Re: Rapsberry Pi 4b wifi

Flemming Faber via leaf-user <[email protected]> Mon, 19 Jun 2023 16:11:25 +0200
Newsgroups gmane.linux.leaf.user
Message-ID <[email protected]>
Hi jrb,

Here is iperf3 test up against my ISP as server.
My connection is fiber, 1Gbit. The client is my firewall, the Qotom 4 port PC with Intel i211 network controllers.

Connecting to host 185.107.12.92, port 5201
Reverse mode, remote host 185.107.12.92 is sending
[  5] local 100.64.240.92 port 55536 connected to 185.107.12.92 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   112 MBytes   936 Mbits/sec
[  5]   1.00-2.00   sec   112 MBytes   941 Mbits/sec
[  5]   2.00-3.00   sec   112 MBytes   942 Mbits/sec
[  5]   3.00-4.00   sec   112 MBytes   942 Mbits/sec
[  5]   4.00-5.00   sec   112 MBytes   941 Mbits/sec
[  5]   5.00-6.00   sec   112 MBytes   942 Mbits/sec
[  5]   6.00-7.00   sec   112 MBytes   942 Mbits/sec
[  5]   7.00-8.00   sec   112 MBytes   941 Mbits/sec
[  5]   8.00-9.00   sec   112 MBytes   942 Mbits/sec
[  5]   9.00-10.00  sec   112 MBytes   941 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.04  sec  1.10 GBytes   939 Mbits/sec   65             sender
[  5]   0.00-10.00  sec  1.10 GBytes   941 Mbits/sec                  receiver



Flemming Faber
Jeppes Allé 16
2400 Copenhagen NV

tel. +45 6083 0053
email: [email protected]




> On 16-06-2023, at 03.02, jeanrocco jr <[email protected]> wrote:
> 
> Hello Flemming,
> 
> Thank's for this answer, I also ran some tests, Iperf3, last  Jan 3,  2020 on a APU2e4 and I had results like this one: 
> [  4]   1.00-2.00   sec   111 MBytes   935 Mbits/sec    0    495 KBytes
> 
> ( https://sourceforge.net/p/leaf/mailman/message/36891187/ <https://sourceforge.net/p/leaf/mailman/message/36891187/> )
> We can see there is a fair difference with the PI4 ... so using it as a firewall would not be optimum, as expected, besides you would still have to get a second HAT NIC of sorts. 
> 
> I'm just curious to know if you did, by any chance :-),  any Iperf3 tests on your Qotom Mini Pc also, this might be instructive for most of us ... well If you ever have the time (tongue in cheek ...)
> 
> Thank you again
> 
> bye
> 
> jrb.
> 
> On Thu, Jun 15, 2023 at 3:48 AM Flemming Faber <[email protected] <mailto:[email protected]>> wrote:
> Hi Jean-Roch,
> 
> I got a new firmware-rpi-nonfree.lrp from K.P.Kirchdoerfer, and that works fine with the built-in wifi in the RPi.
> I don’t think this has made it to 7.2.2, but I expect it to be in 7.2.3.
> 
> I have been testing speeds with iperf3.
> I was running the server on my local network on an iMac 27” from 2014 that works perfectly.
> 
> The Raspberry Pi:
> /etc/issue: 
> Linux 5.15.93-cortex72 #1 SMP Sat Mar 25 20:50:12 CET 2023
> LEAF Bering-uClibc 7.2.1 Rev 1 uClibc 1.0.42
>   
> My network supports 1 Gbit speeds, both wired and wifi.
> 
> When I run iperf3 as a client from my Raspberry Pi I get the following results:
> Ethernet connection (/dev/eth0):
> 
> Accepted connection from 192.168.22.42, port 33564
> [  5] local 192.168.22.6 port 5201 connected to 192.168.22.42 port 33568
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-1.00   sec  64.1 MBytes   537 Mbits/sec
> [  5]   1.00-2.00   sec  65.1 MBytes   546 Mbits/sec
> [  5]   2.00-3.00   sec  65.0 MBytes   545 Mbits/sec
> [  5]   3.00-4.00   sec  65.7 MBytes   551 Mbits/sec
> [  5]   4.00-5.00   sec  65.0 MBytes   546 Mbits/sec
> [  5]   5.00-6.00   sec  65.4 MBytes   549 Mbits/sec
> [  5]   6.00-7.00   sec  64.9 MBytes   545 Mbits/sec
> [  5]   7.00-8.00   sec  64.9 MBytes   544 Mbits/sec
> [  5]   8.00-9.00   sec  65.5 MBytes   549 Mbits/sec
> [  5]   9.00-10.00  sec  65.3 MBytes   548 Mbits/sec
> [  5]  10.00-10.01  sec  1003 KBytes   557 Mbits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-10.01  sec   652 MBytes   546 Mbits/sec                  receiver
> —————————————————————————————
> 
> Using wifi (/dev/wlan0):
> Accepted connection from 192.168.22.159, port 36702
> [  5] local 192.168.22.6 port 5201 connected to 192.168.22.159 port 37118
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-1.00   sec  6.93 MBytes  58.1 Mbits/sec
> [  5]   1.00-2.00   sec  6.82 MBytes  57.2 Mbits/sec
> [  5]   2.00-3.00   sec  7.55 MBytes  63.4 Mbits/sec
> [  5]   3.00-4.00   sec  6.57 MBytes  55.1 Mbits/sec
> [  5]   4.00-5.00   sec  5.24 MBytes  44.0 Mbits/sec
> [  5]   5.00-6.00   sec  6.41 MBytes  53.8 Mbits/sec
> [  5]   6.00-7.00   sec  7.67 MBytes  64.3 Mbits/sec
> [  5]   7.00-8.00   sec  7.53 MBytes  63.2 Mbits/sec
> [  5]   8.00-9.00   sec  7.83 MBytes  65.7 Mbits/sec
> [  5]   9.00-10.00  sec  7.57 MBytes  63.5 Mbits/sec
> [  5]  10.00-10.03  sec   204 KBytes  65.4 Mbits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bitrate
> [  5]   0.00-10.03  sec  70.3 MBytes  58.9 Mbits/sec                  receiver
> -----------------------------------------------------------
> 
> So there is an almost 10x difference between wired and wifi performance on the RPi.
> I am sure this is not a performance you want on the wifi for a firewall.
> 
> I have been using the different versions of the APU/APU2 platform for many years. 
> But there are alternatives today.
> Right now I use for my home firewall an Intel based unit,
> Qotom Mini Pc X86 4 Lan Gigabit With Celeron J1900 and VGA,
> I bought it through aliexpress.com <http://aliexpress.com/>. Of course, this has now been updated to a newer model.
> You can now get a Fanless Router Celeron J4125 Mini PC Quad Core 4x Intel i225/i226 2.5G LAN with HDMI and VGA for 115 EUR.
> This is without RAM and SSD.
> 
> Hope this can help you,
> 
> Flemming
> 
> Flemming Faber
> Jeppes Allé 16
> 2400 Copenhagen NV
> 
> tel. +45 6083 0053
> email: [email protected] <mailto:[email protected]>
> 
> 
> 


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