Dell Networking S6000 System Manual de usuario descargar pdf (Pagina 15)

15 Network Virtualization with Dell Infrastructure and VMware NSX | Version 1.2

In unicast mode, the multicast support on the underlay network switches is no longer required by VXLAN

to handle BUM traffic. A great advantage of this mode is that no network configuration is required on the

physical underlay switches as all the BUM traffic is replicated locally on the host.

In hybrid mode, some BUM traffic on a given local L2 logical segment is offloaded to the first hop physical

switch, which then does the replication for other hosts on the same logical network. Replication of BUM

traffic destined for the same host is still done by the source host. Although, this will provide some better

performance, it requires IGMP Snooping configuration on the first-hop Dell switch. IGMP Querier on the

network is also recommended for generating IGMP queries.

Multicast mode is also still available and offloads all BUM traffic replication to the underlay network; this

requires PIM and IGMP configuration on the physical underlay network.

Figure 9 VMware vSphere Web Client: NSX Manager vCenter Plug-in allows for NSX configuration within

VMware vCenter. Here, a transport zone is being created with control plane mode as unicast.

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Dell Networking S6000 System Manual de usuario Pagina 15