I had a customer who were running few application VMs in their on-premises datacenter which uses multicasting as main mechanism in order to form cluster blocks. They are in process of migrating the workloads from On-premises to VMware on AWS SDDCs. The application Architect wanted to ensure that the VMC supports multicasting within AWS VMC so that they migrate the VMS ( Life & Shift) without major downtime/config changes to their applications clusters. Let's see how things works within VMC world In VMC setup the Multi casting feature is enabled by default. In SDDC networks, layer 2 multicast traffic is treated as broadcast traffic on the network segment where the traffic originates. It is not routed beyond that segment. VMC Limitation: Optimisation features such as IGMP snooping are not supported. Layer 3 multicast (such as Protocol Independent Multicast) is not supported in VMware Cloud on AWS. In the above example case, the customer has L2 multicast, let's check i
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