What is mtu in router settings

Leave the MTU unchanged unless one of these situations occurs:. If you are willing to experiment, you can gradually reduce the MTU from the maximum value of until the problem goes away. The following table describes common MTU sizes and applications. The largest Ethernet packet size. Used in PPPoE environments. Maximum size to use for pinging.

Larger packets are fragmented. Used in some DHCP environments. Also, more data within fewer packets can result in the packets being bloated. Larger packets are more likely to suffer from delays and even corruption.

A greater MTU size can also increase latency, whereas setting it to a smaller number can help improve the overall latency.

Therefore, you should change the MTU size to be the maximum it can be without any detrimental effects. It may take a few tries to find the best size, but is worth the time investment to help optimize the performance of your network. The simplest way to determine the optimal MTU size for your home network is through a simple ping test.

This process involves sending multiple ping requests whilst gradually reducing the packet size until it no longer needs to be fragmented; this is where the messages are divided into smaller packets. This tutorial will cover accessing both the Command Prompt and Terminal, and then how to perform the ping tests themselves. Type cmd into the field and click on OK. Type in terminal and press Enter. Type in the name of a pingable domain followed by the -f and -l switches and then a test packet size to start.

In this example, we will start with Ping www. If you are located in Australia or New Zealand, the following four paragraphs apply to you:. In Australia, our Software and the media on which it is provided, as well as any related services, come with guarantees that cannot be excluded under the Australian Consumer Law. For major failures with the service, you are entitled:.

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One of these settings is the MTU. Changing this setting on your equipment can optimize your internet speeds and connectivity. But to do so effectively, you must first understand what MTU is and how to find the right settings for your network.

This is just one of many settings that you may have to adjust to fully optimize your router. The MTU size is a setting that determines the largest packet size that can be transmitted through your system. These packets are measured in octets, or eight-bit bytes. As a rule of thumb, a larger MTU size will increase bulk protocol throughput.

Fewer packets with the same amount of data are processed when the MTU size is increased.