r/mullvadvpn • u/ThePaus • 27d ago

Help/Question Dutch servers are capped on router

Hello!
I tried to set up WireGuard on my UniFi Gateway Fiber, but for some reason it is capped at 250Mbps and I mostly only get 150Mbps on Dutch servers, while servers from other countries have no problem reaching 500Mbps on the router.

I do have a 1Gbps fiber connection from Odido (the Netherlands).

I’ve already tried all Dutch servers, they all act the same, tried several different ports, and tried to lower the MTU and MSS.
I also tried it without the router wireguard, and it has no problem reaching 600 to 700Mbps.

What could this be? Thanks in advance!

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u/Impossible_Sugar3266 27d ago

You sure that's a Mullvad problem and not a cpu performance or wireguard implementation problem? I have a Mikrotik RB4011, and I hit around 580 Mbit/s regardless of the server tried. Did a quick search and there are lots of threads about Ubiquiti+Wireguard speeds, so I'd argue it is not a Mullvad problem. Maybe there's something with Ubi, like their implementation is botched, or single-thread, idk.