Anything significantly lower than 1,500 can potentially cause issues, while those with high-speed networks in their home might be able to support a higher MTU. You typically won't mess with this, but the default size is around the 1,500 range. This metric refers to the maximum size any given data packet can be when transmitted over your network. Any packet loss is a sign of an unstable network or tons of network congestion. This metric refers to how much information is lost when transmitting across your network, in the form of data 'packets.' You want this number to be a flat zero, or as close to zero as you can get. This is usually lower than your download speed, depending on your provider. This directly affects things like uploading screenshots and game clips. Your upload speed refers to the rate at which your Xbox can push information out.

This directly affects things like game downloads and updates and can make the biggest difference in how stable your online multiplayer experience is. Your download speed refers to the rate at which your Xbox can pull information in. The 'Test network speed & statistics' tool provides the following information:

Source: Windows Central (Image credit: Source: Windows Central)

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