FRITZ WLAN-7390 Router Manual PDF (Setup & Configuration Guide)

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Glossary

Network address of the subnet:

192.168.178.0

Address of the computer in the

subnet:

192.168.178.247

IP address pool in the subnet:

192.168.178.0 -

192.168.178.255

The IP addresses

192.168.178.0 and

192.168.178.255 are

reserved. This means that the

addresses from

192.168.178.1 to

192.168.178.254 are

available for assignment to the

computers. Therefore a

maximum of 254 computers

can be included in the

subnetwork.

Example 2

IP address:

192.168.178.247

Subnet mask:

255.255.0.0

The assignment of the first two groups of numerals in the

subnet mask indicates that the first two groups of numerals in

the IP address define the network. The following addresses

result:

Network address of the subnet:

192.168.0.0

Address of the computer in the

subnet:

192.168.178.247

IP address pool in the subnet:

192.168.0.0 -

192.168.255.255

That’s 65,536 IP addresses.

The IP addresses 192.168.0.0

and 192.168.255.255 are

reserved. This means that the

addresses from 192.168.0.1 to

192.168.255.254 are

available for assignment to the

computers.

Example 1

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Glossary

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187

TCP/IP

abbreviation for Transmission Control Protocol / Internet

Protocol

TCP/IP is the “language” of the Internet. TCP/IP is used to

refer to a suite of protocols used for data communication

over the Internet. TCP and IP are the network and transport

protocols underlying most Internet services, including file

transfer (FTP) and e-mail communication (SMTP). TCP/IP is

available for practically all computer systems. TCP/IP thus

offers the advantage of trouble-free communication be-

tween otherwise incompatible networks and systems.

TR-069

T-069 is an HTTP-based protocol for communication be-

tween CPE (Customer Premises Equipment) and an Auto

Configuration Server (ACS) belonging to the Internet Ser-

vice Provider. The TR-069 protocol is also known under the

alternative name CPE WAN Management Protocol (CWMP).

It offers the possibility of setting up the terminal device

securely and automatically and thus, most importantly, fa-

cilitates simple initial configuration of the ADSL terminal

equipment by the end customer (autoprovisioning).

The TR-069 protocol can be used for automatic configura-

tion only if it is actively supported by the given terminal

device. For this an Auto Configuration Client (ACC) must be

integrated in the device. The specifications for automatic

configuration of the ADSL terminal device are stored on

the Auto Configuration Server by the given Internet Service

Provider. As soon as the ADSL terminal device initiates the

autoconfiguration process, the settings are retrieved from

the Auto Configuration Server and implemented in the

ADSL terminal device without any further interaction with

the user. During this process all of the communication be-

tween the ADSL terminal device and the Auto Configura-

tion Server takes place in encrypted form.

UMTS

abbreviation for Universal Mobile Telecommunications

System

UMTS is a third-generation (3G) mobile radio standard

with throughput rates of 384 Kbit/s to 7.2 Mbit/s.

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Glossary

The high throughput rates make it possible to support

multimedia services. With special cards or USB sticks the

Internet connection can also be provided for laptops or

computers via UMTS.

Update

A more recent version of software or firmware is called an

update. Updates are often free of charge, resolve minor

programming errors, and sometimes also offer new func-

tions.

Upload

This term designates the procedure of transmitting files

from one’s own computer to another computer in the Inter-

net.

UPnP

abbreviation for Universal Plug and Play (UPnP)

UPnP is an extension of the Microsoft Plug & Play standard

that allows devices to network globally and to exchange

services—without a central server or computer.

UPnP allows devices from all kinds of manufacturers (ste-

reo systems, routers, printers, house controls) to be con-

trolled via an IP-based network, with or without central

control through a gateway. It is based on a number of

standardized network protocols and data formats. Ex-

pressed simplistically, devices can communicate with

each other automatically using UPnP to exchange informa-

tion.

Today the UPnP forum specifies the UPnP standard and

certifies devices that are compliant with this standard.

UPnP AV

abbreviation for Universal Plug and Play Audio/Video

UPnP AV is a UPnP specification for the interaction be-

tween the media server, playback devices and devices

controlling the streaming of audio and video data within

networks. Media servers are devices that make audio and

video data available upon request. Playback devices ren-

der the audio and video data (television, stereo system,

streaming clients). Control devices are remote controls.

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Glossary

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VDSL

abbreviation for Very High Speed Digital Subscriber Line

In Germany, the DSL technology VDSL is increasingly be-

coming available in the VDSL2 (G993.2) version. VDSL2 is

a further development of the ADSL2+ standard, to which it

is fully downward compatible. The standard provides for

throughput rates of up to 100 Mbit/s for uploading and

downloading, but requires a distribution network with a

more closely meshed infrastructure—a demand that is

hardly economical outside of major urban areas.

VPN

abbreviation for Virtual Private Network.

VPN serves to integrates devices from a neighboring net-

work into your own network, without the networks having

to be compatible with each other.

A VPN is generally an independent company network dis-

tributed over several locations, which uses the infrastruc-

ture of a public communications network to link its partial

networks or to link individual computers to the rest of the

network. A VPN uses tunneling technologies and typically

builds on the infrastructure of the Internet.

Using a Virtual Private Network it is possible to use all net-

work applications of the company network even from dis-

tant locations. This means it is possible to use the advan-

tages of the network even over large geographical dis-

tances.

VPN facilitates optimum information flow without delay

throughout the entire company, even to offices in other lo-

cations. E-mail servers, file sharing and other central ap-

plications of the company network can thus be made

available via VPN even to distant branch offices, subsid-

iaries and home offices. With VPN, field representatives of

a company can also be granted secure access to the com-

pany network.

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Glossary

VoIP

abbreviation for Voice over IP, also known as Internet tele-

phony

Voice over IP makes telephone calls possible via the Inter-

net. The technology has already been in use for years, but

today it allows even private customers the convenience fa-

miliar from conventional telephony, usually at significant-

ly lower prices. VoIP has also made it considerably more

convenient to use applications like conference calls and

answering machines in networks. Added to this are global

accessibility under a single telephone number and new

VoIP features like the Buddy List known from chat rooms.

Internet telephony used to be possible only with a head-

set connected to the computers of the callers and their

conversation partners. Today voice connections via the In-

ternet, even to fixed-line and mobile networks, can be

conducted conveniently using VoIP telephone systems

that allow already existing analog telephones to be used

even when the computer is switched off. Various Internet

Service Providers and telephony carriers provide SIP-

fixed-line gateways for this purpose. Such a gateway is

used to produce voice connections between the Internet

and conventional telephone networks. In principle VoIP

conversations are possible via every DSL access point, but

for convenient use with existing terminal equipment, and

for conversations with the fixed-line and mobile networks,

it is important that the DSL provider support what is

known as the SIP standard. SIP is the current standard de-

fined for VoIP by the IETF (Internet Engineering Task Force).

WLAN

abbreviation for Wireless Local Area Network

The term WLAN designates the industry standard for wire-

less local networks passed by the Institute of Electrical

and Electronics Engineers (IEEE) in 1997 under the title

IEEE 802.11.

By means of WLAN technology, individual computers or

network devices like printers or DSL access points can be

linked wirelessly to an existing cable-connected local net-

work (LAN), or LANs can be converted completely to a

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