Linked from

The 6 pages that link to Maximum transmission unit, each with the reason it gives.

• Internet ProtocolRelated: Link limits can force IP datagrams to be fragmented or their size reduced.

• EthernetRelated: Ethernet frame size limits constrain the packets carried by an Ethernet link.

• Internet protocol suiteRelated: Different link limits can force IP packets to be fragmented or adjusted in size.

• Network packetRelated: This link limit determines whether an IP packet must be divided.

• Tunneling protocolRelated: Outer headers consume packet space and can make tunneled traffic exceed a link's MTU.

• FrameRelated: The link’s size limit constrains how much network-layer data a frame can carry.