@chrsan01 

 

Hi,

 

Have you tried playing around with the QoS Download/Upload Bandwidth values?

 

I have a BE550 and if I honestly enter the upload bandwith of my broadband connection, then Waveform's bufferbloat test shows me up to +800ms for upload, whereas if I completely overstate my upload bandwith (like double it), then it shows me +8ms. I know this doesn't make any sense, but it still might be worthwhile to try for you.

@woozle 

 

Yes. I have tried changing the values for download and upload and it is as you have said.

 

For download:

    if I provide a value greater than 115Mbps ( 10 + baseline of 105Mbps )

    then the available bandwidth for download and loaded download latency, remain unchanged, similar to when QoS is turned off (105Mbps / 65-80ms)

 

For upload

    if I provide a value greater than 125Mbps ( 10 + baseline of 115Mbps )

    then the available bandwidth for upload and loaded upload latency, remain unchanged, similar to when QoS is turned off (115Mbps / 5-10ms)

 

But in both cases

    if I set the value to 100Mbps/100Mbps (as per ISP plan) or 105Mbps/115Mbps (baseline, as per multiple speed tests) or even (<10Mbps + baseline), such that it reduces the available bandwidth,

    that's when the respective loaded latencies increase by a lot.

 

The Archer C6 was able to maintain Unloaded 5ms and Loaded (Download and Upload) ~6ms stable, which isn't currently possible with the BE400 no matter how much I play around with the values.

GE800, BE800, BE550, they all have the same problem, the QoS is broken, its activation congests the upload with latencies of almost a second. I also reported the problem at the beginning of the year, they didn't care.

 

My original post:

https://community.tp-link.com/en/home/forum/topic/745746

@Doc_Octopus 

 

True.

 

Hope they fix this.

 

On a side note I am really curious as to how C6 manages this better.

We have 2 xbox series X connected to the same network and, when one is updating, on the other console it is impossible to play due to the very high ping. I have to block the download while playing and reactivate it during the night hours.

  @chrsan01 

 

Installed the latest firmware 1.0.9 Build 20250417 rel.46306(5553) and no improvement whatsoever. 

 

Out of curiosity, does the paid version (Security+) offer any QoS options? I saw a ad which mentioned "better qos" on the paid plan.