July 8Jul 8 Is it possible to enable jumbo frame on any ethernet interface of Orange Pi RV2. My attempts to set mtu > 1500 are going to fail. The kernel is not support this. I use Ambian based Debian 13 ( current 6.18.35 ). By the way, network controller support Jumbo up to 18K.
October 21Oct 21 The driver does not change max_mtu to a higher limit when it is registering to netdev , so default is 1500. You are right that the RV2 hw i.e. K1 ethernet can do up to 16K not 18K according to K1 user guide. But the driver limit the size internally to 4K, so this is a soft limit. First is if you can recompile the kernel/driver, you can change max_mtu to higher value as the first step, and remove the software limit from 4K to let say 9K which is more common for jumbo frame mtu.
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