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NET ACCESS BROADBAND ROUTER W/4-PORT SWITCH USERS' MANUAL
ISDN TA: (Integrated Services Digital Network Terminal Adapter) ISDN is a high-
speed digital telephone connection involving the digitization of the telephone
network using existing wiring. An ISDN Terminal Adapter can be thought of as an
ISDN Modem.
ISP (Internet Service Provider): An organization that provides Internet services. An
ISP is the company that provides the connection from your computer to the
Internet. An ISP can offer a range of services, such as dial-up accounts, e-mail, web
hosting, or News.
L
LAN (Local Area Network): A data network intended to serve an area of only a few
square kilometers or less. This often means a small, private network in companies.
M
MAC address: The hardware address of a device connected to a shared media. To
find out the MAC address of your computer, see Chapter 10.
ML-PPP (Also called MP or MPPP): Stands for Multilink Point to Point Protocol
and is an advancement of the PPP protocol that allows for the bridging or
bundling of two ISDN or analog channels for faster connections.
N
NAT Technology: NAT is short for Network Address Translation. NAT is an
Internet standard that enables a local-area network to use one set of IP addresses
for internal traffic and a second set of IP addresses for external traffic. The Router
provides the necessary IP address translations. NAT is sometimes referred to as "IP
Address Masquerading". This technology provides a type of firewall by hiding the
internal IP addresses.
How does it work?
Every IP address on the Internet is a registered or legal IP address. Therefore, no
two IP addresses on the Internet are the same. For you to use your network device
to access the Internet, you need a registered IP address from your ISP (Internet
Service Provider). Using a registered IP address on your Intranet or LAN is not
necessary. When clients on your network start surfing the Internet, your
Broadband will receive all the requests for information. The Router will dial-up
your ISP and your ISP will give your Router a registered legal IP address. Your
Router uses this IP address to request information saying "send all information
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