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Forum Discussion
How do the various QOS settings limit speed to devices?
Question to all. Manual and web does not seem to answer the following questions clearly.
How does share excess on/off work - what is the "excess"?
Here is what I interprate I am seeing... and let us assume we are connected to a 100Mbps max down / 100Mbps max up connection (simple math). We have 2 device with a 60/40 allocation in QOS, QOS is turned ON; Antibufferbloat set to always ON with a value set @ 70% and share excess set to OFF.
I would assume the following bandwidth rates for the two devices to apply.
Device 1 (QOS@60%) has a max throughout of 100Mpbs x 60% x 70% ... hence 42Mps
Device 2 (QOS@40%) has a max throughout of 100Mpbs x 40% x 70% ... hence 28Mps
On my unit I download a large file on Device 1 (console) with Device 2 (low/no network demand-other device) it appears to download at the maximum antibufferbloat limit ~ 70Mps and not the individual device rate shown above? Is this how it supposed to work? I would have thought with share excess set to OFF it would be capped at 42Mpbs? Is there a way to limit every device to never used more than the QOS% and resulting Mbps value 100% of the time?
Thanks in advance for answers to come from those with more insight into how things do (or are supposed to) work on this unit.
TTedd
3 Replies
- Did you disable Share Excess for both download and upload? As there is a button for each. Have you changed Traffic Prioritization at all as that would supersede the Anti-BB/Allocation.
Thanks for response. Learned something new... share excess has two places it needs to be set/unset. Always thought it was universal setting for both uploads and downloads. I suspect this explains what I was seeing. The QOS defaults to UPLOAD view and I set share excess to OFF and I was viewing DOWNLOAD behavior. Menu and manual would do well to highlight this in a better way e.g. Share excess button for both upload and download shows in the menu view.
- Great! We will be making that a lot more user friendly in our next update.
