After editing a QoS class (e. g. for changing its guaranteed bandwidth), its ToS flag is cleared and there is no way of restoring it. This looks like a bug introduced with the revamped QoS, which is why I am assigning this to you. :-) Steps to reproduce: 1. Open up the WebUI and navigate to the QoS page. 2. Edit a QoS class by pressing the yellow pencil button next to it. Note it's ToS flag (1, 2, 8, etc.). 3. Click "save" in the dialogue. The QoS class is now saved, but its ToS flag is empty.