You can do it if you compile in a kernel patch on the regular Pi 4, I believe: https://www.jeffgeerling.com/blog/2020/setting-9000-mtu-jumbo-frames-on-raspberry

You can do it if you compile in a kernel patch on the regular Pi 4, I believe: https://www.jeffgeerling.com/blog/2020/setting-9000-mtu-jumbo-frames-on-raspberry-pi-os https://www.jeffgeerling.com/blog/2020/setting-9000-mtu-jumb...