Bedienungsanleitung NETGEAR MR814 v3 Netzwerk Router

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202-10039-0 1 202-10039-01 Version 1.0 June 2004 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95 054 USA Reference Manual for the MR814 v3 Cable/DSL Wireless Router.

ii 202-10039-0 1 © 2004 by NETGEAR, Inc. All rights reserved. June 2004. T rademarks NETGEAR is a tr ademark of Netgear , Inc. Microsoft, W indows, and W indow s NT are registered trademar ks of Microsoft Corpo ration. Other brand and product names are registered tradem arks or trad emarks of their respective holders.

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202-10039-0 1 iii Bestätigung des Hers tellers/Importeurs Es wird hiermit bestätigt, daß das MR814 v3 Cable/DSL W ireless Rout er gemäß der im BMP T -AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmun gen entstört ist. Das vorschriftsmäßige Betrei ben einiger Geräte (z.

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202-1003 9-01 iv.

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Contents v 202-10039-01 Content s Chapter 1 About This Manual Audience, Scope, Conventions, and Formats . ......... ................. ............. ................ ........ 1-1 How to Use This Manual ................. ................ ............. .

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202-10039-0 1 vi Contents How to Manually Configure Y our Internet Co nnection ........ ................ ............. ............. 3-13 Using the Smart Setup Wizard ..................... ... ............. ................ ............. .............

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Contents vii 202-10039-01 Chapter 7 Advanced Configurat ion of the Router Configuring for Port Forwarding to Loc al Serv ers ........ ................ ............. ................ ..... 7-1 Adding a Custom Service .......... ... ... ... ............

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202-10039-0 1 viii Contents Appendix A T echnical Specifications Appendix B Network, Routing, Firewall, and Basics Related Publications .... ............. ................ ............. ................ ............. ................ ........... B-1 Basic Router Concepts .

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Contents ix 202-10039-01 Install or V erify Windows Networking Comp onents ................... ....................... ....... C-4 Enabling DHCP to Automatically Configure TC P/IP Settings in Windows 95B, 98, and Me C-6 Selecting Windows’ Internet Access Method .

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202-10039-0 1 x Contents WP A Wireless Security ............. ............. ................ ................ ............. ................ ........... D-8 How Does WP A Compare to WEP? ....... ................ ............. ................ ........

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About This Manual 1 202-10039-01 Chapter 1 About This Manual This chapter describes the intended audience, sc ope, conventions, and formats of this manual. Audience, Scope, Conventions, and Format s This reference manual assumes that the reader h as basic to interme diate computer and Internet skills.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2 About This Manual 202-10039-01 How to Use This Manual The HTML versio n of this manual in cludes a variet y of navigation features as well as links to PDF versions of the full manual and individu al chapters.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router About This Manual 3 202-10039-01 How to Print this Manual T o print this manual you can choose one of the fo llowing several options, a ccording to your needs. • Printing a “How T o” Sequence of S teps in the HTML V iew .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4 About This Manual 202-10039-01.

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Introduction 2-1 202-10039-01 Chapter 2 Introduction This chapter describes the features of the N ETGEAR MR814 v3 Cable/DSL Wireless Router. Key Features of the Router The MR814 v3 Cable/DSL W ireless.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2-2 Introduction 202-10039-01 802.1 1b St andards-based Wireless Networking The MR814 v3 router includes an 802.1 1b-comp liant wireless access point, providing continuous, high-speed 1 1 Mbps access between your wireless and Ethernet devices.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Introduction 2-3 202-10039-01 Security The MR814 v3 ro uter is equipped w ith several f eatures designed to maintain security , as described in this section. • PCs Hidden by NA T NA T opens a temporary path to the Internet fo r requests originating from the local network.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2-4 Introduction 202-10039-01 • Automatic Configuration of Attached PCs by DHCP The MR814 v3 router dynamically assigns netw ork c.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Introduction 2-5 202-10039-01 Maintenance and Support NETGEAR offers the following features to help you max imize your use of the MR814 v .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2-6 Introduction 202-10039-01 The Router ’ s Front Panel The front panel of the MR814 v3 router co ntains the status lights described below . Figure 2-1: MR814 v3 Front Panel Y ou can use the status lights to verify connec tion s.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Introduction 2-7 202-10039-01 The Router ’s Rear Panel The rear panel of the MR814 v3 Cable/DSL W i reless Router contains these port connections.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2-8 Introduction 202-10039-01 range, interference, signal qualit y , and security to the picture.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Introduction 2-9 202-10039-01 Share Windows PC files and printers at home in a combined wireless and wired network. Note: For sharing files and printers on other types of computers like Macintosh or Linux, refer to the product documentation that came with those computers.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2-10 Introduction 202-10039-01.

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Connecting the Router to the Internet 3-1 202-10039-01 Chapter 3 Connecting the Router to the Internet This chapter describes how to set up the router on your local area network (LAN) and connect to the Internet.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-2 Connecting the Router to the Internet 202-10039-01 c. Locate the Ethernet cable (cable 1 in the di agram) th at connects your PC to the modem. Figure 3-1: Disconnect th e Ethernet cable from t he comp uter d.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the Internet 3-3 202-10039-01 Note: Place the MR814 v 3 router in a location which conforms to the “Observe Performance, Placemen t, and Range Guidelines” on page 4-1 .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-4 Connecting the Router to the Internet 202-10039-01 Figure 3-4: V erify the connec tions according to the st atus light s on t he router d. Check the router status light s to verify the following: • Power : The power light should turn solid green.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the Internet 3-5 202-10039-01 In its factory default state, the router will automatically display the NETGEAR Smart W izard configuration assistant welcome pa ge.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-6 Connecting the Router to the Internet 202-10039-01 c. Follow the instructions on the screen to enable the wireless feature. Figure 3-6: Enable the wireless feature d. Enable your wireless network, click Next to proceed, then click Done to finish.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the Internet 3-7 202-10039-01 Now , Set Up a Computer for Wireless Connectivity Y ou are now connected to the Interne t and the wi reless feature of the router is enable d! Next, configure your wireless computer .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-8 Connecting the Router to the Internet 202-10039-01 T roubleshooting Tip s Here are some tips for correctin g simple problems you may have.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the Internet 3-9 202-10039-01 Overview of How to Access the Router The table below describes how you access the ro uter, de pending on the state of the router. T able 3-1.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-10 Connecting the Router to the Intern et 202-10039-01 How to Log On to the Router Af ter Configuration Settings Have Been Applied 1. Connect to the router by typing http://www .routerlogin.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the In te rn et 3-11 202-10039-01 Figure 3-9: Login result: MR814 v3 home p age The browser will then display th e MR814 v3 settings home page.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-12 Connecting the Router to the Intern et 202-10039-01 How to Byp ass the Configuration Assistant 1. When the router is in the fac tory default state, type http://www .routerlogin.net/basicsetting.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the In te rn et 3-13 202-10039-01 How to Manually Configure Y our Internet Connection Y ou can manually configure your router using the menu below , or you can allow the Setup W izard to determine your config uration as described in the previo us section.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-14 Connecting the Router to the Intern et 202-10039-01 2. For security reasons, the router has its own us e r name and password. When prompted, enter admin for the router user name and pas s w o r d for the router passwo rd, both in lower case letters.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Connecting th e Rou te r to the In te rn et 3-15 202-10039-01 Note: After you finish setting up your router , you w ill no longer need to launch the ISP’ s login program on your computer in order to acce ss the Internet.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 3-16 Connecting the Router to the Intern et 202-10039-01 2. For security reasons, the router has its own us e r name and password. When prompted, enter admin for the router user name and pas s w o r d for the router passwo rd, both in lower case letters.

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Wireless Configuration 4-1 202-10039-01 Chapter 4 Wireless Configuration This chapter describes how to configure the wire less features of your MR814 v3 router.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-2 Wireless Configuration 202-10039-01 Implement Appropriate Wireless Security Unlike wired network data, your wireless data transmissions can be rece ived well beyond your walls by anyone with a compatib le adapter .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4-3 202-10039-01 • T urn Off the Wir eless LAN. If you disable the wireless LAN, wireless devices ca nnot communicate with the router at all.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-4 Wireless Configuration 202-10039-01 Figure 4-2: Wire less Settings menu • Name (SSID). The SSID is also known as the wireless network name. Enter a value of up to 32 alphanumeric characters.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4-5 202-10039-01 T able 4-1. Security Options Field Description Disable No wireless security . WEP WEP offers the following options: • Automatic Normally , this can be left to the default setting of automatic.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-6 Wireless Configuration 202-10039-01 Advanced Wireless Settings T o configure the advanced wire less settings of y our firewall, click the W i rele ss Setup link in the Advanced section of the main me nu of the browser interface.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4-7 202-10039-01 Information to Gather Before Changing Basic Wireless Settings Before customizing your wireless settings, print th is form and record the following information.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-8 Wireless Configuration 202-10039-01 • If WP A-PSK Authentication is Used. – Passphrase : ____________ __ ___________ __ ___ These characters ar e case sensitive. Enter a word or group of printable ch aracters.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4-9 202-10039-01 3. Choose a suitable descriptive name for the wire less network name (SSID). In the SSID box, enter a value of up to 32 alphanumeric characters. The default SSID is NETGEAR.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-10 Wireless Configur ation 202-10039-01 How to Configure WEP T o configure WEP data encr yption, follow these steps: 1.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4 -11 202-10039-01 4. Select the Authentication T ype and Encryptions strength from the drop-d own lists. 5. Y ou can manually or a utomatically program the four data encryption keys.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-12 Wireless Configur ation 202-10039-01 Figure 4-6: WP A Settings menu 2. Enter a word or group of 8-63 printable characters in the Password Phrase box. 3. Click Apply to save your settings.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Configuration 4 -13 202-10039-01 Figure 4-7: Wirele ss Card Access List Setup 4. Click the T urn Access Control On check box. 5. Click Add to add a wireless device to the wireless access control list.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 4-14 Wireless Configur ation 202-10039-01.

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Content Filtering 5-1 202-10039-01 Chapter 5 Content Filtering This chapter describes how to u se the content filtering features of the MR814 v3 Cable/DSL W ireless Router to protect your network. These features can be fo und by clicking on the Content Filtering heading in the Main Menu of the browser interface.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 5-2 Content Filtering 202-10039-01 Blocking Access to Internet Sites The MR814 v3 router allo ws you to restrict access based on web addresses and we b addre ss keywords. Up to 255 entries are supported in the Keyword list.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Content Filtering 5-3 202-10039-01 • If the keyword “.com” is specified, only W eb s ites with other domain suffix es (such as .edu or .gov) can be viewed. • If you wish to block al l Internet browsing access during a sch eduled period, enter th e keyword “.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 5-4 Content Filtering 202-10039-01 T o specify a service for blocking, click Add. Th e Add Services menu will appear, as shown below: Figure 5-3: Add Services menu From the Service T ype list, selec t the application or service to be allowed or blocked.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Content Filtering 5-5 202-10039-01 Configuring Services Blocki ng by IP Address Range Under “Filter Services For”, you can block the specified service for a single PC, a range of PCs (having consecutive IP addresses), or all PCs on your network.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 5-6 Content Filtering 202-10039-01 V iewing Logs of We b Access or Attempted We b Access The log is a detailed record of what W eb sites yo u have accessed or attempte d to access. Up to 128 entries are stored in the log.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Content Filtering 5-7 202-10039-01 Log action buttons are described in Ta b l e 5 - 2 Configuring E-Mail Alert and W eb Access Log Notific.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 5-8 Content Filtering 202-10039-01 • T urn e-mail notification on Check this box if you wish to receive e-mail logs and alerts from the router . • Y ou r outgoing mail server Enter the name of your ISP’ s outgoing (SMTP) mail server (such as mail.

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Maintenance 6-1 202-10039-01 Chapter 6 Maintenance This chapter describes how to use the mainte nance features of your MR814 v3 Cable/DSL W irele ss Router. These features can be found by cl icking on the Maintenanc e heading in the Main Menu of the browser interface.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 6-2 Maintenance 202-10039-01 This screen shows the following parameters: T able 6-1. Router St atus Fields Field Description Account Name This field displays the Host Name assigned to the router .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Maintenanc e 6-3 202-10039-01 Click on the “Show Connection St atus” button to display the connection status, as shown below . Figure 6-2: Connectio n S tatus screen This screen shows the following statistics:.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 6-4 Maintenance 202-10039-01 Click on the “Show St atistics” button to displa y router usage statistics, as shown below .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Maintenanc e 6-5 202-10039-01 V iewing a List of Att ached Devices The Attached Devices menu contains a table of all IP devic es that the router ha s discovered on the local network.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 6-6 Maintenance 202-10039-01 From the Main Menu of the brow ser interface, under the Maintenan ce heading, select the Settings Backup heading to b ring up the menu sho wn below .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Maintenanc e 6-7 202-10039-01 Erasing the Configuration It is sometimes desirable to restore the router to a known blank condition. This can be done by using the Erase function, which will restore al l factory settings.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 6-8 Maintenance 202-10039-01 From the Main Menu of the browser interfa ce, under the Maintenance heading, select the Route r Upgrade heading to displa y the menu sh own below . Figure 6-6: Router Upgrade menu T o upload new firmware: 1.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Maintenanc e 6-9 202-10039-01 The default password for the router ’ s W eb Configuration Manager is password . Netgear recommends that you ch ange this password to a more secure password.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 6-10 Maintenance 202-10039-01.

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Advanced Configuration of the Router 7-1 202-10039-01 Chapter 7 Advanced Configuration of the Router This chapter describes how to configure the ad vanced features of your MR814 v3 Cable/DSL W irele ss Router. The se features can be found under the Advanced heading in the Main Menu of the browser interface.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-2 Advanced Configuration of the Router 202-10039-01 Use the Port Forwarding m enu to configure the router to forward inco ming protocols to comp uters on your local network.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Configur ation of the Router 7-3 202-10039-01 Editing or Deleting a Port Forwarding Entry T o edit or delete a Port Forwarding entry , follow these steps. 1. In the table, select the butto n next to the service name.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-4 Advanced Configuration of the Router 202-10039-01 4. T ype the same port number in the End Port box th at you typed in the S tart Port box. 5. T ype the IP address of the additional co mputer in the Server IP Address box.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Configur ation of the Router 7-5 202-10039-01 The W AN Setup menu, shown below lets you configure a Default DMZ Server . Figure 7-2: W AN Setup menu. T o assign a computer or server to be a Default DMZ serve r , follow these steps: 1.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-6 Advanced Configuration of the Router 202-10039-01 Using the LAN IP Setup Options The second feature category under the Advanced heading is LAN IP Setup. This menu allows configuration of LAN IP services such as DHCP and RIP .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Configur ation of the Router 7-7 202-10039-01 These addresses are part of the IETF-designated private address range for use in private networks, and should be suitabl e in most applications.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-8 Advanced Configuration of the Router 202-10039-01 Using the Router as a DHCP server By default, the router will function as a DH.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Configur ation of the Router 7-9 202-10039-01 2. In the IP Address box, type the IP ad dress to assign to the PC or server . (choose an IP address from the router ’ s LAN subnet , such as 192.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-10 Advanced Configuration of the Router 202-10039-01 2. Select the Use a dynamic DNS service check box. 3. Select the name of your dy namic DNS Service Provider . 4. T ype th e Hos t Name (or domain name) that yo ur dynamic DNS service provider ga ve you.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Conf igu ra tio n of the Rout er 7-11 202-10039-01 1. Click the Add button to open the Add/Edit Menu, shown below . Figure 7-5. St atic Route Entry and Edit Menu 2. T ype a route name for this static route in the Rout e Name box under the table.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-12 Advanced Configuration of the Router 202-10039-01 When you first configure d your router , two implic it static routes were crea ted. A default route was created with your ISP as the gateway , and a second static route was created to your local network for all 192.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Advanced Conf igu ra tio n of the Rout er 7-13 202-10039-01 b. T o allow access from a range of IP addresses on the Internet, select IP address range. Enter a beginning and end ing IP address to defi ne the allowed range.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 7-14 Advanced Configuration of the Router 202-10039-01 From the Main Menu of the bro wser interface, under Advanced, cli ck on UPnP . Set up UPnP according to the guidelines below . T urn UPnP On: UPnP can be enable d or disabled fo r automatic devic e configuration.

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Troubleshooting 8-1 202-10039-01 Chapter 8 T roubleshooting This chapter gives information about troubleshooting your MR814 v3 Cable/DSL W ireless Router. After each problem description, instructio ns are provided to help you diagnose and sol ve the problem.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 8-2 Troubleshooting 202-10039-01 Light s Never T urn Off When the router is turned on, th e lights turns on for about 10 secon ds and then turn of f. If all the lights stay on, there is a fault within the router .

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Reference Manua l for the MR814 v3 Cable/DSL Wir eless Router Troubleshooting 8-3 202-10039-01 T roubleshooting the Web Configuration Interface If you are unable to access the router ’ s web Config .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 8-4 Troubleshooting 202-10039-01 T roubleshooting the ISP Connection If your router is unable to access the Internet, you should first determine whether the router is able to obtain a W AN IP address from the ISP .

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Reference Manua l for the MR814 v3 Cable/DSL Wir eless Router Troubleshooting 8-5 202-10039-01 Inform your ISP that yo u have bought a new network d evice, and ask them to use the router’ s MAC address. OR Configure your router to spoof your computer ’ s MAC address.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 8-6 Troubleshooting 202-10039-01 3. Click on OK. Y ou should see a message like this one: Pinging <IP address> with 32 bytes o.

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Reference Manua l for the MR814 v3 Cable/DSL Wir eless Router Troubleshooting 8-7 202-10039-01 — Check to see that the network address of your computer (the portion of the IP address specified by the netmask) is different fro m the network address of the remote device.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 8-8 Troubleshooting 202-10039-01 Problems with Date and Time The E-Mail menu in the Content F iltering section displays the curr ent date and time of day .

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Technical Specifications A-1 202-10039-01 Appendix A T echnical S pecifications This appendix provides technical specifications for the MR814 v3 Cable/DSL W ireless Router.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r A-2 Technical Specifications 202-10039-01 VCCI Class B EN 55 022 (CISPR 22 ), Class B Interface S p ecifications LAN: 10BASE-T or 100BASE-Tx, RJ-45 W AN: 10BASE-T , RJ-45 Wir eless Radio Data Rate 1 , 2, 5.

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Network, Routing, Firewall, and Basics B-1 202-10039-01 Appendix B Network, Routing, Firewall, and Basics This chapter provides an overview of IP networks, routing, and n etworking. Related Publications As you read this document, you may be dire cted to various RF C documents for further information.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-2 Network, Routing, Firewall, and Basics 202-10039-01 Routing Information Protocol One of the protocol s used b y a rout er to b uild an d maintain a picture of the network is the Routing Information Protocol (RIP).

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Firewall, and Basics B-3 202-10039-01 Figure B-1: Three Main Address Classes The five address classes are: • Class A Class A addresses can have up to 16,777,214 hosts on a single network.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-4 Network, Routing, Firewall, and Basics 202-10039-01 This addressing structure allows IP addresses to uniquely identify each phys ical network and each node on each ph ysical network .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Firewall, and Basics B-5 202-10039-01 Subnet addressing al lows us to split one IP network ad dress into smaller multiple physical networks known as sub networks. Some of the node numbers are used as a su bnet number instead.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-6 Network, Routing, Firewall, and Basics 202-10039-01 The following table lists the additional subnet mask bits in dotted-decimal notation.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Firewall, and Basics B-7 202-10039-01 • So that hosts recognize local IP broadcast packets When a device broadcasts to its segment neighb ors, it uses a destination address of the local network address with all ones for the host address.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-8 Network, Routing, Firewall, and Basics 202-10039-01 The following figure illustrates a single IP address operation.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Firewall, and Basics B-9 202-10039-01 If a device sends data to another station on the network and the destination MAC address is not yet recorded, ARP is used. An ARP request is broadcast onto the network.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-10 Network, Routing, Firewall, and Basics 202-10039-01 IP Configuration by DHCP When an IP-based local area network is installed, each computer must be configured with an IP address.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Fi rewall, and Basics B-11 202-10039-01 St ateful Packet Inspection Unlike simple Internet sharing rout ers, a firewall uses a process ca ll ed stateful packet inspection to ensure secure firewall filtering to protect your network from attacks and intrusions.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-12 Network, Routing, Firewall, and Basics 202-10039-01 Category 5 Cable Quality Category 5 distributed cable that me ets ANSI/EIA/ TIA-568-A building wiring stan dards can be a maximum of 328 feet (ft.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Fi rewall, and Basics B-13 202-10039-01 Inside T wisted Pair Cables For two devices to communicate, th e transmitter of each device must be connected to the receiver of the other device.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-14 Network, Routing, Firewall, and Basics 202-10039-01 Figure B-6: Category 5 UTP Cable with Male RJ-45 Plug at Each End Note : Flat “silver satin” tele phone cable may have the same RJ-45 pl ug.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Network, Routing, Fi rewall, and Basics B-15 202-10039-01 The MR814 v3 router in corporates Auto Uplink TM technology (also called MDI/MDIX). Each LOCAL Ethernet port will automati cally sense whether the Ethernet cable pl ugged into the port should have a normal con nection (e.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r B-16 Network, Routing, Firewall, and Basics 202-10039-01.

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Preparing Your Netwo rk C-1 202-10039-01 Appendix C Prep aring Y our Network This appendix describes how to prepare you r ne twork to connect to the Int ernet through the MR814 v3 Cable/DSL W ireless Router and how to v erify the readiness of b roadband Internet service from an Internet service provider (ISP).

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-2 Preparing Yo ur Network 202-10039-01 For the initial setup of your rout er , you will need to connect a computer to the router . This computer has to be set to automatically get it s TCP/IP configuration from the router via DHCP .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-3 202-10039-01 Record Y our Internet Co nnection Information Print this page.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-4 Preparing Yo ur Network 202-10039-01 Most operating systems include the software comp onents yo u n eed for networking with TCP/IP: •W i n d o w s ® 95 or later includes the software compon ents for establishing a TCP/IP network.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-5 202-10039-01 The Network window o pens, which disp lays a list of install ed components: Y ou must have an Ethernet adapter , the TCP/IP protocol, and Client for Microsoft Networks.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-6 Preparing Yo ur Network 202-10039-01 d. Select TCP/IP , and then click OK. If you need Client for Micro soft Networks: a. Click the Add button. b. Select Client, and then click Ad d.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-7 202-10039-01 Locate your Network Neighborhood icon. • If the Network Neighborho od icon is on the W indows desktop, posi tion your mouse pointer over i t and right-click your mo use button.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-8 Preparing Yo ur Network 202-10039-01 Selecting Windows’ In ternet Access Method 1. On the W indows taskbar , click the Start button, point to Settings, and th en click Control Panel.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-9 202-10039-01 2. Ty p e winipcfg , and then click OK. The IP Configuration window opens, which lists (a mong other things), your IP address, subnet mask, and default gateway .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-10 Preparing Your Network 202-10039-01 DHCP Configuration of TCP/IP in Windows XP , 2000, or NT4 Y ou will find there are many similarities in th e procedures for different W indows systems when using DHCP to configure TCP/IP .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-11 202-10039-01 • Now you should be at the Local Area Network Connection S tatus window . This box displays the conn ection status, duration, speed, and activity statistics.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-12 Preparing Your Network 202-10039-01 DHCP Configuration of TC P/IP in Windows 2000 Once again, after you have installed the network card, TCP/IP for W indows 2000 is con figured. TCP/IP should be added by de fault and set to DHCP without your having to configure it.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-13 202-10039-01 • Click on the My Network Places icon on the W indows desktop. This will bring up a window called Network and Dial-up Connectio ns. • Right click on Local Ar ea Connection and select Properties .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-14 Preparing Your Network 202-10039-01 • W ith Internet Protocol (TCP/IP) selected, click on Properties to open the Internet Protocol (TCP/IP) Propert ies dialogue box. • V erify that • Obtain an IP address automatically is selected.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-15 202-10039-01 DHCP Configuration of TCP/IP in Windows NT4 Once you have installed the network card, you need to co nfigure the TCP/IP environ ment for W indows NT 4.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-16 Preparing Your Network 202-10039-01 • Highlight the TCP/IP Pr otocol in the Network Protocols box, and click on the Properties button.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-17 202-10039-01 V erifying TCP/IP Properties fo r Windows XP , 2000, and NT4 T o check your PC’ s TCP/IP configuration: 1. On the W indows taskbar , click the Start button, and then click Run.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-18 Preparing Your Network 202-10039-01 • The default gateway is 192.168.0.1 4. Ty p e exit Configuring the Macintos h for TCP/IP Networking Beginning with Macintosh Operating System 7 , TCP/ IP is already installed on the Macintosh.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-19 202-10039-01 2. If not already selected, select Built- in Ethernet in the Configure list. 3. If not already selected, Select Using DHCP in the TCP/IP tab. 4. Click Save.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-20 Preparing Your Network 202-10039-01 V erifying the Readiness of Y our Internet Account For broadband access to the Internet, you need to contract with an Internet service provider (ISP) for a single-user Internet access account using a cable modem or DSL mode m.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-21 202-10039-01 • An IP address and subnet mask • A gateway IP address, which is the address of the ISP’ s.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-22 Preparing Your Network 202-10039-01 If an IP address appears under Installed Gatewa ys, write down the address. This is the ISP’ s gateway address. Select the address and then click Remove to remove the gateway address.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Preparing Your Netwo rk C-23 202-10039-01 Rest arting the Network Once you’ve set up yo ur computers to work with the fi rewall, you must reset the network for the devices to be able to communicat e correctly .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r C-24 Preparing Your Network 202-10039-01.

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Wireless Networking Basics D-1 202-10039-01 Appendix D Wireless Networking Basics This chapter provides an overview of W ireless networking. Wireless Networking Overview The MR814 v3 router conforms to the Inst itute of Electrical and Electronics Engineers (IEEE) 802.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-2 Wireless Networking Basics 202-10039-01 Ad Hoc Mode (Peer- to-Peer Workgroup) In an ad hoc network, computers are brought together as needed; thus, there is no structure or fixed points to the network - each node can g enerally communicate with any ot her node.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-3 202-10039-01 The radio frequency channels used are listed in Ta b l e 8 - 3 : Note: The av ailable channe ls sup ported by the wireless products in various countries are dif ferent.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-4 Wireless Networking Basics 202-10039-01 Authentication and WEP The absence of a ph ysical connection between no des makes the wireless links vulnerable to eavesdropping and information theft.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-5 202-10039-01 • Shared Key Authentication requires that the station and the access point have the same WEP Key to authenticate. These two authentication procedures are described below .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-6 Wireless Networking Basics 202-10039-01 5. The station co nn ec ts to the network.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-7 202-10039-01 3. Use WEP for Authentication and Encryption: A transmitting 802.1 1b device encrypts the data portion of every packet it sen ds using a configured WEP Key .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-8 Wireless Networking Basics 202-10039-01 WEP Configuration Options The WEP settings must match on all 802.1 1b devices that are within the same wireless network as identified by the SSID.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-9 202-10039-01 The W i-Fi Alliance is now perform ing interoperability certificatio n testing on W i-Fi Protected Access products. Starting August of 2003, all new Wi-Fi certified products will have to support WP A.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-10 Wireless Networking B asics 202-10039-01 How Does WP A Compare to IEEE 802.1 1i? WP A will be forward compatible with the IEEE 802.1 1i security specification currently under development.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-11 202-10039-01 The primary information conveyed in the Beacon frames is the authentication method and the cipher suite. Possible authentication methods in clude 802.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-12 Wireless Networking B asics 202-10039-01 WP A Authentication: Enterprise-level User Authentication via 802.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-13 202-10039-01 Figure D-2: 802.1x A uthenticat ion Sequenc e The AP sends Beacon Frames with WP A informa tion element to the stations in the service set. Information ele ments include th e required authent ication method (802.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-14 Wireless Networking B asics 202-10039-01 3. The client sends an EAP-response packet containing the identity to the authentication server .

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-15 202-10039-01 T emporal Key Integrity Protocol (TKIP) WP A uses TKIP to provide important data encr yption .

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-16 Wireless Networking B asics 202-10039-01 Is WP A Perfect? WP A is not without its vulnerabiliti es.

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Reference Manua l for the MR814 v3 Cable/DSL Wirele ss Router Wireless Networking Basics D-17 202-10039-01 • The new WP A information element T o advertise their support of WP A, wireless APs send the beacon frame with a new 80 2.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r D-18 Wireless Networking B asics 202-10039-01 Changes to Wireless Client Programs W ireless client programs must be updated to pe rmit the configuration of WP A authentication (and preshared key) and the n ew WP A encryption algorithms (TKIP and the optional AES co mponent).

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202-10039-0 1 Glossary 1 Glossary 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Et hernet over twisted pair wiring.

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Reference Ma n ual for the MR 814 v3 Cable/D SL Wir ele ss Ro ute r 2 Glossary 202-10039-0 1 Internet Protocol The main internetworking protocol used in the Internet. Used in con junct ion with the T ransfer Control Protocol (TCP) to form TCP/IP . LAN See local area network.

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