How do I identify and fix issues with streaming data through a Zyxel router?

Question

Iron

Available:
PC - Win7
Router - Zyxel Keenetic Lite
Provider - Volya (Kiev) - using DOCSIS 3.0
Problem with playing streaming audio, in particular online radio stations. The sound is constantly interrupted, stammering, poorly cached. This applies to both online and desktop players (VLC, WinAmp). The PC is connected to the router via a cable. The Internet speed itself is normal, downloading sites, torrents, etc. occurs at the tariff speed www.speedtest.net/my-result/4159726292 I
often listen to air.radiorecord.ru:8102/tm_128?type=.mp3 No problems at work but at home problem.
Actually how to determine the "bottleneck" in order to fix it?
I tried to change the size of the cache in the players - it's useless.

Answer 1

Can all video sites shape traffic?
And yes, set up QoS, this will help with traffic priorities

Answer 2

QoS in this model is not configurable

Answer 3

I would advise you to configure MTU , in doksis not quite a standard signal encoding system, it is quite possible that you have a lot of traffic fragmentation - this causes delays.

Answer 4

QoS should be done by the provider (provided that the channel in the Internet < the channel between the router and the computer).
First, look at the load of the processor of the router and the channel, if the brakes are with a clean channel and a small load on the CPU of the router, then there is some kind of network problem.
ping the resource and see how big the difference is between max/min and average time.