Table of contents
1.5.10
Network structures ................................................................................................................. 61
1.5.10.1
Infrastructure mode ................................................................................................................ 61
1.5.10.2
Ad hoc networks..................................................................................................................... 66
1.5.11
1.6
1.6.1
1.6.2
2
2.1
2.2
Network structures ................................................................................................................. 75
2.2.1
Network topologies ................................................................................................................ 75
2.2.2
Linear structure ...................................................................................................................... 75
2.2.3
Star structure .......................................................................................................................... 76
2.2.4
Ring structure ......................................................................................................................... 79
2.2.5
2.2.6
VLAN ...................................................................................................................................... 82
2.3
Media redundancy ................................................................................................................. 82
2.3.1
2.3.2
2.3.3
MRP ....................................................................................................................................... 84
2.3.4
MRP Interconnection ............................................................................................................. 86
2.3.5
MRPD ..................................................................................................................................... 88
2.3.6
HRP ........................................................................................................................................ 89
2.3.7
PRP ........................................................................................................................................ 89
2.3.8
RNA ........................................................................................................................................ 91
2.3.9
STP / RSTP / MSTP .............................................................................................................. 92
2.3.10
RSTP+.................................................................................................................................... 93
2.3.10.1
2.3.10.2
Topology for RSTP+ .............................................................................................................. 94
2.3.11
Link aggregation..................................................................................................................... 97
2.4
Network security..................................................................................................................... 98
2.4.1
2.4.2
Firewalls ............................................................................................................................... 100
2.4.3
NAT/NAPT ........................................................................................................................... 101
2.4.4
2.4.5
Cell protection concept ........................................................................................................ 102
2.4.6
3
Examples of applications ..................................................................................................................... 107
3.1
Virtual segmentation ............................................................................................................ 107
3.2
3.3
3.4
Cell protection concept ........................................................................................................ 111
3.5
3.6
3.7
8
System Manual, 09/2019, C79000-G8976-C242-10
Industrial Ethernet