Linksys WMB54G Router Manual PDF (Setup & Configuration Guide)

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35

Appendix B: Wireless Security

Security Threats Facing Wireless Networks

Wireless-G Music Bridge

WPA Pre-Shared Key

. If you do not have a RADIUS server, select the type of algorithm, TKIP or AES, enter a

password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period time

between 0 and 99,999 seconds, which instructs the Router or other device how often it should change the

encryption keys.

WPA RADIUS

. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS

server is connected to the Router or other device.) First, select the type of WPA algorithm,

TKIP

or

AES

. Enter

the RADIUS server’s IP Address and port number, along with a key shared between the device and the server.

Last, enter a Group Key Renewal period, which instructs the device how often it should change the encryption

keys.

RADIUS

. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is

connected to the Router or other device.) First, enter the RADIUS server’s IP Address and port number, along

with a key shared between the device and the server. Then, select a WEP key and a level of WEP encryption,

and either generate a WEP key through the Passphrase or enter the WEP key manually.

Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting

sensitive data over your network, encryption should be used.

These security recommendations should help keep your mind at ease while you are enjoying the most flexible

and convenient technology Linksys has to offer.

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36

Appendix C: Upgrading Firmware

Wireless-G Music Bridge

Appendix C: Upgrading Firmware

The Music Bridge’s firmware is upgraded through the Web-Utility's Help tab. Follow these instructions:

1.

Download the firmware from Linksys's website at

www.linksys.com

.

2.

Enter the location of the firmware's file or click the

Browse

button to find the file.

3.

Then, click the

Start to Upgrade

button to upgrade the firmware.

Figure C-1: Upgrade Firmware

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37

Appendix D: Windows Help

Wireless-G Music Bridge

Appendix D: Windows Help

All wireless 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 within a network, TCP/IP must be enabled. TCP/IP is a set of instructions, or

protocol, all PCs follow to communicate over a network. This is true for wireless networks as well. Your PCs will

not be able to utilize wireless networking without having TCP/IP enabled. Windows Help provides complete

instructions on enabling TCP/IP.

Shared Resources

If you wish to share printers, folder, 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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38

Appendix E: Glossary

Wireless-G Music Bridge

Appendix E: Glossary

This glossary contains some basic networking terms you may come across when using this product. For more

advanced terms, see the complete Linksys glossary at http://www.linksys.com/glossary.

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.

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.

Bandwidth

- The transmission capacity of a given device or network.

Bit

- A binary digit.

Boot

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

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.

Byte

- A unit of data that is usually eight bits long

Cable Modem

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

Internet.

Daisy Chain

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

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.

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39

Appendix E: Glossary

Wireless-G Music Bridge

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.

Dynamic IP Address

- A temporary IP address assigned by a DHCP server.

EAP

(

E

xtensible

A

uthentication

P

rotocol) - A general authentication protocol used to control network access.

Many specific authentication methods work within this framework.

Encryption

- Encoding data transmitted in a network.

Ethernet

- IEEE standard network protocol that specifies how data is placed on and retrieved from a common

transmission medium.

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.

FTP

(

F

ile

T

ransfer

P

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

Full Duplex

- The ability of a networking device to receive and transmit data simultaneously.

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.

HTTP

(

H

yper

T

ext

T

ransport

P

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

Wide Web.

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.

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