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Page 121 / 172 Scroll up to view Page 116 - 120
Network Settings in the FRITZ!Box
FRITZ!Box 6490 Cable
121
•
Fixed IPv4 addresses are registered in the network set-
tings of the computer, and you do not want to or are not
permitted to change these addresses.
•
You want to connect the FRITZ!Box to the local IPv4 net-
work in order to make the FRITZ!Box features available to
all of the computers in the IPv4 network.
Reserved IP Addresses
The entire IP network 192.168.180.0 in the FRITZ!Box is re-
served for internal purposes.
IPv4 addresses from this network may
not
be assigned to the
FRITZ!Box.
DHCP Server for IPv4
The FRITZ!Box is equipped with its own DHCP server for the
IPv4 network. The DHCP server is enabled by default in the
factory settings. The following range of IP addresses is re-
served for the DHCP server in the factory settings:
192.168.178.20 – 192168178200
This IP address can be changed as needed.
Every time the operating system on a computer connected
with FRITZ!Box is started, the DHCP server assigns it an IPv4
address from the IP address range of the DHCP server.
Only one DHCP server may be active within any network.
Assigning the IP addresses via the DHCP server ensures that
all of the computers connected with the FRITZ!Box are located
in the same IP network.
The computers can receive their IPv4 addresses from the
DHCP server only if the setting “Obtain an IPv4 address auto-
matically” is enabled in the their IP settings. For more infor-
mation, see the chapter
Obtaining an IP Address Automatical-
ly
from
page 124
.
Page 122 / 172
FRITZ!Box 6490 Cable
122
Network Settings in the FRITZ!Box
Fixed IPv4 Addresses When the DHCP Server Is Enabled
If you would like to configure fixed IPv4 addresses on individ-
ual computers connected with the FRITZ!Box even though
DHCP server is enabled, please note the following:
•
The IPv4 addresses must be from the IPv4 network of the
FRITZ!Box.
•
The IPv4 addresses may not come from the address
range of the DHCP server.
•
Each IPv4 address can be assigned only once.
Disabling the DHCP Server
You can disable the DHCP server.
To make sure that all computers remain in the same IP net-
work when the DHCP server is disabled, you must enter the
IPv4 addresses manually in the computers’ network settings.
First disable the option “Obtain an IP address automatically”
and then enter the IP address manually in the appropriate
field.
In the case of the preset IPv4 address of the FRITZ!Box, the
following IPv4 addresses are available for assignment to the
computers:
Here too: each IPv4 address can be assigned only once.
Changing Network Settings
1.
Open the FRITZ!Box user interface; see
page 25
.
2.
Enable the advanced view.
3.
Select the “Home Network / Network” menu.
4.
Select the “Network Settings” page.
5.
Click the “IPv4 Addresses” or “IPv6 Addresses” button,
depending on the address range you would like to
change.
192.168.178.2 – 192168178254
Page 123 / 172
Network Settings in the FRITZ!Box
FRITZ!Box 6490 Cable
123
Note that changes to the network settings in the FRITZ!Box
may make it necessary to adjust the network settings of your
computers so that you can continue to access the FRITZ!Box
user interface.
IPv6 Settings in the FRITZ!Box
The following settings options for IPv6 are found in the ad-
vanced view in the “Home Network / Network” menu on the
“Network Settings” page.
Additional IPv6 Routers in the Home Network
•
IPv6 prefixes from other IPv6 routers
You can allow the network devices connected to the
FRITZ!Box to receive IPv6 prefixes announced by other
IPv6 routers in the local network.
•
Also announce DNSv6 server via router advertisement
With this setting you specify that the FRITZ!Box announc-
es the local DNSv6 server in the local network via router
advertisement. Alternatively, the network devices can
identify the local DNSv6 server via DHCPv6.
IPv6 Settings
Click the “IPv6 Addresses” button to configure settings for
the IPv6 addresses in the local network.
Unique Local Addresses
Communication within the local network takes place via the
Unique Local Addresses (ULA). If no IPv6 Internet connection
is established, the network devices do not have a ULA and
communication between them is restricted. For this case you
can set the FRITZ!Box such that the network devices receive
the ULA from the FRITZ!Box.
DHCPv6 Servers in the Home Network
The FRITZ!Box is equipped with its own DHCPv6 server. The
DHCPv6 server of the FRITZ!Box is switched on by default.
Page 124 / 172
FRITZ!Box 6490 Cable
124
Obtaining an IP Address Automatically
The DHCPv6 server assigns the network devices their IPv6
settings. These settings are used instead of the data in the
router advertisement messages. The DNS server, IPv6 prefix-
es or IPv6 addresses can all be assigned by DHCPv6. Define
which IPv6 settings should be assigned by the DHCPv6 serv-
er.
UPnP Settings
The Universal Plug-and-Play (UPnP) service included in your
FRITZ!Box provides status information about the FRITZ!Box to
all connected computers. UPnP-compliant programs on these
computers can receive this information and use it to display
the status of the FRITZ!Box (e.g., connection status, data
transmission). UPnP service thus allows you to monitor your
FRITZ!Box from a connected computer.
Here is how to change the UPnP settings:
1.
Open the FRITZ!Box user interface; see
page 25
.
2.
Enable the advanced view.
3.
Configure the UPnP settings in the “Home Network / Net-
work” menu on the “Programs” page.
17.2
Obtaining an IP Address Automatically
The FRITZ!Box has its own DHCP server, which assigns IP ad-
dresses to the connected computers. The connected comput-
ers must be configured such that they can receive their IP ad-
dresses automatically. The steps for checking and adjusting
this option differ among the operating systems. See the rele-
vant section for your operating system.
If FRITZ!Box is operated in a network, no other DHCP server
may be activated in this network.
Page 125 / 172
Obtaining an IP Address Automatically
FRITZ!Box 6490 Cable
125
Obtaining an IP Address Automatically in Windows
1.
In Windows 7 and Vista click “Start”.
In Windows 8 and 8.1, press the Windows key and the Q
key at the same time.
In Windows 7 and Vista, the Start menu with the Search
field appears. In Windows 8 and 8.1 the Search menu for
apps appears.
2.
Enter “ncpa.cpl” in the search field and press Enter.
Entering “ncpa.cpl” in Windows 8
3.
Click the network connection between the computer and
the FRITZ!Box with the right mouse button and select
“Properties”.
4.
Under “This connection uses the following items”, select
“Internet Protocol Version 4 (TCP/IPv4)”.
5.
Click the “Properties” button.
6.
On the “General” tab, enable the options “Obtain an IP
address automatically” and “Obtain DNS server address
automatically”.

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