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Cisco Systems BEFSR41 User's Manual

1. 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 For MAC filtering enter the 12 digit MAC address in the field provided without any hyphens For MAC address cloning enter the 12 digit MAC address in the MAC Address fields two digits per field For more details refer to Chapter 5 Configuring the Router LiviKsvYs A Ores ot Once Systems n Setup Filtered MAC Address 1710 b B b amp mac 5 b eo eo b eo amp Apy Undo Figure C 4 MAC Filtering MAC Address Clone MAC Gore Service Diseble v werses o n 2 7 7 07 Figure C 5 MAC Address Clone Appendix D Windows Help Almost all networking 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
2. 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 support for setup configuration or troubleshooting of any non Windows operating systems 49 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 Admi
3. Static DNS 1 o o fo fo Static DNS 2 fo fo fo fo Static DNS 3 o fo fo fo 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 gt User Name Password e Connect on Demand Max Idle Time 5 Min Service Name C Keep Alive Redial Period 30 Sec Figure 5 5 PPPoE pppoe point to point over ethernet a type of broadband connection that provides authentication username and password in addition to data transport 13 RAS Remote Access Service RAS is a service that applies to connections in Singapore only For users in Singapore check with Singtel for information on RAS User Name and Password Enter the User Name and Password supplied by Singtel RAS Plan Select the type of plan you have 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 tim
4. Click the Administration tab and then the Firmware Upgrade tab of the Router s Web based Utility On the Upgrade Firmware screen enter the location of the extracted firmware upgrade file or click the Browse button to find this file Click the Upgrade button and follow the on screen instructions Appendix B Upgrading Firmware Lu A Ones ol Caco Systems in Administration Upgrading Firmware Upgrade Paese sateet a tio to upgrade bone Upgrede EE Upgrade mast HOT be interrupted Figure B 1 Upgrade Firmware 53 Appendix C 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 MAC or IP address in Windows 98 Me 2000 or XP Windows 98 or Me Instructions l 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
5. Ethernet Port Priority QoS does not require support from your ISP because the prioritized ports are LAN ports going out to your network Application Priority Application Priority QoS manages information as it is transmitted and received Depending on the settings of the QoS screen this feature will assign information a high or low priority for the five preset applications and three additional applications that you specify For each application select High or Low for Priority For Specific Port you can add three additional applications by entering their respective port numbers in the Specific Port fields Chapter 5 Configuring the Router TI he Applications amp Gaming Tab QoS Lu A Division ot Osco Systems ine Feman varmen 1 06 8 Etherfast Cable DSL Rowter Applications amp Gaming Jagga ddd dii Figure 5 22 Applications amp Gaming Tab QoS 30 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 HTTP HyperText Transport Protocol 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 Telnet A terminal emulation protocol commonly used on Internet and TCP IP based networ
6. E 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 F Turn off the computer Router and cable DSL modem Wait 30 seconds and then turn on the Router cable DSL modem and computer Check the Status tab of the Router s Web based Utility to see if you get an IP address Lam notable to access the Router s Web based Utility Setup page A Refer to Problem 3 want to test my Internet connection to verify that your computer is properly connected to the Router B Refer to Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter to verify that your computer has an IP Address Subnet Mask Gateway and DNS C Seta static IP address on your system refer to Problem 2 need to set a static IP address on a PC D Refer to Problem 11 need to remove the proxy settings or the dial up pop up window for PPPoE users I 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 1 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 t
7. Management ipei Local Row Figure 5 23 Administration Tab Management 32 Allow users to disable Internet access When enabled this feature allows you to prohibit any and all Internet connections 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 Help information is shown on the right hand side of the screen For additional help click More 33 EtherFast Cable DSL Router with 4 Port Switch 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 Yes radio button With logging enabled you can choose to view temporary logs or keep a permanent record using the Logviewer software Click the No button to disable this function Logviewer 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 Logviewer 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 Int
8. QoS Quality of Service QoS ensures better service to high priority types of network traffic which may involve demanding real time applications such as videoconferencing on IP phones There are three types of QoS available Device Priority Application Priority and Ethernet Port Priority e nabled Disabled To limit outgoing bandwidth for the QoS policies in use select Enable Otherwise select Disable Upstream Bandwidth Select the bandwidth to be used from the drop down menu This setting allows you to limit the outgoing bandwidth for the QoS policies in use so you can control how much bandwidth a particular application is allowed to use Device Priority Enter the name of your network device in the Device name field enter its MAC Address then select its priority from the drop down menu Ethernet Port Priority Ethernet Port Priority QoS allows you to prioritize performance for four of the Router s ports LAN Ports 1 4 For each of these ports select High or Low for Priority For Flow Control if you want the Router to control the transmission of data between network devices select Enable To disable this feature select Disable The Router s other four ports will be automatically assigned low priority Incoming Rate Limit limits the incoming bandwidth To use this feature select 8M 4M 2M 1M 512K 256K or 128K M stands for Mbps while K stands for kbps If you do not want to use this feature keep the default Disable
9. 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 56 Appendix E Glossary Adapter A device that adds network functionality to your PC 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 start 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 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 Av
10. hub router bridge etc 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 C Finding the MAC Address and IP Address for Your Ethernet Adapter Enabled Check the Enabled box to enable the service you have defined UPnP Forwarding will not function if the Enabled 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 Help information is shown on the right hand side of the screen For additional help click More 28 EtherFast Cable DSL Router with 4 Port Switch The Applications amp Gaming
11. 5 25 Incoming Log Table ici xi Refresh Outgoing Log Table ess LAN IP Destination URL IP Service Port Number Figure 5 26 Outgoing Log Table Z System Log Microsoft Internet Explorer E lal x System Log ALL v Gear Refresh System Up Time 0 days 00 00 07 00 00 00 192 168 1 1 System is ready 00 00 00 System is warm start 00 00 00 Firmware Version 2 45 Jul 10 2003 00 00 00 _usrinit NV exposedPC ip 0 zij Figure 5 27 System Log 34 EtherFast Cable DSL Router with 4 Port Switch 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 exhausted all other troubleshooting measures Once the Router is reset you will have to re enter all Note Do not restore the factory defaults unless you are having difficulties with the Router and have A of your configuration settings 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 Help information is shown on the right hand side of the screen Chapter 5 Configuring the Router The Administration Tab Factory Defaults A Cvieion of Onco Systema inc Etherfastb Cable DSL Router Administra
12. Click the Add button to accept the entry 39 E 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 F Click the OK button in the TCP IP properties window and click Close or the OK button for the Network window G Restart the computer when asked 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 Inthe Components checked are used by this connection box highlight Internet Protocol TCP IP and Click the Properties button Select Use the following IP address option D Enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 150 to 192 168 1 254 E Enter the Subnet Mask 255 255 255 0 F Enter the Default Gateway 192 168 1 1 Router s default IP address G Toward the bottom of the window select Use the following DNS server addresses and enter the Preferred DNS server and Alternative DNS server provided by your ISP Contact your ISP or go on it
13. In most cases keeping the default values will work Local IP Address The default value is 192 168 1 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 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 Local DHCP Server DHCP 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 Start 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 1 1 the Start IP Address must be 192 168 1 2 or greater but smaller than 192 168 1 254 The default Start IP Address is 192 168 1 100 Number of Addresses 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 DHCP Address Range The range of dynamic IP addresses is displayed here dynamic ip address a temporary IP TE address assigned by a DHCP server Client Lease Time The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their
14. 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 Help information is shown on the right hand side of the screen For additional help click More A Division ef Caco Systeme inc Etherfast Cable DSL Router MAC Address Clone Figure 5 12 Setup Tab MAC Address Clone mac media access control address the unique address that a manufacturer assigns to each networking device 19 EtherFast Cable DSL Router with 4 Port Switch The Setup Tab Advanced Routing The Advanced Routing screen allows you to configure the Network Address Translation NAT dynamic routing and static routing settings Advanced Routing NAT NAT is a security feature that is enabled by default It enables the Router to translate IP addresses of your local area network to a different IP address for the Internet To disable NAT click the Disable radio button When NAT is disabled the DHCP server feature is also disabled Dynamic Routing This feature enables the Router to automatically adjust to physical changes in the network s layout and exchange routing tables with the other router s The Router determines the network packets route based on the fewest number of hops between the source and the destination Transmit RIP Version To us
15. Tab DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special purpose service such as Internet gaming and videoconferencing DMZ hosting forwards all the ports at the same time to one PC Port Range Forwarding is more secure because it only opens the ports you want to have opened while DMZ hosting opens all the ports of one computer exposing the computer to the Internet 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 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 C Finding the MAC Address and IP Address for Your Ethernet Adapter 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 Help information is shown on the right hand side of the screen Chapter 5 Configuring the Router The Applications amp Gaming Tab DMZ LINKSYS A Division of Cisco Systema inc Applications amp Gaming Dur Disable z O Ha P perkins asena o Figure 5 21 Applications amp Gaming Tab DMZ 29 EtherFast Cable DSL Router with 4 Port Switch The Applications amp Gaming Tab
16. 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 Atthe command prompt enter ipconfig all Then press the Enter key 1 Contguation ao Linksys LNE100TX Fast Ethernel Linksys LNE 100TX Fast Ethernet Ad r Ethemet Adapter Information Adapter Address lPAddess 192168145 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 254 Release Renew Release Al Renew All More Info gt gt Figure C 1 IP Configuration Screen ol Configuration 3 izix Ethemet Adapter Information Linksys LNETOOTX Fast Etheme 7 Adapter Address IP Address 192 168 1 100 Subnet Mask 255 255 255 0 Default Gateway 192 168 1 1 Lok Reese _ Renew elei Ree Moeir o Figure C 2 MAC Address Adapter Address 54 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
17. extreme problems with the Router and have tried all other troubleshooting measures press and hold in the Reset button for 30 seconds This will restore the factory defaults and clear all of the Router s settings such as port forwarding or a new password You can also restore the defaults from the Administration tab Factory Defaults of the Router s Web based Utility This Internet port connects to your cable or DSL modem These four Ethernet ports connect to network devices such as PCs print servers or additional switches The Power port is where you will connect the power adapter A IMPORTANT If you reset the Router to its factory defaults all of your settings including Internet connection and security settings will be deleted and replaced with the factory defaults Do not reset the Router if you want to retain these settings The Front Panel The Router s LEDs which inform you about network activities are located on the front panel Cisco Systems Etherfast Cable DSL ROULET with 4 Port switch 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 running a system self test or upgrading its firmware 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 re
18. 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 during 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
19. image is provided with a figure 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 BEFSR41_V4 UG 40922A J L Table of Contents Chapter 1 Introduction Welcome What s in this Guide Chapter 2 Networking Basics An Introduction to Local Area Networks The Use of IP Addresses Chapter 3 Getting to Know the Router The Back Panel The Front Panel Chapter 4 Connecting the Router Overview Connection Instructions 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 Security Tab Filter The Security Tab VPN The Applications amp Gaming Tab Port Range Forwarding The Applications amp Gaming Tab Port Triggering The Applications amp Gaming Tab UPnP Forwarding The Applications amp Gaming Tab DMZ The Applications amp Gaming Tab QoS The Administration Tab Management The Administration Tab Log The Administration Tab Factory Defaults The Administration Tab Firmware Upgrade The Status Tab Router The Status Tab Local Network O coo ONDA OBB BNR B Appendix A Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B Upgrading Firmware Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Windows 2000 or XP Ins
20. 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 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 12 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 46 13 1 need to upgrade the firmware In order to upgrade the firmware with the latest features you need to go to the Linksys website and download the latest firmware at www linksys com Follow these steps A Go to the Linksys website at http www linksys com and download the late
21. set up a filter using IP addresses enter the range of IP addresses you wish to filter in the Start and End fields Users who have filtered IP addresses will not be able to access the Internet at all If you only want to filter one IP address instead of a range of IP addresses enter the same value into both fields For instance if you wish to filter the PC with the IP address of 192 168 1 5 enter 5 into both fields on one line 192 168 1 5 192 168 1 5 Filter Port Range You can create up to five different Port Range filters To filter users by network port number select the protocol you want to filter TCP UDP or Both from the Protocol drop down menu Enter the port numbers you want to filter in the Start and End fields Users connected to the Router will no longer be able to access any port number listed there Filter MAC Address This feature blocks computers with specific MAC addresses from going out to the Internet For information on obtaining a MAC address go to Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter To set the MAC filter click the Edit MAC Filter Setting button Edit MAC Filter Setting Click the Edit MAC Filter Setting button Select the range of MAC address entries in the drop down box In each mac field enter the MAC address you want to filter Click the Apply button before closing the window To cancel changes click the Undo button Block WAN Requests Use these features to enhance
22. 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 screen 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 More TZO com Email Address TZO Password Key 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 ch
23. 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 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 fields blank will work MTU The MTU Maximum Transmission Unit setting specifies the largest packet size permitted for network transmission The default is Disable If you want to manually enter a value select Enable and enter the value 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 L2TP Server IP Address o o o o User Name Connect on Demand Max Idle Time 5 Min C Keep Alive Redial Period 30 Sec Figure 5 9 L2TP packet a unit of data sent over a network 16 Router IP The values for the Router s Local IP Address and Subnet Mask are shown here
24. your network s security and filter multicasting 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 Select Enabled to block anonymous Internet requests or Disabled to allow anonymous Internet requests LINKSYS A Division of Cinco Systems inc Security tum t m 0 x wm 0 x maa o0 E ma 0 amp mj 0 Edit MAC Finer Seting Block WAN Requests Block Anonymous internet Requests Enabled C Disabled Paer Muticact C Enabled Disabled Fiter Internet NAT Redrecten C Enabled Disabled Piter CENTiport 113 Enabled C Disabled Save Settings Cancel Changes Figure 5 15 Security Tab Firewall Mac Access Control Table Microsoft Inberies PADGEE loj xj Filtered MAC Address 1710 z mac i li lt 4 mac 2 D 3 mac 3 be j mac 4 bo mac 5 i 7 mac 6 p mac 7 ie mac 8 p i mac 9 p o j mac 10 D Apply Undo Figure 5 16 MAC Filter Setting 22 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 Select Enabled to filter multicasting or select Disabled to allow multicasting Fi
25. 29 Administration Tab Firmware Upgrade firmware the programming code that runs a networking device download to receive a file transmitted over a network upgrade to replace existing software or firmware with a newer version 36 EtherFast Cable DSL Router with 4 Port Switch The Status Tab Router The Router screen displays information about the Router and its current settings The on screen information will vary depending on the Internet Connection Type selected on the Setup screen Information Firmware Version This shows the installed version and date of the firmware MAC Address The MAC Address of the Router s Internet interface is displayed here Status Login Type This indicates the type of Internet connection you are using Login Status For these dial up style connections PPPoE RAS PPTP HBS and L2TP 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 Internet 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 displayed here for DHCP and static IP connections Static DNS1 3 Shown here are the DNS Domain Name System IP addresses currently used by the Router MTU The current MTU settings are displayed here DHCP Release Available for a DHCP connection click the DHCP Release button to release the c
26. 92 168 1 101 X SMTP outgoing 25 to 25 Both 192 168 1 102 X POP3 incoming 110 to 110 Both 192 168 1 102 X When you have completed the configuration click the Save Settings button 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 online game or application you want to use Follow these steps to set up online game hosting or use a certain Internet application 44 Access the Router s Web based Utility by going to http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forwarding 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 1 100
27. Internet Protocol TCP IP Properties window Click the OK button in the Local Area Connection Properties window 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 Click Start Settings and Control Panel Double click Network and Dial Up Connections 2 Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option 3 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 address automatically are selected 4 Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window 5 Restart the computer if asked 6 Click the OK button in the Internet Protocol TCP IP Properties window and click the OK button in the Local Area Connection Properties window 7 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 Click Start and Cont
28. LINKSYS A Division of Cisco Systems Inc SS AK A Wc EtherFast Cisco SYSTEMS Model No BEFSR41 j Copyright and Trademarks Specifications are subject to change without notice Linksys and EtherFast are registered trademarks or trademarks of Cisco Systems Inc and or its affiliates in the U S and certain other countries Copyright O 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 EtherFast Cable DSL Router with 4 Port Switch 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 PPP 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
29. 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 negligence 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 64 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 Ru
30. Modem Figure 4 4 Connect the Power Chapter 5 Configuring the Router Overview Now that you have connected the Router following the instructions in Chapter 4 you can use the Web based Utility to configure the Router Advanced users may configure the Router s advanced settings through the Web based Utility 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 Router change the Password from its default There are five main tabs Setup Security Applications amp Gaming Administration and Status Additional tabs will be available after you click one of the main tabs Setup Basic Setup Enter the Internet connection and network settings on this screen DDNS Enable the Router s Dynamic Domain Name System DDNS feature on this screen MAC Address Clone If you need to clone a MAC address
31. OK button 2 need to set a static IP address on a PC The Router by default assigns an IP address range of 192 168 1 100 to 192 168 1 149 using the DHCP server on the Router To set a static IP address you can only use the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 151 to 192 168 1 254 Each PC or network device that uses TCP IP must have a unique address to identify itself in a network If the IP address is not unique to a network Windows will generate an IP conflict error message You can assign a static IP address to a PC by performing the following steps For Windows 98 and Millennium A Click Start Setting and Control Panel Double click Network B In The following network components are installed box select the TCP IP gt associated with your Ethernet adapter If you only have one Ethernet adapter installed you will only see one TCP IP line with no association to an Ethernet adapter Highlight it and click the Properties button C In the TCP IP properties window select the IP address tab and select Specify an IP address Enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 150 to 192 168 1 254 Make sure that each IP address is unique for each PC or network device D Click the Gateway tab and in the New Gateway prompt enter 192 168 1 1 which is the default IP address of the Router
32. ame Password Pr Heart Beat Server o o o o Connect on Demand Max Idle Time s Min C Keep Alive Redial Period 3U Sec Figure 5 8 Heart Beat Signal 15 L2TP Layer 2 Tunneling Protocol L2TP is a service that tunnels Point to Point Protocol PPP across the Internet It is used mostly in European countries Server IP Address Enter the IP address of your ISP s server This is provided by your ISP 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
33. ame Enter the Service Name 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 A applications that are installed on your PCs Static IP IP Address fo fo fo o Subnet Mask 255 f2ss vss o Default Gateway o fo jo Jo
34. ample 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 65 Appendix l Contact Information Need to contact Linksys Visit us online for information on the latest products and updates to your existing products at http www linksys com or ftp linksys com 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 800 546 5797 LINKSYS Or fax your request in to 949 823 3002 If you experience problems with any Linksys product you can call us at 800 326 7114 Don t wish to call You can e mail us at Support linksys com If any Linksys product proves defective during its warranty period you can call the Linksys Return Merchandise Authorization department for obtaining a Return Authorization Number at 949 823 3000 Details on Warranty and RMA issues can be found in the Warranty Information section in this Guide 66
35. anges Help information is shown on the right hand side of the screen For additional help click More 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 INI A Division of Cisco Systems inc Setup A Division of Caco Systems inc Setup DONS himnet P Ad ess 48082 Status DONS server i currently closed Figure 5 11 Setup Tab DDNS TZO com 18 EtherFast Cable DSL Router with 4 Port Switch 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 you have currently registered with your ISP to the Router with the MAC Address Clone feature MAC Clone To use MAC address cloning select Enable Otherwise keep the default Disable MAC Address Enter the MAC Address registered with your ISP Then click the Save Settings button Clone If you want to clone the MAC address of the PC you are currently using to configure the Router then click the Clone 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
36. aunch Internet Explorer or Netscape Navigator and enter the Router s default IP address 192 168 1 1 in the Address field Press the Enter key A screen will appear asking you for your User name and Password Enter admin in the User Name and Password fields 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 Help information is shown on the right hand side of a screen For additional help on a tab click More Address E nio 182169 1 7 Figure 5 1 Router s IP Address Enter Network Password 21 xj qo Please type your user name and password Site 192 168 1 1 Realm Linksys BEFSR41v4 User Name Password re Save this password in your password list o tee Figure 5 2 Router Login 11 EtherFast Cable DSL Router with 4 Port Switch 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 seven connection types Obtain an IP automatically Static IP PPPoE RAS PPTP HBS and L2TP Each Basic Setup screen and available features will differ depending on what kind of connection
37. c Interface Select Local or Internet depending on the location of the static route s final destination Delete Entry If you need to delete a route select its number from the drop down menu and click the Delete Entry button Show Routing Table Click the Show Routing Table button to open a screen displaying how data is routed through your local network For each route the Destination LAN IP address Subnet Mask Default Gateway Hop Count and Interface are displayed Click the Refresh button to update the information 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 Help information is shown on the right hand side of the screen For additional help click More Zl Routing Table Microsoft Internet Explorer Routing Table Entry List Refresh Destination LAN IP Subnet Mask Default Gateway Hop Count Interface 0 0 0 0 0 0 0 0 10 0 0 1 1 WAN 10 0 0 0 255 255 255 0 0 0 0 0 WAN 1 192 168 1 0 255 255 255 0 0 0 0 0 1 LAN Figure 5 14 Routing Table Entry List 21 EtherFast Cable DSL Router with 4 Port Switch The Security Tab Filter When you click the Security tab you will see the Filter screen On this screen set up filters to block specific internal users from accessing the Internet and enhance your network s security Filter IP Address Range You can create up to five different IP Address Range filters To
38. ce 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 RJ 45 Registered J ack 45 An Ethernet connector that holds up to eight wires Router A networking device that connects multiple networks together 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 SOHO Small Office Home Office Market segment of professionals who work at home or in small offices SPI Stateful Packet Inspection Firewall A technolog
39. ceiving data over that port 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 Chapter 4 Connecting the Router Overview Using the Setup Wizard Linksys strongly recommends using the Setup CD ROM for first time installation of the Router To use the Setup CD ROM insert the CD ROM into your computer s CD ROM drive The Setup Wizard should run automatically and the Welcome screen should appear If it does not click the Start button and choose Run In the field that appears enter D setup exe if D is the letter of your CD ROM drive Then follow the on screen instructions Using the Quick Installation or User Guide If you do not wish to run the Setup Wizard then follow the instructions in the Quick Installation or Chapters 4 and 5 of the User Guide to connect and configure the Router To set up your network do the following Connect the Router to your PCs e f necessary configure your PCs to obtain an IP address automatically from the Router For instructions refer to Windows Help By default Windows 98 2000 Millennium and XP computers are set to obtain an IP address automatically so unless you have changed the default setting then you do not need to configure your PCs Using the Router s Web based Utility configure the Route
40. current dynamic IP address Enter the amount of time in minutes that the user will be leased this dynamic IP address After the dynamic IP address has expired the user will be automatically assigned a new dynamic IP address The default is 0 minutes which means one day Static DNS 1 3 The Domain Name System DNS is how the Internet 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 DNS servers 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 Click the Cancel Changes button to undo your changes Help information is shown on the right hand side of the Internet now When you have finished making changes to this screen click the Save Settings button to save the changes or Note To test your settings connect to the screen For additional help click More EtherFast Cable DSL Router with 4 Port Switch 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
41. ding data transmitted 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 58 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 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 IPCONFIG A Windows 2000 and XP utility that displays the IP address for a particular netw
42. direct connection Manually configure the TCP IP with a DNS address provided by your ISP Make sure that your browser is set to connect directly and that any dial up is disabled For Internet Explorer click Tools Internet Options 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 Frequently Asked Questions What is the maximum number of IP addresses that the Router will support The Router will support up to 253 IP addresses Is IPSec Passthrough supported by the Router Yes enable or disable IPSec Passthrough on the Security 2 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
43. displays preset application settings as well as options to customize port services for other applications UPnP Forwarding Application Ten applications are preset For custom applications enter the name of your application in one of the available fields The preset applications 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
44. e dynamic routing for transmission of network data select the protocol you want RIP1 RIP1 Compatible or RIP2 Receive RIP Version To use dynamic routing for reception of network data select the protocol you want RIP1 or RIP2 Static Routing Use this feature to set up a static router between the Router and another network A static route is a pre determined pathway that network information must travel to reach a specific host or network To create a static route alter the following settings Select Entry Select the number of the static route from the drop down menu The Router supports up to 20 static route entries Destination IP Address The Destination LAN IP Address is the address of the remote network or host to which you want to assign a static route Enter the IP address of the host for which you wish to create a static route Subnet Mask The Subnet Mask determines which portion of a Destination IP address is the network portion and which portion is the host portion LINKSYS A Division of Osee Systems me d Etherfast Cable DSL Router Setup Figure 5 13 Setup Tab Advanced Routing 20 Gateway This is the IP address of the gateway device that allows for contact between the Router and the remote network or host Hop Count This determines the maximum number of steps between network nodes that data packets will travel A node is any device on the network such as PCs print servers routers et
45. ernet application uses Follow these steps A moOM 89 m To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router Enter the password if asked The default password is admin Click the Applications amp Gaming gt Port Triggering 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 outgoing 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 18 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 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 If the PCs are configured correctly but still not working check the Router Ensure that it is connected and powered on Connect to it and check its settings If you cannot connect to it check the LAN and power connections 48 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
46. ernet 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 address Destination URL IP and Service Port Number for each site are listed Click the Refresh button to update the log View Log Click the View Log button to view a log of all activities and to access a drop down menu of various logs to view From the drop down menu select the log you wish to view All System Log or Access Log When you select All you will see a log of all activities a combination of the System and Access Logs The System Log displays a list of cold and warm starts web login successes and failures and packet filtering policies while the Access Log shows all data traffic Click the Clear button to clear a log Click the Refresh button to update a 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 Help information is shown on the right hand side of the screen For additional help click More r 5 Configt i The Administration L A Otvision of Osco Systema inc Administration Figure 5 24 Administration Tab Log F Incoming Log Table Microsoft Internet Explore 16 x Refresh Destination Port Number Incoming Log Table Source IP Figure
47. es 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 PPTP Point to Point Tunneling Protocol PPTP is a service that applies to connections in Europe and Israel only 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 your Internet connection has been
48. g an IP address is called the DHCP client DHCP frees you from having to assign IP addresses manually every time a new user is added to your network For DSL users many ISPs may require you to log on with a user name and password to gain access to the Internet This is a dedicated high speed connection type called Point to Point Protocol over Ethernet PPPoE PPPoE is similar to a dial up connection but PPPoE does not dial a phone number when establishing a connection It also will provide the Router with a dynamic IP address to establish a connection to the Internet By default a DHCP server on the LAN side is enabled on the Router If you already have a DHCP server running on your network you MUST disable one of the two DHCP servers If you run more than one DHCP server on your network you will experience network errors such as conflicting IP addresses To disable DHCP on the Router see the Basic Setup section in Chapter 5 Configuring the Router 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 Reset Button Internet 1 4 Power Figure 3 1 Back Panel The Reset button can be used in one of two ways If the Router is having problems connecting to the Internet press the Reset button for just a second with a paper clip or a pencil tip This is similar to pressing the Reset button on your PC to reboot it If you are experiencing
49. hapter available for reference e Chapter 1 Introduction This chapter describes the Router s applications and this User Guide e Chapter 2 Networking Basics This chapter briefly explains how a network functions e 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 Upgrading Firmware This appendix explains how you can upgrade the Router s firmware Appendix C 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 e Appendix D Windows Help This appendix describes how you can use Windows Help for instructions about networking such as installing the TCP IP protocol 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 I Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support Chapter 2 Networking Basics An Introduction to Local Area Netwo
50. he 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 1 X X is a number from 1 to 254 and your local LAN IP address is 192 168 1 X X is the same number used in the VPN IP address the Router will have difficulties routing information to the right location If you change the Router s IP address to 192 168 2 1 that should solve the problem Change the Router s IP address through the 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 8 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 43 7 need to set up a server behind my Router To use a server like a web ftp
51. http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forwarding tab Disable or remove the entries you have entered for forwarding Keep this information in case you want to use it at a later time Click the DMZ tab 45 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 C 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 10 1 forgot my password or the password prompt always appears when saving settings to the Router 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 A Access the Router s web interface by going to http 192 168 1 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 11 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
52. ient listing Click the Refresh button to update the information 4 DHCP Active IP Table Microsoft Internet Explorer Click the Refresh button to update the on screen information Help information is shown on the right hand side of the screen For additional help click More DHCP Active IP Table Refresh DHCP Server IP Address 192 168 1 1 Delete bhm 192 168 1100 00 04 5 82 96 9f Ethernet r y Figure 5 32 DHCP Client Table Chapter 5 Configuring the Router 38 The Status Tab Local Network Appendix A 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 Linksys website at www linksys com Common Problems and Solutions 1 I m trying to access the Router s Web based Utility but do not see the login screen Instead 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 Click File Make sure Work Offline is NOT checked B Press CTRL 4 F5 This is a hard refresh which will force Windows Explorer to load new webpages not cached ones C 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
53. ing tab you will see the Port Range Forwarding 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 Forwarding 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 range 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 C Finding the MAC Address and IP Address for Your Ethernet Adapter Enabled Check the Enabled box to enable the services you have defined Port Range Forwarding will not function if the Enabled button is left unchecked Th
54. 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 Protocol 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 amp Gaming Tab UPnP Forwarding Li A Division of Caco Systema me Applications amp Gaming I 0000058000022 000l uuu s Tod uf ufa fuu 6 5095559 8 9 955 2959 9 Figure 5 20 Applications amp Gaming Tab UPnP Forwarding 27 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
55. is 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 Help information is shown on the right hand side of the screen For additional help click More LINKsys A Division of Cinco Systems te Applications amp Gaming Appeton tnd I hh sh Boh wowesfo r FP v sz wwe r FP Bs ww nr eo w fe Bohs see nr FP we ez wwe r 6 w o Both v 1921681 o r Tf eh Bo s seo r TF FF R8 ees mw or Lr Fr w f Bot wow r lj p sf Boh s ww r Figure 5 18 Applications amp Gaming Tab Port Range Forwarding tcp transmission control protocol a network protocol for transmitting data that requires acknowledgement from the recipient of data sent udp user datagram protocol 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 internet protocol address the address used to identify a computer or device on a network 25 EtherFast Cable DSL Router with 4 Port Switch The Applications amp Gaming Tab Port Triggering The Port Triggering 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 Ro
56. ks 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 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 Application Name You can add three additional applications by entering their names in the Application Name fields Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes 31 DSL Router with 4 Port Switch CtharEac Ett lel das 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 configure the UPnP Universal Plug and Play features Router Access 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 t
57. les 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 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 e 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 INDUSTRY CANADA CANADA This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada EC DECLARATION OF CONFORMITY EUROPE In compliance with the EMC Directive 89 336 EEC Low Voltage Directive 73 23 EEC and Amendment Directive 93 68 EEC this product meets the requirements of the following standards EN55022 Emission EN55024 Immunity 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 ex
58. lter Internet NAT Redirection This feature uses port forwarding to block access to local servers from local networked computers Select Enabled to filter Internet NAT redirection or select Disabled to allow Internet NAT redirection Filter IDENT Port 113 This feature keeps port 113 from being scanned by devices outside of your local network Select Enabled to filter port 113 or select Disabled to allow port 113 to be scanned by devices on the Internet 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 Help information is shown on the right hand side of the screen For additional help click More 23 Ethei The Security Tab VPN The VPN screen allows you to allow VPN tunnels using IPSec PPPoE or PPTP protocols to pass through the Router ast Cable DSL Router with 4 Port Switch 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 Enabled button To disable IPSec Passthrough Click the Disabled button PPPoE Passthrough PPPoE Point to Point over Ethernet Passthrough allows your PC s to use the PPPoE client software provided by your ISP Some ISPs may request that you use this feature on the Router To allow PPPoE Passthrough click the Enabled button To disable PPPoE Passthro
59. n 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 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 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 Ether
60. net 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 Reset your cable or DSL modem by powering the unit off and then on Obtain and flash the latest firmware release that is readily available on the Linksys website www linksys com How can I be notified of new Router firmware upgrades All Linksys firmware upgrades are posted on the Linksys website at www linksys com where they can be downloaded for free The Router s firmware can be upgraded with TFTP programs If the Router s Internet connection is working well there is no need to download a newer firmware version unless that version contains new features that you would like to use Downloading a more current version of Router firmware will not enhance the quality or speed of your Internet connection and may disrupt your current connection stability Will the Router function in a Macintosh environment Yes but the Router s setup pages are accessible only through Internet Explorer 5 0 or Netscape Navigator 5 0 or higher for Macintosh am not able to get the web configuration
61. nistration Tab Log Figure 5 25 Incoming Log Table Figure 5 26 Outgoing Log Table Figure 5 27 System Log Figure 5 28 Administration Tab Factory Defaults Figure 5 29 Administration Tab Firmware Upgrade Figure 5 30 Status Tab Router Figure 5 31 Status Tab Local Network Figure 5 32 DHCP Client Table Figure B 1 Upgrade Firmware Figure C 1 IP Configuration Screen Figure C 2 MAC Address Adapter Address Figure C 3 MAC Address Physical Address Figure C 4 MAC Filtering Figure C 5 MAC Address Clone Chapter 1 Introduction Welcome Thank you for choosing the EtherFast Cable DSL Router with 4 Port Switch This Router will allow your computers to share a high speed Internet connection as well as resources including files and printers How does the Router do all of this By connecting your computers and peripherals to the Router and connecting the Router to your cable or DSL modem then the Router can direct and control communications for your network 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 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 So networks not only are useful in homes and offices but also can be fun PC
62. o 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 Upgrade This feature allows you to upgrade the Router from a remote location via the Internet To enable Remote Upgrade click the Enabled radio button Remote Administration must be activated before you can access the Router from a remote location Remote Administration This feature allows you to manage the Router from a remote location via the Internet To enable Remote Administration click the Enabled radio button Administration Port Enter the port number you will use to remotely access the Router Address port Enter the Router s specific Internet IP address in place of Internet IP Address and NOTE When you are in a remote location and wish to manage the Router enter http lt Internet IP enter the Administration Port number in place of the word port UPnP UPnP UPnP allows Windows XP and Me to automatically configure the Router for various Internet applications such as gaming and videoconferencing To enable UPnP click the Enabled radio button Allow users to make configuration changes When enabled this feature allows you to make manual changes while still using the UPnP feature LINKSYS A Division of Osce Systems inc Administration Fears Version 1 00 18 Etherfast Cable DSL Router
63. o 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 f 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 f 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 3 want to test my Internet connection to verify that you have connectivity B If you need to register the MAC address of your Ethernet adapter with your ISP please see Appendix C 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 42 D Make sure you use the right cable Check to see if the Internet LED is solidly lit
64. oidance A method of data transfer that is used to prevent data collisions 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 57 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 address 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 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 Encryption Enco
65. onto the Router use this screen Advanced Routing On this screen you can alter Network Address Translation NAT dynamic routing and static routing configurations Security Filter On this screen you can configure a variety of filters to enhance the security of your network VPN To enable or disable IPSec PPPoE and or PPTP Passthrough for Virtual Private Network VPN tunnels 10 Applications amp Gaming e Port Range Forwarding Set up public services or other specialized Internet applications on your network Port Triggering To set up triggered ranges and forwarded ranges for Internet applications click this tab UPnP Forwarding Use this screen to alter Universal Plug and Play 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 UPnP settings Log If you want to view or save activity logs click this tab Factory Defaults If you want to restore the Router s factory defaults then use this screen Firmware Upgrade Click this tab if you want to upgrade the Router s firmware Status Router This screen provides status information about the Router Local Network This provides status information about the local network How to Access the Web based Utility To access the Web based Utility of the Router l
66. 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 A Access the Router s Web based Utility by going to http 192 168 1 1 or the IP address of the Router Go to the Applications amp Gaming gt Port Range Forwarding tab B Enter any name you want to use for the Application C 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 D Select the protocol you will be using TCP or UDP or select Both E Enter the IP address of the PC or network device that you want the port server to go to For example if the web server s Ethernet adapter IP address is 192 168 1 100 you would enter 100 in the field provided Check Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address F Check the Enabled option for the port services you want to use Consider the examples below Application Start and End Protocol IP Address Enabled Web server 80 to 80 Both 192 168 1 100 X FTP server 21to21 TCP 1
67. orking 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 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 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 used to connect to Usenet groups on the Internet Node A network junction or connection point typically a computer or work station Packet A unit of data sent over a network 59 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 devi
68. 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 WINIPCFG A Windows 98 and Me utility that displays the IP address for a particular networking device 61 Appendix F Specifications Model Standards Ports Button Cabling Type LEDs UPnP able cert OS Support Network Protocols Dimensions WxHxD Unit Weight Power Certifications Operating Temp Storage Temp BEFSR41 ver 4 IEEE 802 3 10BaseT IEEE 802 3u 100BaseTX One 10 100 RJ 45 Port for Broadband Modem Four 10 100 RJ 45 Switched Ports Reset Button Ethernet Category 5 Power Ethernet Internet Yes Windows 98SE Me 2000 XP TCP IP NetBEUI IPX SPX 7 32 x 1 89 x 6 06 186 mm x 48 mm x 154 mm 11 4 oz 0 32 kg External 9V AC 1000mA FCC CE 09C to 402C 329F to 1042F 202C to 702C 49F to 1582F 62 Operating Humidity Storage Humidity 10 to 85 Non Condensing 596 to 9096 Non Condensing 63 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
69. r 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 51 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 Forwarding tab set port forwarding to 113 for the PC on which you are using mIRC If your questions are not addressed here refer to the Linksys website www linksys com 52 EtherFast Cable DSL Router with 4 Port Switch Appendix B Upgrading Firmware You can use the Router s Web based Utility to upgrade the firmware however if you do so you will lose the settings you have configured on the Router Before you upgrade its firmware write down all of your custom settings After you upgrade its firmware you will have to re enter all of your configuration settings To upgrade the Router s firmware follow these instructions 1 2 Download the Router s firmware upgrade file from the Linksys website www linksys com Extract the file on your computer
70. r with the setting s provided by your Internet Service Provider ISP The installation technician from your ISP should have left the setup information with you after installing your broadband connection If not you can contact your ISP to request the information Once you have the setup information for your specific type of Internet connection then you can begin installation and setup of the Router Notebook with Ethernet Adapter Cable or DSL Modem Router PC with Ethernet Adapter Figure 4 1 Example of a Typical Network Connection Instructions 1 Make sure that all network devices are powered off including the Router PCs switches cable or DSL modem and peripherals 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 Connect your cable or DSL modem s Ethernet cable to the Router s Internet port 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 Router s front panel will light up as soon as the power adapter is connected properly Power on your PC s Proceed to Chapter 5 Configuring the Router Figure 4 2 Connect a PC Figure 4 3 Connect the Cable DSL
71. rks Simply put a router is a network device that connects two networks together The Router connects your local area network LAN or the group of PCs in your home or office to the Internet The Router processes and regulates the data that travels between these two networks The Router s Network Address Translation NAT technology protects your network of PCs so users on the Internet cannot see your PCs This is how your LAN remains private The Router protects your network by inspecting the first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet ports The Router inspects Internet port services like the web server ftp server or other Internet applications and if allowed it will forward the packet to the appropriate PC on the LAN side The Use of IP Addresses IP stands for Internet Protocol Every device in an IP based network including PCS print servers and routers requires an IP address to identify its location or address on the network This applies to both the Internet and LAN connections There are two ways of assigning IP addresses to your network devices A static IP address is a fixed IP address that you assign manually to a PC or other device on the network Since a static IP address remains valid until you disable it static IP addressing ensures that the device assigned it will always have that same IP address until you change it Static IP addresses are commonly u
72. rol Panel 2 Click the Network and Internet Connections icon and then the Network Connections icon 41 3 Right click the Local Area Connection that is associated with the Ethernet adapter you are using and select the Properties option 4 Inthe 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 Open a command prompt For Windows 98 and Millennium click Start and Run In the Open field type command Press the Enter key or click the OK button 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 192 168 1 1 and press the Enter key e f you get a reply the computer is communicating with the Router e f 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 f you get a reply the computer is connected to the Router f you do NOT get a reply try the ping command from a different computer t
73. s 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 Restartthe 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 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 Click the Properties button 40 ID C cn 1 Enter a unique IP address that is not used by any other computer on the network connected to the Router You can only use an IP address in the ranges 192 168 1 2 to 192 168 1 99 and 192 168 1 150 to 192 168 1 254 Enter the Subnet Mask 255 255 255 0 Enter the Default Gateway 192 168 1 1 Router s default IP address Toward the bottom of the window select Use the following DNS server addresses and enter the Preferred DNS server and Alternative DNS server provided by your ISP Contact your ISP or go on its website to find the information Click the OK button in the
74. s 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 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 Router 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 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 the following chapters e Chapter 4 Connecting the Router This chapter instructs you on how to connect the Router to your cable or DSL modem PCs and peripherals such as a printer e 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 When you re finished with the basic steps then you are ready to connect to the Internet You also have other c
75. 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 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 C 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 platform that supports Ethernet and TCP IP is compatible with the Router Does the Router replace a modem Is there a cable o
76. sed with network devices such as server PCs or print servers If you use the Router to share your cable or DSL Internet connection contact your ISP to find out if they have assigned a static IP address to your account If so you will need that static IP address when configuring the Router You can get the information from your ISP A dynamic IP address is automatically assigned to a device on the network These IP addresses are called dynamic because they are only temporarily assigned to the PC or other device After a certain time period they expire and may change If a PC logs onto the network or the Internet and its dynamic IP address has expired the DHCP server will assign it a new dynamic IP address nat network address translation NAT technology translates IP addresses of a local area network to a different IP address for the Internet static ip address a fixed address assigned to a computer or device that is connected to a network dynamic ip address a temporary IP address assigned by a DHCP server dhcp dynamic host configuration protocol a protocol that lets one device on a local network known as a DHCP server assign temporary IP addresses to the other network devices typically computers A DHCP server can either be a designated PC on the network or another network device such as the Router By default the Router s Internet Connection Type is Obtain an IP automatically DHCP The PC or network device obtainin
77. st firmware B To upgrade the firmware follow the steps in the Upgrade section found in Chapter 5 Configuring the Router or Appendix B Upgrading Firmware 14 The firmware upgrade failed The upgrade could have failed for a number of reasons Follow these steps to upgrade the firmware A If the firmware upgrade failed use the TFTP program it was downloaded along with the firmware Open the pdf that was downloaded along with the firmware and TFTP program and follow the pdf s instructions Set a static IP address on the PC refer to Problem 2 need to set a static IP address on a PC Use the following IP address settings for the computer you are using IP Address 192 168 1 50 Subnet Mask 255 255 255 0 Gateway 192 168 1 1 Perform the upgrade using the TFTP program or the Router s Web based Utility through its Administration gt Firmware Upgrade tab 15 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 7 mMOUOW To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router Enter the password if asked The default pass
78. terminated due to inactivity Connect on Demand enables the Router to automatically re establish your RAS for SingTel M User Name a Password a A RAS Plan 512k Ethernet Connect on Demand Max Idle Time 5 Min C Keep Alive Redial Period 30 Sec Figure 5 6 RAS PPTP IP Address o i fo fo o Defaut Gateway o fo fo o User Name alice pe Connect on Demand Max Idle Time 5 Min Subnet Mask Keep Alive Redial Period 3U Sec Figure 5 7 PPTP 14 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 Heart Beat Signal Heart Beat Signal is a service used in Australia only If
79. tion RestoreectoryCwtwuts Cyne no Figure 5 28 Administration Tab Factory Defaults 35 EtherFast Cable DSL Router with 4 Port Switch The Administration Tab Firmware Upgrade The Firmware Upgrade screen allows you to upgrade the Router s firmware Do not upgrade the firmware unless you are experiencing problems with the Router or the new firmware has a feature you want to use Before upgrading the firmware download the Router s firmware upgrade file from the Linksys website www linksys com Then extract the file Upgrade Firmware Please select a file to upgrade In the field provided enter the name of the extracted firmware upgrade file or Click the Browse button to find this file Upgrade After you have selected the appropriate file click the Upgrade button and follow the on screen instructions Note The Router may lose all of the settings you have customized Before you upgrade its firmware A write down all of your custom settings After you upgrade its firmware you will have to re enter all of your configuration settings Help information is shown on the right hand side of the screen For additional help click More figuring the Router Tab Firmware Upgrade TI he Administrati A Division ot Caco Systems ne Etherfast Cable DSL Router Administration f irmware Upc Firmware Upgrade ease teet n ote to axo Bione Woede Upgrade must NOT be interrupted Figure 5
80. tructions For the Router s Web based Utility Appendix D Windows Help Appendix E Glossary Appendix F Specifications Appendix G Warranty Information Appendix H Regulatory Information Appendix I Contact Information 39 39 53 54 54 54 55 56 57 62 65 66 List of Figures Figure 3 1 Figure 3 2 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 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 Figure 5 10 Figure 5 11 Figure 5 12 Figure 5 13 Figure 5 14 Figure 5 15 Figure 5 16 Figure 5 17 Figure 5 18 Figure 5 19 Figure 5 20 Figure 5 21 Figure 5 22 Back Panel Front Panel Example of a Typical Network Connect a PC Connect the Cable DSL Modem Connect the Power Router s IP Address Router Login Setup Tab Basic Setup Obtain an IP automatically Static IP PPPoE RAS PPTP Heart Beat Signal L2TP Setup Tab DDNS DynDNS org Setup Tab DDNS TZO com Setup Tab MAC Address Clone Setup Tab Advanced Routing Routing Table Entry List Security Tab Firewall MAC Filter Setting Security Tab VPN Passthrough Applications amp Gaming Tab Port Range Forwarding Applications amp Gaming Tab Port Triggering Applications amp Gaming Tab UPnP Forwarding Applications amp Gaming Tab DMZ Applications amp Gaming Tab QoS Figure 5 23 Administration Tab Management Figure 5 24 Admi
81. type you select Obtain an IP Automatically By default the Router s Internet Connection Type is set to Obtain an IP automatically and it should be used only if your ISP supports DHCP or you are connecting through a dynamic IP address Basic Setup Obi an IP avomotcally x Mont Name Doman name m C Enable Disable Size tapades 192 i68 1 Tr Subnet Ma 266 256 255 0 Z Metwork Address Server Settings DHCP Figure 5 3 Setup Tab Basic Setup Obtain an IP automatically Chapter 5 Configuring the Router 12 The Setup Tab Basic Setup Static IP If you are required to use a permanent IP address then select Static IP 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 3 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 for Internet connections If you use a DSL line check with your ISP to see if they use PPPoE If they do you will have to enable it User Name and Password Enter the User Name and Password provided by your ISP Service N
82. ugh click the Disabled 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 Enabled button To disable PPTP Passthrough click the Disabled 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 Help information is shown on the right hand side of the Screen the Router A Division of Cisco Suter inc Etherfast Cable DSL Router Security IPSec Passthrough PPTP Passthrough PPPoE Passthrough PSecassiecuy 9 Enabled Disabled ater support PPPoEPessPvougg Enebled Disebled PPTP Panettroug fmabed C Dieabled Figure 5 17 Security Tab VPN Passthrough vpn virtual private network a security measure to protect data as it leaves one network and goes to another over the Internet ipsec internet protocol security a VPN protocol used to implement secure exchange of packets at the IP layer 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 24 EtherFast Cable DSL Router with 4 Port Switch The Applications amp Gaming Tab Port Range Forwarding When you click the Applications amp Gam
83. urrent IP address of the device connected to the Router s Internet port DHCP Renew Available 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 Help information is shown on the right hand side of the screen For additional help click More LINKSYS A Division of Cisco Systems nc Etherfast Cable DSL Router Status Status Router Status Refresh Figure 5 30 Status Tab Router 37 EtherFast Cable DSL Router with 4 Port Switch Linksys The Status Tab Local Network The Local Network screen displays information about the local network Si uus Status Local Network sna Local Network Status Local MAC Address The MAC Address of the Router s LAN local area network interface is displayed here e aa IP Address The Router s local IP Address is shown here iis cs DHCP Cent Table Subnet Mask The Router s Subnet Mask is shown here DHCP Server The status of the DHCP server is displayed here DHCP Client Table Click the DHCP Client Table button to view a list of PCs that have been assigned IP Figure 5 31 Status Tab Local Network addresses by the Router The DHCP Active IP Table screen lists the DHCP Server IP Address Client Hostnames IP Addresses and MAC Addresses Click the Delete checkbox to delete a DHCP cl
84. uter 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 Triggering Application Enter the application name of the trigger Triggered Range 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 For each application list the forwarded port number range Check with the Internet application documentation for the port number s needed Start Port Enter the starting port number of the Forwarded Range End Port Enter the ending port number of the Forwarded Range 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 Help information is shown on the right hand side of the screen For additional help click More Chapter 5 Configuring the Router The Applications amp Gaming Tab Port Triggering A Orson of Once Sites ic Applications amp Gaming Save Settings Cancel Changes Figure 5 19 Applications amp Gaming Tab Port Triggering 26 EtherFas DSL Router with 4 Port Switch The Applications amp Gaming Tab UPnP Forwarding The UPnP Forwarding screen
85. word is admin On the Basic Setup tab select the option Keep Alive and set the Redial Period option at 20 seconds Click the Save Settings button Click the Status tab and click the Connect button You may see the login status display as Connecting Press the F5 key to refresh the screen until you see the login status display as Connected If the connection is lost again follow steps E and F to re establish connection 4 16 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 A B C D To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP address of the Router Enter the password if asked The default password is admin On the Basic Setup tab look for the MTU option and select Enable In the Size field enter 1492 Click the Save Settings button to continue 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 17 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 Int
86. y that inspects incoming packets of information before allowing them to enter the network 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 Subnet Mask An address code that determines the size of the network 60 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 Topology The physical layout of a network TX Rate Transmission Rate 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
87. you are using a Heart Beat Signal connection check with your ISP for the necessary setup information User Name and Password Enter the User Name and Password provided by your ISP Heart Beat Server Enter the IP address of your ISP s Heart Beat server This is 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 User N
88. you would enter 100 in the field provided Check Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter for details on getting an IP address Check the Enabled option for the port services you want to use Consider the examples below Application Start and End Protocol IP Address Enabled UT 7777 to 27900 Both 192 168 1 100 X Halflife 27015 to 27015 Both 192 168 1 105 X PC Anywhere 5631 to 5631 UDP 192 168 1 102 X VPN IPSEC 500 to 500 UDP 192 168 1 100 X When you have completed the configuration click the Save Settings button can t get the Internet game server or application to work If you are having difficulties getting any Internet game server or application to function properly consider exposing one PC to the Internet using DeMilitarized Zone DMZ hosting This option is available when an 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 B Access the Router s Web based Utility by going to

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