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by RPIgoodSBC
Mon Mar 26, 2018 12:21 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Does anyone know another linux system that can run on RPi3B + with ethernet enabled so I can try it out and see if the problem is the raspbian ethernet kernel driver? This way we will know how to perform speedtest-cli on RPi3B+ same hardware but different kernel system. If speedtest-cli is up 100 do...
by RPIgoodSBC
Mon Mar 26, 2018 10:48 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

---> jamesh I'm still not sure what this has to do with the Raspberry Pi 3B+ ethernet speed. You seem to be running on the TB, an entirely different device with entirely different ethernet and wireless chips. Nothing, an offtopic. This only happens to me when try to solving the problem and I believe...
by RPIgoodSBC
Mon Mar 26, 2018 10:40 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

But youtube performance on chromium is better on RPi3B+. Can we please focus on Raspberry Pi Ethernet problem here? You're the one running in retransmits in one direction. You can reproduce this easily. So it would be great if you could help nailing the problem down. Trying out whether EEE is invol...
by RPIgoodSBC
Mon Mar 26, 2018 10:31 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Sorry I don't have much time sometimes, here goes the new test: --- sudo apt-get install device-tree-compiler cd /boot cp bcm2710-rpi-3-b-plus.dtb bcm2710-rpi-3-b-plus.dtb.bak sudo cp bcm2710-rpi-3-b-plus.dtb bcm2710-rpi-3-b-plus.dtb.bak sudo dtc -I dtb -O dts -o bcm2710-rpi-3-b-plus.dts bcm2710-rpi...
by RPIgoodSBC
Sun Mar 25, 2018 7:19 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

RASPBIAN ON TINKERBOARD raspbian-on-tinkerboard-2018-03-25.png OK.I'm back. I have and RPi3B+ and the tinkerboard and others. Both can run from usb but only the RPi3B, RPi3B+ can boot without any SD card inside. Right? Tinkerboard needs an SD card to boot system kernel. I have 2 Sandisk USB extreme...
by RPIgoodSBC
Sun Mar 25, 2018 5:05 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Very complicated for me now.Perhaps later. But I can tell something very interesting. For error I plug my usb dongle with raspbian latest on tinkerboard and this is running now. I am writing this lines from tinkerboard on raspbian latest. This happens to me because I use 2 equal usb sandisk extreme ...
by RPIgoodSBC
Sun Mar 25, 2018 4:10 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Yes in both directions.Tested now. Average 930Mbits/sec 0 retransmits. Same cable same net same router same guy. :D [ ID] Interval Transfer Bandwidth Retr [ 5] 0.00-10.04 sec 1.09 GBytes 936 Mbits/sec 0 sender [ 5] 0.00-10.04 sec 1.09 GBytes 935 Mbits/sec receiver -----------------------------------...
by RPIgoodSBC
Sun Mar 25, 2018 3:39 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Sorry, I'm tired of testing iperf. Great choice since it will prevent you from understanding the problem (packet loss occuring in one direction). This is how it should look like in a LAN (0 retransmits and iperf3 numbers above 300 Mbits/sec): https://www.raspberrypi.org/forums/viewtopic.php?f=63&am...
by RPIgoodSBC
Sun Mar 25, 2018 2:59 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

This is an old problem kernel driver raspbian on raspberry pi. The problem is too on my old RPi3B look at this: sudo iperf3 -c XXX.XXX.X.XXX Connecting to host XXX.XXX.X.XXX, port 5201 [ 4] local XXX.XXX.X.XXX port 34902 connected to XX.XXX.X.XXX port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd...
by RPIgoodSBC
Sun Mar 25, 2018 1:54 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Some more iperf3 tests that can help to understand the problem: pi@raspberrypi:~ $ sudo ethtool -s eth0 speed 100 duplex full pi@raspberrypi:~ $ sudo iperf3 -s ----------------------------------------------------------- Server listening on 5201 -------------------------------------------------------...
by RPIgoodSBC
Sat Mar 24, 2018 7:32 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

What I don't understand is why in our testing we get well above 100 (up to 300!), but you don't, using the same hardware and the same software. That's another oddness bit. Just to confirm, I presume you are using the latest Raspbian and the board is definitely a 3b+? Of course is a RPi3B+ running l...
by RPIgoodSBC
Sat Mar 24, 2018 3:26 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

I have tested the same cable in same conditions on same port on a Tinkerboard and I can achieve 180 Mbits/sec internet download speeds. Nice, obviously it doesn't help with your Pi. So why focus on TB? Or the other way around: do you get same amount of retransmits with iperf3 and the PC with same c...
by RPIgoodSBC
Sat Mar 24, 2018 2:40 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

[ 4] 0.00-10.00 sec 273 MBytes 229 Mbits/sec 3484 sender 3484 retransmits are 3484 too much :) Fix this cabling/contact problem and your download speed will be OK too (when you access hosts on the Internet round-trip times are much higher so every retransmit trashes performance a lot more compared ...
by RPIgoodSBC
Sat Mar 24, 2018 2:17 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

---> el_grappaduro In other direction: pi@raspberrypi:~ $ iperf3 -c XXX.XXX.X.XXX Connecting to host XXX.XXX.X.XXX port 5201 [ 4] local XXX.XXX.X.XXX port 40480 connected to XXX.XXX.X.XXX port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 38.1 MBytes 319 Mbits/sec 0 222 KBytes ...
by RPIgoodSBC
Sat Mar 24, 2018 2:09 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

I only have posted iperf -s that is the RPi3B+ output nor my big PC output. Yeah, you don't want to look for retransmit. I see. OK. What about PC output or testing in other direction? It's the 'Retr' column that contains the information :) My big PC output: iperf3 -c XXX.XXX.X.XXX Connecting to hos...
by RPIgoodSBC
Sat Mar 24, 2018 1:48 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Strange. 'Retr' column missing entirely. Maybe you need test other direction or look at client output? If I understood correctly retransmits are the problem? I only have posted iperf -s that is the RPi3B+ output nor my big PC output. on the Pi: iperf -s On another machine on the same network: iperf...
by RPIgoodSBC
Sat Mar 24, 2018 12:34 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

---> el_grappaduro A test with iperf3 like was suggested: pi@raspberrypi:~ $ iperf3 -s ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- Accepted connection from XXX.XXX.X.XXX, port 33634 [ 5] local XXX.XX...
by RPIgoodSBC
Sat Mar 24, 2018 11:34 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

--> el_grappaduro Thanks but is no an ethernet cable problem. My cable cat-5e can do iperf bandwith 226 Mbits/sec. I have runned all test with cat5e cable and I have probed another cat6 and another cat5e. Raspbian is latest version and I have probed rpi-update latest firmware too with same results. ...
by RPIgoodSBC
Fri Mar 23, 2018 11:17 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

I have tested an usb hub usb 3.0 with gigabit ethernet adapter Kensington brand. Now on tinkerboard: gigabit-ethernet-usb-3_0-card-on-tinkerboard.png We can see that I can up over 100 Mbit/s on usb gigabit ethernet card ( 130.99 Mbit/s ) on linaro system and the behaviour on 100 mode and 1000 mode i...
by RPIgoodSBC
Fri Mar 23, 2018 9:38 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

I have tested an usb hub usb 3.0 with gigabit ethernet adapter Kensington brand. sudo ethtool -s eth1 speed 100 duplex full 54.77 Mbit/s sudo ethtool -s eth1 speed 1000 duplex full 37.08 Mbit/s lsmod reports ax88179_178a kernel module. The onboard RPi3B+ gigabit ethernet performed a little better bu...
by RPIgoodSBC
Fri Mar 23, 2018 8:15 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

How we can be fooled by the results of iperf on download/upload speeds from Internet... rpi-3b-plus-gigabit-problem-iperf-versus-speedtest-cli-2018-03-23.jpg sudo apt-get install -y iperf (on the Pi): iperf -s On another machine on the same network: iperf -c (Here your related ifconfig eth0 inet IP ...
by RPIgoodSBC
Fri Mar 23, 2018 10:56 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

--> mfa298 You are right. It seems speed 1000 duplex half is a not valid mode to gigabit ethernets cards. Tested on mi big PC and on my Asus Tinkerboard both with gigabit ethernet cards and in both the ethernet card goes down and is not possible to up until must do speed 1000 duplex full. Here a com...
by RPIgoodSBC
Fri Mar 23, 2018 12:11 am
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Pay attention: pi@raspberrypi:~ $ sudo ethtool -s eth0 autoneg on speed 100 duplex half pi@raspberrypi:~ $ speedtest-cli Retrieving speedtest.net configuration... Testing from R Cable y Telecomunicaciones Galicia, S.A. Retrieving speedtest.net server list... Selecting best server based on ping... Ho...
by RPIgoodSBC
Thu Mar 22, 2018 11:13 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

Maybe they are related problems...
Pi3B+ : USB+ethernet file transfer problem

https://github.com/raspberrypi/linux/issues/2449
by RPIgoodSBC
Thu Mar 22, 2018 9:09 pm
Forum: General discussion
Topic: RPi 3B+ gigabit ethernet bad download speeds.
Replies: 226
Views: 100754

Re: RPi 3B+ gigabit ethernet bad download speeds.

More doc and information about the problem... https://netbeez.net/blog/differences-between-iperf-and-speedtest/ The speedtest-cli command is the network engineer’s best friend. You can run this command remotely, from the command line, on any Linux host without having to gain access to the browser of...

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