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A Division of Cisco Systems, Inc.

®

Model No.

WIRED

with 8-Port Switch

Cable/DSL Router

BEFSR81

User Guide

EtherFast

®

 

Summary of Contents for BEFSR81 - EtherFast Cable/DSL Router

Page 1: ...A Division of Cisco Systems Inc Model No WIRED with 8 Port Switch Cable DSL Router BEFSR81 User Guide EtherFast ...

Page 2: ...nical terms that are presented like this Also each figure diagram screenshot or other image is provided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the Table of Contents This exclamation point means there is a Caution or Warning and is something that could damage your property or the Router word definition This ...

Page 3: ...8 Overview 8 Connection Instructions 9 Chapter 5 Configuring the PCs 10 Overview 10 Configuring Windows 98 and Millennium PCs 10 Configuring Windows 2000 PCs 11 Configuring Windows XP PCs 11 Chapter 6 Configuring the Router 13 Overview 13 Instructions 13 Chapter 7 Using The Router s Web based Utility 17 Overview 17 Navigating the Utility 17 Quick and Easy Administration 18 Basic Setup 19 DDNS 23 M...

Page 4: ...Frequently Asked Questions 49 Appendix B Upgrading Firmware 53 Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter 54 Windows 98 or Me Instructions 54 Windows 2000 or XP Instructions 54 For the Router s Web based Utility 55 Appendix D Windows Help 56 Appendix E Glossary 57 Appendix F Specifications 63 Appendix G Warranty Information 64 Appendix H Regulatory Information 65 A...

Page 5: ...12 Figure 5 6 Obtain an IP address automatically for Windows XP 12 Figure 6 1 Router s IP Address for Basic Setup 13 Figure 6 2 Router Login for Basic Setup 13 Figure 6 3 Obtain an IP Automatically for Basic Setup 14 Figure 6 4 Static IP for Basic Setup 14 Figure 6 5 PPPoE for Basic Setup 15 Figure 6 6 RAS for SingTel for Basic Setup 15 Figure 6 7 PPTP for Basic Setup 16 Figure 6 8 Heart Beat Sign...

Page 6: ...g 29 Figure 7 20 UPnP Forwarding 30 Figure 7 21 DMZ 32 Figure 7 22 QoS 32 Figure 7 23 Management 33 Figure 7 24 Log 35 Figure 7 25 Incoming Log Table 36 Figure 7 26 Outgoing Log Table 36 Figure 7 27 System Log 36 Figure 7 28 Factory Defaults 36 Figure 7 29 Firmware Upgrade 37 Figure 7 30 Router 37 Figure 7 31 Local Network 38 Figure 7 32 DHCP Active IP Table 38 Figure B 1 Upgrade Firmware 53 Figur...

Page 7: ...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 PCs on a wired network create a LAN or Local Area Network They are connected with Ethernet cables which is why the network is called wired To create your network install and set up the Router To guide you through the process Linksys stron...

Page 8: ...sing 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 chapter available for reference Chapter 1 Introduction This chapter describes the Router s applications and this User Guide Chapter 2 Networking Basics This chapter briefly explains how a network functions Chapter 7 Using the Router s Web based Utility ...

Page 9: ... 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 J Contact Information This appendix provide...

Page 10: ... 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 used with network devices such as server PCs or print servers If you use the Router to share your cable or DS...

Page 11: ...ssword 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 o...

Page 12: ...on 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 extreme problems with the Router and have tried all other troubleshooting measures press and hold in the Reset button for...

Page 13: ...en the Router is powered on If the LED is flashing the Router is running a diagnostic test Ethernet Green The Ethernet LED serves two purposes If the LED is continuously lit the Router is connected to a device through the corresponding port 1 2 3 4 5 6 7 or 8 If the LED is flashing the Router is actively sending or receiving data over that port Internet Green The Internet LED lights up when the Ro...

Page 14: ...hanged the default setting then you will not need to configure your PCs Configure the Router 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 call your ISP to request the information Once you have the setup information for your specifi...

Page 15: ... PC print server hub or switch Repeat this step to connect more PCs or other network devices to the Router 3 Connect your cable or DSL modem s Ethernet cable to the Router s Internet port 4 Power on the cable or DSL modem 5 Connect the included power adapter to the Router s Power port as shown in Figure 4 3 and then plug the power adapter into an electrical outlet The Power LED on the front panel ...

Page 16: ...gured your computers proceed to Chapter 6 Configuring the Router Configuring Windows 98 and Millennium PCs 1 Click the Start button Click Settings and then Control Panel From there double click the Network icon 2 On the Configuration tab select the TCP IP line for the applicable Ethernet adapter as shown in Figure 5 1 Do not choose a TCP IP entry whose name mentions Dial Up Adapter PPPoE VPN or AO...

Page 17: ...lick the Properties button 3 Select Internet Protocol TCP IP and click the Properties button See Figure 5 3 4 Select Obtain an IP address automatically see Figure 5 4 Once the new windows appears click the OK button Click the OK button again to complete the PC configuration 5 Restart your computer Go to Chapter 6 Configuring the Router Configuring Windows XP PCs The following instructions assume y...

Page 18: ...4 Select Obtain an IP address automatically see Figure 5 6 Once the new window appears click the OK button Click the OK button again or the Close button if any settings were changed to complete the PC configuration 5 Restart your computer Go to Chapter 6 Configuring the Router Figure 5 5 Internet Protocol TCP IP for Windows XP Figure 5 6 Obtain an IP address automatically for Windows XP ...

Page 19: ...in the web browser s Address field as shown in Figure 6 1 Press the Enter key 2 A screen will appear asking you for your User name and Password see Figure 6 2 Leave the User name field blank and enter the default password admin in lowercase letters in the Password field Then click the OK button 3 The Router supports six connection types obtain an IP automatically DHCP Static IP PPPoE RAS PPTP and ...

Page 20: ...econdary DNS fields You need to enter at least one DNS address D Click the Save Settings button to save this change or click the Cancel Changes button to undo your change For further help on this tab click the Help button When you are finished proceed to step 4 Figure 6 3 Obtain an IP Automatically for Basic Setup Figure 6 4 Static IP for Basic Setup Note If you have previously enabled Internet sh...

Page 21: ...her help on this tab click the Help button D Click the Status tab and then click the Connect button When you are finished proceed to step 4 RAS RAS shown in Figure 6 6 is a service used in Singapore only If you are using a RAS connection check with your ISP for the necessary setup information A When finished making your changes on this tab click the Save Settings button to save this change or clic...

Page 22: ...lick the Help button B Click the Status tab and then click the Connect button When you are finished proceed to step 4 4 In the Optional Settings section you may need to provide a Host Name and Domain Name for the Router These fields are usually left blank If requested by your ISP usually cable ISPs complete these two fields 5 If you haven t already done so click the Save Settings button to save yo...

Page 23: ...ation tab and then the Management tab The Router s default password is admin To secure the Router change the Password from its default Navigating the Utility There are five main tabs Setup Security Applications 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 D...

Page 24: ...t On this screen alter the Router s password access privileges and 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 ...

Page 25: ...ally as shown in Figure 7 3 and it should be used only if your ISP supports DHCP Static IP If you are required to use a permanent IP address then select Static IP as shown in Figure 7 4 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 exter...

Page 26: ...e 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 RAS for SingTel Remote Access Service RAS shown in Figure 7 6 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 a...

Page 27: ...User Name and Password provided by your ISP Connect on Demand and Max Idle Time You can configure the Router to cut your connection with your ISP after a specified period of time Max Idle Time If you have been disconnected 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 ...

Page 28: ...ess connected indefinitely even when it sits idle To use this option click the radio button next to Keep Alive The default Redial Period is 30 seconds When you are finished click the Save Settings button Then click the Status tab and click the Connect button to start the connection Optional Settings Host Name and Domain Name These fields allow you to supply a host and domain name for the Router So...

Page 29: ... starting IP address e g 100 to the number of DHCP users By default as shown in Figure 7 8 add 100 to 50 and the range is 192 168 1 100 to 192 168 1 149 DHCP Address Range The range of DHCP addresses is displayed here Client Lease Time The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their current dynamic IP address Enter the amount of time i...

Page 30: ...nges button to undo your changes For further help on this tab click the Help button TZO com Email Address TZO Password Key and Domain Name Enter the Email Address TZO Password Key and Domain Name of the service you set up with TZO See Figure 7 11 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 servi...

Page 31: ...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 With Dynamic Routing you can enable the Router to automa...

Page 32: ... in which the Subnet Mask is 255 255 255 0 This determines by using the values 255 that the first three numbers of a network IP address identify this particular network while the last digit from 1 to 254 identifies the specific host Gateway This IP address should be the IP address of the gateway device that allows for contact between the Router and the remote network or host Hop Count This determi...

Page 33: ...MAC filter click the Edit MAC Filter Setting button Edit MAC Filter Setting Click the Edit MAC Filter Setting button to display Figure 7 16 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 yo...

Page 34: ...able PPTP Passthrough click the Disabled button When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes For further help on this tab click the Help button Port Range Forwarding When you click the Applications Gaming tab you will see the Port Range Forwarding screen see Figure 7 18 Port Range Forwardi...

Page 35: ...e Settings button to save these changes or click the Cancel Changes button to undo your changes For further help on this tab click the Help button Port Triggering The Port Triggering screen as shown in Figure 7 19 allows the Router to watch outgoing data for specific port numbers The IP address of the computer that sends the matching data is remembered by the Router so that when the requested data...

Page 36: ...ages 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...

Page 37: ...efines 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 th...

Page 38: ...f you do not want to use QoS keep the default Disabled Application based QoS Application based 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 priority or Low priority I...

Page 39: ...ports select High priority or Low priority If you select Disable then QoS will be disabled for that port The Router s other four ports will be automatically assigned low priority Port based QoS does not require support from your ISP because the prioritized ports are LAN ports going out to your network When finished making your changes on this tab click the Save Settings button to save these change...

Page 40: ... a widely used network monitoring and control protocol This allows network supervisors to monitor the Router using network management systems such as HP OpenView Enabled Disabled To use SNMP select Enabled If you do not want to use SNMP keep the default Disabled Identification Contact Enter the name of the contact person for the Router Device Name Enter the name of the Router Location Enter the lo...

Page 41: ...d this feature allows you to prohibit any and all Internet connections When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes For further help on this tab click the Help button Log When you click the Administration tab you will see the Log screen see Figure 7 24 It provides you with a log of all inc...

Page 42: ...esses and failures and packet filtering policies while the Access Log shows all data traffic Clear To clear a log click the Clear button Refresh To update a log click the Refresh button When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes For further help on this tab click the Help button Factory ...

Page 43: ... appropriate file click the Upgrade button and follow the on screen instructions For further help on this tab click the Help button Router When you click the Status tab you will see the Router screen see Figure 7 30 It displays information about the Router and its settings Information Firmware Version This shows the installed version and date of the firmware MAC Address The MAC Address of the Rout...

Page 44: ...he DHCP Renew button to replace the current IP address of the device connected to the Router s Internet port with a new IP address Click the Refresh button to update the on screen information For further help on this tab click the Help button Local Network The Local Network screen displays information about the local network See Figure 7 31 Local Network Local MAC Address The MAC Address of the Ro...

Page 45: ...ct the TCP IP 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 conne...

Page 46: ...ter 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 Click Start and Control Panel B Click the Network and Internet Connections icon and then the Network Connections icon C Right click t...

Page 47: ... 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 int...

Page 48: ...er is not the cause of the problem If you do NOT get a reply there may be a problem with the connection Try the ping command from a different computer to verify that your original computer is not the cause of the problem 3 I am not getting an IP address on the Internet with my Internet connection A Refer to Problem 2 I want to test my Internet connection to verify that you have connectivity B If y...

Page 49: ...ter 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 Rou...

Page 50: ...elow When you have completed the configuration click the Save Settings button 7 I 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 Route...

Page 51: ... 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 ...

Page 52: ... you do not have any proxy settings and that the browser you use is set to connect directly to the LAN For Microsoft Internet Explorer 5 0 or higher A Click Start Settings and Control Panel Double click Internet Options B Click the Connections tab C Click the LAN settings button and remove anything that is checked D Click the OK button to go back to the previous screen E Click the option Never dia...

Page 53: ... is not actually a dedicated or always on connection The DSL ISP can disconnect the service after a period of inactivity just like a normal phone dial up connection to the Internet There is a setup option to keep alive the connection This may not always work so you may need to re establish connection periodically A To connect to the Router go to the web browser and enter http 192 168 1 1 or the IP...

Page 54: ...tart 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 F 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 17 When I enter a URL or IP address I get ...

Page 55: ...ed on Apple and Macintosh networks can be used for LAN to LAN connections but those protocols cannot connect from the Internet to the LAN What is Network Address Translation and what is it used for Network Address Translation NAT translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet This adds a level of security since the address of a PC connect...

Page 56: ...t 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 Just 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 anothe...

Page 57: ...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...

Page 58: ...rk 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 Gaming Port Range Forwarding tab set port forwarding to 113 for the PC on which you are using mIRC If your questions are not addressed he...

Page 59: ...llow these instructions 1 Download the Router s firmware upgrade file from the Linksys website www linksys com 2 Extract the file on your computer 3 Click the Administration tab and then the Firmware Upgrade tab of the Router s Web based Utility 4 On the Upgrade Firmware screen shown in Figure B 1 enter the location of the extracted firmware upgrade file or click the Browse button to find this fil...

Page 60: ...er 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 See Figure C 1 3 Write down the Adapter Address as shown on your computer screen see Figure C 2 This is the MAC address for your Ethernet adapter and is shown as a series of numbers and letters The MAC addre...

Page 61: ... MAC address cloning or MAC filtering The example in Figure C 3 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 this format XXXXXXXXXXXX WITHOUT the hyphens See Figure C 4 For MAC address cloning enter the 12 digit MAC address in the MAC Address fields provided...

Page 62: ... set of instructions or protocol all PCs follow to communicate over a wired or wireless network Your PCs will not be able to utilize networking without having TCP IP enabled Windows Help provides complete instructions on enabling TCP IP Shared Resources If you wish to share printers folders or files over your network Windows Help provides complete instructions on utilizing shared resources Network...

Page 63: ...s network Adapter This is a device that adds network functionality to your PC Ad hoc A group of wireless devices communicating directly with each other peer to peer without the use of an access point 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 The fr...

Page 64: ...e a fixed domain name Default Gateway A device that forwards Internet traffic from your local area network 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 DMZ Demilitarized Zone Removes the Router s firewall protection from one PC allowing it to be seen ...

Page 65: ...packet FTP File Transfer Protocol A standard protocol for sending files between computers over a TCP IP network and the Internet Full Duplex The ability of a networking device to receive and transmit data simultaneously Gateway A system that interconnects networks Half Duplex Data transmission that can occur in two directions over a single line but only one direction at a time Hardware The physica...

Page 66: ...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 OFDM Orthogonal Frequency Division Multiplexing A type of modulation technology that separates the data st...

Page 67: ...wait for a CTS Clear To Send message before sending data 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 se...

Page 68: ...tocol A network protocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent Upgrade To replace existing software or firmware with a newer version Upload To transmit a file over a network URL Uniform Resource Locator The address of a file located on the Internet VPN Virtual Private Network A security measure to protect data as it leaves one netwo...

Page 69: ...Ethernet Category 5 LEDs Power QoS Ethernet Internet UPnP able cert Yes OS Support Windows 98SE Me 2000 XP Network Protocols TCP IP NetBEUI IPX SPX Dimensions 7 31 x 6 06 x 1 89 W x H x D 186 mm x 154 mm x 48 mm Unit Weight 12 30 oz 0 35 kg Power External 12V DC 1 A Certifications FCC CE UPnP Operating Temp 0ºC to 40ºC 32ºF to 104ºF Storage Temp 20ºC to 70ºC 4ºF to 158ºF Operating Humidity 10 to 8...

Page 70: ... 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...

Page 71: ...quipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment or devices Connect the equipment to an outlet other than the receiver s Consult a deale...

Page 72: ...out networking with Linksys products Give our advice line a call at 800 546 5797 LINKSYS Or fax your request in to 949 261 8868 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 dep...

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