Network Everywhere NWR04B Manuale utente

Linksys are registered trademarks of Linksys. Microsoft, Windows, and the Windows

logo are registered trademarks of Microsoft Corporation. All other trademarks and brand

names are the property of their respective proprietors.

LIMITED WARRANTY

Network Everywhere guarantees that every Wireless Cable/DSL Router will be free from

physical defects in material and workmanship for one year from the date of purchase,

when used within the limits set forth in the Specifications section of this User Guide. If the

product proves defective during this warranty period, call Network Everywhere Technical

Support in order to obtain a Return Authorization number. BE SURE TO HAVE YOUR

PROOF OF PURCHASE ON HAND WHEN CALLING. When returning a product, mark

the Return Authorization number clearly on the outside of the package and include a

copy of your original proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED

WITHOUT PROOF OF PURCHASE. All customers located outside of the United States

of America and Canada shall be held responsible for shipping and handling charges.

IN NO EVENT SHALL NETWORK EVERYWHERE’S LIABILITY EXCEED THE PRICE PAID

FOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSE-

QUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOM-

PANYING SOFTWARE, OR ITS DOCUMENTATION. NETWORK EVERYWHERE OFFERS

NO REFUNDS FOR ITS PRODUCTS. Network Everywhere makes no warranty or repre-

sentation, expressed, implied, or statutory, with respect to its products or the contents or

use of this documentation and all accompanying software, and specifically disclaims its

quality, performance, merchantability, or fitness for any particular purpose. Network

Everywhere reserves the right to revise or update its products, software, or documenta-

tion without obligation to notify any individual or entity. Please direct all inquiries to:

Network Everywhere P.O. Box 18558, Irvine, CA 92623.

FCC STATEMENT

The Wireless Cable/DSL Router has been tested and complies with the specifications for

a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses, and can radiate radio frequency energy and, if not

installed and used according to the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a par-

ticular installation. If this equipment does cause harmful interference to radio or television

reception, which is found by turning the equipment off and on, the user is encouraged to

try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment or devices

• Connect the equipment to an outlet other than the receiver’s

• Consult a dealer or an experienced radio/TV technician for assistance

UG-NWR04B-110602NC KL

Wireless Cable/DSL Router

Chapter 6:The Router’s Web-based Utility 26

Overview 26

Logging In 26

Setup 27

Password 32

Status 33

DHCP 34

Log 35

Help 36

Advanced 37

IP Filtering 38

Forwarding 41

Dynamic Routing 47

Static Routing 48

DMZ Host 50

MAC Address Clone 51

Wireless 52

AppendixA:Troubleshooting 55

Common Problems and Solutions 55

Frequently Asked Questions 67

Appendix B: How to Ping Your ISP’s E-mail and WebAddresses 73

Appendix C: Configuring Wireless Security 76

Configuring Wireless Security in Windows XP 79

Appendix D: Finding the MAC Address

and IP Address for Your EthernetAdapter 84

Appendix E: Glossary 88

Appendix F: Specifications 97

Environmental 97

Appendix G: Warranty Information 98

Appendix H: Contact Information 99

Network Everywhere®Series

Table of Contents

Chapter 1: Introduction 1

The Wireless Cable/DSL Router 1

Features 1

An Introduction to LANs and WANs 2

IP Addresses 2

The Router’s Ports 4

The Router’s LEDs 5

Chapter 2: PlanningYour Wireless Network 7

Network Topology 7

Roaming 7

Chapter 3: Connecting the Router 8

Before You Start 8

Connecting Your Hardware Together and Booting Up 8

Chapter 4: Configuring the PCs 10

Overview 10

Configuring Windows 98 SE and Millennium PCs 10

Configuring Windows 2000 PCs 12

Configuring Windows XP PCs 14

Chapter 5: Using the SetupWizard 16

Before You Start 16

The Setup Wizard’s Title Screen 16

Preparing to Set Up 17

Setting Up the Router with a Cable Connection 18

Setting Up the Router with a DSL Connection 22

Wireless Cable/DSL Router

Chapter 1:Introduction

Think of the Network Everywhere Wireless Cable/DSL Router as a kind of

"splitter" for your Internet connection. Just connect your DSL or Cable

Modem to the Router, and all the computers in your household can share the

Internet -- all at the same time. You can connect your home computers to the

Router with Ethernet cables, or put wireless network adapters in them and com-

municate over radio waves, saving the trouble and expense of running cables

through your house.

Once your computers are connected to the Router, they can communicate with

each other too, sharing resources and files. All your computers can print on a

shared printer connected anywhere in the house. And your computers can share

all kinds of files -- music, digital pictures, and documents. Keep all your dig-

ital music on one computer, and listen to it anywhere in the house. Organize

all of your family's digital pictures in one place, to simplify finding the ones

you want, and easing backup to CD-R. Utilize extra free space on one com-

puter when another's hard drive starts to fill up.

Your home network is secure, too. All wireless communications are protected

by 128-bit encryption. Internet Firewall packet filters keep intruders out, and

block attacks. Parental Controls help you protect your family.It's all easier than

you think -- the included SetupWizard takes you through configuring your net-

work, step by step. With the Network Everywhere Wireless Cable/DSL Router

at the heart of your home network, you don't need to be a networking genius to

share printers, files, and your Internet connection -- with or without wires.

• Supports Universal Plug and Play (UPnP)

• Internet access logging

• Easy to use setup utility or configure through your networked PC’s Web

browser

• Supports SNTP (Simple Network Time Protocol)

• Internet access control (Parental Controls), by time-of-day or by day of the

week

• Port Trigger function for Internet applications with special requirements

• Remote administration and upgrade feature

• Supports static routing and dynamic routing protocol RIP1/RIP2

• Denial of Service(Dos) Prevention

• Context sensitive configuration help

The Wireless Cable/DSL Router

Features

Network Everywhere®Series

Simply put, a router is a network device that connects two networks together.

In this instance, the Router connects your Local Area Network (LAN), or the

group of PCs in your home or office, to the Wide Area Network (WAN) that is

the Internet. The Router processes and regulates the data that travels between

these two networks.

Think of the Router as a network device with two sides. The first side is made

up of your private Local Area Network (LAN) of PCs. The other, public side

is the Internet, or the Wide Area Network (WAN), outside of your home or

office.

The Router’s firewall (NAT) protects your network of PCs so users on the pub-

lic, Internet side cannot “see” your PCs. This is how your LAN, or network,

remains private. The Router protects your network by inspecting the first pack-

et coming in from the Internet port before delivery to the final destination on

the LAN port. The Router inspects Internet port services like the web server,

ftp server, or other Internet applications, and, if allowed, it will forward the

packet to the appropriate PC on the LAN side.

What’s an IP Address?

IP stands for Internet Protocol. Every device on an IP-based network, includ-

ing PCs, print servers, and routers, requires an IP address to identify its “loca-

tion,” or address, on the network. This applies to both the Internet and LAN

connections.

There are two ways of assigning an IP address to your network devices.

Static IP Addresses

A static IP address is a fixed IP address that you assign manually to a PC or

other device on the network. Since a static IP address remains valid until you

disable it, static IP addressing insures that the device assigned it will have that

same IP address until you change it. Static IP addresses are commonly used

with network devices such as server PCs or print servers.

If you use the Router to share your cable or DSL Internet connection, contact

your ISP to find out if they have assigned a static IP address to your account.

If so, you will need that static IP address when configuring the Router.You can

get the information from your ISP.

IP Addresses

An Introduction to LANs and WANs

Dynamic IP Addresses

A dynamic IP address is automatically assigned to a device on the network,

such as PCs and print servers. These IP addresses are called “dynamic”

because they are only temporarily assigned to the PC or device. After a certain

time period, they expire and may change. If a PC logs on to the network (or the

Internet) and its dynamic IP address has expired, the DHCP server will assign

it a new dynamic IP address.

For DSL users, many ISPs may require you to log on with a user name and

password to gain access to the Internet. This is called “Point to Point Protocol

over Ethernet” or PPPoE. PPPoE is similar to a dial-up connection but does not

have a phone number to dial into, and PPPoE is a dedicated high-speed con-

nection. PPPoE also will provide the Router with a dynamic IP address to

establish a connection to the Internet.

DHCP (Dynamic Host Configuration Protocol) Servers

DHCP frees you from having to assign IP addresses manually every time a new

user is added to your network. PCs and other network devices using dynamic

IP addressing are assigned a new IP address by a DHCP server. The PC or net-

work device obtaining an IP address is called the DHCP client. The Router’s

Internet port is, by default, set as a DHCP client.

DHCP servers can either be a designated PC on the network or another network

device, such as the Router. By default, a DHCP server is enabled on your

Router’s LAN ports. If you already have a DHCP server running on your net-

work, you must disable one of the two DHCP servers. If you run more than one

DHCP server on your network, you will experience network errors, such as

conflicting IP addresses. To disable the Router’s DHCP function, see the

DHCP section in Chapter 6: The Router’s Web-Based Utility.

NNoottee::Even if you assign a static IP address to a PC, other PCs can still use

DHCP’s dynamic IP addressing, as long as the static IP is not within the

DHCP range of the LAN IP Address.

If the Router’s DHCP function fails to provide a dynamic IP address for any

reason, please refer to Appendix A: Troubleshooting.

The Router’s rear panel (as shown in Figure 1-1) is where all of its connections

are made.

Internet The Internet Port is where you will connect your cable or

DSL modem with an Ethernet cable. Your modem con-

nection will not work from any other port.

Ports 4, 3, 2 These four LAN (Local Area Network) ports are where

you will connect networked devices, such as PCs, print

servers, and any other Ethernet devices you want to put

on your network. If Port 1 is being used, the Uplink Port

will not work.

Port 1/Uplink Port The Uplink Port is where you can expand your network

by connecting to a switch. Uplinking to a switch is done

by simply running a cable from the Uplink Port to the

other device. The Uplink Port is shared with Port 1.

Pushing in the Uplink button allows this port to be used

as the Uplink port. If the Uplink button is not pushed in,

this port functions the same as Ports 4, 3, and 2.

Power The Power Port is where you will connect the included

AC Power adapter.

Figure 1-1

The Router’s Ports

NNoottee::Since the Router is a device that connects two networks, it needs two

IP addresses—one for the LAN side, and one for the Internet side. In this

User Guide, you’ll see references to the “Internet IP address” and the “LAN

IP address.”

Since the Router has firewall security (NAT), only the Router’s Internet IP

address can be seen from the Internet.

However, even the Internet IP address can be blocked, so that the Router and

network seem invisible to the Internet—This is shown in the Filters section in

“Chapter 6: The Routers Web-Based Utility”.

Wireless Cable/DSL Router

Network Everywhere®Series

The LAN Indicators, shown in Figure 1-2, show the status of information being

transmitted within your local network

WLANAct Green. This LED indicates wireless activity.

WLAN Link Green. This LED indicates that the Router’s wireless func-

tions have been enabled through the Web-based utility.

Power Green. This LED indicates that the Router’s power is on.

Link/Act Green. This LED serves two purposes. When this LED is lit

continuously, this indicates that the Router is connected to a

device through the corresponding port (1, 2, 3, or 4). A blink-

ing LED indicates that the Router is actively sending or

receiving data over that port. When the Uplink Port is in use,

the LED for Port 1 will be lit continuously.

The Router’s LEDs

TThheeRReesseettBBuuttttoonn

Pressing the Reset Button and holding it in for a few seconds will clear all

of the Router’s data and restore the factory defaults. This should be done

only if you are experiencing heavy routing problems, and only after you

have exhausted all of the other troubleshooting options. By resetting the

Router, you run the risk of creating conflicts between your PCs’ actual IP

Addresses and what the Router thinks their IP Addresses should be. You

may be forced to reboot each network PC.

If the Router locks up, simply press the reset button or power it down for

three to five seconds by removing the power cable from the Router’s

Power Port. Leaving the power off for too long could result in the loss of

network connections.

Figure 1-2

Full/Col Green. This LED also serves two purposes. When this LED

is lit continuously, the connection made through the corre-

sponding port is running in Full Duplex mode. A blinking

LED indicates that the connection is experiencing collisions.

Infrequent collisions are normal. If this LED blinks too

often, there may be a problem with your connection. Refer to

the Troubleshooting Appendix if you think there is a prob-

lem.

100 Orange. This LED indicates when a successful 100Mbps

connection is made through the corresponding port.

The Internet indicators, shown in Figure 1-2, show the status of information

being transmitted to and from the Internet.

Link Green. This LED indicates a connection between the Router

and your broadband device or network.

Act Green. This LED blinks when the Router is sending or

receiving data over the broadband (Internet) port.

Diag Red. This LED indicates the Router’s self-diagnosis mode

during boot-up and restart. It will turn off upon completing

the diagnosis. If this LED stays on for an abnormally long

period of time, refer to the Troubleshooting Appendix.

Wireless Cable/DSL Router

Network Everywhere®Series

Chapter 2: Planning Your

Wireless Network

A wireless LAN is exactly like a regular LAN, except that each computer in the

LAN uses a wireless adapter to connect to the network through a wireless con-

nection. Computers in a wireless LAN must be configured to share the same

radio channel.

The wireless adapter provides LAN access for wireless workstations. An inte-

grated wireless and wired LAN is called an Infrastructure configuration. A

group of wireless adapter users and this Router compose a Basic Service Set

(BSS). Each PC equipped with a wireless adapter in a BSS can talk to any

computer in a wired LAN infrastructure via this Router.

An infrastructure configuration extends the accessibility of a PC with a wire-

less adapter to a wired LAN, and doubles the effective wireless transmission

range for two PCs equipped with a wireless adapter Since this Router is able

to forward data within its BSS, the effective transmission range in an infra-

structure LAN is doubled.

Infrastructure mode also supports roaming capabilities for mobile users. More

than one BSS can be configured as an Extended Service Set (ESS). This con-

tinuous network allows users to roam freely within an ESS. All PCs that are

equipped with a wireless adapter, and are within one ESS, must be configured

with the same ESS ID.

Before enabling an ESS with roaming capability, it is recommended to select a

feasible radio channel and optimum Router position. Proper positioning com-

bined with a clear radio signal will greatly enhance performance.

Roaming

Network Topology

Chapter 3: Connecting the

Router

Before plugging everything together, it’s always a good idea to have everything

you’ll need to get the Router up and running. Depending upon how you con-

figure the Router in Chapter 6: The Router’s Web-based Utility, you may need

some of the following values from your ISP:

When connecting through a Static IP connection, be sure to have 1) Your

broadband-configured PC’s fixed Internet IP Address, 2) Your broadband-

configured PC’s Computer Name and Workgroup Name, 3) Your Subnet

Mask, 4) Your Default Gateway, and 5) Your Primary DNS IP address.

When connecting through a PPPoE connection, be sure to have 1) Your

PPPoE User Name and 2) Your PPPoE Password.

The installation technician from your ISP should have left this information with

you after installing your broadband connection. If not, you can call your ISP to

request the data.

Once you have the above values, you can begin the Router’s installation and

setup.

Once you are sure that you have the above values on hand, you can begin the

Installation and Setup of the Router.

1. Power everything down, including your PCs, your cable or DSL modem and

the Router.

2. Connect an Ethernet cable from one of your PC’s Ethernet ports to one of the

Router’s LAN ports. Do the same with all the PCs you wish to connect to the

Router.

In addition to accessing the Router through an Ethernet connection, a wire-

less connection can be used to access the Router. See the “For Wireless

Connections” note that follows these connection instructions.

3. Connect another Ethernet cable from your cable or DSL modem to the

Router’s Internet port.

Before You Start

Connecting Your Hardware Together and Booting Up

Wireless Cable/DSL Router

Network Everywhere®Series

Chapter 4: Configuring the PCs

These instructions will help you configure each of your computers to commu-

nicate with the Router.

To do this, you will need to configure your PC’s network settings to obtain an

IP (or TCP/IP) address automatically. Computers use IP addresses to commu-

nicate with each other across a network or the Internet.

You will need to know which operating system your computer is running, such

as Windows 98 SE, Millennium, 2000, or XP. You can find out by clicking the

Start button and then selecting the Settings option. (If your Start menu does-

n’t have a Settings option, you’re running Windows XP. You can select the

Control Panel directly from the Start Menu.) Then, click Control Panel and

double-click the System icon. Click the Cancel button when done.

Once you know which Windows operating system you are running, follow the

directions in this step for your computer’s operating system. If you PC is not

configured with the TCP/IP protocol, you will need to do this for each com-

puter you are connecting to the Router.

The next few pages tell you, step by step, how to configure your TCP/IP set-

tings based on the type of Windows operating system you are using. Once

you've configured your computers, continue to Chapter 6: The Router’s Web-

based Utility.

1. Click the Start button, click Settings and open the Control Panel. From

there, double-click the Network icon to open the Network screen.

Overview

Configuring Windows 98 SE and Millennium PCs

4. Connect the Power Adapter (included) to the Router’s Power port and plug

the other end into a power outlet.

• The Power LED will illuminate green as soon as the power adapter is con-

nected.

• The Diag LED will illuminate red for a few seconds while the Router

goes through its internal diagnostic test. The LED will turn off when the

self-test is complete.

5. Power on the cable or DSL modem. Verify that the power is on by checking

the Link LED in the Internet column on the front of the Router. The Link

LED will be illuminated if the power is on and the modem is ready.

6. Press the Reset button on the back of the Router. Hold the button in for three

seconds, or until the Diag LED illuminates red. This restores the Router’s

default settings.

7. Power on your PC. The Router is now connected.

Continue to the next chapter to configure your PCs.

For Wireless Connections: In addition to accessing the Router through an

Ethernet connection, a wireless connection can be used to access the Router.

After powering on the Router and connecting it to your modem, enter the

Router’s IP Address in the Address field of your wireless PC’s web-browser as

follows: http://192.168.1.1 and press Enter.

IImmppoorrttaanntt::

The Router is configured by default to work out of the box

with all Network Everywhere Wireless Adapters. If you have

changed the defaults on your Network Everywhere Wireless

Adapters, or are using other wireless adapters, you must temporar-

ily change your wireless adapter settings to: (SSID = wireless) in

order to initially access the Router wirelessly. After you have

accessed the Router with the default settings, you can change the

Router’s settings to coincide with your Network settings and reset

your adapters.

IImmppoorrttaanntt::

Some ISPs—most notably some cable providers—con-

figure their networks so that you do not have to enter a full Internet

address into your web browser or e-mail application to reach your

home page or receive your e-mail. If your Internet home page

address is something very simple, such as “www”, rather than

“www.networkeverywhere.com”, or your e-mail server’s address is

something similar to “e-mail” or “pop3”, rather than “pop.mail.net-

workeverywhere.com”, you won’t be able to properly configure the

Router until you determine the actual Internet addresses of your

Web and e-mail connections.

You mmuussttobtain this information prior to connecting the Router to

your network. You can obtain this information by contacting your ISP.

Wireless Cable/DSL Router

Network Everywhere®Series

109

5. Click the OK button again. Windows may ask you for the original

Windows installation disk or additional files. Supply them by pointing to

the correct file location, e.g., D:\win98, D:\win9x,

c:\windows\options\cabs, etc. (This assumes that “D” is the letter of your

CD-ROM drive).

6. If Windows asks you to restart your PC, click the Yes button. If Windows

does not ask you to restart, restart your computer anyway.

Repeat steps 1-6 for each PC on your network. When all of your PCs are

configured, proceed to Chapter 6:The Router’s Web-based Utility.

1. Click the Start button, click Settings and open the Control Panel. From

there, double-click the Network and Dial-up Connections icon. This will

display the Network screen.

2. Select the Local Area

Connection icon for the

applicable Ethernet

adapter (usually it is the

first Local Area

Connection listed).

3. When the Local Area Connection Status screen appears, click the

Properties button. (See Figure 4-3.)

Configuring Windows 2000 PCs

Figure 4-3

2. Select the Configuration tab

and highlight the TCP/IP

line for the applicable

Ethernet adapter (as shown

in Figure 4-1). If the word

TCP/IP appears by itself,

select that line. (Note: If

there is no TCP/IP line listed,

refer to your Ethernet

adapter’s documentation to

install TCP/IP now.) Then,

click the Properties button.

3. Click the IPAddress tab and

select Obtain an IP address

automatically (as shown in

figure 4-2).

4. Click the Gateway tab and verify that the Installed Gateway field is blank.

Click the OK button.

Figure 4-1

Figure 4-2

Wireless Cable/DSL Router

Network Everywhere®Series

1211

The following instructions assume you are running Windows XP’s default

interface. If you are using the Classic interface (where the icons and menus

look like previous Windows versions), please follow the instructions for

Windows 2000.

1. Click the Start button, open the Control Panel. and click the Network and

Internet Connections icon. Then, click the Network Connections icon to

display the Network screen.

2. Select the Local Area

Connection icon for the

applicable Ethernet

adapter (usually it is the

first Local Area

Connection listed).

3. When the Local Area Connection Status screen appears, click the

Properties button. (See Figure 4-6.)

Configuring Windows XP PCs

Figure 4-6

4. Select Internet Protocol

(TCP/IP) (as shown in

Figure 4-4) and click the

Properties button.

5. Select Obtain an IP

address automatically

and verify that Obtain

DNS server address

automatically is selected

(as shown in Figure 4-5).

Then, click the OK but-

ton and click the OK but-

ton on the subsequent

screens to complete the

PC’s configuration.

Repeat steps 1-5 for each PC on your network. When all of your PCs are

configured, proceed to Chapter 6: The Router’s Web-based Utility.

Figure 4-4

Figure 4-5

Wireless Cable/DSL Router

Network Everywhere®Series

1413

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