Omron Sysmac NJ-series User Manual page 418

14 Communications Performance and Communications Load
depending on the network connection (e.g., cascade connections of Ethernet switches). Calculate
the number of multicast filters required by each Ethernet switch on the network and make sure
that the number does not exceed the number of Ethernet switch multicast filters. If the number of
Ethernet switch multicast filters is not sufficient, use switches with enough multicast filters or
revise connection settings, such as the RPI settings.
14-10
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)