Linksys WAP51AB Router Manual PDF (Setup & Configuration Guide)

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Dual-Band Wireless Access Point

When the

Network

window appears, click the

Protocols

tab. Then, click

the

Add

button.

Find the

IPX/SPX protocol

in the

Select Network Protocol

field. Click it

once and click the

button.

At the Windows 2000 desktop, right click

My Network Places

and select

Properties

. Then, right click

Local Area Connection

Choose

Properties

If the

TCP/IP Protocol

is listed for your network adapter, go to step five.

Otherwise, click the

Install

button.

When the

Component Type

window appears, select

Protocol

, and click the

Add

button.

Select

Internet Protocol (TCP/IP)

from the list and click the

button.

When the

Local Area Connection Properties

window reappears, select

TCP/IP

, and click the

Properties

button.

Select

Use the following IP Address

Enter an IP Address for the computer, along with a Subnet Mask and

Default Gateway. Then, click the

button. If you do not have these val-

ues, consult your network administrator.

When the

Local Area Connection Properties

window reappears, click the

button. TCP/IP has now been successfully installed.

At the Windows 2000 desktop, right click

My Network Places

Then right

click

Local Area Connection

Choose

Properties

If the

NWLink IPX/SPX/NetBIOS Compatible Transport Protocol

is listed

for your network adapter, click the

Cancel

button. Otherwise, click the

Install

button.

When the Component Type window appears, select

Protocol

and click the

Install

button.

Instant Wireless™ Series

Click the

Start

button, select

Settings

, and open the

Control Panel

. Inside

the Control Panel, double-click the

Network

icon.

When the

Network

window appears, click the

Protocols

tab.

Then, click

the

Add

button.

Find the

TCP/IP protocol

in the

Select Network Protocol

field. Click it

once and then click the

button.

When asked if you want to use DHCP, choose

If asked to supply your Windows NT CD, do so. NT will copy the neces-

sary files to your system. You may have to switch between the Access

Point’s Setup CD and the NT CD.

When TCP/IP appears in the

Network Protocols

window, click the

Bindings

tab. Windows will store your new bindings.

Click the

Protocols

tab. Then, select

TCP/IP

Click the

Properties

button. Select the type of network adapter you have

from the Adapters box and select

Specify an IP Address

Enter the computer’s IP Address and Subnet Mask. Check with your net-

work administrator for your settings.

10. Enter your Default Gateway if you have one.

11. When you finish, click the

button. If NT asks about WINS, ignore it.

12. When the

Network

window reappears, click the

button. Restart your

computer when prompted.

TCP/IP has now been successfully installed.

Click the

Start

button, select

Settings

, and open the

Control Panel

. Inside

the Control Panel, double-click the

Network

icon.

TCP/IP Setup for Windows 2000

IPX Setup for Windows 2000

TCP/IP Setup for Windows NT 4.0

Note:

a Default Gateway is not required. Check with your network

administrator.

IPX Setup for Windows NT 4.0

Page 22 / 29

Instant Wireless™ Series

Select

NWLink IPX/SPX/NetBIOS Compatible Transport Protocol

from the list and click the

button.

When the

Network

window reappears, click the

button. Restart your

computer. NWLink IPX/SPX/NetBIOS Compatible Transport Protocol has

now been successfully installed.

Click the

Start

button and open the

Control Panel

Double click the

Network and Internet Connections

icon.

Double click the

Network Connections

icon.

Right click the

Local Area Connection

icon and select

Properties

If the

TCP/IP Protocol

is listed for your network adapter, go to step five.

Otherwise, click the

Install

button.

When the

Component Type

window appears, select

Protocol

, and click the

Add

button.

Select

Internet Protocol (TCP/IP)

from the list and click the

button.

When the

Local Area Connection Properties

window reappears, select

TCP/IP

, and click the

Properties

button.

Select

Use the following IP Address

10. Enter an IP Address for the computer, along with a Subnet Mask and

Default Gateway. Then, click the

button. If you do not have these val-

ues, consult your network administrator.

11. When the

Local Area Connection Properties

window reappears, click the

button. TCP/IP has now been successfully installed..

Appendix C: Glossary

Adapter

- Printed circuit board that plugs into a PC to add to capabilities or

connectivity to a PC. In a networked environment, a network interface card is

the typical adapter that allows the PC or server to connect to the intranet and/or

Internet.

Ad-hoc Network

- An ad-hoc network is a wireless network or other small net-

work in which some of the network devices are part of the network only for the

duration of a communications session while in some close proximity to the rest

of the network.

Backbone

- The part of a network that connects most of the systems and net-

works together and handles the most data.

Bandwidth

- The transmission capacity of a given facility, in terms of how

much data the facility can transmit in a fixed amount of time; expressed in bits

per second (bps).

Beacon Interval

A beacon is a packet broadcast by the Access Point to keep

the network synchronized. A beacon includes the wireless LAN service area,

the AP address, the Broadcast destination addresses, a time stamp, Delivery

Traffic Indicator Maps, and the Traffic Indicator Message (TIM).

Bit

- A binary digit. The value - 0 or 1-used in the binary numbering system.

Also, the smallest form of data.

Browser

- A browser is an application program that provides a way to look at

and interact with all the information on the World Wide Web or PC. The word

"browser" seems to have originated prior to the Web as a generic term for user

interfaces that let you browse text files online.

BSS

(

asic

ervice

et) - A group of wireless Network PC Card users and an

Access Point.

Buffer

- A buffer is a shared or assigned memory area used by hardware

devices or program processes that operate at different speeds or with different

sets of priorities. The buffer allows each device or process to operate without

being held up by the other. In order for a buffer to be effective, the size of the

buffer and the algorithms for moving data into and out of the buffer need to be

Dual-Band Wireless Access Point

TCP/IP Setup for Windows XP

Page 23 / 29

quently. Using very short leases, DHCP can dynamically reconfigure networks

in which there are more computers than there are available IP addresses.

DHCP supports static addresses for computers containing Web servers that

need a permanent IP address.

Download

- To receive a file transmitted over a network. In a communications

session, download means receive, upload means transmit.

Driver

- A workstation or server software module that provides an interface

between a device and the upper-layer protocol software running in the comput-

er; it is designed for a specific device, and is installed during the initial instal-

lation of a network-compatible client or server operating system.

DSSS

(

irect-

equence

pread-

pectrum) - DSSS generates a redundant bit

pattern for each bit to be transmitted. This bit pattern is called a chip (or chip-

ping code). The longer the chip, the greater the probability that the original data

can be recovered. Even if one or more bits in the chip are damaged during

transmission, statistical techniques embedded in the radio can recover the orig-

inal data without -the need for retransmission. To an unintended receiver, DSSS

appears as low power wideband noise and is rejected (ignored) by most nar-

rowband receivers.

DTIM

(

elivery

raffic

ndication

essage) - A DTIM field is a countdown

field informing clients of the next window for listening to broadcast and mul-

ticast messages. When the AP has buffered broadcast or multicast messages for

associated clients, it sends the next DTIM with a DTIM Interval value.

Clients hear the beacons and awaken to receive the broadcast and multicast

messages.

Dynamic IP Address

- An IP address that is automatically assigned to a client

station in a TCP/IP network, typically by a DHCP server. Network devices that

serve multiple users, such as servers and printers, are usually assigned static IP

addresses.

Encryption

- A security method that applies a specific algorithm to data in

order to alter the data's appearance and prevent other devices from reading the

information.

ESS

- More than one BSS in a network.

Dual-Band Wireless Access Point

Instant Wireless

Series

considered by the buffer designer. Like a cache, a buffer is a "midpoint hold-

ing place" but exists not so much to accelerate the speed of an activity as to

support the coordination of separate activities.

CSMA/CA

(

arrier

ense

ultiple

ccess/

ollision

voidance) - In local

area networking, this is the CSMA technique that combines slotted time-divi-

sion multiplexing with carrier sense multiple access/collision detection

(CSMA/CD) to avoid having collisions occur a second time. This works best if

the time allocated is short compared to packet length and if the number of sit-

uations is small.

CSMA/CD

(

arrier

ense

ultiple

ccess/

ollision

etection) - The LAN

access method used in Ethernet. When a device wants to gain access to the

network, it checks to see if the network is quiet (senses the carrier). If it is not,

it waits a random amount of time before retrying. If the network is quiet and

two devices access the line at exactly the same time, their signals collide. When

the collision is detected, they both back off and each wait a random amount of

time before retrying.

CTS

(

lear

end) - An RS-232 signal sent from the receiving station to the

transmitting station that indicates it is ready to accept data.

Database

- A database is a collection of data that is organized so that its con-

tents can easily be accessed, managed, and updated.

DHCP

(

ynamic

ost

onfiguration

rotocol) - A protocol that lets network

administrators manage centrally and automate the assignment of Internet

Protocol (IP) addresses in an organization's network. Using the Internet's set of

protocol (TCP/IP), each machine that can connect to the Internet needs a

unique IP address. When an organization sets up its computer users with a con-

nection to the Internet, an IP address must be assigned to each machine.

Without DHCP, the IP address must be entered manually at each computer and,

if computers move to another location in another part of the network, a new IP

address must be entered. DHCP lets a network administrator supervise and dis-

tribute IP addresses from a central point and automatically sends a new IP

address when a computer is plugged into a different place in the network.

DHCP uses the concept of a "lease" or amount of time that a given IP address

will be valid for a computer. The lease time can vary depending on how long a

user is likely to require the Internet connection at a particular location. It's espe-

cially useful in education and other environments where users change fre-

Page 24 / 29

The IEEE fosters the development of standards that often become national and

international standards. The organization publishes a number of journals, has

many local chapters, and several large societies in special areas, such as the

IEEE Computer Society.

Infrastructure

- An infrastructure network is a wireless network or other small

network in which the wireless network devices are made a part of the network

through the Access Point which connects them to the rest of the network.

IP Address

- In the most widely installed level of the Internet Protocol

(Internet Protocol) today, an IP address is a 32-binary digit number that identi-

fies each sender or receiver of information that is sent in packet across the

Internet. When you request an HTML page or send e-mail, the Internet

Protocol part of TCP/IP includes your IP address in the message (actually, in

each of the packets if more than one is required) and sends it to the IP address

that is obtained by looking up the domain name in the Uniform Resource

Locator you requested or in the e-mail address you're sending a note to. At the

other end, the recipient can see the IP address of the Web page requestor or the

e-mail sender and can respond by sending another message using the IP address

it received.

ISM band

- The FCC and their counterparts outside of the U.S. have set aside

bandwidth for unlicensed use in the ISM (Industrial, Scientific and Medical)

band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made avail-

able worldwide. This presents a truly revolutionary opportunity to place con-

venient high-speed wireless capabilities in the hands of users around the globe.

LAN

- A local area network (LAN) is a group of computers and associated

devices that share a common communications line and typically share the

resources of a single processor or server within a small geographic area (for

example, within an office building).

MAC

(

edia

ccess

ontrol)

Address

- A unique number assigned by the

manufacturer to any Ethernet networking device, such as a network adapter,

that allows the network to identify it at the hardware level.

Mbps

(

ega

its

econd) - One million bits per second; unit of measure-

ment for data transmission.

Multicasting

- Sending data to a group of nodes instead of a single destination.

Dual-Band Wireless Access Point

Instant Wireless

Series

Ethernet

- IEEE standard network protocol that specifies how data is placed

on and retrieved from a common transmission medium. Has a transfer rate of

10 Mbps. Forms the underlying transport vehicle used by several upper-level

protocols, including TCP/IP and XNS.

FHSS

(

requency

opping

pread

pectrum) - FHSS continuously changes

the center frequency of a conventional carrier several times per second accord-

ing to a pseudo-random set of channels, while chirp spread spectrum changes

the carrier frequency. Because a fixed frequency is not used, illegal monitoring

of spread spectrum signals is extremely difficult, if not downright impossible

depending on the particular method.

Firmware

- Programming that is inserted into programmable read-only mem-

ory (programmable read-only memory), thus becoming a permanent part of a

computing device.

Fragmentation

- Breaking a packet into smaller units when transmitting over

a network medium that cannot support the original size of the packet.

Gateway

- A device that interconnects networks with different, incompatible

communications protocols.

Hardware

- Hardware is the physical aspect of computers, telecommunica-

tions, and other information technology devices. The term arose as a way to dis-

tinguish the "box" and the electronic circuitry and components of a computer

from the program you put in it to make it do things. The program came to be

known as the software.

Hub

- The device that serves as the central location for attaching wires from

workstations. Can be passive, where there is no amplification of the signals; or

active, where the hubs are used like repeaters to provide an extension of the

cable that connects to a workstation.

IEEE

(The

nstitute of

lectrical and

lectronics

ngineers) - The IEEE

describes itself as "the world's largest technical professional society, promoting

the development and application of electrotechnology and allied sciences for

the benefit of humanity, the advancement of the profession, and the well-being

of our members."

Page 25 / 29

Dual-Band Wireless Access Point

Server

- Any computer whose function in a network is to provide user access

to files, printing, communications, and other services.

Software

- Instructions for the computer. A series of instructions that performs

a particular task is called a "program." The two major categories of software are

"system software" and "application software." System software is made up of

control programs such as the operating system and database management sys-

tem (DBMS). Application software is any program that processes data for the

user.

A common misconception is that software is data. It is not. Software tells the

hardware how to process the data.

SOHO

(

mall

ffice/

ome

ffice) - Market segment of professionals who

work at home or in small offices.

Spread Spectrum

- Spread Spectrum technology is a wideband radio frequen-

cy technique developed by the military for use in reliable, secure, mission-crit-

ical communications systems. It is designed to trade off bandwidth efficiency

for reliability, integrity, and security. In other words, more bandwidth is con-

sumed than in the case of narrowband transmission, but the trade off produces

a signal that is, in effect, louder and thus easier to detect, provided that the

receiver knows the parameters of the spread-spectrum signal being broadcast.

If a receiver is not tuned to the right frequency, a spread-spectrum signal looks

like background noise. There are two main alternatives, Direct Sequence

Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).

Static IP Address

- A permanent IP address that is assigned to a node in an IP

or a TCP/IP network.

Subnet Mask

- The method used for splitting IP networks into a series of sub-

groups, or subnets. The mask is a binary pattern that is matched up with the IP

address to turn part of the host ID address field into a field for subnets.

Switch

- 1. A data switch connects computing devices to host computers,

allowing a large number of devices to share a limited number of ports. 2. A

device for making, breaking, or changing the connections in an electrical cir-

cuit.

TCP

(

ransmission

ontrol

rotocol) - A method (protocol) used along with

the Internet Protocol (Internet Protocol) to send data in the form of message

units between computers over the Internet. While IP takes care of handling the

Instant Wireless™ Series

Network

- A system that transmits any combination of voice, video and/or data

between users.

Node

- A network junction or connection point, typically a computer or work

station.

OFDM -

OFDM (Orthogonal Frequency Division Muliplexing) works by

breaking one high-speed data stream into a number of lower-speed data

streams, which are then transmitted in parallel. Each lower speed stream is used

to modulate a subcarrier.

Essentially, this creates a multi-carrier transmission

by dividing a wide frequency band or channel into a number of narrower fre-

quency bands or sub-channels.

Packet

- A unit of data routed between an origin and a destination in a network.

Passphrase

- Used much like a password, a passphrase simplifies the WEP

encryption process by automatically generating the WEP encryption keys for

Linksys products.

PC Card

- A credit-card sized removable module that contains memory, I/O,

or a hard disk.

Port

- A pathway into and out of the computer or a network device such as a

switch or router. For example, the serial and parallel ports on a personal com-

puter are external sockets for plugging in communications lines, modems and

printers.

RJ-45

(

egistered

ack-

) - A connector similar to a telephone connector that

holds up to eight wires, used for connecting Ethernet devices.

Roaming

- The ability to use a wireless device and be able to move from one

access point's range to another without losing the connection.

Router

- Protocol-dependent device that connects subnetworks together.

Routers are useful in breaking down a very large network into smaller subnet-

works; they introduce longer delays and typically have much lower throughput

rates than bridges.

RTS

(

equest

end) - An RS-232 signal sent from the transmitting station

to the receiving station requesting permission to transmit.

Rate

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