Summary This article focus on how to setup Jumbo packets on all your various devices in your network. This includes Windows 10+, Linux, Mac OS X+. What is Jumbo packet or Jumbo Frame? A jumbo frame is an Ethernet frame with a payload greater than the standard maximum transmission unit (MTU) of 1,500 bytes. Jumbo frames are used on local area networks that support at least 1 Gbps and can be as large as 9,000 bytes.