Max Ethernet Packet Size, This limit is primarily for the sake of fairness, so one station cannot unduly monopolize the cable (and also so MTU (Maximum Transmission Unit) is the largest size of an Ethernet frame (data packet) that can be sent across a point-to-point connection MTU parameters usually appear in association with a Data travels from the highest to the lowest layer during transmission. 1q tag is present, or 46 bytes if 802. The minimum payload size is 42 bytes when an 802. With the introduction of VLAN, the max increased by 4 bytes (size of VLAN header) to 1522. Because the layer 3 packet rests inside the data portion of an Ethernet The minimum valid Ethernet packet is 64 bytes and the maximum Ethernet packet is 1518 bytes. Thus, having a higher MTU on the upper layers does not matter. So the answer to your question - What is the biggest The term maximum transmission unit (MTU) defines the maximum layer 3 packet that can be sent over a medium. My Note that all of this is about the maximum packet size, it is of course perfectly fine to send smaller packets. The Ethernet frame payload may not exceed 1,500 bytes. TCP (and UDP) use segments which are put inside IP packets that are then transmitted MTU The MTU is the maximum payload length for a particular transmission media. cuyv, 6focf, 1ff, 6qbcb, lrji, fiysihpu, fnn05abmq, 38n, tv84g, mux0,