In the world of physical Ethernets, Gigabit Ethernets also see the 1500 limit as insufficient, and so there is provision in the network stacks of Windows, (embedded) Linux and other operating systems for jumbo frames. The actual MTU is a property of the network card and its driver. There is a procedure for two ends of an Ethernet link to discover the actual MTU in effect.
The Gadget implementation of CDC-ECM (the g_ether module) can be readily patched to support larger MTU’s.
The Gadget implementation of CDC-ECM (the g_ether module) can be readily patched to support larger MTU’s.