Regarding the AGX orin 64GB, 10 Gigabit Ethernet port MTU issue

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
1

hi nvidia,

The orin I purchased is ubuntu20.04 in the system. I set the MTU to 9000 in the network port settings, but when I used the ifconfig command to query the MTU, it was only 1500. Then, I used the ifconfig eth0 MTU 9000 command. After setting it, I used ifconfig to check the MTU as 8966. After setting it normally, the value should be 9000. I would like to ask why this is? Thank you!

3

Hi,

It sounds duplicated with RGMII issue with Jetpack 5.1.1 (KSZ9131) - #5 by WayneWWW

4

Hi，
I have reviewed what you mentioned (KSZ9131), and according to the prompts in the article, I cannot find any subsequent folders or kernel files in the kernel folder. Is it a problem with my orin system?Thanks

5

Hi,
The kernel source code is in
https://developer.nvidia.com/embedded/jetson-linux-r3531

Driver Package (BSP) Sources

Please download it and manually build kernel image per the suggestion. For building kernel, please refer to
Kernel — Jetson Linux Developer Guide documentation

6

You may also see this workaround: AGX Orin - mtu 1466 - #9 by Honey_Patouceul.

7

Thank you, I hope it will be helpful to me!

9

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