FRITZ WLAN-7340 Router Manual PDF (Setup & Configuration Guide)

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Supplementary Software for VPN

156

IPSec is a tunnel protocol that offers state-of-the-art en-

cryption procedures and can be integrated seamlessly in-

to existing IP networks. The AES encryption algorithm is

used in the FRITZ!Box VPN solution. AES is the most mod-

ern encryption algorithm.

5.4

Supplementary Software for VPN

All of the information required for a VPN is saved in a

configuration file. The terminals involved in any VPN must

receive this file.

If an individual computer is integrated into a network via a

VPN, the computer must have a VPN client installed.

•

The “FRITZ!Box VPN” Configuration Wizard

AVM provides the “Configure FRITZ!Box VPN” soft-

ware to set up configuration files. This program is a

wizard that takes you step by step through the VPN

configuration. All of the necessary VPN settings, like

the encryption method and access rules, are set au-

tomatically. The resulting configuration files must be

imported to the respective terminals of the VPN tun-

nel. At the terminal with the FRITZ!Box, the configura-

tion file is then imported to the FRITZ!Box. The VPN

parameters in these files can be adjusted manually

to connect to products by other manufacturers.

•

The “FRITZ!VPN” VPN Client

AVM offers the “FRITZ!VPN” software as a VPN client.

Both the wizard and the client can be downloaded free of

charge from the VPN Service Portal on the AVM web site:

www.avm.de/en/vpn

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157

More about Bandwidth Management and Prioritization

6

More about Bandwidth Management and Prioritization

Integrated bandwidth management ensures high speech quality for

telephone calls over the Internet with the FRITZ!Box.

The FRITZ!Box offers a prioritization function that can be used to divide

network applications and network devices into three different catego-

ries. The category assigned determines whether an application or de-

vice is treated with more or less priority when it accesses the Internet.

6.1

Bandwidth Management

The FRITZ!Box is equipped with integrated bandwidth

management. This function ensures that the speech quali-

ty during telephone calls over the Internet is not reduced

by surfing activity. To do this, the FRITZ!Box adjusts all up-

loads and downloads to the currently available band-

width. Because the FRITZ!Box also places a higher priority

on Internet telephony connections over Internet data con-

nections, unwelcome interference is largely avoided. Just

as for any other analog call, once Internet telephony trans-

mission capacity has been reached, remote partners hear

a busy signal.

6.2

The Prioritization of Network Applications and Network Devices

Prioritization is a function you can use to specify that net-

work applications and network devices are treated with

higher or lower priority when they access the Internet con-

nection. For example, you may wish to ensure that appli-

cations like Internet telephony, IPTV and video on demand

are always treated with higher priority than other applica-

tions. You can also specify that file-sharing applications

like eMule and BitTorrent always have to wait behind on-

line games.

The following methods are used in the FRITZ!Box to send

data packets according to their prioritization:

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Categories for Prioritization

158

•

Change in the order in which packets are sent to the

Internet (upstream direction)

The order of the packets the FRITZ!Box receives from

the Internet (downstream direction) cannot be

changed.

•

Discard low-priority packets in order to ensure the

transmission of higher-priority packets. This method

is used whenever more packets are supposed to be

sent to the Internet than the upstream transmission

rate of the Internet connection alllows.

•

As long as no packets are being sent from higher-pri-

ority applications, the full transmission rate of the

Internet connection is available for low-priority pack-

ets.

Categories for Prioritization

There are three categories for prioritization: “Real-time ap-

plications”, “Prioritized applications” and “Background

applications”. The categories are explained below.

•

Real-time applications

This category is suitable for applications with high

demands on transmission speed and reaction times

(for example, Internet telephony, IPTV, video on de-

mand).

–

Network applications of this category always have

priority over other applications accessing the In-

ternet at the same time.

–

When the Internet connection is working at full ca-

pacity, the network packets of the applications of

this category will always be sent first. In this case

data from network applications assigned to other

categories, like “Prioritized applications”, will be

transmitted later.

–

If multiple network applications are assigned to

this category, then they must share the available

capacity.

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159

Categories for Prioritization

–

Whenever Internet telephony is included in this

category, this application always has the highest

priority, even over other real-time applications.

•

Prioritized applications

This category is suitable for applications that require

a fast reaction time (for example, company access,

terminal applications, games).

–

For network applications prioritized in this cate-

gory, 90% of the FRITZ!Box’s upload bandwidth is

available, as long as no application from the

“Real-time applications” category requires band-

width. The remaining 10% of the upload band-

width is available for applications that are prioriti-

zed in lower categories or not prioritized at all.

–

If multiple network applications are assigned to

the “Prioritized applications” category, then they

must share the available capacity.

•

Background applications

This category is suitable for applications that do not

require any high transmission speed and which are

not time-critical (for example, peer-to-peer services

or automatic updates).

–

Network applications assigned to this category

are always treated with the lowest priority when

the Internet connection is working at full capacity.

So whenever an application from a different cate-

gory or a non-prioritized application requires the

entire bandwidth, all background applications

must wait until bandwidth capacity becomes

available again.

–

If no other network applications are active, then

the background applications receive the entire

bandwidth.

Network applications and network devices are assigned to

the categories using rules.

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Categories for Prioritization

160

In order to use prioritization, the “Expert Mode” must be

enabled in the user interface of the FRITZ!Box.

1.

Start a web browser on your computer and enter

fritz.box

in the address field of the browser.

2.

Click “Expert Mode” in the “System” menu, enable

the setting “Show expert settings” and confirm this

setting by clicking “Apply”.

Menu

The “Prioritization” menu is located in the “Internet”

menu.

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