Glossary - Lauda P 10 Operation Manual

14

Glossary

Auto IP
DHCP Client (Dynamic Host Configu-
ration Protocol Client)
DNS server (Domain Name Service
Server)
Gateway
IP address (Internet Protocol Address)
IP version
Local IP address
Local mask
MAC (Media Access Control)
NTP (Network Time Protocol)
Port
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Auto IP is a standardized procedure where two or more participants
agree on the same network configuration.
A DHCP client facilitates the automatic integration of an Ethernet
interface in an existing network. As a result, the interface does not
have to be manually integrated in the existing network.
The Domain Name Service is a database where mainly information on
names and IP addresses of the computer are stored. A DNS can, for
example, disperse a web address or URL (Uniform Resource Locator)
to an IP address. The Ethernet interface specifies the IP address of
the DNS server present in the connected network.
Various networks are connected with one another via a gateway.
Here, an IP address is given that can be used to reach a gateway in a
local network.
Each device within a data network requires an address, so that it
can be clearly identified. This is the only way to ensure that e.g. the
data flow is received by the correct device. When an Internet page is
opened, the browser always transfers the IP address of your device.
This is the only way that the web server can know where to send the
required data packet. The Internet Protocol (IP) is a widely adopted
network standard that stipulates how information can be exchanged.
Provides information about the Internet standard: IPv4 or IPv6.
A well-known example of an IP address is 192.168.0.1. This address is
structured according to the IPv4 standard: Four numbers between 0
and 255, whereby a period separates the numbers from one another.
However, this system only allows a limited number of combinations,
which is why there are IP addresses structured according to the
standard in version 6 (IPv6). They consist of eight blocks of char-
acters that can contain both numbers and letters as shown in
this example: fe80:0010:0000:0000:0000:0000:0000:0001.
Because this can seem rather confusing, a long string of zeros can
be replaced by a colon. The IPv6 address from the example would
therefore appear in a shortened form as follows: fe80:0010::1.
The local IP address is an address for the Ethernet interface in the
local network. The Ethernet interface in the local network can be
reached using this address. If the DHCP client is deactivated, the
local IP address and the local mask must be manually configured. For
manual configuration start by contacting your IT department.
Local (subnet) masks are used to flexibly adapt the rigid class division
of IP addresses in networks and computers to actual conditions.
Media Access Control is an almost unique global hardware address
which can be used to clearly identify the device in an Ethernet net-
work.
Network time protocol is a standard for synchronizing the time and
date in networks.
Port is a number that is used to establish a connection between
two network participants. The port is a part of the network address.
The port for the Ethernet interface can be taken from the approved
"dynamic ports" range. This lies between 49152 and 65535.
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