[probablyexists]

I was only able to get ~60mbps with OpenVPN through a hard wired Raspberry Pi 3 connected to Google Fiber, due to limitations of its bus.

The 4 is supposed to be actual gigabit, but I have not yet tried it out to confirm.

[eatbitseveryday]

I'm trying to set it up on a RPI4 as an 802.11ac wireless router, to verify this. If it manages 100mbps+ then it'll be a cheap replacement for my current router.

[bananaeater]

Are you keeping a write-up of your progress anywhere? Would love to see how this turns out.

[eatbitseveryday]

Not yet; but that's a good idea. Thanks for the nudge :)

[dicknuckle]

are you using OpenWRT or something else?

[eatbitseveryday]

Starting with Ubuntu for now, and hostapd.

[tjoff]

OpenVPN is extremely slow, same setup with wireguard is guaranteed to be much faster.

[vardump]

Raspberry Pi 3 can do at least 250 Mbps. Perhaps it's limited by something else, like crypto or your actual connection?

[bscphil]

Not the original Pi 3B, you're thinking of the 3B+. https://magpi.raspberrypi.org/articles/raspberry-pi-3-specs-...

[willis936]

I just ran iperf from my Pi4 to my Ubuntu VM in the same LAN five minutes ago. 850 Mbps symmetric with no VPN.

[bscphil]

I get 940 Mbps for two devices on the same switch.

[kingosticks]

Which bus limits to 60mbps? The USB limitation shouldn't be anywhere near that low.

[bjoli]

I don't know, but you get the extra limitation of USB2 being half duplex. USB2 is something like 480mbps. Add half duplex limitations and just general overhead compared to theoretical max. I can see how some network protocols become limited to 60mbps.

[samsepi0l]

The USB bus on those is shared with all devices

[kingosticks]

True. It does depend what else you are doing with the pi. Something like a USB hard drive could account for that poor performance, especially if you were upload from/downloading to it.