VMware NSX - The Controller Cluster

Introduction The controller cluster in the NSX platform is the control plane component responsible for managing the hypervisor switching and routing modules. This includes the logical switches and VXLAN overlay. Due to the centralized, decoupled model of the controller, it provides the ability to reduce broadcast traffic, in turn negating…

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VMware Standard, Distributed and Logical vSwitches Explained

Introduction In the world of virtualization and connectivity, the virtual switch is one of the most fundamental components, providing networking connectivity between virtual machines, along with connecting them to the physical world. VMware provides 3 types of virtual switch, the virtual Standard Switch (vSS), the virtual Distributed Switch (vDS), and…

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VMware NSX-V - Replication Modes

When BUM (Broadcast, Unknown unicast and Multicast) traffic is sent out from a VM, the source VTEP must replicate this traffic out to the other VTEPs via VXLAN encapsulation. NSX provides 3 modes of replication - Multicast, Unicast and Hybrid. Multicast Multicast replication utilizes L2 (IGMP) and L3 (PIM) multicast…

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