain or website names into Internet addresses or URLs Your ISP will provide you with at least one DNS Server IP Address You can enter up to two DNS Server IP Addresses here The Router will use these for quicker access to functioning
35. PPPoE If they do you will have to enable it User Name and Password Enter the User Name and Password provided by your ISP Connect on Demand and Max Idle Time You can configure the Router to cut the Internet connection after it has been inactive for a specific period of time Max Idle Time If your Internet connection has been terminated due to inactivity Connect on Demand enables the Router to automatically re establish your connection as soon as you attempt to access the Internet again If you wish to activate Connect on Demand click the radio button If you want your Internet connection to remain on at all times enter 0 in the Max Idle Time field Otherwise enter the number of minutes you want to have elapsed before your Internet access disconnects Keep Alive and Redial Period This option keeps your Internet access connected indefinitely even when it sits idle If you select this option the Router will periodically check your Internet connection If the connection is down then the Router will automatically re establish the connection To use this option click the radio button next to Keep Alive The default Redial Period is 30 seconds When you are finished click the Save Settings button Then click the Status tab and click the Connect button to start the connection NOTE For DSL users if you need to enable PPPoE support remember to remove any PPPoE applications that are installed on your PCs 4 sttictP Internet
36. Protocol which utilizes a stronger encryption method and incorporates Message Integrity Code MIC to provide protection against hackers Important Always remember that each A device in your wireless network MUST use the same encryption method and encryption key or your wireless network will not function properly 60 WPA Pre Shared Key If you do not have a RADIUS server Select the type of algorithm TKIP or AES enter a password in the Pre Shared key field of 8 64 characters and enter a Group Key Renewal period time between 0 and 99 999 seconds which instructs the Router or other device how often it should change the encryption keys WPA RADIUS WPA used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router or other device First select the type of WPA algorithm TKIP or AES Enter the RADIUS server s IP Address and port number along with a key shared between the device and the server Last enter a Group Key Renewal period which instructs the device how often it should change the encryption keys Implementing encryption may have a negative impact on your network s performance but if you are transmitting sensitive data over your network encryption should be used These security recommendations should help keep your mind at ease while you are enjoying the most flexible and convenient technology Linksys has to offer 61 Appendix C Windows Help Almost all networki
37. Router Yes enable or disable IPSec Passthrough on the Security gt VPN Passthrough tab Where is the Router installed on the network In a typical environment the Router is installed between the cable DSL modem and the local area network LAN Plug the Router into the cable DSL modem s Ethernet port Does the Router support IPX or AppleTalk No TCP IP is the only protocol standard for the Internet and has become the global standard for communications IPX a NetWare communications protocol used only to route messages from one node to another and AppleTalk a communications protocol used on Apple and Macintosh networks can be used for LAN to LAN connections but those protocols cannot connect from the Internet to the LAN What is Network Address Translation and what is it used for Network Address Translation NAT translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet This adds a level of 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 98 Millennium 2000 or XP Yes but Linksys does not at this time provide technical suppo
38. SSID Service Set IDentifier Your wireless network s name Static IP Address A fixed address assigned to a computer or device that is connected to a network Static Routing Forwarding data in a network via a fixed path STUN Simple Traversal of UDP through NATs A protocol that enables specialized applications such as Internet phone calls video and audio to travel between your local network and the Internet STUN is a specific type of NAT traversal Subnet Mask An address code that determines the size of the network Switch 1 A data switch that 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 circuit TCP Transmission Control Protocol A network protocol for transmitting data that requires acknowledgement from the recipient of data sent TCP IP Transmission Control Protocol Internet Protocol A set of instructions PCs use to communicate over a network Telnet A user command and TCP IP protocol used for accessing remote PCs TFTP Trivial File Transfer Protocol A version of the TCP IP FTP protocol that has no directory or password capability Throughput The amount of data moved successfully from one node to another in a given time period TKIP Temporal Key Integrity Protocol a wireless encryption protocol that provides dynamic encryption keys for each packet
39. 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 problem with 1 0 1 3 As far as hosting games the HL server does not need to be in the DMZ J ust forward port 27015 to the local IP address of the server computer How can I block corrupted FTP downloads If you are experiencing corrupted files when you download a file with your FTP client try using another FTP program The web page hangs downloads are corrupt or nothing but junk characters are being displayed on the screen What do need to do Force your Ethernet adapter to 10M bps 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 Properties tab Make sure that your proxy setting is disabled in the browser Check our website at www linksys com for more information If all else fails in the installation what can do Reset the Router by holding down the Reset button for thirty seconds Then reset your cable or DSL modem by powering the unit off and then on Will the Router function in a Macintosh environment Yes but the Router s setup pages are accessible only through I
40. am Metri Beacon r ervat 100 Deteut 100 MBseconds Range 20 1000 DTM rtervet E pestane 2346 Detaut 2348 Range 256 2346 R347 eine 2047 Range 266 2047 Figure 5 18 Wireless Tab Advanced Wireless Settings 24 Router with 2 Phone Ports The Security Tab Firewall When you click the Security tab you will see the Firewall screen The Router s firewall enhances the security of your network You can also enable a variety of filters to further protect your network and block anonymous Internet requests Firewall The firewall uses Stateful Packet Inspection SPI to check the incoming data transmissions before allowing them to enter your network To enhance the security of your network this feature is enabled by default and cannot be disabled Additional Filters Filter Proxy Use of WAN proxy servers may compromise the Router s security If you deny proxy you will block access to any WAN proxy servers Click the checkbox to enable proxy filtering Filter Cookies A cookie is data stored on your PC and used by Internet sites when you interact with them Click the checkbox to enable cookie filtering Filter J ava Applets ava is a programming language for websites If you deny J ava Applets you run the risk of not having access to Internet sites created using this programming language Click the checkbox to enable J ava Applet filtering Filter ActiveX ActiveX is a programming language for websites If you deny Ac
41. ame server or application to function properly consider exposing one PC to the Internet using DeMilitarized Zone DMZ hosting This option is available when an application requires too many ports or when you are not sure which port services to use Make sure you disable all the forwarding entries if you want to successfully use DMZ hosting since forwarding has priority over DMZ hosting In other words data that enters the Router will be checked first by the forwarding settings If the port number that the data enters from does not have port forwarding then the Router will send the data to whichever PC or network device you set for DMZ hosting Follow these steps to set DMZ hosting A Access the Router s Web based Utility by going to http 192 168 15 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forward 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 DMZ tab D Enter the Ethernet adapter s IP address of the computer you want exposed to the Internet This will bypass the NAT security for that computer Please refer to Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address Once completed with the configuration click the Save Settings button 13 1 forgot my password or the password prompt always appears when saving settings to the Ro
42. aming Tab Port Range Forward tcp a network protocol for transmitting data that requires acknowledgement from the recipient of data sent udp a network protocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent ip internet protocol a protocol used to send data over a network ip address the address used to identify a computer or device on a network 29 Broadband Router with 2 Phone Ports The Applications amp Gaming Tab Port Trigger The Port Trigger screen allows the Router to watch outgoing data for specific port numbers The IP address of the computer that sends the matching data is remembered by the Router 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 Port Trigger Application Enter the application name of the trigger Triggered Range Protocol Select the protocol TCP or UDP For each application list the triggered port number range Check with the Internet application documentation for the port number s needed Start Port Enter the starting port number of the Triggered Range End Port Enter the ending port number of the Triggered Range Forwarded Range Protocol Select the protocol TCP or UDP For each application list the forwarded port number range Check with the Internet application documentation for the port number s needed Start Port
43. ange of external port s used by the server or Internet application Check with the Internet application software documentation for more information Protocol Select the protocol TCP or UDP or select Both IP Address Enter the IP address of the server that you want the Internet users to be able to access To find the IP address go to Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter Enable Check the Enable box to enable the application you have defined Port Range Forwarding for a specific application will not function if its Enable button is left unchecked This is disabled unchecked by default When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help Port Range Forward A Disinn of Caco Spine re Firmware hrs 128 4 band Router with 2 Phone Ports WRTSS0P28 Applications amp Gaming Port Range ApGhcation Start tnd Protocol PAddross Ensble 6 fo Both 140450 7 g fo Both 19216815 0 r g to 0 Bath 19210915 0 r g fo Bath 15210815 0 r f v f Bath gt 15210815 0 r f fo Bo 19210915 0 r f v f Bath 15210845 0 r f v f Bath 15210015 0 r I fe fo Bath 15210045 0 r f f Bath gt 15210815 0 r _SaveSetings Cancel Changes Figure 5 24 Applications amp G
44. ansmitted in a network Ethernet A networking protocol that specifies how data is placed on and retrieved from a common transmission medium Finger A program that tells you the name associated with an e mail address Firewall A set of related programs located at a network gateway server that protects the resources of a network from users from other networks Firmware The programming code that runs a networking device 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 Full Duplex The ability of a networking device to receive and transmit data simultaneously 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 The physical aspect of computers telecommunications and other information technology devices HTTP HyperText Transport Protocol The communications protocol used to connect to servers on the World Wide Web Infrastructure A wireless network that is bridged to a wired network via an access point IP Internet Protocol A protocol used to send data over a network IP Address The address used to identify a computer or device on a network 67 IPCONFIG
45. avigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet Frequently Asked Questions How do configure the Router for Internet phone service Run the Setup Wizard or follow the instructions of the Quick Installation or User Guide to install and configure the Router for your type of Internet connection To configure the Router for Internet phone service visit https www att com linksys and sign up for or activate your account How do I make a phone call Pick up your phone and dial 1 area code phone number You must dial 1 and the area code for all calls even local ones Can make calls if my Internet connection is down No Your high speed Internet connection must be active when you make Internet phone or fax calls Can make calls while I m browsing the Internet Yes You can make Internet phone or fax calls while browsing the Internet However your web browsing may affect the quality of your telephone call depending on the amount of upstream data traffic passing through your Internet connection How do I change the features of my Internet phone service account For features such as call waiting or call forwarding go to https www callvantage att com and access your account online 55 What is the maximum number of IP addresses that the Router will support The Router will support up to 253 IP addresses Is IPSec Passthrough supported by the
46. c to the workstation console used to oversee the network 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 etc Ext Port Enter the number of the external port used by the server in the Ext Port column Check with the Internet application documentation for more information TCP or UDP Select the protocol UDP or TCP for each application You cannot select both protocols Int Port Enter the number of the internal port used by the server in the Int Port column Check with the Internet application software documentation for more information IP Address Enter the IP address of the server that you want the Internet users to be able to access To find the IP address go to Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter Enable Check the Enable box to enable the application you have defined UPnP Forwarding for a specific application will not function if its Enable box is left unchecked This is disabled unchecked by default When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help 32 Broadband Router with 2 Phone Ports The Applications amp Gaming Tab DMZ A Datuen of Osco Systema inc The DMZ screen allows
47. course communication between the wireless equipped computers is limited by the distance and interference directly between them network a series of computers or devices connected for the purpose of data sharing storage and or transmission between users ssid your wireless network s name ad hoc a group of wireless devices communicating directly to each other peer to peer without the use of an access point infrastructure a wireless network that is bridged to a wired network via an access point adapter a device that adds network functionality to your PC ethernet IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium access point a device that allows wireless equipped computers and other devices to communicate with a wired network Also used to expand the range of a wireless network Network Layout The Router has been specifically designed for use with both your 802 11b and 802 11g products It is compatible with all 802 11b and 802 119 adapters such as the Notebook Adapters WPC54G WPC11 for your laptop computers PCI Adapter WMP54G WMP11 for your desktop PC and USB Adapter WUSB54G WUSB11 when you want to enjoy USB connectivity The Router will also communicate with the Wireless PrintServer WPS54GU2 WPS54G WPS11 and Wireless Ethernet Bridges WET54G WET11 When you wish to connect your wireless network with your wired network you can use the
48. ctions These settings should only be adjusted by an expert administrator as incorrect settings can reduce wireless performance Authentication Type The default is set to Auto which allows either Open System or Shared Key authentication to be used With Open System authentication the sender and the recipient do NOT use a WEP key for authentication With Shared Key authentication the sender and recipient use a WEP key for authentication 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 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 Enter a value between 1 and 65 535 milliseconds The Beacon Interval value indicates the frequency interval of the beacon A beacon is a packet broadcast by the Router to synchronize the wireless network The default value is 100 DTIM Interval This value between 1 and 255 indicates the interval of the Delivery Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages When the Router has buffered broadcast or multicast messages for associated clients it sends the next DTIM with a
49. ddress Destination URL IP and Service Port Number for each site are listed Click the Refresh button to update the log When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help LINKSYS A Division of Cisco Syntaran ine Administration Leg enable C Disabie Log Viewer P Actress 492 100 15 255 Incoming Log Outgoing Log Figure 5 29 Administration Tab Log 36 Broadband Router with 2 Phone Ports The Administration Tab Diagnostics The diagnostic tests Ping and Traceroute allow you to check the connections of your network components Ping Test Ping Parameters Ping The Ping test will check the status of a connection Click the Ping button to open the Ping Test screen Enter the IP address or domain name of the PC whose connection you wish to test and how many times you wish to test it 5 10 or unlimited Then click the Ping button To stop the test click the Stop button Click the Clear Log button to clear the screen Click the Close button to return to the Diagnostics screen Traceroute Test Traceroute Parameters Traceroute To test the performance of a connection click the Traceroute button Enter the IP address or domain name of the PC whose connection you wish to test and click the Traceroute button To stop the test click the Stop button Click the Clear Log
50. dress to a user for a limited amount of time instead of assigning permanent IP addresses DMZ Demilitarized Zone Removes the Router s firewall protection from one PC allowing it to be seen from the Internet DNS Domain Name Server The IP address of your ISP s server which translates the names of websites into IP addresses Domain A specific name for a network of computers Download To receive a file transmitted over a network DSL Digital Subscriber Line An always on broadband connection over traditional phone lines DSSS Direct Sequence Spread Spectrum Frequency transmission with a redundant bit pattern resulting in a lower probability of information being lost in transit DTIM Delivery Traffic Indication Message A message included in data packets that can increase wireless efficiency Dynamic IP Address A temporary IP address assigned by a DHCP server 66 EAP Extensible Authentication Protocol general authentication protocol used to control network access Many specific authentication methods work within this framework EAP PEAP Extensible Authentication Protocol Protected Extensible Authentication Protocol A mutual authentication method that uses a combination of digital certificates and another system such as passwords EAP TLS Extensible Authentication Protocol Transport Layer Security A mutual authentication method that uses digital certificates Encryption Encoding data tr
51. e Authentication Dial In User Service A protocol that uses an authentication server to control network access RJ 45 Registered J ack 45 An Ethernet connector that holds up to eight wires Roaming The ability to take a wireless device from one access point s range to another without losing the connection Router A networking device that connects multiple networks together RTP Real time Transport Protocol A protocol that enables specialized applications such as Internet phone calls video and audio to occur in real time RTS Request To Send A networking method of coordinating large packets through the RTS Threshold setting Server Any computer whose function in a network is to provide user access to files printing communications and other services SMTP Simple Mail Transfer Protocol The standard e mail protocol on the Internet SNMP Simple Network Management Protocol A widely used network monitoring and control protocol Software Instructions for the computer A series of instructions that performs a particular task is called a program 69 SOHO Small Office Home Office Market segment of professionals who work at home or in small offices SPI Stateful Packet Inspection Firewall A technology that inspects incoming packets of information before allowing them to enter the network Spread Spectrum Wideband radio frequency technique used for more reliable and secure data transmission
52. e assigned by the Router End IP Address This is the last IP address of the range assigned by the Router DHCP Clients Table Click the DHCP Clients Table button to view a list of PCs that have been assigned IP addresses by the Router The DHCP Active IP Table screen lists the DHCP Server IP Address Client Host Names IP Addresses MAC Addresses and Expiration dates Click the Delete checkbox to delete a DHCP client listing Click the Refresh button to update the information Click the Close button to return to the Local Network screen Click the Refresh button to update the on screen information For help information click Help Chapter 5 Configuring the Router The Status Tab Local Network Ly Division of Caco Systema ine Wireless G Broadband Status DROFSESAET CS Phtrese 492 168 151 Subnet Mast 255 255 255 0 DHCP Server Enable Stat P Access 192 168 95 108 ErdPAdwess 1924681614 DHCP Active IP Table OHOP Server IP Address 192 168 15 1 Rovesh Client Host Name IP Address MAC Address Expires Dolot r Leone a 18210835300 COTE TE MAL LAN 2 08 0011 2008 Figure 5 38 DHCP Clients Table 41 Broadband Router with 2 Phone Ports The Status Tab Wireless The Wireless screen displays the status of your wireless network Wireless Wireless Firmware Version This shows the version and date of the wireless firmware that is currently installed MAC Address The MAC Address of the Router s wi
53. e the SNMP Simple Network Management Protocol and UPnP Universal Plug and Play features Router Password Local Router Access To ensure the Router s security you will be asked for your password when you access the Router s Web based Utility The default password is admin Router Password It is recommended that you change the default password to one of your choice Re enter to confirm Re enter the Router s new Password to confirm it Remote Router Access This feature allows you to access the Router from a remote location via the Internet Remote Management This feature allows you to manage the Router from a remote location via the Internet To enabled Remote Management click the Enable radio button Management Port Enter the port number you will use to remotely access the Router Use https Secure Sockets Layer SSL connection enhances the security of your data transmissions If you want to use an SSL connection to remotely manage the Router click the checkbox NOTE When you are in a remote location and wish to manage the Router enter http lt Internet IP Address gt port Enter the Router s specific Internet IP address in place of lt Internet IP Address gt and enter the Administration Port number in place of the word port NOTE If the https feature is enabled then enter https lt Internet IP Address gt port when you are in a remote location and wish to manage the Router Enter the Router s sp
54. e using For example if you have a web server you would enter the range 80 to 80 Select the protocol you will be using TCP or UDP or select Both 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 15 100 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 Check the Enable option for the port services you want to use Consider the examples below Application Start and End Protocol IP Address Enable Web server 80 to 80 Both 192 168 15 100 X FTP server 21to21 TCP 192 168 15 101 X SMTP outgoing 25 to 25 Both 192 168 15 102 X POP3 incoming 110 to 110 Both 192 168 15 102 X When you have completed the configuration click the Save Settings button 11 1 need to set up online game hosting or use other Internet applications If you want to play online games or use Internet applications most will work without doing any port forwarding or DMZ hosting There may be cases when you want to host an online game or Internet application This would require you to set up the Router to deliver incoming packets or data to a specific computer This also applies to the Internet applications you are using The best way to get the information on what port services to use is to go to the website of the onl
55. e workstation must make sure that it is the same channel number with the access point of dedicated coverage area To achieve true seamless connectivity the wireless LAN must incorporate a number of different functions Each node and access point for example must always acknowledge receipt of each message Each node must 59 maintain contact with the wireless network even when not actually transmitting data Achieving these functions simultaneously requires a dynamic RF networking technology that links access points and nodes In such a system the user s end node undertakes a search for the best possible access to the system First it evaluates such factors as signal strength and quality as well as the message load currently being carried by each access point and the distance of each access point to the wired backbone Based on that information the node next selects the right access point and registers its address Communications between end node and host computer can then be transmitted up and down the backbone As the user moves on the end node s RF transmitter regularly checks the system to determine whether it is in touch with the original access point or whether it should seek a new one When a node no longer receives acknowledgment from its original access point it undertakes a new search Upon finding a new access point it then re registers and the communication process continues What is ISM band The FCC and their counterparts o
56. ecific Internet IP address in place of lt Internet IP Address gt and enter the Administration Port number in place of the word port A Divin of Osco Systemes ine Administration Local Router Access Wiroless G Broadband Router with 2 Phono Ports COS ac e92 060 15 255 G Enable C Disable Figure 5 28 Administration Tab Management 34 SNMP SNMP Simple Network Management Protocol is a network protocol that provides network administrators with the ability to monitor the status of the Router and receive notification of any critical events as they occur on the network SNMP To enable SNMP check the Enabled box To configure SNMP complete all fields on this screen To disable the SNMP agent remove the checkmark Get Community Enter the password that allows read only access to the Router s SNMP information The default name is public Set Community Enter the password that allows read write access to the Router s SNMP information The default name is private A name must be entered in this field SNMP Trap Community Enter the password required by the remote host computer that will receive trap messages or notices sent by the Router SNMP Trap Destination Enter the IP address of the remote host computer that will receive the trap messages UPnP UPnP UPnP allows Windows XP and Me to automatically configure the Router for various Internet applications such as gaming and videoconferencing To e
57. ed ranges for Internet applications click this tab UPnP Forward Use this screen to alter UPnP forwarding settings DMZ Click this tab to allow one local user to be exposed to the Internet for use of special purpose services Administration Management On this screen alter the Router s password and access privileges as well as the SNMP and UPnP settings Log If you want to view or save activity logs click this tab Diagnostics Use this screen to check the connections of your network components Factory Defaults If you want to restore the Router s factory defaults then use this screen Backup and Restore You can back up and restore the Router s configuration if necessary Reboot Use this screen to remotely reboot the Router from your computer 12 Broadband Router with 2 Phone Ports Status e Router This screen provides status information about the Router e Local Network This provides status information about the local network e Wireless The settings for your wireless network are displayed on this screen e Voice This screen provides status information about the Internet phone lines How to Access the Web based Utility To access the Web based Utility of the Router launch Internet Explorer or Netscape Navigator and enter the Router s default IP address 192 168 15 1 in the Address field Press the Enter key A screen will appear asking you for your User Name and Password Leave the User Name field blank
58. en will vary depending on which DDNS service provider you use DynDNS org User Name Password and Host Name Enter the User Name Password and Host Name of the account you set up with DynDNS org Internet IP Address The Router s current Internet IP Address is displayed here Because it is dynamic it will change Status The status of the DDNS service connection is displayed here When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help TZO com E mail Address Password and Domain Name Enter the Email Address Password and Domain Name of the service you set up with TZO Internet IP Address The Router s current Internet IP Address is displayed here Because it is dynamic this will change Status The status of the DDNS service connection is displayed here When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help ddns allows the hosting of a website FTP server or e mail server with a fixed domain name e g www xyz com and a dynamic IP address Wireless G Broadband Router with 2 Phone Ports 000 Sevier DONS org gt Password Figure 5 7 Setup Tab DDNS DynDNS org Wireless G Broadband Router with 2 Phone Ports Fig
59. er change the Password from its default There are six main tabs Setup Security Access Restrictions Applications amp Gaming Administration and Status Additional tabs will be available after you click one of the main tabs Setup e Basic Setup Enter the Internet connection and network settings on this screen e DDNS Enable the Router s Dynamic Domain Name System DDNS feature on this screen e MAC Address Clone If you need to clone a MAC address onto the Router use this screen Wireless Basic Wireless Settings Enter the basic settings for your wireless network on this screen e Wireless Security Enable and configure the security settings for your wireless network 11 Wireless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network s radius Advanced Wireless Settings For advanced users you can alter data transmission settings on this screen Security Firewall On this screen you can configure a variety of filters to enhance the security of your network VPN To enable or disable IPSec PPTP and or L2TP Passthrough use this screen Access Restrictions Internet Access This screen allows you to permit or block specific kinds of Internet usage and traffic Applications amp Gaming Port Range Forward Set up public services or other specialized Internet applications on your network Port Trigger To set up triggered ranges and forward
60. ess Client MAC List button to display a list of wireless network users by nt me MAC Address Then click the Enable MAC Filter checkbox for any device you want to add to the MAC Address Mae mem Filter List To update the information on this list click the Refresh button When you have finished making GE eee lt lt changes to the Wireless Client MAC List screen click the Update Filter List button to save the changes Click the a AES Close button to return to the MAC Address Filter List screen mco mca When you have finished making changes to the MAC Address Filter List screen click the Save Settings button to De moa save the changes or click the Cancel Changes button to undo your changes eae mo MAC ZE ac SS When you have finished making changes to the Wireless MAC Filter screen click the Save Settings button to al moa save the changes or click the Cancel Changes button to undo your changes For help information click Help wen wen mac ze MAC 38 Wireless Client MAC List Refresh Active PC Client Host Hame IP Address MAC Address Enable MAC Filter 192 168 15 100 WO02BAFA2A34 F 192 168 15 102 OO28ABACFSA F 192 168 15 103 00 02 8A 58 57 32 F 192 168 15 105 0002 6A DE 5866 F Inactive PC Client Host Name IP Address MAC Address Enable MAC Filter Update Fitter List Close Figure 5 17 Wireless Client MAC List 23 The Wireless Tab Advanced Wireless Settings This tab is used to set up the Router s advanced wireless fun
61. g items box highlight Internet Protocol TCP IP Click the Properties button Enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 15 2 to 192 168 15 99 and 192 168 15 151 to 192 168 15 254 Enter the Subnet Mask 255 255 255 0 Enter the Default Gateway 192 168 15 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 onits website to find the information Click the OK button in the Internet Protocol TCP IP Properties window Click the OK button in the Local Area Connection Properties window 47 6 want to test my Internet connection A Check your TCP IP settings For Windows 98 and Millennium Refer to Windows Help for details Make sure Obtain IP address automatically is selected in the settings For Windows 2000 1 2 3 7 Click Start Settings and Control Panel Double click Network and Dial Up Connections Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option In the Components checked are used by this connection box highlight Internet Protocol TCP IP and click the Properties button Make sure that Obtain an IP address automatically and Obtain DNS server add
62. gence or accident In addition due to the continual development of new techniques for intruding upon and attacking networks Linksys does not warrant that the Product will be free of vulnerability to intrusion or attack TO THE EXTENT NOT PROHIBITED BY LAW IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA REVENUE OR PROFIT OR FOR SPECIAL INDIRECT CONSEQUENTIAL INCIDENTAL OR PUNITIVE DAMAGES REGARDLESS OF THE THEORY OF LIABILITY INCLUDING NEGLIGENCE ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT INCLUDING ANY SOFTWARE EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL LINKSYS LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT The foregoing limitations will apply even if any warranty or remedy provided under this Agreement fails of its essential purpose Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to You Please direct all inquiries to Linksys P O Box 18558 Irvine CA 92623 74 Appendix H Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not
63. h the corresponding port Phone 1 or Phone 2 The connection is registered if your Internet phone service account is active This LED is not lit when there is no registered connection It flashes when the phone is being used or an incoming call has been detected Internet Green The Internet LED lights up when the Router is connected to your cable or DSL modem If the LED is flashing the Router is sending or receiving data over the Internet port Proceed to Chapter 4 Connecting the Router g to Know the Router Chapter 4 Connecting the Router Overview This chapter includes two sets of instructions If the Wireless G Broadband Router with 2 Phone Ports will be the only router in your network follow the instructions in Connecting the Router to Your Broadband Modem If you already have a router in your network and want to add the Wireless G Broadband Router with 2 Phone Ports follow the instructions in Connecting One Router to Another Connecting the Router to Your Broadband Modem 1 Make sure that all of your hardware is powered off including the Router PCs and broadband modem 2 Connect your broadband modem s Ethernet cable to the Router s Internet port 3 Plug a standard telephone into the Router s Phonel port a telephone or fax machine to the Phone port Otherwise the Router or the telephone wiring in your IMPORTANT Do not connect the Phone port to a telephone wall jack Make sure you only connect
64. has an IP Address Subnet Mask Gateway and DNS C Seta static IP address on your system refer to Problem 5 need to set a static IP address on a PC D Refer to Problem 14 am a PPPoE user and need to remove the proxy settings or the dial up pop up window can t get my Virtual Private Network VPN to work through the Router Access the Router s web interface by going to http 192 168 15 1 or the IP address of the Router and go to the Security gt VPN tab Make sure you have IPsec passthrough and or PPTP passthrough 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 incompatibility 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 assigns an IP address 192 168 15 X X is anumber from 1 to 254 and your local LAN IP address is 192 168 15 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
65. he following chapters Chapter 4 Connecting the Router This chapter instructs you on how to connect the Router to your cable or DSL modem and PCs After you create your network then you will connect the telephones or fax machines to AT amp T CallVantages Service via the Router Chapter 5 Configuring the Router This chapter explains how to configure the Router using your web browser and the Router s Web based Utility You will configure the Router using the settings provided by your ISP Chapter 6 Signing up for AT amp T CallVantages Service When you are ready to sign up for or activate your AT amp T CallVantage Service account refer to the instructions in this chapter When you re finished with the basic steps then you are ready to connect to the Internet You also have other chapter available for reference Chapter 1 Introduction This chapter describes the Router s applications and this User Guide Chapter 2 Planning Your Wireless Network This chapter describes the basics of wireless networking Appendix A Troubleshooting This appendix describes some possible problems and solutions as well as frequently asked questions regarding installation and use of the Router Appendix B Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks Appendix C Windows Help This appendix describes how you can use Windows Help for instructions about networking such as in
66. he policy will be in effect or select Everyday Then enter a range of hours and minutes during which IP Range 01 192 168 15 7 5 IP Range 02 192 168 15 7 7 the policy will be in effect or select 24 Hours SaveSetings CancelChanges Ciose 7 Inthe Blocked Services section you can filter access to various services accessed over the Internet such as FTP or telnet Select the service from the drop down menu listing your choice of services Then click the gt gt Figure 5 23 List of PCs button to add the service to the Blocked services list You can block up to two services per policy If you want to remove a service from the Blocked services list then select it and click the lt lt button If the service you want is not available then you can add a service Enter the service s name in the Service Name field Select its protocol from the Protocol drop down menu and enter its range in the Port Range fields Then click the Add button If you want to edit a service s settings then select the service in the drop down menu on the left Change its name protocol setting or port range Then click the Modify button To delete a service select it from the list on the left Then click the Delete button 8 If you want to block websites with specific URL addresses enter each URL in a separate field next to Website Blocking by URL Address 9 If you want to block websites using specific keywords enter each keyword i
67. hernet 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 5 Configuring the Router for details Make sure you are using the right Internet 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 Basic Setup section of Chapter 5 Configuring the Router for details on Internet Connection Type settings Make sure you use the right cable Check to see if the Internet LED is solidly lit Make sure the cable connecting from your cable or DSL modem is connected to the Router s Internet port Verify that the Status page of the Router s Web based Utility shows a valid IP address from your ISP Turn off the computer Router and cable DSL modem Wait 30 seconds and then turn on the Router cable DSL modem and computer Check the Status tab of the Router s Web based Utility to see if you get an IP address 49 8 9 am not able to access the Router s Web based Utility Setup page A Refer to Problem 6 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
68. igure number and description like this Figure 0 1 Sample Figure Description Figure numbers and descriptions can also be found in the List of Figures section WRT54GP2A AT UG 40907A J L Table of Contents Chapter 1 Introduction Welcome What s in this Guide Chapter 2 Planning Your Wireless Network Network Topology Ad Hoc versus Infrastructure Mode Network Layout Chapter 3 Getting to Know the Router The Back Panel The Front Panel Chapter 4 Connecting the Router Overview Connecting the Router to Your Broadband Modem Connecting One Router to Another Chapter 5 Configuring the Router Overview How to Access the Web based Utility The Setup Tab Basic Setup The Setup Tab DDNS The Setup Tab MAC Address Clone The Wireless Tab Basic Wireless Settings The Wireless Tab Wireless Security The Wireless Tab Wireless MAC Filter The Wireless Tab Advanced Wireless Settings The Security Tab Firewall The Security Tab VPN The Access Restrictions Tab Internet Access The Applications amp Gaming Tab Port Range Forward The Applications amp Gaming Tab Port Trigger The Applications amp Gaming Tab UPnP Forward The Applications amp Gaming Tab DMZ The Administration Tab Management m me ooo D Im DUB B ANE HA NH PH WO OO W WW PF N The Administration Tab Log The Administration Tab Diagnostics The Administration Tab Factory Defaults The Administration Tab Backup and Restore The Admini
69. ine game or application you want to use Follow these steps to set up online game hosting or use a certain Internet application A B C Access the Router s Web based Utility by going to http 192 168 15 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forward tab Enter any name you want to use for the Application Enter the port range of the service you are using For example if you have a web server you would enter the range 80 to 80 Select the protocol you will be using TCP or UDP or select Both 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 15 100 you would enter 100 in the field provided 51 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 examples below Application Start and End Protocol IP Address Enable UT 7771 to 27900 Both 192 168 15 100 X Halflife 27015 to 27015 Both 192 168 15 105 X PC Anywhere 5631 to 5631 UDP 192 168 15 102 X VPN IPSEC 500 to 500 UDP 192 168 15 100 X When you have completed the configuration click the Save Settings button 12 1 can t get the Internet game server or application to work If you are having difficulties getting any Internet g
70. less Wireless Client MAC List Retresh Active PC Client Host Name IP Address MAC Address Enable MAC Filter 192 168 15 100 00028AFA2A 34 F 192 168 15 102 C0 028A BA CF SA F 192 168 15 108 00 028A58 57 32 F 192 168 15 105 00 02 8ADE 5866 F Inactive PC Client Host Name IP Address MAC Address Enable MAC Filter Update Fater List Close Figure 5 40 Wireless Client MAC List 42 Broadband Router with 2 Phone Ports The Status Tab Voice The Voice screen displays information about your Internet phone line s Auto Config Status Auto Config Status Each time the Router boots up it automatically checks to see if it has the latest configuration for Internet phone service If necessary the Router will automatically update its configuration You can make Internet phone calls only if the Router has the most recent configuration Userl Status Registration Status This indicates whether or not this phone line is registered with AT amp T CallVantage Service If the phone line is not registered and you want Internet phone service then refer to Chapter 6 Signing up for AT amp T CallVantages Service If the registration status indicates that the registration has failed then refer to Appendix A Troubleshooting Call1 Status The status of the active phone call is shown here Call2 Status If you are using call waiting the status of the incoming phone call is shown here User2 Status Registration Status This indicates whe
71. n a separate field next to Website Blocking by Keyword 10 Click the Save Settings button to save the policy s settings To cancel the policy s settings click the Cancel Changes button 11 Repeat steps 1 10 to create more policies When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help 28 Broadband Router with 2 Phone Ports The Applications amp Gaming Tab Port Range Forward When you click the Applications amp Gaming tab you will see the Port Range Forward screen Port range forwarding sets up public services on your network such as web servers ftp servers e mail servers or other specialized Internet applications Specialized Internet applications are any applications that use Internet access to perform functions such as videoconferencing or online gaming Some Internet applications may not require any forwarding When users send this type of request to your network via the Internet the Router will forward those requests to the appropriate PC Before using forwarding you should assign a static IP address to the designated PC If you need to forward all ports to one PC click the DMZ tab Port Range Forward Port Range To add a server using Port Range Forwarding complete the following fields Application Enter the name of the application Start and End Enter the number or r
72. nable UPnP click the Enable radio button When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help 35 Broadband Router with 2 Phone Ports The Administration Tab Log The Log screen provides you with a log of all incoming and outgoing URLs or IP addresses for your Internet connection Log Log To keep activity logs select the Enable radio button With logging enabled you can choose to view temporary logs or keep a permanent record using the Logviewer software Click the Disable button to disable this function Log Viewer IP Address For a permanent record of these logs Logviewer software must be used This software is downloadable from the Linksys website www linksys com The Logviewer saves all incoming and outgoing activity in a permanent file on your PC s hard drive In the Log Viewer IP Address field enter the fixed IP address of the PC running the Logviewer software The Router will now send updated logs to that PC Incoming Log Click the Incoming Log button to view a temporary log of the Source IP addresses and Destination Port Numbers for all the incoming Internet traffic Click the Refresh button to update the log Outgoing Log Click the Outgoing Log button to view a temporary log of all the URLs and IP addresses of Internet sites that users on your network have accessed The LAN IP a
73. ng products require Microsoft Windows Windows is the most used operating system in the world and comes with many features that help make networking easier These features can be accessed through Windows Help and are described in this appendix TCP IP Before a computer can communicate with the Router TCP IP must be enabled TCP IP is a set of instructions or protocol all PCs follow to communicate over a wired or wireless network Your PCs will not be able to utilize networking without having TCP IP enabled Windows Help provides complete instructions on enabling TCP IP Shared Resources If you wish to share printers folders or files over your network Windows Help provides complete instructions on utilizing shared resources Network Neighborhood My Network Places Other PCs on your network will appear under Network Neighborhood or My Network Places depending upon the version of Windows you re running Windows Help provides complete instructions on adding PCs to your network 62 Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your computer s Ethernet adapter so you can use the MAC filtering and or MAC address cloning feature of the Router You can also find the IP address of your computer s Ethernet adapter This IP address is used for the Router s filtering forwarding and or DMZ features Follow the steps in this appendix to find the adapter s
74. nnecting the Router Connecting One Router to Another To connect the Wireless G Broadband Router with 2 Phone Ports to another router follow these instructions 1 2 Make sure that all of your hardware is powered off including both routers PCs and broadband modem Disconnect your existing router from the broadband modem PCs and other network devices Connect your broadband modem s Ethernet cable to the Internet port on the back of the Wireless G Broadband Router with 2 Phone Ports Plug a standard telephone into the Router s Phonel port a telephone or fax machine to the Phone port Otherwise the Router or the telephone wiring in your home or office may be damaged IMPORTANT Do not connect the Phone port to a telephone wall jack Make sure you only connect NOTE Make sure your telephone is set to its tone setting not pulse 5 Connect one end of an Ethernet network cable to one of the numbered ports on the back of the Router Connect the other end to the Internet port on the back of the other router Repeat this step to connect PCs or other network devices to the Router Power on the cable or DSL modem Connect the included power adapter to the Router s Power port and then plug the power adapter into an electrical outlet The Power LED on the front panel will light up as soon as the Router powers on Power on the other router Power on your PC s Proceed to Chapter 5 Configuring the Router Fig
75. noise Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the radio can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers 60 What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a shared key algorithm as described in the IEEE 802 11 standard What is WPA WPA is Wi Fi Protected Access a wireless security protocol that can be used in conjunction with a RADIUS server What is a MAC Address The Media Access Control MAC address is a unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level For all practical purposes this number is usually permanent Unlike IP addresses which can change every time a computer logs onto the network the MAC address of a device stays the same making it a valuable identifier for the network How do I reset the Router Press the Reset button on the back panel for about five seconds This will reset the Router to its default settings How do I re
76. nternet Explorer 5 0 or Netscape Navigator 5 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 your browser is set to connect directly and that any dial up is disabled Make sure that your browser is set to connect directly and that any dial up is disabled For Internet Explorer click Tools Internet Options and then the Connection tab Make sure that Internet Explorer is set to Never dial a connection For Netscape Navigator click Edit Preferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet 57 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 If DMZ Hosting is used does the exposed user share the public IP with the Router No Does the Router pass PPTP packets or actively route PPTP sessions The Router allows PPTP packets to pass through Is the Router cross platform compatible Any
77. ocedure to follow Note Combinations of power levels and antennas resulting in a radiated power level of above 100 mW equivalent isotropic radiated power EIRP are considered as not compliant with the above mentioned directive and are not 75 allowed for use within the European community and countries that have adopted the European R amp TTE directive 1999 5 EC For more details on legal combinations of power levels and antennas contact Linksys Corporate Compliance Linksys vakuuttaa taten etta dieses produkt tyyppinen laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sita koskevien n iden direktiivien muiden ehtojen mukainen Linksys d clare que le produit est conforme aux conditions essentielles et aux dispositions relatives la directive 1999 5 EC Belgique Dans le cas d une utilisation priv e l ext rieur d un b timent au dessus d un espace public aucun enregistrement n est n cessaire pour une distance de moins de 300m Pour une distance sup rieure 300m un enregistrement aupr s de l IBPT est requise Pour une utilisation publique l ext rieur de b timents une licence de l IBPT est requise Pour les enregistrements et licences veuillez contacter l IBPT France 2 4 GHz Bande les canaux 10 11 12 13 2457 2462 2467 et 2472 MHz respectivement sont compl tement libres d utilisation en France en utilisation int rieur Pour ce qui est des autres canaux ils peuvent tre soumis autorisation
78. ocol The communications protocol used to connect to servers on the World Wide Web Its primary function is to establish a connection with a web server and transmit HTML pages to the client web browser 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 pter 5 Configurin C plicatio Division of Once Systems wc Wireless G Broa Applications amp Gaming Appiication TCP UDP impon Address Enable re n amp WEG by r Teret n e 6 71 KE r am 3 e e ES ft r me s c 6 W BCE r mP C e i D r some n ech C r nte e ch ft r POS no e c mo cm E wap 119 e c fis i r se s c e fi FR r CE e Ej EI B EU ET e e EE r ER ET KE ceo ES COE B EE e Ej Ei L Figure 5 26 Applications amp Gaming Tab UPnP Forward 31 NNTP Network News Transfer Protocol The protocol used to connect to Usenet groups on the Internet Usenet newsreaders support the NNTP protocol 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 et
79. on 17 1 can t access my email 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 1500 For most DSL users it is strongly recommended to use MTU 1492 If you are having some difficulties perform the following steps Open the web browser and enter http 192 168 15 1 or the IP address of the Router Enter the password if asked The default password is admin On the Basic Setup tab look for the MTU option and select Manual In the Size field enter 1492 Click the Save Settings button to continue gow 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 18 1 need to use port triggering Port triggering looks at the outgoing port services used and will trigger the Router to open a specific port depending on which port an Internet application uses Follow these steps A To connect to the Router go to the web browser and enter http 192 168 15 1 or the IP address of the Router Enter the password if asked The default password is admin Click the Applications amp Gaming gt Port Trigger tab Enter any name you want to use for the Application Name Enter the Start and End Ports of the Triggered Port Range Check with your Internet application provider for more information on which o
80. on department for obtaining a Return Authorization Number at Details on Warranty and RMA issues can be found in the Warranty Information section in this Guide 24 hour 1 866 596 8464 toll free from US and Canada https www callvantage att com http www linksys com or ftp linksys com 800 546 5797 LINKSYS 949 823 3002 800 326 7114 Support linksys com 949 823 3000 17
81. on may be more convenient it allows anyone to log into your wireless network This includes hackers So don t broadcast the SSID Wireless networking products come with a default SSID set by the factory The Linksys default SSID is linksys Hackers know these defaults and can check these against your network Change your SSID to something unique and not something related to your company or the networking products you use Change your SSID regularly so that any hackers who have gained access to your wireless network will have to start from the beginning in trying to break in MAC Addresses Enable MAC Address filtering MAC Address filtering will allow you to provide access to only those wireless nodes with certain MAC Addresses This makes it harder for a hacker to access your network with a random MAC Address WEP Encryption Wired Equivalent Privacy WEP is often looked upon as a cure all for wireless security concerns This is overstating WEP s ability Again this can only provide enough security to make a hacker s job more difficult There are several ways that WEP can be maximized 1 Use the highest level of encryption possible 2 Use Shared Key authentication 3 Change your WEP key regularly WPA Wi Fi Protected Access WPA is the newest and best available standard in Wi Fi security Two modes are available Pre Shared Key and RADIUS Pre Shared Key gives you one encryption methods TKIP Temporal Key Integrity
82. one local user to be exposed to the Internet for use of a special purpose service such as Applications Internet gaming and videoconferencing DMZ hosting forwards all the ports at the same time to one PC Port Re Range Forwarding is more secure because it only opens the ports you want to have opened while DMZ hosting on opens all the ports of one computer exposing the computer to the Internet Cr ia OMT Host P Address 19246845 Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function Figure 5 27 Applications amp Gaming Tab DMZ DMZ DMZ To use this feature select Enable To disable DMZ hosting select Disable DMZ Host IP Address To expose one PC enter the computer s IP address To get the IP address of a computer refer to Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter Deactivate DMZ by entering 0 in the field When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help Router 33 1d Router with 2 Phone Ports The Administration Tab Management When you click the Administration tab you will see the Management screen This screen allows you to change the Router s access settings as well as configur
83. ordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router First enter the RADIUS server s IP Address and port number along with the key shared between the Router and the server Then to indicate which WEP key to use select a Default Transmit Key number Select the appropriate level of WEP encryption 64 bits 10 hex digits or 128 bits 26 hex digits If you want to use a Passphrase then enter it in the Passphrase field and click the Generate button If you want to manually enter the WEP keys then enter them in the Key 1 4 fields When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help WEP WEP is a basic encryption method which is not as secure as WPA To indicate which WEP key to use select a Default Transmit Key number Select the appropriate level of WEP encryption 64 bits 10 hex digits or 128 bits 26 hex digits If you want to use a Passphrase then enter it in the Passphrase field and click the Generate button If you want to manually enter the WEP keys then enter them in the Key 1 4 fields When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help Chapter 5 Configuring the Router The Wireless Tab Wireless Securi
84. pe selected on the Setup screen Login Status For these dial up style connections PPPoE and PPTP the status of the connection is displayed and there is a Connect button to click if there is no connection and you want to establish an Internet connection IP Address The Router s Internet IP Address is displayed here Subnet Mask and Default Gateway The Router s Subnet Mask and Default Gateway address are shown here DNS 1 2 Shown here are the DNS Domain Name System IP addresses currently used by the Router DHCP Release For a DHCP connection click the DHCP Release button to release the current IP address of the device connected to the Router s Internet port DHCP Renew For a DHCP connection click the DHCP Renew button to replace the current IP address of the device connected to the Router s Internet port with a new IP address Click the Refresh button to update the on screen information For help information click Help the Router 40 Broadband Router with 2 Phone Ports The Status Tab Local Network The Local Network screen displays information about the local network Local Network MAC Address The MAC Address of the Router s LAN local area network interface is displayed here IP Address The Router s local IP Address is shown here Subnet Mask The Router s Subnet Mask is shown here DHCP Server The status of the DHCP server is displayed here Start IP Address This is the starting IP address of the rang
85. pter 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 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 15 2 to 192 168 15 99 and 192 168 15 151 to 192 168 15 254 Make sure that each IP address is unique for each PC or network device Click the Gateway tab and in the New Gateway prompt enter 192 168 15 1 which is the default IP address of the Router Click the Add button to accept the entry Click the DNS tab and make sure the DNS Enabled option is selected Enter the Host and Domain names e g J ohn for Host and home for Domain Enter the DNS entry provided by your ISP If your ISP has not provided the DNS IP address contact your ISP to get that information or go to its website for the information Click the OK button in the TCP IP properties window and click Close or the OK button for the Network window Restart the computer when asked 46 For Windows 2000 A Click Start Settings and Control Panel Double click Network and Dial Up Connections B Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option C In the Components checked are
86. que address that a manufacturer assigns to each networking device 19 Dr L Ihana Da he LA am 9 Dhano ark roadband Router with 2 Phone Ports The Wireless Tab Basic Wireless Settings The basic settings for wireless networking are set on this screen Wireless Network Mode From this drop down menu you can select the wireless standards running on your network If you have both 802 11g and 802 11b devices in your network keep the default setting Mixed If you have only 802 11g devices select G Only If you have only 802 11b devices select B Only If you do not have any 802 11g and 802 11b devices in your network select Disable Wireless Network Name SSID The SSID is the network name shared among all points in a wireless network The SSID must be identical for all devices 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 wireless network For added security you should change the default SSID linksys to a unique name Wireless Channel Select the appropriate channel from the list provided to correspond with your network settings All devices in your wireless network must be broadcast on the same channel in order to function correctly Wireless SSID Broadcast When wireless clients survey the local area for wireless networks to associate with they will detect the SSID broadcast by the Router To broadca
87. r Internet connection has been terminated due to inactivity 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 If you want your Internet connection to remain on at all times enter 0 in the Max Idle Time field Otherwise enter the number of minutes you want to have elapsed before your Internet access disconnects Keep Alive and Redial Period This option keeps your Internet access connected indefinitely even when it sits idle If you select this option the Router will periodically check your Internet connection If the connection is down then the Router will automatically re establish the connection To use this option click the radio button next to Keep Alive The default Redial Period is 30 seconds When you are finished click the Save Settings button Then click the Status tab and click the Connect button to start the connection Optional Settings Some of these settings may be required by your ISP Verify with your ISP before making any changes Router Name Enter a name for this Router Host Name and Domain Name These fields allow you to supply a host and domain name for the Router Some ISPs require these names as identification You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name In most cases leaving these field
88. reless interface is displayed here Status This indicates the status of the Router s wireless network Mode As selected from the Wireless tab this will display the wireless mode Mixed G Only or Disabled used by the network SSID As entered on the Wireless tab this will display the wireless network name or SSID Channel As entered on the Wireless tab this will display the channel on which your wireless network is broadcasting Encryption Function As selected on the Security Tab this will indicate which wireless security method the Router uses Active Client List Click the View button to display a list of wireless network users by MAC Address Then click the Enable MAC Filter checkbox for any device you want to add to the MAC Address Filter List which is accessed through the Wireless tab and then the Wireless MAC Filter screen To update the information on this list click the Refresh button When you have finished making changes to the Wireless Client MAC List screen click the Update Filter List button to save the changes Click the Close button to return to the MAC Address Filter List screen Click the Refresh button to update the information on the Wireless screen For help information click Help the Router LINKSYS A Division of Caco System ine P Wiroless G Broadband Router with 2 Phone Ports we Status Wireless Firmware Version 14187 2084 MAC Address DROCMIESECT Figure 5 39 Status Tab Wire
89. ress automatically are selected Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window Restart the computer if asked Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window Restart the computer if asked 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 1 2 3 Click Start and Control Panel Click the Network and Internet Connections icon and then the Network Connections icon Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option In the This connection uses the following items box highlight Internet Protocol TCP IP and click the Properties button Make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected 48 Open a command prompt e For Windows 98 and Millennium click Start and Run In the Open field type command Press the Enter key or click the OK button e For Windows 2000 and XP click Start and Run In the Open field type cmd Press the Enter key or click the OK button In the command prompt type ping
90. ring the Warranty Period call Linksys Technical Support in order to obtain a Return Authorization Number if applicable BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING If You are requested to return the Product mark the Return Authorization Number clearly on the outside of the package and include a copy of your original proof of purchase RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE You are responsible for shipping defective Products to Linksys Linksys pays for UPS Ground shipping from Linksys back to You only Customers located outside of the United States of America and Canada are responsible for all shipping and handling charges ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THE WARRANTY PERIOD ALL OTHER EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to You This warranty gives You specific legal rights and You may also have other rights which vary by jurisdiction This warranty does not apply if the Product a has been altered except by Linksys b has not been installed operated repaired or maintained in accordance with instructions supplied by Linksys or c has been subjected to abnormal physical or electrical stress misuse negli
91. rt for setup configuration or troubleshooting of any non Windows operating systems Does the Router support ICQ send file Yes with the following fix click ICQ menu gt preference gt connections tab gt and check am behind a firewall or proxy Then set the firewall time out to 80 seconds in the firewall setting The Internet user can then send a file to a user behind the Router 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 forwarding range of 7777 to 27900 If you want to use the UT Server Admin forward another port 8080 usually works well but is used for remote admin You may have to disable this and 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 56 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 is 27005
92. ry default settings Either press the Reset button for approximately five seconds or restore the defaults from the Administration tab If you have an active Internet phone service Factory Defaults of the Router s Web based Utility account and reset the Router then the Router will automatically download its Internet phone Power The Power port is where you will connect the power adapter service settings once it is connected to the Internet again Wireless G Broadband Router with 2 Phone Ports The Front Panel The Router s LEDs which inform you about network activities are located on the front panel Wireless G Broadband Router Ever Pise Ce c e e 2a 3 3 Figure 3 2 Front Panel Power Green The Power LED lights up when the Router is powered on If the LED is flashing the Router is booting up or running a system self test WLAN Green The WLAN LED lights up whenever there is a successful wireless connection If the LED is flashing the Router is actively sending or receiving data over the wireless network Ethernet 1 4 Green The Ethernet LED serves two purposes If the LED is solidly lit the Router is connected to a device through the corresponding port Ethernet 1 2 3 or 4 If the LED is flashing the Router is sending or receiving data over that port Phone 1 2 Green The Phone LED is solidly lit when a telephone or fax machine has a registered connection to AT amp T throug
93. s are among the most widely used Internet applications They include the following 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 website on a local machine they are typically uploaded to the web server using FTP Telnet A terminal emulation protocol commonly used on 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 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 message transfer agent MTA which stores and forwards the mail DNS Domain Name System The way that Internet domain names are located and translated into IP addresses A domain name is a meaningful and easy to remember handle for an Internet address TFTP Trivial File Transfer Protocol A version of the TCP IP FTP protocol that has no directory or password capability Finger A UNIX command widely used on the Internet to find out information about a particular user such as a telephone number whether the user is currently logged on and the last time the user was logged on The person being fingered must have placed his or her profile on the system in order for the information to be available Fingering requires entering the full user domain address HTTP HyperText Transport Prot
94. s blank will work MTU The MTU Maximum Transmission Unit setting specifies the largest packet size permitted for network transmission The default is Auto If you want to manually enter a value select Manual and enter the value PPTP v Internet IP Address fo fo fo 0 Subnet Mask 255 255 255 0 Gateway fo fo fo fo User Name RSS Password OO C Connect on Demand Max Idle Time Min Keep Alive Redial Period 30 Figure 5 6 PPTP packet a unit of data sent over a network 15 desired It is recommended that you leave this value in the 1200 to 1500 range For most DSL users it is recommended to use the value 1492 By default MTU is set at 1500 when disabled Network Setup The Network Setup section allows you to change the Router s local network settings Router IP The values for the Router s Local IP Address and Subnet Mask are shown here In most cases keeping the default values will work Local IP Address The default value is 192 168 15 1 Subnet Mask The default value is 255 255 255 0 Network Address Server Settings DHCP These settings allow you to configure the Router s Dynamic Host Configuration Protocol DHCP server function The Router can be used as a DHCP server for your network A DHCP server automatically assigns an IP address to each computer on your network Unless you already have one it is highly recommended that you leave the Router enabled as a DHCP server DHCP Server DHC
95. s once it is connected to the Internet again NOTE Do not restore the factory defaults unless you are having difficulties with the Router and have ory Defaults A Division of Osce Systems me Administration Figure 5 33 Administration Tab Factory Defaults 38 Broadband Router with 2 Phone Ports The Administration Tab Backup and Restore The Backup and Restore screen allows you to back up and restore the Router s configuration Backup and Restore Please select a file to restore In the field provided enter the name of the configuration file you want to restore or click the Browse button to find this file Backup To create a backup configuration file click the Backup button and follow the on screen instructions Restore After you have selected the appropriate file click the Restore button and follow the on screen instructions For help information click Help The Administration Tab Reboot The Reboot screen allows you to remotely reboot the Router from your computer Reboot Device Reboot Click the Yes radio button if you want to reboot the Router Otherwise keep the default setting No After you have clicked the Yes radio button click the Save Settings button to reboot the Router or click the Cancel Changes button to undo your change For help information click Help Chapter 5 Configuring the Router The Administration Tab Backup and Restore A Divin of Osco Systema irc Admini
96. s wireless equipped computers communicating directly with each other Choosing between these two modes depends on whether or not the wireless network needs to share data or peripherals with a wired network or not If the computers on the wireless network need to be accessible by a wired network or need to share a peripheral such as a printer with the wired network computers the wireless network should be set up in Infrastructure mode The basis of Infrastructure mode centers around an access point or wireless router such as the Wireless G Broadband Router with 2 Phone Ports which serves as the main point of communications in a wireless network The Router transmits data to PCs equipped with wireless network adapters which can roam within a certain radial range of the Router You can arrange the Router and multiple access points to work in succession to extend the roaming range and you can set up your wireless network to communicate with your Ethernet hardware as well If the wireless network is relatively small and needs to share resources only with the other computers on the wireless network then the Ad Hoc mode can be used Ad Hoc mode allows computers equipped with wireless transmitters and receivers to communicate directly with each other eliminating the need for a wireless router or access point The drawback of this mode is that in Ad Hoc mode wireless equipped computers are not able to communicate with computers on a wired network And of
97. should solve the problem Change the Router s IP address through the Basic Setup tab of the Web based Utility If you assigned a static IP address to any computer or network 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 11 need to set up online game hosting or use other Internet applications for details Check the Linksys website at www linksys com for more information 10 1 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 For example port 80 HTTP is used for web port 21 FTP is used for FTP and port 25 SMTP outgoing and port 110 POP3 incoming are used for the mail server You can get more information by viewing the documentation provided with the server you installed 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 50 Access the Router s Web based Utility by going to http 192 168 15 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forward tab Enter any name you want to use for the Application Enter the port range of the service you ar
98. solve issues with signal loss There is no way to know the exact range of your wireless network without testing Every obstacle placed between the Router and a wireless PC will create signal loss Lead glass metal concrete floors water and walls will inhibit the signal and reduce range Start with the Router and your wireless PC in the same room and move it away in small increments to determine the maximum range in your environment You may also try using different channels as this may eliminate interference affecting only one channel If your questions are not addressed here refer to the AT amp T website http www usa att com callvantage faqs index jsp or the Linksys website www linksys com 61 Appendix B Wireless Security Linksys wants to make wireless networking as safe and easy for you as possible The current generation of Linksys products provide several network security features but they require specific action on your part for implementation So keep the following in mind whenever you are setting up or using your wireless network Security Precautions The following is a complete list of security precautions to take at least steps 1 through 5 should be followed 1 2 7 Change the default SSID Disable SSID Broadcast Change the default password for the Administrator account Enable MAC Address Filtering Change the SSID periodically Use the highest encryption algorithm possible Use WPA if it is available
99. st the Router s SSID keep the default setting Enable If you do not want to broadcast the Router s SSID then select Disable When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help LINKSYS A Dision of Caco Spain ne Wireless Wireless Neterort Mode Mood Wireless Netwrort Name SSO linksys Figure 5 10 Wireless Tab Basic Wireless Settings 20 Broadband Router with 2 Phone Ports The Wireless Tab Wireless Security These settings configure the security of your wireless network There are four wireless security mode options supported by the Router WPA Pre Shared Key WPA RADIUS RADIUS and WEP WPA stands for Wi Fi Protected Access which is a security standard stronger than WEP encryption WEP stands for Wired Equivalent Privacy while RADIUS stands for Remote Authentication Dial In User Service These four are briefly discussed here For detailed instructions on configuring wireless security for the Router turn to Appendix B Wireless Security WPA Pre Shared Key WPA offers two encryption methods TKIP and AES with dynamic encryption keys Select the type of algorithm TKIP or AES Enter a WPA Shared Key of 8 63 characters Then enter a Group Key Renewal period which instructs the Router how often it should change the encryption keys When you have finished
100. stalling the TCP IP protocol Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter This appendix instructs you on how to find the MAC address or Ethernet address of your PC s Ethernet network adapter Appendix E Glossary This appendix gives a brief glossary of terms frequently used in networking Appendix F Specifications This appendix provides the technical specifications for the Router Appendix G Warranty Information This appendix supplies the warranty information for the Router Appendix H Regulatory Information This appendix supplies the regulatory information regarding the Router Appendix Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support Chapter 2 Planning Your Wireless Network Network Topology A Wireless Local Area Network WLAN is exactly like a regular Local Area Network LAN except that each computer in the WLAN uses a wireless device to connect to the network Computers in a WLAN share the same frequency channel and SSID which is an identification name shared by the wireless devices belonging to the same wireless network Ad Hoc versus Infrastructure Mode Unlike wired networks wireless networks have two different modes in which they may be set up infrastructure and ad hoc An infrastructure configuration is a WLAN and wired LAN communicating to each other through an access point An ad hoc configuration i
101. stration Backup and Restore Prosze setect fie to restore Warning Restonng configuration may take a few mirages please dont tum off the powes h Figure 5 34 Administration Tab Backup and Restore LINKSYS Division of Caco Systema ine Foamea Version 1 00 4 Wireless G Broadband Router with 2 Phone Ports Administration Device Reboot C Yes G mo KOTE To reboct Pe drvce sainct Yes and cict Save Settings tation Figure 5 35 Administration Tab Reboot 39 Broadband Router with 2 Phone Ports The Status Tab Router A Oman of Osco Systema inc The Router screen displays information about the Router and its current settings Status Router Information Current Firmware Version This shows the version and date of the firmware that is currently installed Previous Firmware Version This shows the version and date of the firmware that was previously installed Current Time The current time and date are displayed here MAC Address The MAC Address of the Router s Internet interface is displayed here Router Name This shows the name you have assigned to the Router Host Name The Host Name for the Router is shown here Domain Name The Domain Name for the Router is displayed here Figure 5 36 Status Tab Router Internet Configuration Type NOTE The on screen information will vary Login Type This indicates the type of Internet connection you are using A depending on the Internet Connection Ty
102. stration Tab Reboot The Status Tab Router The Status Tab Local Network The Status Tab Wireless The Status Tab Voice Chapter 6 Signing up for AT amp T CallVantages Service Overview Instructions Appendix A Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B Wireless Security Security Precautions Security Threats Facing Wireless Networks Appendix C Windows Help Appendix D Finding the MAC Address and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Windows 2000 or XP Instructions For the Router s Web based Utility Appendix E Glossary Appendix F Specifications Appendix G Warranty Information Appendix H Regulatory Information Appendix Contact Information AT amp T Linksys 63 63 63 64 65 72 74 71 77 List of Figures Figure 3 1 Figure 3 2 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 Back Panel Front Panel Connect the Broadband Modem Connect a Telephone Connect a PC Connect the Power Router Connected to Another Router Connect the Broadband Modem Connect a Telephone Connect the Other Router Connect the Power Router s IP Address Router Login Setup Tab Basic Setup Automatic Configuration DHCP Static IP PPPoE PPTP Setup Tab DDNS DynDNS org
103. t executing instructions Bridge A device that connects different networks Broadband An always on fast Internet connection Browser An application program that provides a way to look at and interact with all the information on the World Wide Web Buffer A shared or assigned memory area that is used to support and coordinate different computing and networking activities so one isn t held up by the other Byte A unit of data that is usually eight bits long 65 Cable Modem A device that connects a computer to the cable television network which in turn connects to the Internet CSMA CA Carrier Sense Multiple Access Collision Avoidance A method of data transfer that is used to prevent data collisions CTS Clear To Send A signal sent by a wireless device signifying that it is ready to receive data Daisy Chain A method used to connect devices in a series one after the other Database A collection of data that is organized so that its contents can easily be accessed managed and updated DDNS Dynamic Domain Name System Allows the hosting of a website FTP server or e mail server with a fixed domain name e g www xyz com and a dynamic IP address Default Gateway A device that forwards Internet traffic from your local area network DHCP Dynamic Host Configuration Protocol A networking protocol that allows administrators to assign temporary IP addresses to network computers by leasing an IP ad
104. ter VPN Passthrough IPSec Passthrough IPSec Internet Protocol Security is a suite of protocols used to implement secure exchange of packets at the IP layer To allow IPSec Passthrough click the Enable button To disable IPSec Passthrough click the Disable button PPTP Passthrough PPTP Point to Point Tunneling Protocol Passthrough allows the Point to Point PPP to be tunneled through an IP network To allow PPTP Passthrough click the Enable button To disable PPTP Passthrough click the Disable button L2TP Passthrough Layer 2 Tunneling Protocol Passthrough is the method used to enable Point to Point PPP sessions via the Internet on the Layer 2 level To allow L2TP Passthrough click the Enable button To disable L2TP Passthrough click the Disable button When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help LINKSYS A Dwaan of Onco Systemes ire Security Figure 5 20 Security Tab VPN vpn a security measure to protect data as it leaves one network and goes to another over the Internet ipsec a VPN protocol used to implement secure exchange of packets at the IP layer pptp a VPN protocol that allows the Point to Point Protocol PPP to be tunneled through an IP network This protocol is also used as a type of broadband connection in Europe 26 Broadband Router
105. ther or not this phone line is registered with AT amp T CallVantage Service If the phone line is not registered and you want Internet phone service then refer to Chapter 6 Signing up for AT amp T CallVantages Service If the registration status indicates that the registration has failed then refer to Appendix A Troubleshooting Call1 Status The status of the active phone call is shown here Call2 Status If you are using call waiting the status of the incoming phone call is shown here Click the Refresh button to update the on screen information For help information click Help the Router n sion of Osco Systema tre Status Figure 5 41 ith 2 Phone Pors var Status Tab Voice Status 0P2A 43 Chapter 6 Signing up for AT amp T CallVantages Service Overview After you have installed and configured the Router for your Internet connection you can sign up for Internet phone service or activate your account Follow these instructions to access the AT amp T website Instructions 1 Launch Internet Explorer and enter http www att com linksys in the Address field Then press the Enter key 2 You will see two choices Select the one that applies to you If you already have an Internet phone service account with AT amp T then select I signed up for service and want to activate If you do not have an Internet phone service account with AT amp T then select have my Linksys Router and
106. tivex you run the risk of not having access to Internet sites created using this programming language Click the checkbox to enable Activex filtering Filter Multicast Multicasting allows for multiple transmissions to specific recipients at the same time If multicasting is permitted then the Router will allow IP multicast packets to be forwarded to the appropriate computers Click the checkbox to enable multicast filtering Block WAN Requests Block Anonymous Internet Requests This keeps your network from being pinged or detected and reinforces your network security by hiding your network ports so it is more difficult for intruders to work their way into your network Click the checkbox to block anonymous Internet requests This feature is enabled by default When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help A Division of Osco Stems ne Foma Versions 1 98 4 Wireless G Broadband Router with 2 Phone Ports VRTSEGPIA Security Figure 5 19 Security Tab Firewall spi stateful packet inspection firewall A technology that inspects incoming packets of information before allowing them to enter the network 25 Broadband Router with 2 Phone Ports The Security Tab VPN The VPN screen allows you to allow VPN tunnels using IPSec PPTP or L2TP protocols to pass through the Rou
107. transmitted Topology The physical layout of a network TX Rate Transmission Rate 70 UDP User Datagram Protocol A network protocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent Upgrade To replace existing software or firmware with a newer version Upload To transmit a file over a network URL Uniform Resource Locator The address of a file located on the Internet VPN Virtual Private Network A security measure to protect data as it leaves one network and goes to another over the Internet WAN Wide Area Network The Internet WEP Wired Equivalent Privacy A method of encrypting network data transmitted on a wireless network for greater security WINIPCFG A Windows 98 and Me utility that displays the IP address for a particular networking device WLAN Wireless Local Area Network A group of computers and associated devices that communicate with each other wirelessly WPA Wi Fi Protected Access a wireless security protocol using TKIP Temporal Key Integrity Protocol encryption which can be used in conjunction with a RADIUS server 71 Appendix F Specifications Model Standards Ports Buttons Button Cabling Type LEDs Transmit Power UPnP able cert Security Features WEP Key Bits Voice Protocol Voice Codecs Ring Voltage Ring Frequency WRT54GP2A AT IEEE 802 11b IEEE 802 110 IEEE 802 3 10BaseT IEEE 802 3u 1
108. tructions 45 4 I m trying to access the Router s Web based Utility but do not see the login screen Instead I see a screen saying 404 Forbidden If you are using Windows Explorer perform the following steps until you see the Web based Utility s login screen Netscape Navigator will require similar steps A B C Click File Make sure Work Offline is NOT checked Press CTRL F5 This is a hard refresh which will force Windows Explorer to load new webpages not cached ones Click Tools Click Internet Options Click the Security tab Click the Default level button Make sure the security level is Medium or lower Then click the OK button 5 I need to set a static IP address on a PC The Router by default assigns an IP address range of 192 168 15 100 to 192 168 15 150 using the DHCP server on the Router To set a static IP address you can only use the ranges 192 168 15 2 to 192 168 15 99 and 192 168 15 151 to 192 168 15 254 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 Millennium A B Click Start Setting and Control Panel Double click Network In The following network components are installed box select the TCP IP gt associated with your Ethernet ada
109. ty A Division of Cinco Systema ine Wireless Wireless G Broadband Router with 2 Phone Ports RADIUS E A OO yo2c3ce GA bes 1Ohexdigis v qu Serowe EEEE E Figure 5 13 Wireless Tab Wireless Security A Division of Caco Systems ine Wireless RADIUS ierwih2 Phone Pore varsscp2a 1 e2 3 C8 Abs Ohexdgits gt Figure 5 14 Wireless Tab Wireless Security WPA RADIUS 22 Broadband Router with 2 Phone Ports The Wireless Tab Wireless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your Wireless network s radius A Division of Onco Syatwens ine V roinss MAC Fer tmabte Disabie Wireless MAC Filter To filter wireless users by MAC Address either permitting or blocking access click Enable Sont EURE If you do not wish to filter users by MAC Address select Disable rutin Oa eine Prevent Clicking this button will block wireless access by MAC Address SEER Permit Only Clicking this button will allow wireless access by MAC Address Figure 5 15 Wireless Tab Wireless MAC Filter Edit MAC Address Filter List Clicking this button will open the MAC Address Filter List On this screen you can RE EEEE list users whose wireless access you to permit or block En MAC Aten ia his met cr Mamac For added convenience click the Wirel
110. ure 4 6 Connect the Broadband Modem Figure 4 8 Connect the Other Router Figure 4 9 Connect the Power 10 Chapter 5 Configuring the Router Overview Linksys recommends using the Setup CD ROM for first time installation of the Router If you do not wish to run the Setup Wizard on the Setup CD ROM then you can use the Web based Utility to configure the Router For advanced users you may configure the Router s advanced settings through the Web based Utility http www att com linksys after you have installed and configured the Router Refer to NOTE If you want to sign up for Internet phone service or activate your account visit Chapter 6 Signing up for AT amp T CallVantages Service for more information This chapter will describe each web page on the Utility and each page s key functions The Utility can be accessed via your web browser through use of a computer connected to the Router For a basic network setup most users only have to use the following screens of the Utility Basic Setup On the Basic Setup screen enter the Internet connection settings provided by your ISP If you do not have this information you can call your ISP to request the settings Once you have the setup information for your specific type of Internet connection then you can configure the Router Management Click the Administration tab and then the Management tab The Router s default password is admin To secure the Rout
111. ure 5 8 Setup Tab DDNS TZO com 18 Broadband Router with 2 Phone Ports The Setup Tab MAC Address Clone A MAC address is a 12 digit code assigned to a unique piece of hardware for identification like a social security number Some ISPs will require you to register a MAC address in order to access the Internet If you do not wish to re register the MAC address with your ISP you may assign the MAC address currently registered with your ISP to the Router using the MAC Address Clone feature MAC Clone To use MAC address cloning select Enable Otherwise keep the default Disable User Defined Entry Enter the MAC Address registered with your ISP Then click the Save Settings button Clone Your PC s MAC If you want to clone the MAC address of the PC you are currently using to configure the Router then click the Clone Your PC s MAC button The Router will automatically detect your PC s MAC address so you do NOT have to call your ISP to change the registered MAC address to the Router s MAC address It is recommended that the PC registered with the ISP is used to open the MAC Address Clone screen When you have finished making changes to this screen click the Save Settings button to save the changes or click the Cancel Changes button to undo your changes For help information click Help Ensebio Disable User Detnes Erery UD OF ET ET E7 EF Figure 5 9 Setup Tab MAC Address Clone mac address the uni
112. uter Reset the Router to factory default by pressing the Reset button for 30 seconds and then releasing it If you are still getting prompted for a password when saving settings then perform the following steps 52 A Access the Router s web interface by going to http 192 168 15 1 or the IP address of the Router Enter the default password admin and click the Administration gt Management 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 Save Settings button 14 1 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 Click Start Settings and Control Panel Double click Internet Options Click the Connections tab Click the LAN settings button and remove anything that is checked Click the OK button to go back to the previous screen Click the option Never dial a connection This will remove any dial up pop ups for PPPoE users MOODY For Netscape 4 7 or higher A Start Netscape Navigator and click Edit
113. utgoing port services it is using Enter the Start and End Ports of the Forwarded Port Range Check with your Internet application provider for more information on which incoming port services are required by the Internet application G Check the Enable option for the port services you want to use mO m When you have completed the configuration click the Save Settings button 19 When I enter a URL or IP address get a time out error or am prompted to retry Go through this checklist until your problem is solved e Check if other PCs work If they do ensure that your workstation s IP settings are correct IP Address Subnet Mask Default Gateway and DNS Restart the computer that is having a problem e Ifthe PCs are configured correctly but still not working check the Router Ensure that it is connected and powered on Connect to it and check its settings If you cannot connect to it check the LAN and power connections e If the Router is configured correctly check your Internet connection DSL cable modem etc to see if it is working correctly You can remove the Router to verify a direct connection e Manually configure the TCP IP 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 N
114. utside 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 developed by the military for use in reliable secure mission critical communications systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal thatis in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiver is not tuned to the right frequency a spread spectrum signal looks like background noise There are 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

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