SQM QoS

[Yessine1200]

Hello,
I want to understand exactly how to use SQM to improve QoS. In the wizard, there are two boxes: one to enable SQM and the other for SQM autorate.

1. For the first one, do I need to modify the DL/UL traffic for the links I want to aggregate to avoid link saturation?
2. For the tunnel created to aggregate the throughput, what values should I set?
3. How can I prioritize UDP traffic?

[Ysurac]

SQM mitigate bufferbloat.
If you set SQM and download/upload values via the wizard all is set automatically.
There is no prioritization of traffic via SQM.

For more info on SQM: https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm

[Yessine1200]

I see in the documentation you sent: SQM is an integrated system that performs per-packet/per flow network scheduling, active queue length management (AQM), traffic shaping/rate limiting, and QoS (prioritization). If that true I can prioritize ? or I have to install other tool to do that ?

[Ysurac]

You can use DSCP for priority or install luci-app-qos instead of SQM.

[Yessine1200]

For example, If I priorise UDP trafic for video diffusion using DSCP: how OMR will react ? The traffic will be send over the link with lower latency ? and OMR will use openVPN(I mean the tunnel created between OMR and VPS) to send the trafic to the server (I am using v6.0beta2)?

[Yessine1200]

If I use SQM Autorate, OMR utilizes the defined algorithm to automatically detect the maximum/minimum speed based on latency and congestion, especially for mobile networks. My question is: Does SQM Autorate calculate the maximum speed periodically? Because, as you know, mobile networks are not stable in terms of latency and speed.

[github-actions]

This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 5 days