Dumlu Timuralp (@dumlutimuralp) sent me an excellent question:
I always get confused when thinking about IP multicast traffic over VXLAN tunnels. Since VXLAN already uses a Multicast Group for layer-2 flooding, I guess all VTEPs would have to receive the multicast traffic from a VM, as it appears as L2 multicast. Am I missing something?
Short answer: no, you’re absolutely right. IP multicast over VXLAN is clearly suboptimal.
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