[GH-ISSUE #1389] [BUG]: Download/Upload speeds very very slow #3829

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opened 2026-04-20 07:59:30 -05:00 by GiteaMirror · 1 comment
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Originally created by @Vito0912 on GitHub (Aug 31, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/1389

There already is https://github.com/fosrl/pangolin/issues/707 and https://github.com/fosrl/pangolin/issues/924, but I do not even reach 100Mbits (and changing the MTU did not help), and none of my servers show any CPU spikes.

I migrated from Cloudflare with NPM to Pangolin and have to say it works great up until this point. But now I wanted to download something from my Nextcloud, and instead of the expected 50MB/s (400Mbits/s), I only get about 1MB/s.

Both servers have enough upload and download speed, and it worked fine with NPM and Cloudflare. This is my first time using Traefik, so maybe I set something up wrong. But I only configured it in a very basic way with CrowdSec and the default non-managed Pangolin.

Is there anything I can try to increase speeds, because this is very slow and affects all subdomains.

I am using newt

Originally created by @Vito0912 on GitHub (Aug 31, 2025). Original GitHub issue: https://github.com/fosrl/pangolin/issues/1389 There already is https://github.com/fosrl/pangolin/issues/707 and https://github.com/fosrl/pangolin/issues/924, but I do not even reach 100Mbits (and changing the MTU did not help), and none of my servers show any CPU spikes. I migrated from Cloudflare with NPM to Pangolin and have to say it works great up until this point. But now I wanted to download something from my Nextcloud, and instead of the expected 50MB/s (400Mbits/s), I only get about 1MB/s. Both servers have enough upload and download speed, and it worked fine with NPM and Cloudflare. This is my first time using Traefik, so maybe I set something up wrong. But I only configured it in a very basic way with CrowdSec and the default non-managed Pangolin. Is there anything I can try to increase speeds, because this is very slow and affects all subdomains. I am using newt
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@Vito0912 commented on GitHub (Aug 31, 2025):

Sorry, just now seen https://github.com/orgs/fosrl/discussions/512

<!-- gh-comment-id:3240371491 --> @Vito0912 commented on GitHub (Aug 31, 2025): Sorry, just now seen https://github.com/orgs/fosrl/discussions/512
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Reference: github-starred/pangolin#3829