Netgear WGM124 Manuale Utente

December 2004 Version 1.0December 2004NETGEAR, Inc.4500 Great America Parkway Santa Clara, CA 95054 USANETGEAR Wireless Router Setup Manual

NETGEAR Wireless Router Setup Manual2 About This GuideDecember 2004How to Use This ManualThe HTML version of this manual includes the following:• Butt

NETGEAR Wireless Router Setup Manual2 GlossaryDecember 2004Domain NameA descriptive name for an address or group of addresses on the Internet. Domain

NETGEAR Wireless Router Setup ManualGlossary3December 2004MAC addressThe Media Access Control address is a unique 48-bit hardware address assigned to

NETGEAR Wireless Router Setup Manual4 GlossaryDecember 2004Subnetting enables the network administrator to further divide the host part of the address

Index 1Numerics802.11b D-1AAccount Name 3-3Address Resolution Protocol B-8ad-hoc mode D-2Auto MDI/MDI-X B-15Auto Uplink B-15Bbackup configuratio

2 Indexauto-generated 6-3private B-7translating B-9IP configuration by DHCP B-10IP networkingfor Macintosh C-18for Windows C-4, C-9LLEDstroubles

Index 3UUplink switch B-14USB C-20WWEP D-8Wi-Fi D-1, D-4Windows, configuring for IP routing C-4, C-9winipcfg utility C-8WinPOET C-20Wired Equiv

NETGEAR Wireless Router Setup ManualAbout This Guide 3December 2004How to Print this ManualTo print this manual you can choose one of the following se

NETGEAR Wireless Router Setup Manual4 About This GuideDecember 2004

Getting to Know Your NETGEAR Wireless Router 2-1December 2004Chapter 2Getting to Know Your NETGEAR Wireless RouterNETGEAR wireless routers provide con

NETGEAR Wireless Router Setup Manual2-2 Getting to Know Your NETGEAR Wireless RouterDecember 2004The Front PanelThe front panel of the wireless router

Connecting the Router to the Internet 3-1December 2004Chapter 3Connecting the Router to the InternetThis chapter describes how to set up the router on

NETGEAR Wireless Router Setup Manual3-2 Connecting the Router to the InternetDecember 2004Troubleshooting TipsHere are some tips for correcting simple

NETGEAR Wireless Router Setup ManualConnecting the Router to the Internet 3-3December 2004How to Manually Configure Your Internet Connection You can m

NETGEAR Wireless Router Setup Manual3-4 Connecting the Router to the InternetDecember 2004b.Internet IP Address: If your ISP has assigned you a perma

NETGEAR Wireless Router Setup ManualConnecting the Router to the Internet 3-5December 2004Figure 3-2: Basic Settings ISP listNote: Not all ISPs are l

iiDecember 2004© 2004 by NETGEAR, Inc. All rights reserved. December 2004.TrademarksNETGEAR is a trademark of Netgear, Inc. Microsoft, Windows, and Wi

NETGEAR Wireless Router Setup Manual3-6 Connecting the Router to the InternetDecember 2004

Optimizing Wireless Connectivity and Security 4-1December 2004Chapter 4 Optimizing Wireless Connectivity and SecurityThis chapter describes how to con

NETGEAR Wireless Router Setup Manual4-2 Optimizing Wireless Connectivity and SecurityDecember 2004Implement Appropriate Wireless Security Unlike wired

NETGEAR Wireless Router Setup ManualOptimizing Wireless Connectivity and Security 4-3December 2004Understanding Wireless SettingsTo configure the Wire

NETGEAR Wireless Router Setup Manual4-4 Optimizing Wireless Connectivity and SecurityDecember 2004Table 4-1. Basic Wireless Security OptionsField Des

NETGEAR Wireless Router Setup ManualOptimizing Wireless Connectivity and Security 4-5December 2004Information to Gather Before Changing Basic Wireless

NETGEAR Wireless Router Setup Manual4-6 Optimizing Wireless Connectivity and SecurityDecember 2004Default Factory SettingsWhen you first receive your

Doing Basic Router Housekeeping 5-1December 2004Chapter 5Doing Basic Router HousekeepingThis chapter describes how to use some of the maintenance feat

NETGEAR Wireless Router Setup Manual5-2 Doing Basic Router HousekeepingDecember 2004To change the password, first enter the old password, then enter t

NETGEAR Wireless Router Setup ManualDoing Basic Router Housekeeping 5-3December 2004To restore your settings from a saved configuration file, enter th

December 2004iiiBestätigung des Herstellers/ImporteursEs wird hiermit bestätigt, daß das Pre-N Wireless Router WGM124 gemäß der im BMPT-AmtsblVfg 243/

NETGEAR Wireless Router Setup Manual5-4 Doing Basic Router HousekeepingDecember 2004 Figure 5-3: Router Upgrade menuTo upload new firmware:1. Downloa

Troubleshooting Common Problems 6-1December 2004Chapter 6Troubleshooting Common ProblemsThis chapter gives information about troubleshooting your Pre-

NETGEAR Wireless Router Setup Manual6-2 Troubleshooting Common ProblemsDecember 2004Lights Never Turn Off When the router is turned on, the lights tur

NETGEAR Wireless Router Setup ManualTroubleshooting Common Problems 6-3December 2004• Make sure your computer’s IP address is on the same subnet as th

NETGEAR Wireless Router Setup Manual6-4 Troubleshooting Common ProblemsDecember 20043.Under the Maintenance heading, select Router Status4. Check that

NETGEAR Wireless Router Setup ManualTroubleshooting Common Problems 6-5December 2004A DNS server is a host on the Internet that translates Internet na

NETGEAR Wireless Router Setup Manual6-6 Troubleshooting Common ProblemsDecember 2004If the path is not functioning correctly, you could have one of th

NETGEAR Wireless Router Setup ManualTroubleshooting Common Problems 6-7December 2004— Your ISP could be rejecting the Ethernet MAC addresses of all bu

NETGEAR Wireless Router Setup Manual6-8 Troubleshooting Common ProblemsDecember 2004

Technical Specifications A-1December 2004Appendix ATechnical SpecificationsThis appendix provides technical specifications for the Pre-N Wireless Rout

December 2004ivProduct and Publication DetailsModel Number: WGM124Publication Date: December 2004Product Family: routerProduct Name: Pre-N Wireless Ro

NETGEAR Wireless Router Setup ManualA-2 Technical SpecificationsDecember 2004WirelessRadio Data Rates 1, 2, 5.5, 6, 9, 12, 18, 24, 36, 48, and 54 Mbps

Network, Routing, and Firewall Basics B-1December 2004Appendix BNetwork, Routing, and Firewall BasicsThis chapter provides an overview of IP networks,

NETGEAR Wireless Router Setup ManualB-2 Network, Routing, and Firewall BasicsDecember 2004Routing Information ProtocolOne of the protocols used by a r

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-3December 2004Figure B-1: Three Main Address ClassesThe five address cla

NETGEAR Wireless Router Setup ManualB-4 Network, Routing, and Firewall BasicsDecember 2004This addressing structure allows IP addresses to uniquely id

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-5December 2004Subnet addressing allows us to split one IP network address

NETGEAR Wireless Router Setup ManualB-6 Network, Routing, and Firewall BasicsDecember 2004The following table lists the additional subnet mask bits in

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-7December 2004• So that hosts recognize local IP broadcast packetsWhen a d

NETGEAR Wireless Router Setup ManualB-8 Network, Routing, and Firewall BasicsDecember 2004The following figure illustrates a single IP address operati

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-9December 2004If a device sends data to another station on the network and

Contents vDecember 2004ContentsChapter 1 About This GuideAudience, Conventions, and Formats ...

NETGEAR Wireless Router Setup ManualB-10 Network, Routing, and Firewall BasicsDecember 2004IP Configuration by DHCPWhen an IP-based local area network

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-11December 2004Stateful Packet InspectionUnlike simple Internet sharing ro

NETGEAR Wireless Router Setup ManualB-12 Network, Routing, and Firewall BasicsDecember 2004Category 5 Cable QualityCategory 5 distributed cable that m

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-13December 2004Inside Twisted Pair CablesFor two devices to communicate, t

NETGEAR Wireless Router Setup ManualB-14 Network, Routing, and Firewall BasicsDecember 2004Figure B-6: Category 5 UTP Cable with Male RJ-45 Plug at

NETGEAR Wireless Router Setup ManualNetwork, Routing, and Firewall Basics B-15December 2004The wireless router incorporates Auto UplinkTM technology (

NETGEAR Wireless Router Setup ManualB-16 Network, Routing, and Firewall BasicsDecember 2004

Preparing Your Network C-1December 2004Appendix CPreparing Your NetworkThis appendix describes how to prepare your network to connect to the Internet

NETGEAR Wireless Router Setup ManualC-2 Preparing Your NetworkDecember 2004For the initial setup of your router, you will need to connect a computer t

NETGEAR Wireless Router Setup ManualPreparing Your Network C-3December 2004Record Your Internet Connection InformationPrint this page. Fill in the con

December 2004vi ContentsErasing the Configuration ...5-3Upgradin

NETGEAR Wireless Router Setup ManualC-4 Preparing Your NetworkDecember 2004Most operating systems include the software components you need for network

NETGEAR Wireless Router Setup ManualPreparing Your Network C-5December 20042.Double-click the Network icon.The Network window opens, which displays a

NETGEAR Wireless Router Setup ManualC-6 Preparing Your NetworkDecember 2004c.Select Microsoft.d. Select TCP/IP, and then click OK.If you need Client f

NETGEAR Wireless Router Setup ManualPreparing Your Network C-7December 2004Locate your Network Neighborhood icon.• If the Network Neighborhood icon is

NETGEAR Wireless Router Setup ManualC-8 Preparing Your NetworkDecember 2004Selecting Windows’ Internet Access Method1. On the Windows taskbar, click t

NETGEAR Wireless Router Setup ManualPreparing Your Network C-9December 20042.Type winipcfg, and then click OK.The IP Configuration window opens, which

NETGEAR Wireless Router Setup ManualC-10 Preparing Your NetworkDecember 2004DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4You will find ther

NETGEAR Wireless Router Setup ManualPreparing Your Network C-11December 2004• Now you should be at the Local Area Network Connection Status window. Th

NETGEAR Wireless Router Setup ManualC-12 Preparing Your NetworkDecember 2004DHCP Configuration of TCP/IP in Windows 2000 Once again, after you have in

NETGEAR Wireless Router Setup ManualPreparing Your Network C-13December 2004• Click on the My Network Places icon on the Windows desktop. This will b

Contents viiDecember 2004Ethernet Cabling ...B

NETGEAR Wireless Router Setup ManualC-14 Preparing Your NetworkDecember 2004• With Internet Protocol (TCP/IP) selected, click on Properties to open th

NETGEAR Wireless Router Setup ManualPreparing Your Network C-15December 2004DHCP Configuration of TCP/IP in Windows NT4Once you have installed the net

NETGEAR Wireless Router Setup ManualC-16 Preparing Your NetworkDecember 2004• Highlight the TCP/IP Protocol in the Network Protocols box, and click on

NETGEAR Wireless Router Setup ManualPreparing Your Network C-17December 2004Verifying TCP/IP Properties for Windows XP, 2000, and NT4To check your PC’

NETGEAR Wireless Router Setup ManualC-18 Preparing Your NetworkDecember 2004• The default gateway is 192.168.1.14. Type exit Configuring the Macintosh

NETGEAR Wireless Router Setup ManualPreparing Your Network C-19December 20042.If not already selected, select Built-in Ethernet in the Configure list.

NETGEAR Wireless Router Setup ManualC-20 Preparing Your NetworkDecember 2004Verifying the Readiness of Your Internet AccountFor broadband access to th

NETGEAR Wireless Router Setup ManualPreparing Your Network C-21December 2004• An IP address and subnet mask• A gateway IP address, which is the addres

NETGEAR Wireless Router Setup ManualC-22 Preparing Your NetworkDecember 2004If an IP address appears under Installed Gateways, write down the address.

NETGEAR Wireless Router Setup ManualPreparing Your Network C-23December 2004Restarting the NetworkOnce you’ve set up your computers to work with the f

December 2004viii ContentsAppendix D Wireless Networking BasicsWireless Networking Overview ...

NETGEAR Wireless Router Setup ManualC-24 Preparing Your NetworkDecember 2004

Wireless Networking Basics D-1December 2004Appendix DWireless Networking BasicsWireless Networking OverviewThe wireless router conforms to the Institu

NETGEAR Wireless Router Setup ManualD-2 Wireless Networking BasicsDecember 2004Ad Hoc Mode (Peer-to-Peer Workgroup)In an ad hoc network, computers are

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-3December 2004The radio frequency channels used are listed in Table D-1:Note: The ava

NETGEAR Wireless Router Setup ManualD-4 Wireless Networking BasicsDecember 2004WEP Wireless SecurityThe absence of a physical connection between nodes

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-5December 2004• Shared Key Authentication requires that the station and the access po

NETGEAR Wireless Router Setup ManualD-6 Wireless Networking BasicsDecember 2004WEP Shared Key AuthenticationThis process is illustrated in below.Figur

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-7December 2004Key Size and ConfigurationThe IEEE 802.11 standard supports two types o

NETGEAR Wireless Router Setup ManualD-8 Wireless Networking BasicsDecember 2004How to Use WEP ParametersWired Equivalent Privacy (WEP) data encryption

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-9December 2004• Enhanced data privacy• Robust key management• Data origin authenticat

About This Guide 1December 2004Chapter 1 About This GuideThis chapter describes the intended audience, scope, conventions, and formats of this manual.

NETGEAR Wireless Router Setup ManualD-10 Wireless Networking BasicsDecember 2004How Does WPA Compare to IEEE 802.11i? WPA will be forward compatible w

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-11December 2004The primary information conveyed in the Beacon frames is the authentic

NETGEAR Wireless Router Setup ManualD-12 Wireless Networking BasicsDecember 2004WPA Authentication: Enterprise-level User Authentication via 802.1x/E

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-13December 2004Figure D-4: 802.1x Authentication SequenceThe AP sends Beacon Frames

NETGEAR Wireless Router Setup ManualD-14 Wireless Networking BasicsDecember 20043.The client sends an EAP-response packet containing the identity to t

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-15December 2004Temporal Key Integrity Protocol (TKIP)WPA uses TKIP to provide importa

NETGEAR Wireless Router Setup ManualD-16 Wireless Networking BasicsDecember 2004Is WPA Perfect?WPA is not without its vulnerabilities. Specifically, i

NETGEAR Wireless Router Setup ManualWireless Networking Basics D-17December 2004• The new WPA information element To advertise their support of WPA, w

NETGEAR Wireless Router Setup ManualD-18 Wireless Networking BasicsDecember 2004Changes to Wireless Client ProgramsWireless client programs must be up

December 2004Glossary1GlossaryUse the list below to find definitions for technical terms used in this manual.List of Glossary Terms802.11bIEEE specifi