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Linksys WRT120N manual

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Table of contents for the manual

  • Page 1

    USER GUIDE Wir eless-N Home Router Model: WRT120N[...]

  • Page 2

    About This Guide i Wir eless-N Home Router About This Guide Icon Descriptions While reading through the User Guide you may see various icons that call attention to specific items. Below is a description of these icons: NO TE: This check mark indicat es that there is a not e of interest and is something that y ou should pay special attention to whil[...]

  • Page 3

    T able of Contents ii Wir eless-N Home Router Chapter 1: Product O verview 1 F ront Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Back P anel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 2: Wireless Security Checklist 3 Gene[...]

  • Page 4

    T able of Contents iii Wir eless-N Home Router W arranty Information 31 Limited W arranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Exclusions and Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Obtaining W arranty Ser vice . . . . . . . . . . . . . . [...]

  • Page 5

    Chapter 1 Produc t Over view 1 Wir eless-N Home Router Chapter 1: Pr oduc t O verview Thank you f or choosing the Linksys by Cisco Wireless-N Home Router . The Router lets you access the I nternet via a wireless connection or through one of its four switched ports. Y ou can also use the Router to shar e resour ces such as computers, printers and fi[...]

  • Page 6

    Chapter 1 Produc t Over view 2 Wir eless-N Home Router W all-Mounting Placement The Router has two wall-mount slots on its bottom panel. The distance between the slots is 152 mm (6 inches). T wo screws ar e needed to mount the Router . Suggested Mounting Hardwar e 2.5-3.0 mm 4-5 mm 1-1.5 mm † Note: Mounting hardware illustrations ar e not true to[...]

  • Page 7

    Chapter 2 Wireless Security C hecklist 3 Wir eless-N Home Router Chapter 2: W ir eless S ecurity Checklist Wir eless net works are convenien t and easy to install, so homes with high-speed I nternet access are adopting them at a rapid pace. Because wireless network ing operates by sending information over radio waves , it can be more vulnerable to [...]

  • Page 8

    Chapter 3 Advanced Configura tion 4 Wir eless-N Home Router Chapter 3: A dvanced C onfiguration After setting up the Router with the Setup Wizard (located on the CD -ROM), the Router will be ready for use. How ever , if you want to change its advanced settings, use the Router ’ s browser -based utility. This chapter describes each web page of the[...]

  • Page 9

    Chapter 3 Advanced Configura tion 5 Wir eless-N Home Router Automatic C onfiguration - DHCP By default, the Router’ s Internet Connection T ype is set to Automatic configuration - DHCP , which should be kept only if your ISP supports DHCP or y ou are connecting through a dynamic IP address. ( This option usually applies to cable connections.) Int[...]

  • Page 10

    Chapter 3 Advanced Configura tion 6 Wir eless-N Home Router • DNS 1-3 Y our ISP will provide you with at least one DNS (Domain Name System) server IP address. PPTP Server IP Address Y our ISP will pr ovide you with the IP address of the PPTP server . Username and Password Enter the Username and P assword provided b y your ISP . Connect on Demand:[...]

  • Page 11

    Chapter 3 Advanced Configura tion 7 Wir eless-N Home Router Host Name and Domain Name These fields allow you to supply a host and domain name for the Router . Some ISPs , usually cable ISP s, r equire these names as identification. Y ou may have to check with your ISP to see if your broadband I nternet service has been configured with a host and do[...]

  • Page 12

    Chapter 3 Advanced Configura tion 8 Wir eless-N Home Router addresses to . T his number cannot be grea ter than 253. The default is 50 . IP Address Range Display ed here is the range of a vailable IP addresses. Client Lease T ime The Client Lease Time is the amount of time a net work user will be allowed connec tion to the Router with their current[...]

  • Page 13

    Chapter 3 Advanced Configura tion 9 Wir eless-N Home Router TZO .com Setup > DDNS > TZO E-mail Address , TZO Key , and Domain Name Enter the settings of the account y ou set up with TZO . Internet IP A ddress The R outer’ s Internet IP address is displayed her e. Because it is dynamic, it will change. Status The status of the DDNS ser vice [...]

  • Page 14

    Chapter 3 Advanced Configura tion 10 Wir eless-N Home Router Route Entries T o set up a static route between the Router and another network, select a number from the drop- down list. Click Delete This En tr y to delete a static r oute. Enter Route Name Enter a name for the Route here, using a maximum of 25 alphanumeric characters. Destination LAN I[...]

  • Page 15

    Chapter 3 Advanced Configura tion 11 Wir eless-N Home Router Wir eless-N channel. Select any channel from the dr op- down menu. If you are not sure which channel to select, keep the default, Auto . Standard Channel I f 20MH z only is the Channel Width setting, then select the appropriate channel for your wireless network. If you are not sure which [...]

  • Page 16

    Chapter 3 Advanced Configura tion 12 Wir eless-N Home Router Method #3 Use this method if your client device asks for the Router ’ s PIN number . 1. Enter the PIN number listed on this screen. (It is also listed on the label on the bottom of the Router .) 2. After the client device has been configured, click OK . Then refer back to your client de[...]

  • Page 17

    Chapter 3 Advanced Configura tion 13 Wir eless-N Home Router WP A Ent erprise This option featur es WP A used with a RADIUS ser ver . ( This should only be used when a RADIUS ser ver is connec ted to the Router .) Security Mode > WP A Enterprise RADIUS Ser ver Enter the IP address of the ser ver . RADIUS P or t Enter the port number of the ser v[...]

  • Page 18

    Chapter 3 Advanced Configura tion 14 Wir eless-N Home Router WEP WEP is a basic encr yption method, which is not as secure as WP A. IMPORT ANT: If you are using WEP encryption, then each device in your wireless network MUST use the same WEP encryption method and key , or else the network will not function properly . Security Mode > WEP Encryptio[...]

  • Page 19

    Chapter 3 Advanced Configura tion 15 Wir eless-N Home Router Wireless Client List Wir eless Client List This screen shows computers and other devices on the wireless network . The list can be sor ted by Client Name, IP Addr ess, MA C Address, and Sta tus. Select S av e to MAC A ddress Filter List for an y device you want to add to the MAC Address F[...]

  • Page 20

    Chapter 3 Advanced Configura tion 16 Wir eless-N Home Router Wir eless- G devices are experiencing severe problems and are not able to transmit to the Router in an environmen t with heavy 802.11b traffic. This option boosts the Router’ s ability to catch all W ireless-N and Wireless-G transmissions but severely decreases performance. T o use this[...]

  • Page 21

    Chapter 3 Advanced Configura tion 17 Wir eless-N Home Router this option to enable Java filtering. This option is disabled by default. ActiveX ActiveX is a programming language for websites. If you deny ActiveX, y ou run the risk of not having access to Internet sites creat ed using this pr ogramming language. Select this option to enable ActiveX f[...]

  • Page 22

    Chapter 3 Advanced Configura tion 18 Wir eless-N Home Router Summary Status Policies are disabled by default. T o enable a policy , select the polic y number from the drop -down menu, and select Enabled . T o create a polic y , follo w steps 1-11. Repeat these steps to create additional policies , one at a time. 1. Select a number from the Acc ess [...]

  • Page 23

    Chapter 3 Advanced Configura tion 19 Wir eless-N Home Router T o delete a ser vice, select it from the Application list. Then click Delete . 11. Click Save Settings to sa ve the policy ’ s settings , or click Cancel Changes t o clear the changes. Applications and Gaming > S ingle P or t F or warding The Single P or t F or war ding screen allo [...]

  • Page 24

    Chapter 3 Advanced Configura tion 20 Wir eless-N Home Router Start~End Port Enter the number or range of port(s) used by the ser ver or Internet applications . Check with the Internet application documentation for more information. Protoc ol S elect the prot ocol(s) used for this application, T CP , UDP , or Both . T o IP Address For each applicati[...]

  • Page 25

    Chapter 3 Advanced Configura tion 21 Wir eless-N Home Router by MAC address, select MAC Address and enter the MAC address in the field provided . T o retrieve this information, click DHCP Client T able . DMZ > DHCP Client T able DHCP Client T able The DHCP Client T able lists computers and other devices that have been assigned IP addr esses by t[...]

  • Page 26

    Chapter 3 Advanced Configura tion 22 Wir eless-N Home Router Port Range Enter the por t range that the application will be using. For example, if you want to allocate bandwidth for FTP , you can enter 21-21. If you need ser vices for an application that uses from 1000 to 1250, you enter 1000- 1250 as your settings. Y ou can have up to three ranges [...]

  • Page 27

    Chapter 3 Advanced Configura tion 23 Wir eless-N Home Router Priority This column displays the bandwidth pr iority of High, Medium, Normal, or Low . Name This column displa ys the application, devic e, or port name. Information This column displays the port range or MA C addr ess entered for your entry. If a pre -configured application or game was [...]

  • Page 28

    Chapter 3 Advanced Configura tion 24 Wir eless-N Home Router UPnP Universal Plug and Play (UPnP) allows the appropriate Window s oper ating sy stem to automatically configure the Router for various Internet applications, such as gaming and videoconfer encing. UPnP T o use UPnP , keep the default, Enabled . Other wise, select Disabled . Allow U sers[...]

  • Page 29

    Chapter 3 Advanced Configura tion 25 Wir eless-N Home Router Diagnostics Ping T est Ping checks the status of a c onnec tion. IP or URL Address Enter the addr ess of the computer whose connection you wish to test. Pack et Size Enter the packet siz e you want to use. The default is 32 bytes. Number to Ping Enter the number of times you wish to test [...]

  • Page 30

    Chapter 3 Advanced Configura tion 26 Wir eless-N Home Router Firmw are Upgrade Before upgrading the firm ware, download the Router’ s firmware upgrade file from the Linksys website , ww w .linksysby cisco .com . Please selec t a file to upgr ade T o selec t the firmware upgrade file, click Browse and follow the on-screen instructions. Start to Up[...]

  • Page 31

    Chapter 3 Advanced Configura tion 27 Wir eless-N Home Router DHCP Clients T able DHCP Client T able The DHCP Client T able lists computers and other devices that have been assigned IP addr esses by the Router . The list can be sor ted by IP Address , MAC Address , Inter face, and Client Name. T o remove a DHCP client, click Delete . T o update the [...]

  • Page 32

    Appendix A T roubleshooting 28 Wir eless-N Home Router Appendix A: T roubleshooting Y our computer c annot connect to the Internet. F ollow these instruc tions until y our computer can connect to the Internet: • Make sure that the Router is powered on. The Pow er LED should be lit and not flashing. • If the Po wer LED is flashing, then po wer o[...]

  • Page 33

    Appendix A T roubleshooting 29 Wir eless-N Home Router[...]

  • Page 34

    Appendix B Specific ations 30 Wir eless-N Home Router Appendix B: Specifications Model WRT120N Standards IEEE 802.3u, 802.11g, 802.11b, Draft 802.11n LEDs Power, Internet, Wireless, Wi-Fi Protected Setup™, Ethernet (1-4) Ports Internet, Ethernet (1-4), Power Buttons Reset, Wi-Fi Protected Setup™ Cabling Type Cat 5 # of Antennas 2 (internal) Det[...]

  • Page 35

    Appendix E Warranty Inf ormation 31 Wir eless-N Home Router Appendix E: W arran ty Information Limited Warranty Linksys warrants that this Linksys hardware product will be substantially free of def ects in materials and workmanship arising under normal use during the Warranty Period, which begins on the da te of pur chase by the original end- user [...]

  • Page 36

    Appendix E Warranty Inf ormation 32 Wir eless-N Home Router and a copy of your da ted proof of original purchase when returning your product. Products received without a RMA number and dated proof of original purchase will be rejected. Do not include any other items with the product you are returning to Linksy s. Defective pr oduct cov ered by this[...]

  • Page 37

    Appendix D Regula tor y Information 33 Wir eless-N Home Router Appendix D: Regulat or y I nforma tion FCC Sta tement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any inter ference received , including inte[...]

  • Page 38

    Appendix D Regula tor y Information 34 Wir eless-N Home Router Industr y Canada Statement This Class B digital apparatus complies with Canadian ICES-003 and RSS210. Operation is subject to the following two c onditions: 1. This device ma y not cause inter ferenc e and 2. This device must ac cept any inter ference , including interference that may c[...]

  • Page 39

    Appendix D Regula tor y Information 35 Wir eless-N Home Router Declaration of Conf ormity with Regard to EU Direc tive 1999/5/EC (R&TTE Direc tive) Compliance Information f or 2,4-GH z and 5-GH z Wireless Pr oduc ts Relevant to the EU and O ther Countries F ollowing the EU Directive 1999/5/EC (R&T TE Directive) Б ъ л г а р с к и [B[...]

  • Page 40

    Appendix D Regula tor y Information 36 Wir eless-N Home Router Wireless E quipment ( Wireless-N/G/A/B Products) The following standards were applied during the assessment of the product against the requirements of the Directive 1999/5/EC: • Radio: EN 300 328 and/or EN 301 893 as applicable • EMC: EN 301 489-1, EN 301 489-17 • Safety: EN 60950[...]

  • Page 41

    Appendix D Regula tor y Information 37 Wir eless-N Home Router puissance PIRE de à 100 mW (20 dBm) maximum. Consultez http://ww w .arcep .fr/ pour de plus amples détails. Applicable Po wer Lev els in Franc e Frequency Band (MHz) Po wer Lev el (EIRP), (mW) Indoor Outdoor 2400-2454 100 (20 dBm) X X 2454-2483,5 100 (20 dBm) X 2454-2483,5 10 (10 dBm)[...]

  • Page 42

    Appendix D Regula tor y Information 38 Wir eless-N Home Router User Inf ormation for Consumer Pr oduc ts Cov ered by EU Directive 2002/96/EC on W aste Elec tric and Electronic Equipment ( WEEE) This document contains impor tant inf ormation for users with regards to the proper disposal and recycling of Linksys products. Consumers are required to co[...]

  • Page 43

    Appendix D Regula tor y Information 39 Wir eless-N Home Router Eesti (Estonian) - K esk konnaalane inf ormatsioon Euroopa Liidus asuva tele klientidele Euroopa Liidu direktiivi 2002/96/EÜ nõuete kohaselt on seadmeid, millel on tootel või pakendil k äesolev sümbol , keelatud kõr valdada koos sorteerimata olmejäätmetega. See sümbol näitab, [...]

  • Page 44

    Appendix D Regula tor y Information 40 Wir eless-N Home Router Lietuvškai (Lithuanian) - A plinkosaugos inf ormacija, skir ta Europos Sąjungos vartotojams Europos dir ekty va 2002/96/EC numat o, kad įrangos, kuri ir kurios pakuotė yra paž ymėta šiuo simboliu (įveskite simbolį), negalima šalinti k ar tu su nerūšiuotomis komunalinėmis at[...]

  • Page 45

    Appendix D Regula tor y Information 41 Wir eless-N Home Router Português (Portuguese) - Informação ambiental par a clientes da União Eur opeia A Directiva Europeia 2002/96/CE exige que o equipamento que exibe este símbolo no produto e/ou na sua embalagem não seja eliminado junto com os resíduos municipais não separados. O símbolo indica qu[...]

  • Page 46

    42 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router Appendix E: Sof tware End U ser License A greement Cisco Produc ts This product from Cisco Systems, Inc. or its subsidiar y licensing the S oftware instead of Cisco Systems, Inc. (“Cisc o”) contains soft ware (including fir mwar e) originating from Cisco and its supplie[...]

  • Page 47

    43 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router of the Soft ware or its related Documenta tion, or electronically transfer the S oftware or Documentation from one computer to another or over a network; (ii)alter , merge, modify , adapt, decrypt or translat e the Soft ware or related Documentation, or decompile, revers[...]

  • Page 48

    44 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router In addition, Cisco may collect and st ore detailed information regar ding your network configuration and usage for the purpose of providing you technical networking suppor t. The information is associated with you only when you provide a unique ID number to the support repr[...]

  • Page 49

    45 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router either the Soft ware or Documentation or both constitutes agreement by the Government that the Soft ware and Documentation are “ commer cial computer soft ware ” and “ commercial computer sof tware documentation, ” and constitutes acceptance of the rights and restri[...]

  • Page 50

    46 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router Everyone is per mitted t o copy and distribute verbatim copies of this license document, but changing it is not allowed . Preamble The licenses for most soft ware are designed to take away your freedom t o share and change it. By contrast , the GNU General Public License is[...]

  • Page 51

    47 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router c. If the modified progr am normally r eads commands interactively when run, y ou must cause it, when started running for such interactive use in the most ordinary way , to print or display an announcement including an appropriate copyright notice and a notice that there is[...]

  • Page 52

    48 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router 7. If , as a consequence of a cour t judgment or allegation of patent infringement or for any other reason (not limited to paten t issues), conditions ar e imposed on you (whether by court order , agreemen t or other wise) that contradict the conditions of this License, the[...]

  • Page 53

    49 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router GNU LESSER GENERAL PUBLIC LICENSE This is an unofficial translation of the GNU Lesser General Public License into [language]. It was not published by the F ree Software F oundation, and does not legally state the distribution terms for software that uses the GNU L GPL — o[...]

  • Page 54

    50 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router In other cases, permission to use a par ticular librar y in non- free programs enables a greater number of people to use a large body of free software. For example, permission to use the GNU C Library in non-free programs enables many more people to use the whole GNU operat[...]

  • Page 55

    51 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router permissions for other licensees ex tend to the entir e whole, and thus to each and every part regar dless of who wrote it. Thus, it is not the intent of this sec tion to claim rights or contest your rights to work written entirely by you; rather , the intent is to exercise [...]

  • Page 56

    52 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router b) Use a suitable shar ed library mechanism for linking with the Librar y . A suitable mechanism is one that (1) uses at run time a cop y of the libr ar y alr eady present on the user ’ s comput er system, rather than copying librar y functions into the executable , and ([...]

  • Page 57

    53 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router software distributed through that system in reliance on consistent application of that system; it is up t o the author/donor to decide if he or she is willing to distribute software through an y other system and a licensee cannot impose that choice . This section is intende[...]

  • Page 58

    54 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router The OpenSSL toolkit stays under a dual license, i.e. both the c onditions of the OpenSSL License and the original SSLeay license apply to the toolk it. S ee below for the actual license tex ts. Actually both licenses are BSD -style Open Source licenses. In case of any licen[...]

  • Page 59

    55 Appendix E Sof tware End U ser License Agreement Wir eless-N Home Router BUT NOT LIMITED T O , THE IMPLIED W ARR ANTIES OF MERCHANT ABILIT Y AND FITNESS FOR A P ARTICULAR PURPOSE ARE DISCLAIMED. IN NO E VENT SHALL THE A UTHOR OR CONTRIBUT ORS BE LIABLE FOR ANY DIREC T , INDIREC T , INCIDENT AL, SPECIAL, EXEMPLARY , OR CONSEQUENTIAL DAM AGES (INC[...]