Bandwidth of ethernet over USB with NCM protocol is only 20Mbps

Autonomous Machines Jetson & Embedded Systems Jetson Orin NX
1

Hi,
I am using ethernet over USB with NCM protocol. The bandwidth from the android device to Orin NX is only ~20Mbps for the USB-A ports. Bandwidth from NX to android device is better and reaches around 200Mbps.

Any suggestions here?
Thanks

3

Hi,
We don’t have experience in NCM protocol. In the setup, is Orin NX in device more or host mode?

4

The Orin NX is in Host mode. What ethernet over USB would you suggest or have tested? RNDIS, maybe?

5

Hi,
Not sure but it looks like USB tethering is based on RNDIS. You may give it a try.

7

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