RPi4B - Low download speed

[dreker (Antonio X)]

Hello,

I’m starting now in the world of IPFIRE/firewall and I have a doubt.

Through the firewall, I can only reach this speed:

Download: 100Mbps
Upload: 63Mbps

Outside the firewall I get full speed:

Download: 205Mbps
Upload: 63Mbps

Am I doing something wrong?

Pi4 Model B
(GREEN)

(RED)
USB3.0 1000Mbps RJ45 Lan
Gigabit Ethernet Adapter

Note:
I tested this adapter directly on my desktop and got the maximum speed:
Download: 205Mbps
Upload: 63Mbps

[jon]

Hello Antonio! Welcome to the IPFire Community!

I did some simple tests last April:

RPI4B - slow internet speed with Core 166

I was having trouble understanding all of your tests above so I created some of my own. Running iperf3 (3.11) I get ~230 Mbits/sec and this is going through the IPFire box. [example iperf3 Diagram.drawio-2] The laptop on the left side is the ipref3 server. The desktop on the right side is the ipref3 client. If I do one leg then I see speeds near ~910 Mbits/sec. The IPFire box becomes the iperf3 server. And the desktop box is the iperf3 client. I didn’t pay attention too much attention t…

Without knowing all of the details it is really hard to say.

• Did you have QoS enabled?
• Were you using iperf3 to test or something else?

[dreker (Antonio X)]

QoS disabled.

My setup is exactly this:

I tested it on the computer at https://www.speedtest.net

[roberto (Roberto Peña)]

Hi @dreker.

Try with this:

Speedtest CLI: Internet speed test for the command line

Better tests are done with the CLI.

Say Us.

Regards.

[xperimental (Terry)]

Go to the system protocol, select ‘kernel’ and look for something like

igb 0000:01:00.0 red0: igb: red0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX

to check that the link is 1000 Mbps.

[dreker (Antonio X)]

@xperimental
How can I access kernel via SSH or webgui?

[xperimental (Terry)]

WebUI:

Logs → System Logs → Settings Section: Select Kernel

Press Update Button to update the view.

[dreker (Antonio X)]

Kernel log:

IPFire diagnosticsSection: kernelDate: June 15, 202218:29:09 kernel: IP -...

[xperimental (Terry)]

I expected something like that

bcmgenet fd580000.ethernet green0: Link is Up - 1Gbps/Full - flow control rx/tx

for red0, but there is nothing.

OK go on the keyboard or login via ssh and do

ethtool red0 | grep -i speed

and post the result.

[dreker (Antonio X)]

[xperimental (Terry)]

OK the link speed is right.

You should definitely test the speed: RPi4B - Low download speed - #4 by roberto

Just to get sure, test both adapters for red (onboard and usb).

[tphz (iptom)]

Would you please go to:
https://www.speedguide.net/analyzer.php
and tell us what MTU value you see

For example:

[dreker (Antonio X)]

[dreker (Antonio X)]

I run this command in ssh:

speedtest-cli --share

Result:

That’s good, right?

But why on the computer is limited to 100Mbps?

[xperimental (Terry)]

There’s still one thing to test: speed between your computer and rpi.

For this you will need to install on both devices iperf2 or iperf3, read the manual to start a server on one device and run a client on the other device.

[dreker (Antonio X)]

Computer (client):

Pi4 IPFIRE (server):

[xperimental (Terry)]

So everything looks normal. As long as you havent set a Download throttling in Advanced web proxy configuration I have no idea.

My rpi 4b with 4GB of RAM has no problem with my 1Gbit WAN.

[dreker (Antonio X)]

Thank you for your help @xperimental

Anyone have an idea what it could be?

[dreker (Antonio X)]

Can anyone help?

I still haven’t found the reason.

[donbrill]

Did you try another USB port? I think the Pi 4 has two 2’s and two 3’s.