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Instant Broadband™ Series
EtherFast Cable/DSL
Router
Model No.: BEFSR81
User Guide
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COPYRIGHT & TRADEMARKS Copyright © 2000 Linksys, All Rights Reserved. Instant Broadband is a registered trademark of Linksys. Microsoft, Windows, and the Windows logo are registered trade- marks of Microsoft Corporation. All other trademarks and brand names are the proper- ty of their respective proprietors. LIMITED WARRANTY Linksys guarantees that every Instant Broadband EtherFast Cable/DSL Router is free from physical defects in material and workmanship under normal use for one year from
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Instant Broadband Series EtherFast Cable/DSL Router Table of Contents Introduction Introduction 1 The Linksys EtherFast Cable/DSL Router The Linkys EtherFast Cable/DSL Router 1 Features 1 Congratulations on your purchase of a Linksys Instant Broadband EtherFast Package Contents 2 Cable/DSL Router. The EtherFast Cable/DSL Router is the perfect option to System Requirements 2 connect a small group of PCs to a high-speed Broadband Internet connection or to an Ethernet backbone. Configurable as a DH
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Instant Broadband Series EtherFast Cable/DSL Router Getting to Know the 8-Port EtherFast Cable/DSL Router The 8-Port Router’s Rear Panel The rear panel of the Router is where all of the Router’s connections are made. Package Contents • One Linksys Instant Broadband Cable/DSL Router • One power adapter The 8-Port Router’s Ports • One power cord • One user guide and registration card WAN The WAN (Wide Area Network) Port is where you will connect your cable or DSL modem. System Requirements Ports
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Instant Broadband Series EtherFast Cable/DSL Router Full/Col Green. The Full/Col LED also serves two purposes. If this The Reset Button LED is continuously illuminated, the connection made through the corresponding port is successfully running in Briefly pressing the Reset Button will refresh the Router’s con- Full Duplex mode. If the LED is flickering, the connection nections, potentially clearing any jammed links. is experiencing collisions. Infrequent collisions are normal. If this LED is fl
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Instant Broadband Series EtherFast Cable/DSL Router Connecting The Cable/DSL Router Dynamic IP Addresses A dynamic IP address is an IP address that is automati- cally assigned to a client station (computer, printer, etc.) in a TCP/IP network. Dynamic IP addresses are typically assigned by a DHCP server, which can be to Your Network a computer on the network or another piece of hardware, such as the Router. A dynamic IP address may change every time your computer connects to the Overview network.
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Instant Broadband Series EtherFast Cable/DSL Router 4. Connect the power-supply cable to the Power port on the rear of the Configuring Your Network with the Router, then plug the supplied AC power cable into a power outlet. Plug the other end into the back of the power adapter. N No otte e:: If the TCP/IP Cable/DSL Router protocol is not config- • The Power LED will illuminate green as soon as the power adapter is ured on your PC, go connected. Configuring the Cable/DSL Router to page 38 of the
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Instant Broadband Series EtherFast Cable/DSL Router 3. The Cable/DSL Router’s Setup page will appear. LAN IP Address These values refer to your N No otte e:: If you have an existing DHCP server on your LAN internal network settings. Unless you have and you don’t wish to use specific internal needs, there should be no the router as your new reason to change these values. For the inter- DHCP server, you must nal LAN, the default values are as follows. assign your router a static IP address. The
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Instant Broadband Series EtherFast Cable/DSL Router 7. Unless you already have a DHCP server on your internal network, 3. In the Configuration window, select the TCP/IP protocol line that has choose Enable from the DHCP Server field. By choosing Enable, you will been associated with your network card/adapter. If there is no TCP/IP line configure the Router to automatically assign IP addresses to each of your listed, go to page 39 to install the TCP/IP Protocol now. PCs. In the Number of DHCP Use
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Instant Broadband Series EtherFast Cable/DSL Router 5. Click OK. Windows may ask for original Windows installation files. The Cable/DSL Router’s Web-based Supply them as needed (i.e.: D:\win98, D:\win95, c:\windows\options\cabs.) Utility 6. Windows will ask you to restart the PC. Click Yes. Quick & Easy Administration Repeat steps 1-6 for each PC on your network. When all of your PCs are configured, the Cable/DSL Router Setup and Installation is complete. The EtherFast Cable/DSL Router has an in
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Instant Broadband Series EtherFast Cable/DSL Router N No otte e:: The Setup • Default Gateway Address Your ISP will provide you with the Gateway IP Setup page shown in the Address. If set to Obtain an IP address automatically, these values are graphic below may assigned by your ISP. differ from the one seen on your router. • DNS (Domain Name Server) IP Address Your ISP will provide you with at least one DNS IP Address. If set to Obtain an IP address automatically, these values are assigned by y
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Instant Broadband Series EtherFast Cable/DSL Router Status Password It is strongly recommended that you set a password for the Router. When you first power up the Router, you will notice that the Password setting has been left blank. When the password field is blank, all users on your network can access the Router simply by entering the unit's IP address into their web browser's location window. If you set the Restore Factory Default option and click Apply, you will clear all of the Router’s set
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Instant Broadband Series EtherFast Cable/DSL Router • WAN These fields display the IP Address, Subnet Mask and Gateway IP Help of the Router as seen by external users on the Internet. • DNS (Domain Name Server) IP Address This field shows the IP Address of the DNS currently being used. Multiple DNS IP settings are common. The first available DNS entry is used in most cases. DHCP Here you will find links to all of the Utility’s internal support documentation, as well as the application that upgr
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Instant Broadband Series EtherFast Cable/DSL Router Filters Forwarding Filters block specific internal users from accessing the Internet. You can set up a filter through an IP address or a network Port number. Port forwarding sets up public services on your network. When users from the To Modify Filter Settings Internet make certain requests of your network, the Router will forward those requests to the appropriate computer. It is recommended that the Router's • Enter the IP addresses you wish t
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Instant Broadband Series EtherFast Cable/DSL Router Dynamic Routing Static Routing With Dynamic Routing you can automatically adjust to physical changes in If the Router is connected to more than one network, it may be necessary to the network's layout. The Router, using the RIP protocol, determines the net- set up a static route between them. A static route is a pre-determined pathway work packets’ route based on the fewest number of hops between the source that network information must travel
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Instant Broadband Series EtherFast Cable/DSL Router 2. Enter the following data to create a new static route: DMZ Host Destination LAN IP The Destination LAN IP 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 here. If you are building a route to an entire network, be sure that the network portion of the IP address is set to zero. For example, the Router’s standard IP address is
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Instant Broadband Series EtherFast Cable/DSL Routers You can also prioritize up to four ports with the Port-based QoS. Port-based Quality of Service QoS (Quality of Service) settings allow you to prioritize performance on four of the routers ports. The Routers other four ports are automatically assigned Low Priority. Port-Based QoS does not require support from your ISP as the ports prioritized are LAN ports going out to your network. Qos is Quality of Service, based on the idea that transmi
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Instant Broadband Series EtherFast Cable/DSL Routers 3. I can’t browse through the Cable/DSL Router. Troubleshooting • Make sure that both ends of the network cable and power adapter are properly connected and that the status LEDs on the front panel are functioning properly. Common Problems and Solutions • If using Windows 95 or Windows 98, check the TCP/IP setup on the client side. Run "winipcfg" by clicking on the Start button, then select- This section provides possible solutions to problems
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Instant Broadband Series EtherFast Cable/DSL Routers Frequently Asked Questions What is Network Address Translation and what is it used for? Network Address Translation (NAT) translates multiple IP addresses on the private What is MIB? MIB (Management Information Base) is a data file that works in LAN to one public address that is sent out to the Internet. This adds a level tangent with third-party SNMP software in managing your Router. To use of security since the address of a PC connected to t
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Instant Broadband Series EtherFast Cable/DSL Routers Can multiple gamers on the LAN get on one game server and play simultaneous- What is DMZ? Demilitarized Zone (DMZ) allows one IP Address (computer) ly with just one public IP address? It depends on the which network game or to be exposed to the Internet. Some applications require multiple TCP/IP what kind of game server you are using. For example, Unreal Tournament ports to be open. It is recommended that you set your computer with a stat-
