Linksys WRT54GXv2 Router Manual PDF (Setup & Configuration Guide)

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60

Appendix F: Glossary

Wireless-G Broadband Router with SRX

Firewall

- A set of related programs located at a network gateway server that protects the resources of a

network from users from other networks.

Firmware

- The programming code that runs a networking device.

Fragmentation

-Breaking a packet into smaller units when transmitting over a network medium that cannot

support the original size of the packet.

FTP

(

F

ile

T

ransfer

P

rotocol) - A protocol used to transfer files over a TCP/IP network.

Gateway

- A device that interconnects networks with different, incompatible communications protocols.

Half Duplex

- Data transmission that can occur in two directions over a single line, but only one direction at a

time.

Hardware

- The physical aspect of computers, telecommunications, and other information technology devices.

HTTP

(

H

yper

T

ext

T

ransport

P

rotocol) - The communications protocol used to connect to servers on the World

Wide Web.

IEEE

(The

I

nstitute of

E

lectrical and

E

lectronics

E

ngineers) - An independent institute that develops networking

standards.

Infrastructure

- A wireless network that is bridged to a wired network via an access point.

IP

(

I

nternet

P

rotocol) - A protocol used to send data over a network.

IP Address

- The address used to identify a computer or device on a network.

IPCONFIG

- A Windows 2000 and XP utility that displays the IP address for a particular networking device.

IPSec

(

I

nternet

P

rotocol

Sec

urity) - A VPN protocol used to implement secure exchange of packets at the IP layer.

ISM band

- Radio bandwidth utilized in wireless transmissions.

ISP

(

I

nternet

S

ervice

P

rovider) - A company that provides access to the Internet.

LAN

- The computers and networking products that make up your local network.

MAC

(

M

edia

A

ccess

C

ontrol)

Address

- The unique address that a manufacturer assigns to each networking

device.

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61

Appendix F: Glossary

Wireless-G Broadband Router with SRX

Mbps

(

M

ega

B

its

P

er

S

econd) - One million bits per second; a unit of measurement for data transmission.

mIRC

- An Internet Relay Chat program that runs under Windows.

NAT

(

N

etwork

A

ddress

T

ranslation) - NAT technology translates IP addresses of a local area network to a different

IP address for the Internet.

Network

- A series of computers or devices connected for the purpose of data sharing, storage, and/or

transmission between users.

Node

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

Packet

- A unit of data sent over 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.

Ping

(

P

acket

IN

ternet

G

roper) - An Internet utility used to determine whether a particular IP address is online.

POP3

(

P

ost

O

ffice

P

rotocol

3

) - A standard mail server commonly used on the Internet.

Port

- The connection point on a computer or networking device used for plugging in cables or adapters.

PPPoE

(

P

oint to

P

oint

P

rotocol

o

ver

E

thernet) - A type of broadband connection that provides authentication

(username and password) in addition to data transport.

PPTP

(

P

oint-to-

P

oint

T

unneling

P

rotocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be

tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.

RADIUS

(

R

emote

A

uthentication

D

ial-

I

n

U

ser

S

ervice) - A protocol that uses an authentication server to control

network access.

Roaming

- The ability to take a wireless device from one access point's range to another without losing the

connection.

Router

- A networking device that connects multiple networks together.

RTS

(

R

equest

T

o

S

end) - A networking method of coordinating large packets through the RTS Threshold setting.

Server

- Any computer whose function in a network is to provide user access to files, printing, communications,

and other services.

Page 68 / 75

62

Appendix F: Glossary

Wireless-G Broadband Router with SRX

SMTP

(

S

imple

M

ail

T

ransfer

P

rotocol)

- The standard e-mail protocol on the Internet.

Software

- Instructions for the computer. A series of instructions that performs a particular task is called a

"program".

SPI

(

S

tateful

P

acket

I

nspection)

Firewall

- A technology that inspects every incoming packet of information

before allowing it to enter the network.

Spread Spectrum

- Wideband radio frequency technique used for more reliable and secure data transmission.

SSID

(

S

ervice

S

et

ID

entifier) - Your wireless network's name.

Static IP Address

- A fixed address assigned to a computer or device that is connected to a network.

Static Routing

- Forwarding data in a network via a fixed path.

Subnet Mask

- An address code that determines the size of the network.

Switch

- 1. A data switch that 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 circuit.

TCP

(

T

ransmission

C

ontrol

P

rotocol) - A network protocol for transmitting data that requires acknowledgement

from the recipient of data sent.

TCP/IP

(

T

ransmission

C

ontrol

P

rotocol/

I

nternet

P

rotocol) - A set of instructions PCs use to communicate over a

network.

Telnet

- A user command and TCP/IP protocol used for accessing remote PCs.

TFTP

(

T

rivial

F

ile

T

ransfer

P

rotocol) - A version of the TCP/IP FTP protocol that has no directory or password

capability.

TKIP

(

T

emporal

K

ey

I

ntegrity

P

rotocol) - a wireless encryption protocol that provides dynamic encryption keys for

each packet transmitted.

Topology

- The physical layout of a network.

UDP

(

U

ser

D

atagram

P

rotocol) - A network protocol for transmitting data that does not require acknowledgement

from the recipient of the data that is sent.

Upgrade

- To replace existing software or firmware with a newer version.

Page 69 / 75

63

Appendix F: Glossary

Wireless-G Broadband Router with SRX

URL

(

U

niform

R

esource

L

ocator) - The address of a file located on the Internet.

VPN

(

V

irtual

P

rivate

N

etwork) - A security measure to protect data as it leaves one network and goes to another

over the Internet.

WAN

(

W

ide

A

rea

N

etwork)- The Internet.

WEP

(

W

ired

E

quivalent

P

rivacy) - A method of encrypting network data transmitted on a wireless network for

greater security.

WINIPCFG

- A Windows 98 and Me utility that displays the IP address for a particular networking device.

WLAN

(

W

ireless

L

ocal

A

rea

N

etwork) - A group of computers and associated devices that communicate with

each other wirelessly.

WPA

(

W

i-Fi

P

rotected

A

ccess) - a wireless security protocol using TKIP (Temporal Key Integrity Protocol)

encryption, which can be used in conjunction with a RADIUS server.

Page 70 / 75

64

Appendix G: Specifications

Wireless-G Broadband Router with SRX

Appendix G: Specifications

Model

WRT54GX

Standards

IEEE 802.3, IEEE 802.3u, IEEE 802.11g, IEEE 802.11b

Channels

11 Channels (US, Canada)

13 Channels (Europe)

Ports/Buttons

Internet: One 10/100 RJ-45 Port

LAN: Four 10/100 RJ-45 Switched Ports

One Power Port

One Reset Button

Cabling Type

UTP CAT 5

LEDs

Power, DMZ, Wireless, LAN (1, 2, 3, 4), Internet

RF Power Output

17 dBm

UPnP able/cert

Able

Security features

Stateful Packet Inspection (SPI) Firewall, Internet Policy

Wireless Security

WEP, Wireless MAC Filtering

Dimensions

6.38" x 6.38" x 1.58"

(W x H x D)

(162 mm x 162 mm x 40 mm)

Unit Weight

16 oz. (0.6 kg)

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