Hello @Kevin_Z, thank you for your response. The situation however somehow resolved itself. It might have been a coincidence that after switching to old router I was getting high speeds, and after...

All I can say to you is that some models of TP-LINK do not allow you to specify WAN bandwidth. The QoS in i.e. Archer c2300 is VERY limited. So if you want to have good control over QoS, you may want...

@epek how did you do it?! :D Please, return! :D

Sorry, I don't understand it, how can a company release an update that trims the functionality of its hardware? Can anyone explain it to me?

I've just bought Archer C2300 and I've noticed that my file download speeds are very poor. I have 250mbit connection at home but I can download files up to 800kb/s. Speedtest.net shows...