Linksys WRT54GP2A-AT Router Manual PDF (Setup & Configuration Guide)

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62

Appendix C: Windows Help

Wireless-G Broadband Router with 2 Phone Ports

Appendix C: Windows Help

Almost all networking products require Microsoft Windows. Windows is the most used operating system in the

world and comes with many features that help make networking easier. These features can be accessed through

Windows Help and are described in this appendix.

TCP/IP

Before a computer can communicate with the Router, TCP/IP must be enabled. TCP/IP is a set of instructions, or

protocol, all PCs follow to communicate over a wired or wireless network. Your PCs will not be able to utilize

networking without having TCP/IP enabled. Windows Help provides complete instructions on enabling TCP/IP.

Shared Resources

If you wish to share printers, folders, or files over your network, Windows Help provides complete instructions on

utilizing shared resources.

Network Neighborhood/My Network Places

Other PCs on your network will appear under Network Neighborhood or My Network Places (depending upon the

version of Windows you're running). Windows Help provides complete instructions on adding PCs to your

network.

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63

Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter

Windows 98 or Me Instructions

Wireless-G Broadband Router with 2 Phone Ports

Appendix D: Finding the MAC Address and IP Address for Your

Ethernet Adapter

This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC

filtering and/or MAC address cloning feature of the Router. You can also find the IP address of your computer’s

Ethernet adapter. This IP address is used for the Router’s filtering, forwarding, and/or DMZ features. Follow the

steps in this appendix to find the adapter’s MAC or IP address in Windows 98, Me, 2000, or XP.

Windows 98 or Me Instructions

1.

Click

Start

and

Run

. In the

Open

field, enter

winipcfg

. Then press the

Enter

key or the

OK

button.

2.

When the

IP Configuration

screen appears, select the Ethernet adapter you have connected to the Router via a

CAT 5 Ethernet network cable.

3.

Write down the Adapter Address as shown on your computer screen. This is the MAC address for your

Ethernet adapter and is shown as a series of numbers and letters.

The MAC address/Adapter Address is what you will use for MAC address cloning or MAC filtering.

The example shows the Ethernet adapter’s IP address as 192.168.1.100. Your computer may show something

different.

Windows 2000 or XP Instructions

1.

Click

Start

and

Run

. In the

Open

field, enter

cmd

. Press the

Enter

key or click the

OK

button.

2.

At the command prompt, enter

ipconfig /all

. Then press the

Enter

key.

Figure D-2: MAC Address/Adapter

Address

Figure D-1: IP Configuration Screen

Note:

The MAC address is also called the Adapter Address.

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64

Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter

For the Router’s Web-based Utility

Wireless-G Broadband Router with 2 Phone Ports

3.

Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet

adapter. This appears as a series of numbers and letters.

The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering.

The example shows the Ethernet adapter’s IP address as 192.168.1.100. Your computer may show something

different.

For the Router’s Web-based Utility

You can use MAC or IP addresses to designate computers for each Internet Access Policy you create. To specify a

computer, enter its IP address or 12-digit MAC address.

For MAC address cloning, enter the 12-digit MAC address in the

User Defined Entry

fields, two digits per field.

For more details, refer to “Chapter 5: Configuring the Router.”

Figure D-3: MAC Address/Physical Address

Figure D-4: Access Restrictions - MAC and

IP Addresses

Note:

The MAC address is also called the Physical Address.

Figure D-5: MAC Address Clone

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65

Appendix E: Glossary

Wireless-G Broadband Router with 2 Phone Ports

Appendix E: Glossary

802.11b

- A wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an

operating frequency of 2.4GHz.

802.11g

- A wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an operating

frequency of 2.4GHz, and backward compatibility with 802.11b devices.

Access Point

- A device that allows wireless-equipped computers and other devices to communicate with a

wired network. Also used to expand the range of a wireless network.

Adapter

- A device that adds network functionality to your PC.

Ad-hoc

- A group of wireless devices communicating directly with each other (peer-to-peer) without the use of

an access point.

AES

(

A

dvanced

E

ncryption

S

tandard) - A security method that uses symmetric 128-bit block data encryption.

Backbone

- The part of a network that connects most of the systems and networks together, and handles the

most data.

Bandwidth

- The transmission capacity of a given device or network.

Beacon Interval

- Data transmitted on your wireless network that keeps the network synchronized.

Bit

- A binary digit.

Boot

- To start a device and cause it to start executing instructions.

Bridge

- A device that connects different networks.

Broadband

- An always-on, fast Internet connection.

Browser

- An application program that provides a way to look at and interact with all the information on the

World Wide Web.

Buffer

- A shared or assigned memory area that is used to support and coordinate different computing and

networking activities so one isn't held up by the other.

Byte

- A unit of data that is usually eight bits long

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66

Appendix E: Glossary

Wireless-G Broadband Router with 2 Phone Ports

Cable Modem

- A device that connects a computer to the cable television network, which in turn connects to the

Internet.

CSMA/CA

(

C

arrier

S

ense

M

ultiple

A

ccess/

C

ollision

A

voidance) - A method of data transfer that is used to prevent

data collisions.

CTS

(

C

lear

T

o

S

end) - A signal sent by a wireless device, signifying that it is ready to receive data.

Daisy Chain

- A method used to connect devices in a series, one after the other.

Database

- A collection of data that is organized so that its contents can easily be accessed, managed, and

updated.

DDNS

(

D

ynamic

D

omain

N

ame

S

ystem) - Allows the hosting of a website, FTP server, or e-mail server with a

fixed domain name (e.g., www.xyz.com) and a dynamic IP address.

Default Gateway

- A device that forwards Internet traffic from your local area network.

DHCP

(

D

ynamic

H

ost

C

onfiguration

P

rotocol) - A networking protocol that allows administrators to assign

temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time,

instead of assigning permanent IP addresses.

DMZ

(

D

e

m

ilitarized

Z

one) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from

the Internet.

DNS

(

D

omain

N

ame

S

erver) - The IP address of your ISP's server, which translates the names of websites into IP

addresses.

Domain

- A specific name for a network of computers.

Download

- To receive a file transmitted over a network.

DSL

(

D

igital

S

ubscriber

L

ine) - An always-on broadband connection over traditional phone lines.

DSSS

(

D

irect-

S

equence

S

pread-

S

pectrum) - Frequency transmission with a redundant bit pattern resulting in a

lower probability of information being lost in transit.

DTIM

(

D

elivery

T

raffic

I

ndication

M

essage) - A message included in data packets that can increase wireless

efficiency.

Dynamic IP Address

- A temporary IP address assigned by a DHCP server.

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