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87
Appendix F: Upgrading Firmware
10/100 8-Port VPN Router
Appendix F: Upgrading Firmware
You can use the Router’s Web-based Utility to upgrade the firmware; however, if you do so, you may lose the
settings you have configured on the Router.
To upgrade the Router’s firmware, follow these instructions:
1.
Download the Router’s firmware upgrade file from the Linksys website,
www.linksys.com
or click the
Firmware Download from Linksys Web Site
button. Select the Router from the pull-down menu and
choose the firmware from the options.
2.
Extract the file on your computer.
3.
Click the
System Management Tab
and then the
Firmware Upgrade
page.
4.
On the Firmware Upgrade screen, enter the location of the extracted firmware upgrade file, or click the
Browse
button to find this file.
5.
Click the
Firmware
Upgrade Right Now
button, and follow the on-screen instructions.
Figure F-1: Upgrade Firmware
Page 97 / 105
88
Appendix G: Windows Help
10/100 8-Port VPN Router
Appendix G: Windows Help
All Linksys 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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89
Appendix H: Glossary
10/100 8-Port VPN Router
Appendix H: Glossary
Adapter
- A device that adds network functionality to your PC.
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.
Cable Modem
- A device that connects a computer to the cable television network, which in turn connects to the
Internet.
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.
Dynamic IP Address
- A temporary IP address assigned by a DHCP server.
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90
Appendix H: Glossary
10/100 8-Port VPN Router
Encryption
- Encoding data to prevent it from being read by unauthorized people.
Ethernet
- A network protocol that specifies how data is placed on and retrieved from a common transmission
medium.
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.
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.
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.
IPCONFIG
- A Windows 2000 and XP utility that displays the IP address for a particular networking device.
IPSec
(Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer.
ISP
(Internet Service Provider) - A company that provides access to the Internet.
LAN
(Local Area Network) - The computers and networking products that make up the network in your home or
office.
MAC
(Media Access Control) Address - The unique address that a manufacturer assigns to each networking
device.
Multicasting
- Sending data to a group of destinations at once.
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91
Appendix H: Glossary
10/100 8-Port VPN Router
NAT
(Network Address Translation) - 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.
Ping
(Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3
(Post Office Protocol 3) - A standard protocol used to retrieve e-mail stored on a mail server.
Port
- 1. The connection point on a computer or networking device used for plugging in a cable or an adapter. 2.
The virtual connection point through which a computer uses a specific application on a server.
PPPoE
(Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP
(Point-to-Point Tunneling Protocol) - 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.
Router
- A networking device that connects multiple networks together, such as a local network and the Internet.
Server
- Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP
(Simple Mail Transfer Protocol) - The standard e-mail protocol on the Internet.
SNMP
(Simple Network Management Protocol) - A widely used network monitoring and control protocol.
Software
- Instructions for the computer. A series of instructions that performs a particular task is called a
“program”.
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.

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