this post was submitted on 10 Feb 2026
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QoS / Traffic Shaping in Bazzite (discuss.tchncs.de)
submitted 1 week ago by Ascendor@discuss.tchncs.de to c/linux_gaming@lemmy.world
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geteilt von: https://discuss.tchncs.de/post/54623764

Hey, on Windows I was a cFos Speed user for ages. cfosspeed is a 3rd party QoS software, which helped a lot for having a low latency even when bandwith is used up. I could easily play latency-sensitive games while having downloads running.

Now with Bazzite, I recognized how much good work cfos did. I had Heroic Games Launcher download a game, and play Rocket League via Steam at the same time - and ping was bad.

Is there any best practice for QoS on Bazzite? cFos basically did two things:

  • Prioritize acks over new packets
  • Prioritize packets known for gaming (e.g. due to used ports)
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[–] HelloRoot@lemy.lol 10 points 1 week ago* (last edited 1 week ago) (1 children)

Some routers do support it.

  • OpenWrt: enable SQM (cake + piece_of_cake.qos)
  • Ubiquiti: enable Smart Queue
  • FritzBox: limited but has prioritization
  • OPNsense/pfSense: fq_codel / CAKE

would be even betyer cause it shapes the entire network, not just your PC

but apparently you can also install cake on any linux and use it to do what you want:

https://man7.org/linux/man-pages/man8/tc-cake.8.html

https://github.com/tohojo/sqm-scripts

good readup about cake but not focused on your usecase: https://grapheneos.org/articles/server-traffic-shaping

I have no clue about bazzite, so you are on your own there.

[–] Ascendor@discuss.tchncs.de 7 points 1 week ago

I do use QoS on my router, but that's not what I want: I want it explicitly on OS level. If that doesn't prioritize in the first place, it's one hop lost with bad/missing prioritization. In my example, my bad ping was actually with enabled router-prioritization. It's not enough.

Thanks for the links, I'll check them out!