
Configuring Network Parameters
To complete the configuration of a PLC network, it is still necessary to assign the
correct network parameters to each device, including the configuration of the IP
address, of the subnet mask, of the default gateway address, and of the DNS
address.
Before tackling these actual configuration steps, the following sections provide
a reminder of a few essential notions on managing network configurations such as
IP addresses, subnet mask, and DNS.
Review of Network Parameters
Managing communication in a network is governed by a high number of
functionalities related to the standards used. One of them, the Internet Protocol (IP),
defines how to communicate with an addressing system and particular routing
mechanisms.
IP Addresses
Each computer connected to a local area network or to the Internet uses the combi-
nation of two protocols, TCP (or UDP) and IP, better known as TCP/IP or UDP/IP.
To communicate, each computer has a single IP address. IP addresses are of the
x.x.x.x form, where x corresponds to a number between 0 and 255.
Configuring Network Parameters 211
Figure 9.38 Configuration of priority and security parameters for a DS2 PLC device
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