Known Multicasts - Hirschmann RS20 Reference Manual

Switching
Parameter Meaning
Send to Query The device sends the packets with an
Ports unknown MAC/IP Multicast address to
all query ports.
Send to All Ports The device sends the packets with an
unknown MAC/IP Multicast address to
all ports.
Discard The device discards all packets with an
unknown MAC/IP Multicast address.
Table 31: Unknown Multicasts
Note: The way in which unlearned Multicast addresses are handled
also applies to the reserved addresses from the "Local Network Control
Block" (224.0.0.0 - 224.0.0.255). This can have an effect on higher-level
routing protocols.

4.4.4 Known Multicasts

In this frame you define how the device sends packets with a known MAC/IP
Multicast address that was learned through IGMP Snooping.
Prerequisite: In the Switching:Multicasts:Global Settings dialog,
the IGMP Snooping mode is selected.
RM Web L2E
Release 5.0 04/09
4.4 Multicasts
Value range Default setting
selected/dese- deselected
lected
selected/dese- selected
lected
selected/dese- deselected
lected
79