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Switching
4.4 Multicasts
Parameter
Send to Query
Ports
Send to All Ports
Discard
Meaning
The device sends the packets with an
unknown MAC/IP Multicast address to
all query ports.
The device sends the packets with an
unknown MAC/IP Multicast address to
all ports.
The device discards all packets with an
unknown MAC/IP Multicast address.
Value range
selected/deselected
Default setting
deselected
selected/deselected
selected
selected/deselected
deselected
Table 15: 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.
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