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

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?

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

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

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

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