ENGINEERING ETHE RNE T
1VLG5 00007 E 81
3.5.10.3 Switching Settings <Mandatory>
The traffic segregation is essential especially for process bus to reduce data traffic and to let
it go only where needed (for example GOOSE, SMV shared between protection relays should
be not sent to the control system, SMV should be sent only where required). Traffic filtering
in managed Ethernet switches can be done via logical separation of the data traffic to several
VLANs or via multicast MAC address filtering for ports.
Switching / Global
Global setting should be kept as default.
Configuration
– Activate Flow Control = disabled
– Address Learning = enabled; it is disabled only to observe data at all ports (disable direct
packet distribution)
– Frame size = 1 522, 1 552 is intended for double VLAN tagging
Figure 106: Switching Global dialog in AFS67x (on top) and AFS66x (on bottom)
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