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Forum Discussion
mbolo01
Jun 05, 2026Apprentice
Orbi 37x and Local Network Control Block (224.0.0/24) multicast
Dear all, I have an Orbi setup (RBE371 and 2x RBE370) that is causing me headaches with LAN multicast. One of my music application leverages multicast against 224.0.0.234 for node/companion ...
mbolo01
Jun 05, 2026Apprentice
FURRYe38 we exchanged already about the hourly WiFi disconnect in RBS, still no progress from Netgear on this front and still hourly disconnects on my side.
- I have tested against RBR, as well as against RBS, i.e two hosts connected to the same Orbi kit sending multicast packets to 224.0.0.234, this traffic does not go through.
- RBR is having a static IP address, no DHCP here.
- RBR is connected to a french FAI router (Freebox Delta) which is multicast aware (this is the way their TV stream is distributed), but not applicable here I guess as we ar in the Local Network control block space according to IANA.org
- Agree that ALL should be flowing thru the system, particularly when both are connected to the same RBS, I don't see here the need for the FAI router involvement, particularly for a local network only traffic. I have a single IP subnet.
- The music app uses Snapjack for this purpose, there is no special requirement but allowing multicast to 224.0.0.234 for discovery purpose.