Fritz! Box 3370 Installation And Operation Manual page 124

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Glossary
The central administration of the TCP/IP operation parame-
ters makes it possible to avoid address conflicts caused by IP
addresses
once.
DHCP is used in IPv4 networks
DHCP server
The DHCP server assigns each client an IP address that it has
not yet been assigned at the present time. The DHCP server
also informs the client of the IP addresses of the DNS server
to be used and of the default gateway. In assigning the IP ad-
dresses the DHCP server selects from a prescribed range of IP
addresses.
DHCP is used in IPv4 networks
DNS
short for Domain Name System
Domain Name Service takes care of determining the IP ad-
dress for a given domain name. This Domain Name Service
runs on every computer. It accepts the domain name entered
by a user and inquires about the corresponding IP address at
a DNS server known to the service. If a DNS server cannot an-
swer the inquiry itself, it can inquire about the IP address
(DNS resolution) at other DNS servers.
If the Domain Name Service receives negative information
from the DNS server (domain name not known), it can send
inquiries to other DNS servers it knows or return a corre-
sponding error message to the user. If it receives the desired
IP address instead, the application can use the IP address to
retrieve the destination desired by the user.
This hierarchical system of DNS servers is known as the Do-
main Name System. The addresses of the DNS servers at
which the Domain Name Service is to inquire by default gen-
erally are handed over to the computer by the Internet service
provider automatically whenever a connection to the Internet
is established.
FRITZ!Box 3370
(see
glossary) accidentally assigned more than
124
(see
glossary).
(see
glossary).

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