Basics of communication with Industrial Ethernet
1.3 Technologies of Industrial Ethernet
Industrial Ethernet
32 System Manual, 09/2019, C79000-G8976-C242-10
1.3.2.3 IPv4 / IPv6
What are the essential differences?
IP configuration
• DHCP server
• Manual
• Stateless Address Autoconfiguration (SLAAC): Stateless
autoconfiguration using NDP (Neighbor Discovery Proto-
col)
– It creates a link local address for every interface that
does not require a router on the link.
– It checks the uniqueness of the address on the link
that requires no router on the link.
– It specifies whether the global addresses are obtained
via a status-free mechanism, a mechanism with status
or via both mechanisms. (Requires a router on the
link)
• Manual
• DHCPv6
Detecting duplicate IP ad-
dresses
Duplicate address detection
Procedure to ensure that an IP address is only assigned to
one interface within the framework of the Stateless Automatic
Address Configuration.
What happens if the address is duplicated? An LLA must
then be assigned manually.
Available IP addresses 32-bit: 4, 29 * 10
9
ad-
128-bit: 3, 4 * 10
38
addresses
Address format Decimal: 192.168.1.1
with port: 192.168.1.1:20
Hexadecimal: 2a00:ad80::0123
with port: [2a00:ad80::0123]:20
Loopback (local computer)
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