@Sunshine Almost all model? Meaning my current VR600 could be excluded. I am aware of QoS, but cannot find this feature on the device, can you please direct me? Fireware is updated and I am using the...

Based on your response, I have just purchased the wrong VR600 version. Hard to believe a revised (upgraded) version 2 no longer supports this features. May I ask, is this a hardware or firmware...