Siemens SIMATIC NET System Manual

Also see for SIMATIC NET: Operating instructions User manual Installation instructions Manual Configuration manual

Contents

Basics of communication with Industrial Ethernet1.3 Technologies of Industrial EthernetIndustrial Ethernet32 System Manual, 09/2019, C79000-G8976-C242-101.3.2.3 IPv4 / IPv6What are the essential differences?IPv4 IPv6IP configuration • DHCP server• Manual• Stateless Address Autoconfiguration (SLAAC): Statelessautoconfiguration using NDP (Neighbor Discovery Proto-col)– It creates a link local address for every interface thatdoes not require a router on the link.– It checks the uniqueness of the address on the linkthat requires no router on the link.– It specifies whether the global addresses are obtainedvia a status-free mechanism, a mechanism with statusor via both mechanisms. (Requires a router on thelink)• Manual• DHCPv6Detecting duplicate IP ad-dressesDuplicate address detectionProcedure to ensure that an IP address is only assigned toone interface within the framework of the Stateless AutomaticAddress Configuration.What happens if the address is duplicated? An LLA mustthen be assigned manually.Available IP addresses 32-bit: 4, 29 * 10 9 ad-dresses (32-bit)128-bit: 3, 4 * 10 38 addressesAddress format Decimal: 192.168.1.1with port: 192.168.1.1:20Hexadecimal: 2a00:ad80::0123with port: [2a00:ad80::0123]:20Loopback (local computer) 127.0.0.1 ::1