NETGEAR RangeMax 240 Manuel utilisateur

Introduction 2-1

v1.1, January 2006

Chapter 2

Introduction

Congratulations on your purchase of the NETGEAR®RangeMax 240 Wireless Router WPNT834.

The WPNT834 router provides connection for multiple computers to the Internet through an

external broadband access device (such as a cable modem or DSL modem) that is normally

intended for use by a single computer. This chapter describes the features of the NETGEAR

RangeMax 240 Wireless Router WPNT834.

Key Features

The RangeMax 240 Wireless Router WPNT834 with 4-port switch connects your local area

network (LAN) to the Internet through an external access device such as a cable modem or DSL

modem.

The WPNT834 router provides you with multiple Web content filtering options, plus browsing

activity reporting and instant alerts via e-mail. Parents and network administrators can establish

restricted access policies based on time-of-day, Web site addresses and address keywords, and

share high-speed cable/DSL Internet access for up to 253 computers. In addition to the Network

Address Translation (NAT) feature, the built-in firewall protects you from hackers.

With minimum setup, you can install and use the router within minutes.

The WPNT834 router provides the following features:

• RangeMax™ 240 Multiple-Input, Multiple-Output (MIMO) technology

Note: This manual provides information on the complete features as of the date of

publication. Earlier versions of this product may not have all the features presented

in this manual. Go to http://kbserver.netgear.com/products/WPNT834.asp to find

product firmware updates for your WPNT834.

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• 802.11g wireless networking, with the ability to operate in Up to 240 Mbps, Up to 126 Mbps,

802.11g-only, or 802.11b+g modes

• Easy, Web-based setup for installation and management

• Content Filtering and Site Blocking Security

• Built in 4-port 10/100 Mbps Switch

• Ethernet connection to a wide area network (WAN) device, such as a cable modem or DSL

modem

• Extensive Protocol Support

• Login capability

• Front panel LEDs for easy monitoring of status and activity

• Flash memory for firmware upgrades

RangeMax™ 240 Multiple-Input, Multiple-Output (MIMO)

Technology

NETGEAR’s RangeMax 240 Multiple-Input, Multiple-Output (MIMO) technology provides ten

times more coverage than standard 802.11g alone by eliminating “dead spots” in your area of

coverage. Your whole house or office suite now becomes a “hot spot” without requiring any range

extenders, repeaters, or external antennas. RangeMax maintains your high speed throughout your

home, not just when you are close to your router.

RangeMax 240 is a TRUE MIMO (Multiple Input, Multiple Output) technology that uses three

external antennas, capable of transmitting at speeds up to 240 Mbps. It can also transmit two

different data streams on the same channel at the same time, at speeds up to 126 Mbps, if you use

the WPNT511 or WPNT121 Wireless Adapters.

In "Up to 240 Mbps" mode the router uses channel expansion to achieve a data rate of 240 Mbps.

The channel expansion uses the channel selected as the primary channel and expands to a

secondary channel (primary channel + 4 or - 4) to achieve a frame-by-frame bandwidth of

40 MHz. The WPNT834 router detects channel usage and, if necessary, will disable frame-by-

frame expansion to avoid interference with the data transmission from other access points or

clients.

Note: The maximum wireless signal rate is derived from the IEEE Standard 802.11

Specifications. Actual data throughput will vary. Network conditions and

environmental factors, including volume of network traffic, building materials

and construction, and network overhead, lower actual data throughput rate.

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Introduction 2-3

v1.1, January 2006

RangeMax 240 is also 100% compatible with your existing 802.11b/g products (i.e., 802.11b,

802.11g, and Centrino wireless clients) and boosts their range and speed by up to 50%.

802.11g Wireless Networking

The WPNT834 router includes an 802.11g wireless access point, providing continuous, high-speed

240 Mbps access between your wireless and Ethernet devices. The access point provides:

• 802.11g wireless networking at up to 240 Mbps.

• 802.11g wireless networking, with the ability to operate in Up to 240 Mbps, Up to 126 Mbps,

802.11g-only, or 802.11g and b modes, providing backwards compatibility with 802.11b or

802.11g devices or dedicating the wireless network to the higher bandwidth devices.

• 64-bit and 128-bit WEP encryption security.

• WEP keys can be generated manually or by passphrase.

• WPA-PSK and WPA2-PSK support. Support for Wi-Fi Protected Access (WPA) data

encryption which provides strong data encryption and authentication based on a pre-shared

key. WPA-PSK and WPA2-PSK will block eavesdropping. Because these are new standards,

wireless device driver and software availability may be limited.

• Wireless access can be restricted by MAC address.

• Wireless network name broadcast can be turned off so that only devices that have the network

name (SSID) can connect.

A Powerful, True Firewall with Content Filtering

Unlike simple Internet sharing NAT routers, the WPNT834 is a true firewall, using stateful packet

inspection to defend against hacker attacks. Its firewall features include:

• Denial of Service (DoS) protection.

Automatically detects and thwarts DoS attacks such as Ping of Death, SYN Flood, LAND

Attack, and IP Spoofing.

• Blocks unwanted traffic from the Internet to your LAN.

• Blocks access from your LAN to Internet locations or services that you specify as off-limits.

• Logs security incidents.

The WPNT834 will log security events such as blocked incoming traffic, port scans, attacks,

and administrator logins. You can configure the router to E-mail the log to you at specified

intervals. You can also configure the router to send immediate alert messages to your E-mail

address or E-mail pager whenever a significant event occurs.

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2-4 Introduction

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• Keyword screening.

The WPNT834 prevents objectionable content from reaching your computers. The router

allows you to control access to Internet content by screening for keywords within Web

addresses. You can configure the router to log and report attempts to access objectionable

Internet sites.

Security

The WPNT834 router is equipped with several features designed to maintain security, as described

in this section.

• Computers Hidden by NAT.

NAT opens a temporary path to the Internet for requests originating from the local network.

Requests originating from outside the LAN are discarded, preventing users outside the LAN

from finding and directly accessing the computers on the LAN.

• Port Forwarding with NAT.

Although NAT prevents Internet locations from directly accessing the computers on the LAN,

the router allows you to direct incoming traffic to specific computers based on the service port

number of the incoming request, or to one designated “DMZ” host computer. You can specify

forwarding of single ports or ranges of ports.

Autosensing Ethernet Connections with Auto Uplink

With its internal 4-port 10/100 switch, the WPNT834 can connect to either a 10 Mbps standard

Ethernet network or a 100 Mbps Fast Ethernet network. Both the LAN and WAN interfaces are

autosensing and capable of full-duplex or half-duplex operation.

The router incorporates Auto UplinkTM technology. Each Ethernet port will automatically sense

whether the Ethernet cable plugged into the port should have a ‘normal’ connection such as to a

computer or an ‘uplink’ connection such as to a switch or hub. That port will then configure itself

to the correct configuration. This feature also eliminates the need to worry about crossover cables,

as Auto Uplink will accommodate either type of cable to make the right connection.

Extensive Protocol Support

The WPNT834 router supports the Transmission Control Protocol/Internet Protocol

(TCP/IP) and Routing Information Protocol (RIP). For further information about TCP/IP, see

“Wireless Communications” in Appendix B.

• IP Address Sharing by NAT.

Reference Manual for the RangeMax 240 Wireless Router WPNT834

Introduction 2-5

v1.1, January 2006

The WPNT834 router allows several networked computers to share an Internet account using

only a single IP address, which your Internet service provider (ISP) may statically or

dynamically assign. This technique, known as NAT, allows the use of an inexpensive single-

user ISP account.

• Automatic Configuration of Attached Computers by DHCP.

The WPNT834 router dynamically assigns network configuration information, including

IP, gateway, and domain name server (DNS) addresses, to attached computers on the LAN

using the Dynamic Host Configuration Protocol (DHCP). This feature greatly simplifies

configuration of computers on your local network.

• DNS Proxy.

When DHCP is enabled and no DNS addresses are specified, the router provides its own

address as a DNS server to the attached computers. The router obtains actual DNS addresses

from the ISP during connection setup and forwards DNS requests from the LAN.

• PPP over Ethernet (PPPoE).

PPPoE is a protocol for connecting remote hosts to the Internet over a DSL connection by

simulating a dial-up connection. This feature eliminates the need to run a login program such

as Entersys or WinPOET on your computer.

Easy Installation and Management

You can install, configure, and operate the RangeMax 240 Wireless Router WPNT834 within

minutes after connecting it to the network. The following features simplify installation and

management tasks:

• Browser-based management.

Browser-based configuration allows you to easily configure your router from almost any type

of personal computer, such as Windows, Macintosh, or Linux. A user-friendly Setup Wizard is

provided and online help documentation is built into the browser-based Web Management

Interface.

• Smart Wizard.

The WPNT834 router Smart Wizard automatically senses the type of Internet connection,

asking you only for the information required for your type of ISP account.

• Firmware Update.

The WPNT834 router can be updated if a newer version of firmware is available. This lets you

take advantage of product enhancements for your WPNT834 as soon as they become

available.

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2-6 Introduction

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• Visual monitoring.

The WPNT834 router’s front panel LEDs provide an easy way to monitor its status and

activity.

Maintenance and Support

NETGEAR offers the following features to help you maximize your use of the WPNT834 router:

• Flash memory for firmware upgrades.

• Free technical support seven days a week, twenty-four hours a day, for 90 days from the date

of purchase.

NETGEAR Related Products

NETGEAR products related to the RangeMax 240 Wireless Router WPNT834 are as follows:

• RangeMax 240 Wireless Notebook Adapter (WPNT511)

• RangeMax 240 Wireless USB 2.0 Adapter (WPNT121)

Package Contents

The product package should contain the following items:

• RangeMax 240 Wireless Router WPNT834

•ACpoweradapter

• Vertical stand

• Category 5 (CAT5) Ethernet cable

•NETGEAR RangeMax 240 Wireless Router WPNT834 Resource CD, including:

— The Setup manual

— Application Notes and other helpful information

• Wireless Home Router Setup Guide

• Warranty and Support Information Card

• Detachable antenna

If any of the parts are incorrect, missing, or damaged, contact your NETGEAR dealer. Keep the

carton, including the original packing materials, in case you need to return the router for repair.

Reference Manual for the RangeMax 240 Wireless Router WPNT834

Introduction 2-7

v1.1, January 2006

The Router’s Front Panel

The front panel of the WPNT834 router contains the status lights described below.

You can use the status lights to verify connections. Viewed from left to right, the table below

describes the lights on the front panel of the router.

Figure 2-1

Table 2-1. Status Light Descriptions

Item Function Activity Description

1 Power On Blue Solid

Off Power is supplied to the router.

Power is not supplied to the router.

2 Test On

Off

Slow blinking

The router is performing its power-on self-test diagnostic.

The router successfully completed its power on self test diagnostic.

Reset button is being pushed, restoring the factory default settings.

3WirelessOn

Off

Blinking

The wireless interface is enabled.

The wireless interface is turned off.

Data is being communicated over the wireless network.

4 Internet

Port Amber Off

Amber On

Amber blinking

Green off

Green on

Blink

No Ethernet cable is connected to the modem.

Ethernet cable connection to modem is good.

Packets are being transmitted and received from a modem or other

network device, but no IP address has been received.

No IP address received.

IP address received.

IP address received and data is being transmitted and received.

5 LAN Ports Green

Amber The LAN port has detected a 100 Mbps link with an attached device.

The LAN port has detected a 10 Mbps link with an attached device

1 2345

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2-8 Introduction

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The Router’s Rear Panel

The rear panel of the WPNT834 router contains the items listed below.

Viewed from left to right, the rear panel contains the following features:

1. Four Local (LAN) 10/100 Mbps Ethernet ports for connecting the router to the local

computers.

2. Internet (WAN) Ethernet port for connecting the router to a cable or DSL modem.

3. Factory Default Reset push button for “Restoring the Default Configuration and Password” on

page 7-7.

4. AC power adapter outlet for 12V DC @ 1A output, 12W maximum.

5. Antennae.

Figure 2-2

Reference Manual for the RangeMax 240 Wireless Router WPNT834

Introduction 2-9

v1.1, January 2006

A Road Map for ‘How to Get There From Here’

The introduction and adoption of any new technology can be a difficult process. Broadband

Internet service is considered so useful that more and more people want to set up networks in their

home to share a broadband connection. Wireless technology has removed one of the barriers to

networking—running wires. It allows more people to try networking while at the same time

exposes them to the inherent complexity of networking. General networking concepts, setup, and

maintenance can be difficult to understand. In addition, wireless technology adds issues, such as

range, interference, signal quality, and security to the picture.

To help overcome potential barriers to successfully using home networks, the table below

identifies how to accomplish such things as connecting to a wireless network, assuring appropriate

security measures are taken, browsing the Internet through your wireless connection, exchanging

files with other computers and using printers in the combined wireless and wired network.

Table 2-1. A Road Map for How to Get There From Here

If I Want To? What Do I Do? What’s Needed? How Do I?

Set up a

wireless

network

1. Set up the

RangeMax 240

Wireless Router

WPNT834

2. Identifythewireless

network name

(SSID) and, if used,

the wireless

security settings.

3. Set up the wireless

computers with the

settings from step

• A wireless network

• A computer within the

operating range of the

wireless network. For

guidelines about the range

of wireless networks, see

“Observing Performance,

Placement, and Range

Guidelines” on page 4-1.

To set up the WPNT834, see

Chapter 3, “Connecting the

Router to the Internet” and follow

the instructions provided.

To learn about wireless

networking technology, see

Chapter 4, “Wireless

Configuration” for a general

introduction.

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2-10 Introduction

v1.1, January 2006

Protect my

wireless

connection

(from snooping,

hacking, or

information

theft).

1. Assure that the

wireless network

has security

features enabled.

2. Configure my

WPNT834 with the

security settings of

the wireless

network.

3. Use Windows

security features.

• A wirelessnetwork WEP or

WPA security enabled.

• Wireless networking

equipment that supports

WEP or WPA, such as the

WPNT834.

To learn about wireless

networking security, see

“Wireless Communications” in

Appendix B.

To use WEP security features,

see “Implementing Appropriate

Wireless Security” on page 4-2

and configure your WPNT834

accordingly.

Note: Secure Internet sites such as banks and online merchants use encryption security built into browsers

like Internet Explorer and Netscape. Any wireless networking security features you might implement are in

addition to those already in place on secure Internet sites.

Table 2-1. A Road Map for How to Get There From Here (continued)

If I Want To? What Do I Do? What’s Needed? How Do I?

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