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Topics - francescofff

#1
Hello everyone,

I'm new to this and completely lost with my setup. I need your help.

I bought a TopTon mini-PC with an Intel N150 (Alderlake ULX) quad-cores processor and Intel i226-v Ethernet cards.

My internet service provider is currently Proximus Fiber with 500 Mbps download and upload speeds.

If I connect my PC directly to the Proximus box, I get the correct speed.

I initially installed Proxmox and OpenSense on my mini-PC. When I run speed tests, I only get around 200 Mbps (speedtest-cli ou iperf3).

After searching forums and trying different solutions, I haven't been able to get it working properly.

I tried disabling hardware checksum offload, hardware TCP segmentation offload, and hardware large receive offload, but nothing changed. I also disabled ASPM in the BIOS. I added a few tunables in OPNsense. But still nothing.

I also tried network card passthrough, but again, no improvement.

Finally, I wiped everything and installed OPNsense directly on the mini-PC, thinking that virtualization might be the cause. But no.

As a last resort, I booted Linux Mint in Live Session mode from a USB drive, and there I got a speed of 500 Mbps.

I don't understand why I'm being throttled as soon as I install OPNsense. I thought it was a powerful tool, but I can't even achieve a decent speed.

Any suggestions would be greatly appreciated.

Thanks in advance to everyone.

François
#2
French - Français / Installation ExpressVPN
March 26, 2026, 03:07:49 PM
Bonjour,

J'essaie de configurer ExpressVPN mais je bloque sur certaines options que je ne sais pas où mettre.

Dans le fichier .ovpn téléchargé j'ai par exemple mssfix 1200. Dans l'interface web de configuration, il y a juste une case à cocher mais impossible d'y mettre une valeur. Où peut-on mettre cette valeur ?

Il y a aussi des options comme sndbuff 524288 et rcvbuf 542288 que je ne trouve pas.
Les options persist-key et persist-tun sont aussi introuvables.
L'option pull j'imagine que c'est activé par défaut par OPNsense car il présent l'option route-nopull.
Je ne comprends pas non plus l'option comp-lzo no et où la mettre.
Et enfin, il reste key-direction 1 que je ne vois pas non plus où mettre.

Je suis nouveau dans OPNsense, alors je ne sais pas encore beaucoup de choses.
Si quelqu'un peut m'aider, ça me ferait très plaisir.

Merci.
François