Linksys BEFSR81 manual

Instant Br oadband™ Series EtherFast Cable/DSL Router Model No.: BEFSR81 User Guide[...]

COPYRIGHT & TRADEMARKS Copyright © 2000 Linksys, All Rights Reserved. Instant Broadband is a r egistered trademark of Linksys. Microsoft, Windows, and the Windows logo ar e register ed trade- marks of Microsoft Corporation. All other trademarks and brand names ar e the proper- ty of their respective pr oprietors. LIMITED W ARRANTY Linksys guar[...]

Instant Broadband Series EtherFast Cable/DSL Router Introduction The Linksys EtherFast Cable/DSL Router Congratulations on your purchase of a Linksys Instant Broadband EtherF ast Cable/DSL Router . The EtherF ast Cable/DSL Router is the perfect option to connect a small group of PCs to a high-speed Broadband Inter net connection or to an Ethernet b[...]

EtherFast Cable/DSL Router 3 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. The 8-Port Router’ s Ports WA N The W AN (W ide Area Network) P ort is where you will connect your cab le or DSL modem. P orts 1-8 These eight LAN ([...]

EtherFast Cable/DSL Router Full/Col Gr een . The Full/Col LED also serves tw o pur poses. If this LED is continuousl y illuminated , the connection made through the cor responding port is successfully running in Full Duplex mode. If the LED is flickering, the connection is experiencing collisions. Infrequent collisions are normal. If this LED is fl[...]

EtherFast Cable/DSL Router 7 Instant Broadband Series 6 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 typicall y assigned by a DHCP server , which can be a computer on the netw ork or another piece of hardware, [...]

EtherFast Cable/DSL Router Configuring Y our Network with the Cable/DSL Router No w that the Cable/DSL Router is wired into your net- w ork, you can begin conf iguring your system. 1. Open y our w eb br o wser and type http://192.168.1.1 in the bro wser’ s Address box. This number is the def ault IP address of the Router . Press Enter . 2. A User[...]

EtherFast Cable/DSL Router 11 Instant Broadband Series 10 LAN IP Addr ess These values refer to y our internal network settings. Unless y ou hav e specif ic inter nal needs, there should be no reason to change these values. F or the inter- nal LAN, the default v alues are as follows. • Priv ate IP Address: 192.168.1.1 • Subnet Mask: 255.255.255[...]

EtherFast Cable/DSL Router 13 Instant Broadband Series 12 3. In the Conf iguration windo w , select the TCP/IP pr otocol line that has been associated with your netw ork card/adapter . If there is no TCP/IP line listed , go to page 39 to install the TCP/IP Protocol no w . 4. Click the Pr operties button, then choose the IP Addr ess tab . Select Obt[...]

EtherFast Cable/DSL Router 15 Instant Broadband Series 5. Click OK . W indows ma y ask for original W indows installation f iles. Supply them as needed (i.e.: D:win98, D:win95, c:windo wsoptionscabs.) 6. W indows will ask y ou to restar t the PC. Click Ye s . Repeat steps 1-6 f or each PC on y our netw ork. When all of y our PCs ar e conf igur[...]

EtherFast Cable/DSL Router 17 Instant Broadband Series 16 • Default Gatew a y Address Y our ISP will pro vide you with the Gate w a y IP Address. If set to Obtain an IP address automaticall y , these values are assigned by y our ISP . • DNS (Domain Name Serv er) IP Address Y our ISP will pro vide you with at least one DNS IP Address. If set to [...]

EtherFast Cable/DSL Router 19 Instant Broadband Series 18 Status This screen pro vides the cur rent status of the device. All of the information pro vided is read-only . • Router Name This f ield sho ws the name of this device. This entr y is necessary for some ISPs. • Firmw are V ersion This f ield sho ws the installed version of the f ir mwar[...]

EtherFast Cable/DSL Router 21 Instant Broadband Series 20 Help Here you will f ind links to all of the Utility’ s internal suppor t documentation, as w ell as the application that upg rades the Router’ s f ir mware. T o upg rade the Router’ s f irmware: 1. Do wnloaded the latest f ir mware v ersion from the Linksys website (www .linksys.com).[...]

EtherFast Cable/DSL Router 23 Instant Broadband Series 22 Forwarding P or t forwarding sets up pub lic services on your netw ork. When users from the Internet make cer tain requests of your netw ork, the Router will forward those requests to the appropriate computer . It is recommended that the Router's DHCP function is disabled w hen F orw ar[...]

EtherFast Cable/DSL Router 25 Instant Broadband Series 24 Static Routing If the Router is connected to more than one netw ork, it may be necessary to set up a static route betw een them. A static route is a pre-determined pathwa y that netw ork infor mation must trav el to reach a specif ic host or netw ork. Click the Sho w Routing T ab le button t[...]

EtherFast Cable/DSL Router 27 Instant Broadband Series 26 DMZ Host The DMZ Host setting allo ws one local user to be exposed to the Internet to use a special-pur pose ser vice such as Internet gaming or V ideo-conferencing. T o expose one computer , enter the computer’ s IP address and click the A pply button. Inactiv ate DMZ by entering a zero. [...]

EtherFast Cable/DSL Routers Y ou can also prioritize up to four ports with the Port-based QoS. Port-based QoS (Quality of Service) settings allow you to prioritize performance on four of the router  s ports. The Router s other four ports are automatically assigned Low Priority . Port-Based QoS does not require support from your ISP as the por[...]

EtherFast Cable/DSL Routers 31 30 3. I can’t browse through the Cable/DSL Router . • Make sure that both ends of the netw ork cable and po w er adapter are properly connected and that the status LEDs on the front panel are functioning properly . • If using W indows 95 or W indo ws 98, check the TCP/IP setup on the client side. Run " wini[...]

EtherFast Cable/DSL Routers 33 32 What is Network Address T ranslation and what is it used for? Netw ork Address T ranslation (N A T) translates multiple IP addresses on the priv ate LAN to one public address that is sent out to the Internet. This adds a lev el of security since the address of a PC connected to the priv ate LAN is nev er transmitte[...]

EtherFast Cable/DSL Routers What is DMZ? Demilitarized Zone (DMZ) allo ws 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 stat- ic IP if you w ant to use DMZ. If DMZ is used, does the exposed user share the public IP with the Rou[...]

37 Instant Broadband Series Appendix SNMP ( S imple N etwork M anagement P rotocol) is a widel y-used network monitoring and control protocol. Data is passed from a SNMP agent, such as the EtherF ast Cable/DSL Router to the w orkstation console used to o versee the netw ork. The Router then returns infor mation contained in a MIB (Management Inform[...]

39 Instant Broadband Series 38 EtherFast Cable/DSL Router Installing the TCP/IP Protocol F ollo w these instructions to install the TCP/IP Protocol on one of your PCs only after a netw ork card has been successfully installed inside the PC. These instructions are for W indo ws 95 and W indows 98. F or TCP/IP setup under W indows NT , please refer t[...]

41 Instant Broadband Series 40 EtherFast Cable/DSL Router T wisted-Pair Cabling There are different grades, or categories, of twisted-pair cab ling. Category 5 is the most reliable and is highl y recommended. Category 3 is a good second choice. Straight-through cables are used for connecting computers to a hub . Crosso ver cables are used for conne[...]

EtherFast Cable/DSL Routers 43 42 8-Port Router Specifications Model Number BEFSR81 Standards IEEE 802.3 10BaseT , 802.3u 100BaseTX Protocol CSMA/CD P or ts Eight 10/100 RJ45 Switched connectors (LAN) One 10Base-T Ethernet RJ-45 connector for ADSL/Cable Modem (W AN) Speed Router - 10Mbps, Switch - 10/100Mbps Cabling T ype 10BaseT: UTP/STP Cate gor [...]

EtherFast Cable/DSL Routers 45 44 Instant Broadband Series Customer Support F or help with the installation or operation of the Instant Broadband EtherF ast Cable/DSL Router , contact Linksys Customer Support at one of the phone numbers or Internet addresses below . Information 800-546-5797 (LINKSYS) Customer Support 800-326-7114 949-261-1288 Fa x [...]

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