AGX Orin ethernet receive speed can not up to 10Gbps

lzjie · February 28, 2025, 1:54am

Hi,
I am testing AGX Orin devkit ethernet speed by iperf3.I found that it’s send speed can up to 9Gbps.But receive speed can only up to 5 or 6 Gbps.

nvidia@tegra-ubuntu:~$ iperf3 -c 192.168.1.20 -p 8000 -P 2                                                                                                                                                           
Connecting to host 192.168.1.20, port 8000
[  5] local 192.168.1.10 port 39328 connected to 192.168.1.20 port 8000
[  7] local 192.168.1.10 port 39342 connected to 192.168.1.20 port 8000
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   567 MBytes  4.75 Gbits/sec    0   1.83 MBytes       
[  7]   0.00-1.00   sec   555 MBytes  4.66 Gbits/sec    0   1.95 MBytes       
[SUM]   0.00-1.00   sec  1.10 GBytes  9.41 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   1.00-2.00   sec   560 MBytes  4.70 Gbits/sec    0   1.93 MBytes       
[  7]   1.00-2.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   1.00-2.00   sec  1.09 GBytes  9.41 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   2.00-3.00   sec   559 MBytes  4.69 Gbits/sec    0   2.02 MBytes       
[  7]   2.00-3.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   2.00-3.00   sec  1.09 GBytes  9.40 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   3.00-4.00   sec   561 MBytes  4.71 Gbits/sec    0   2.02 MBytes       
[  7]   3.00-4.00   sec   560 MBytes  4.70 Gbits/sec    0   1.95 MBytes       
[SUM]   3.00-4.00   sec  1.09 GBytes  9.41 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   4.00-5.00   sec   560 MBytes  4.70 Gbits/sec    0   2.02 MBytes       
[  7]   4.00-5.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   4.00-5.00   sec  1.09 GBytes  9.41 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   5.00-6.00   sec   560 MBytes  4.70 Gbits/sec    0   2.02 MBytes       
[  7]   5.00-6.00   sec   560 MBytes  4.70 Gbits/sec    0   1.95 MBytes       
[SUM]   5.00-6.00   sec  1.09 GBytes  9.40 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   6.00-7.00   sec   560 MBytes  4.70 Gbits/sec    0   2.02 MBytes       
[  7]   6.00-7.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   6.00-7.00   sec  1.09 GBytes  9.41 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   7.00-8.00   sec   559 MBytes  4.69 Gbits/sec    0   2.02 MBytes       
[  7]   7.00-8.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   7.00-8.00   sec  1.09 GBytes  9.40 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   8.00-9.00   sec   561 MBytes  4.71 Gbits/sec    0   2.02 MBytes       
[  7]   8.00-9.00   sec   561 MBytes  4.71 Gbits/sec    0   1.95 MBytes       
[SUM]   8.00-9.00   sec  1.10 GBytes  9.42 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   9.00-10.00  sec   559 MBytes  4.69 Gbits/sec    0   2.02 MBytes       
[  7]   9.00-10.00  sec   560 MBytes  4.70 Gbits/sec    0   1.95 MBytes       
[SUM]   9.00-10.00  sec  1.09 GBytes  9.38 Gbits/sec    0             
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  5.47 GBytes  4.70 Gbits/sec    0             sender
[  5]   0.00-10.04  sec  5.47 GBytes  4.68 Gbits/sec                  receiver
[  7]   0.00-10.00  sec  5.47 GBytes  4.70 Gbits/sec    0             sender
[  7]   0.00-10.04  sec  5.47 GBytes  4.68 Gbits/sec                  receiver
[SUM]   0.00-10.00  sec  10.9 GBytes  9.40 Gbits/sec    0             sender
[SUM]   0.00-10.04  sec  10.9 GBytes  9.36 Gbits/sec                  receiver

iperf Done.
nvidia@tegra-ubuntu:~$ iperf3 -c 192.168.1.20 -p 8000 -P 2 -R
Connecting to host 192.168.1.20, port 8000
Reverse mode, remote host 192.168.1.20 is sending
[  5] local 192.168.1.10 port 58364 connected to 192.168.1.20 port 8000
[  7] local 192.168.1.10 port 58366 connected to 192.168.1.20 port 8000
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   335 MBytes  2.81 Gbits/sec                  
[  7]   0.00-1.00   sec   335 MBytes  2.81 Gbits/sec                  
[SUM]   0.00-1.00   sec   671 MBytes  5.62 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   1.00-2.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   1.00-2.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   1.00-2.00   sec   673 MBytes  5.64 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   2.00-3.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   2.00-3.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   2.00-3.00   sec   672 MBytes  5.64 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   3.00-4.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   3.00-4.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   3.00-4.00   sec   672 MBytes  5.64 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   4.00-5.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   4.00-5.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   4.00-5.00   sec   671 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   5.00-6.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   5.00-6.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   5.00-6.00   sec   671 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   6.00-7.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   6.00-7.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   6.00-7.00   sec   672 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   7.00-8.00   sec   336 MBytes  2.82 Gbits/sec                  
[  7]   7.00-8.00   sec   336 MBytes  2.82 Gbits/sec                  
[SUM]   7.00-8.00   sec   671 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   8.00-9.00   sec   335 MBytes  2.81 Gbits/sec                  
[  7]   8.00-9.00   sec   335 MBytes  2.81 Gbits/sec                  
[SUM]   8.00-9.00   sec   671 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   9.00-10.00  sec   335 MBytes  2.81 Gbits/sec                  
[  7]   9.00-10.00  sec   335 MBytes  2.81 Gbits/sec                  
[SUM]   9.00-10.00  sec   671 MBytes  5.63 Gbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.04  sec  3.28 GBytes  2.81 Gbits/sec    2             sender
[  5]   0.00-10.00  sec  3.28 GBytes  2.82 Gbits/sec                  receiver
[  7]   0.00-10.04  sec  3.28 GBytes  2.81 Gbits/sec    5             sender
[  7]   0.00-10.00  sec  3.28 GBytes  2.82 Gbits/sec                  receiver
[SUM]   0.00-10.04  sec  6.56 GBytes  5.62 Gbits/sec    7             sender
[SUM]   0.00-10.00  sec  6.56 GBytes  5.63 Gbits/sec                  receiver

iperf Done.

I use r36.4, and have change to minimal rootfs , and had run “sudo nvpmodel -m 0”、“sudo jetson_clocks” before testing.

carolyuu · February 28, 2025, 2:00am

Hi,
On Jetson platforms, we support using peripherals like CAN, SPI, I2C, UART… etc. for the user.
For CAN usage:
https://docs.nvidia.com/jetson/archives/r36.3/DeveloperGuide/HR/ControllerAreaNetworkCan.html
For the connection of peripheral on the devkit, please refer to expansion-headers guide and carrier board specification:
https://docs.nvidia.com/jetson/archives/r36.3/DeveloperGuide/HR/ConfiguringTheJetsonExpansionHeaders.html

For pin configuration, please refer to pinmux spreadsheet:
https://developer.nvidia.com/embedded/secure/jetson/agx_orin/jetson_agx_orin_pinmux_config_template.xlsm

By default, the configuration is used for the devkit. If you are using the custom carrier board, please configure it according to your custom board design.

There are also several examples which have been verified from us, please check
https://elinux.org/Jetson/L4T/peripheral/
Please share the full dmesg and device tree for us to check your status in detail.

Thanks!

lzjie · February 28, 2025, 2:57am

Hi,
Did I use wrong method to test ethernet?

jameskuo · March 3, 2025, 3:20am

Hi:
Please try to set MTU to 9000 Ref or disable X11 GUI and try again.

WayneWWW · March 3, 2025, 5:49am

Hi,

Please disable gdm3 service and see if you could bypass this error. There is a known issue here so want to check if duplicated with your case first.

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AGX Orin ethernet receive speed can not up to 10Gbps

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