The PRTG software tool was installed on the client laptops on one side as the source of packets and on the other side as the destination. PRTG generates the traffic in the source laptop and sends it to the destination and at the same time uses its local and remote probes to monitor the traffic. In the PRTG we choose five different types of traffic for measurements: Ping (assigned to Management), HTTP and FTP, RDP (assigned to nRT), VOIP (assigned to eRT). We measure the QOS in there different scenarios