Pi-hole

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The Pi-hole® is a DNS sinkhole that protects your devices from unwanted content without installing any client-side software.

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GeneralVincent@sh.itjust.works

High latency and jitter (lemmy.world)

submitted 3 days ago by some_random_nick@lemmy.world to c/pihole@sh.itjust.works

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Hi everyone!
I am a newish user. Installed pihole on my Pi 3B almost 3 months ago and since then I have had issues when playing games - notably CS2.
When I route my traffic thru Pihole I experience a significant increase in latency and jitter. It varies from noticable to insufferable. DHCP is turned on only on the router. Pi handles just then DNS and filtering.
If I disable Pihole and change the DNS to 1.1.1.1, there is almost no jitter and the latency is fine.
I've scowered the internet for answers, but most people blame having DHCP on both router and Pi, which I don't have enabled. Any ideas what I could check or change? Some even suggested enabling IPv6 support, but that didn't do anything.
The Pi is updated to the lates Pihole version as of today. It is enclosed in a plastic case and cooling, so temps aren't an issue.
On my PC I am running Fedora 42 with CachyOS kernel.
Thanks!

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[–] eksb@programming.dev 2 points 2 days ago (1 children)

What upstream DNS server(s) are your pihole configured to use? It is possible that the responses your pihole is giving are to farther away IPs than what 1.1.1.1 returns. If you have not already, try setting 1.1.1.1 as the upstream DNS server on the pihole.

[–] some_random_nick@lemmy.world 1 points 2 days ago

If by that you mean the DNS settings tab, I've selected CloudFlare for both IPv4 and IPv6. I also tried mixing it with Googles DNS, but to no luck.