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The Network settings screen is divided into three columns. From left to right, they are:

Column one, which features options for setting up a new connection or modifying the existing connection for your home networking devices.
Column two, which displays the current status of your network connection.
Column three, which offers options for troubleshooting your network performance.
Column one

You can select from three buttons in column one.
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If your Xbox One isnt currently connected to the Internet, or if you want to change wireless access points, select Set up wireless network. Selecting this button deletes any current wireless settings and prompts you to set up a new wireless device.

Xbox One doesnt save old device information, allowing you to completely wipe out old settings and start new each time. This saves you from accidental manual entries that could cause issues on a new network.
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Scenario: Youve set up your consoles network connection at your house, but youre going to visit a relative and want to take your Xbox One. When you get to your new location, select Set up wireless network, select the appropriate router from the list of devices, enter the password, and connect to the network. When you return home and plug in your Xbox One, you wont automatically connect to your network, because establishing the new connection wiped out your home routers information. Select Set up wireless network, select your router from the device list, and enter your password. Now the previous router information has been deleted and Xbox One will remember your home devices settings.

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The Advanced settings screen is generally used only by technical users or support. If youve set up your home network to use Static IP addresses, or you want to manually configure your DNS settings, or you need to set up MAC spoofing (changing the Media Access Control address of the network interface on your networked device), select Advanced settings to manually configure your network.

Disconnect wireless
The Disconnect wireless button is for the offline gamer. Youll occasionally have to connect to Xbox Live to get the latest system update so that you can play a newly released game. If you were connected to the wired network, you would only have to disconnect the LAN cable from the back of the console. However, if youre using a wireless connection, the only way to disconnect after you perform your update is to return to the Network settings screen and select Disconnect wireless.

Column two

This column displays everything about your current connection:
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The first indicator tells you whether youre connected. If you are connected, this tells you if youre connected via a wired or wireless connection. If you are wireless, it will display a signal-strength indicator to show the approximate strength of your signal.
The second indicator displays your Network Address Translation (NAT) type. Your NAT allows you two different IP addresses, one for internal traffic and one for external traffic. The NAT helps hide your internal IP address and creates a kind of firewall.
The third indicator tells you whether all of the Xbox Live services are up and running. If any services are down, this indicator will also detail which ones are down.

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Column three
This column of buttons is specifically used to troubleshoot any issues related to your network connection.
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Test network connection
If you cant connect to Xbox Live, you can begin troubleshooting by using this test. The Test network connection test verifies that youre connected to your networking devices and that you can reach the Internet.

If this test finds a break in your connection, youll receive an error message. This message identifies, in order of priority, where your connection failed, and it offers troubleshooting steps to help correct the problem.

Test multiplayer connection

If you experience lag, random disconnects, or other game-related network issues, this test helps you identify the issue and works to resolve it. Test multiplayer connection tests anything that might affect your experience while multiplayer gaming on Xbox Live, including IP address, download and upload speeds, packet loss, latency, and MTU

Detailed network statistics
If youre a networking expert and dont need the troubleshooting guide to correct your network performance, the Detailed network statistics screen can help you evaluate your network performance. By selecting this button, youll run a short test that tests your network performance and displays the results in a format thats easy to read and interpret.
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This screen displays the following information:

Download speed, which is critical for streaming content and playing multiplayer games on Xbox Live.
Upload speed, which only affects your ability to play multiplayer games on Xbox Live.
Note Upload and download speeds are the result of a speed test and will show you how fast your network can download or upload a file from the Internet to your Xbox One.

Download packet loss, which is critical for streaming content and playing multiplayer games on Xbox Live.
Upload packet loss, which only affects your ability to play multiplayer games on Xbox Live.
Note When content is transferred on the Internet, its wrapped in packets. This tests your ability to receive the proper number of packets sent. The causes of packet loss include inadequate signal strength at the destination, natural or human-made interference, excessive system noise, hardware failure, software corruption, or overburdened network nodes. Often, more than one of these factors is involved.

MTU, which needs to meet a minimum of 1384 MTU or higher to play games on Xbox Live. Checking and adjusting your router settings could quickly resolve many gaming issues if this setting is too low.
Latency, which is a networking term for delay of packet delivery. Its measured by how many milliseconds it takes for a packet of data to get from one designated point to another. This can affect streaming, but only by an app timing out. However, latency can drastically affect multiplayer gaming, because youll be delayed on what you see versus whats happening on the server. In other words, if you have high latency, your game character could be killed before you ever see your opponent on the screen.
Wireless strength, which measures the strength of your Internet signal. The closer your signal is to 100 percent, the better your Xbox One connection results will be. Wireless interference that causes low-signal strength is the leading reason for latency and packet loss. This test is designed to test a point in time, so if you remove causes of wireless interference between your router and your Xbox One, you should retest to see what kind of improvement your adjustment made. This test can help you narrow down whats causing wireless interference and how much its affecting your Xbox One experience.
Status code, which displays any error codes that resulted from the test. Status codes are mostly used by Xbox Support.