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Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter
Windows 98 or Me Instructions
Wireless-N Gigabit Security Router with VPN
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
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. See Figure D-1.
3.
Write down the Adapter Address as shown on your computer screen (see Figure D-2). 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 in Figure D-2 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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109
Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter
For the Router’s Web-based Utility
Wireless-N Gigabit Security Router with VPN
3.
Write down the Physical Address as shown on your computer screen (Figure D-3); 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 in Figure D-3 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
For MAC address cloning, enter the MAC Address in the MAC Address field or select
Clone My PCs MAC
. See
Figure D-4.
Click
Save Settings
to save the MAC Cloning settings or click the
Cancel Changes
button to undo your changes.
Figure D-3: MAC Address/Physical Address
NOTE:
The MAC address is also called the Physical Address.
Figure D-4: MAC Address Clone
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110
Appendix E: Glossary
Wireless-N Gigabit Security Router with VPN
Appendix E: Glossary
Adapter
- A device that adds network functionality to your PC.
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
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.
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.
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111
Appendix E: Glossary
Wireless-N Gigabit Security Router with VPN
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.
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.
EAP-PEAP
(
E
xtensible
A
uthentication
P
rotocol-
P
rotected
E
xtensible
A
uthentication
P
rotocol) - A mutual
authentication method that uses a combination of digital certificates and another system, such as passwords.
EAP-TLS
(
E
xtensible
A
uthentication
P
rotocol-
T
ransport
L
ayer
S
ecurity) - A mutual authentication method that
uses digital certificates.
Encryption
- Encoding data transmitted in a network.
Ethernet
- A networking 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
- A set of related programs located at a network gateway server that protects the resources of a
network from users from other networks.
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112
Appendix E: Glossary
Wireless-N Gigabit Security Router with VPN
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.
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.
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.
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.
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.
LEAP
(
L
ightweight
E
xtensible
A
uthentication
P
rotocol) - A mutual authentication method that uses a username
and password system.
MAC
(
M
edia
A
ccess
C
ontrol)
Address
- The unique address that a manufacturer assigns to each networking
device.
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.
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