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35
Appendix C: Upgrading Firmware
Wireless-G Ethernet Bridge
Appendix C: Upgrading Firmware
You can use the Bridge’s Web-based Utility to upgrade the firmware; however, firmware should be upgraded
ONLY if you experience problems with the Bridge.
To upgrade the Bridge’s firmware, follow these instructions:
1.
Download the Bridge’s firmware upgrade file from the Linksys website, www.linksys.com.
2.
Extract the file on your computer.
3.
Open the Bridge’s Web-based Utility, and click the
Help
tab.
4.
On the
Help
screen, click the
Firmware Upgrade
button.
5.
The screen shown in Figure C-1 will appear. In the field provided, enter the name of the extracted firmware
upgrade file, or click the
Browse
button to find this file.
6.
After you have selected the appropriate file, click the
Upgrade
button, and follow the on-screen instructions.
NOTE:
If you upgrade the Bridge’s firmware, you
may lose its configuration settings.
Figure C-1: Firmware Upgrade
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36
Appendix D: Windows Help
Wireless-G Ethernet Bridge
Appendix D: Windows Help
Almost all Linksys 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 with the Bridge, 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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37
Appendix E: Glossary
Wireless-G Ethernet Bridge
Appendix E: Glossary
802.11a
- An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an
operating frequency of 5GHz.
802.11b
- An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g
- An IEEE 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
- 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
- This is 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.
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
- The frequency interval of the beacon, which is a packet broadcast by a router to synchronize a
wireless network.
Bit
- A binary digit.
Boot
- To start a device and cause it to start executing instructions.
Bridge
- A device that connects two different kinds of local networks, such as a wireless network to a wired
Ethernet network.
Broadband
- An always-on, fast Internet connection.
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.
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38
Appendix E: Glossary
Wireless-G Ethernet Bridge
Buffer
- A block of memory that temporarily holds data to be worked on later when a device is currently too busy
to accept the data.
Cable Modem
- A device that connects a computer to the cable television network, which in turn connects to the
Internet.
CSMA/CA
(Carrier Sense Multiple Access/Collision Avoidance) - A method of data transfer that is used to prevent
data loss in a network.
CTS
(Clear To Send) - A signal sent by a device to indicate 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
(Dynamic Domain Name System) - The capability of having a website, FTP, or e-mail server-with a
dynamic IP address-use a fixed domain name.
Default Gateway
- A device that forwards Internet traffic from your local area network.
DHCP
(Dynamic Host Configuration Protocol) - A protocol that lets one device on a local network, known as a
DHCP server, assign temporary IP addresses to the other network devices, typically computers.
DMZ
(Demilitarized Zone) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from
the Internet.
DNS
(Domain Name Server) - 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
(Digital Subscriber Line) - An always-on broadband connection over traditional phone lines.
DSSS
(Direct-Sequence Spread-Spectrum) - A type of radio transmission technology that includes a redundant
bit pattern to lessen the probability of data lost during transmission. Used in 802.11b networking.
DTIM
(Delivery Traffic Indication Message) - A message included in data packets that can increase wireless
efficiency.
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39
Appendix E: Glossary
Wireless-G Ethernet Bridge
Dynamic IP Address
- A temporary IP address assigned by a DHCP server.
Encryption
- Encoding data to prevent it from being read by unauthorized people.
Ethernet
- An IEEE standard network protocol that specifies how data is placed on and retrieved from a common
transmission medium.
Finger
- A program that tells you the name associated with an e-mail address.
Firewall
- Security measures that protect the resources of a local network from intruders.
Firmware
- 1. In network devices, the programming that runs the device. 2. Programming loaded into read-only
memory (ROM) or programmable read-only memory (PROM) that cannot be altered by end-users.
Fragmentation
- Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.
FTP
(File Transfer Protocol) - A standard protocol for sending files between computers over a TCP/IP network and
the Internet.
Full Duplex
- The ability of a networking device to receive and transmit data simultaneously.
Gateway
- A system that interconnects networks.
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
(HyperText Transport Protocol) - The communications protocol used to connect to servers on the World
Wide Web.
IEEE
(The Institute of Electrical and Electronics Engineers) - An independent institute that develops networking
standards.
Infrastructure
- Currently installed computing and networking equipment.
Infrastructure Mode
- Configuration in which a wireless network is bridged to a wired network via an access
point.
IP
(Internet Protocol) - A protocol used to send data over a network.
IP Address
- The address used to identify a computer or device on a network.
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