There are two main components of the Cisco Nexus 1000V distributed virtual switch; the VSM (Virtual Supervisor Module) and the VEM (Virtual Ethernet Module). If you are familiar with Cisco products and have worked with physical Cisco switches, then you will already know what the supervisor module and ethernet modules are. In essence, a distributed virtual switch, whether we are talking about the vSphere (vDS) or N1KV have a common architecture. That is the control and data plane, which is what makes it ‘distributed’ in the first place. By separating the control plane (VSM), and the data plane (VEM), a distributed switch architecture is possible as illustrated in the diagram here (left).
Another similarity that is the use of port groups. You should be familiar with port groups as they are present on both the VMware vSS and vDS. In Cisco terms, we’re talking about ‘port profiles’, and they are configured with the relevant VLANs, QoS, ACLs, etc. Port profiles are presented to vSphere as a port group.
There are two main components of the Cisco Nexus 1000V distributed virtual switch; the VSM (Virtual Supervisor Module) and the VEM (Virtual Ethernet Module). If you are familiar with Cisco products and have worked with physical Cisco switches, then you will already know what the supervisor module and ethernet modules are. In essence, a distributed virtual switch, whether we are talking about the vSphere (vDS) or N1KV have a common architecture. That is the control and data plane, which is what makes it ‘distributed’ in the first place. By separating the control plane (VSM), and the data plane (VEM), a distributed switch architecture is possible as illustrated in the diagram here (left).Another similarity that is the use of port groups. You should be familiar with port groups as they are present on both the VMware vSS and vDS. In Cisco terms, we’re talking about ‘port profiles’, and they are configured with the relevant VLANs, QoS, ACLs, etc. Port profiles are presented to vSphere as a port group.
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