By using the system traffic qualifier in a rule for port group or port, you can determine whether certain system data traffic must be marked with a QoS tag, allowed, or dropped.

You can select the type of traffic through the ports of the group that carries system data, that is, traffic for management from vCenter Server , storage, VMware vSphere® vMotion®, and vSphere Fault Tolerance. You can mark or filter only a specific traffic type, or for all system data traffic except for a infrastructure feature. For example, you can mark with a QoS value or filter the traffic for management from vCenter Server , storage and vMotion, but not the traffic carrying the Fault Tolerance data.