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Add 28 to this starting value to get your own optimum MTU value.The highest MTU value just before this message was displayed is your MTU starting value.Keep testing your internet connection with each progressively lower MTU value until your connection test screen displays that “packets are no longer able to be fragmented”.Keep manually lowering the MTU value on your PS4 by manually configuring your internet connection with a lower MTU value each time.Quick Summary : Changing MTU value for PS4 Unfortunately it is not that simple as we will go into more detail in this article. There are videos and articles online selling a very simplified story that because lowering the MTU appeared to reduce lag for them, then it must also automatically work for everyone else. The idea behind this is that smaller packets of data can be sent more quickly to their destination so smaller packets mean quicker delivery means less latency. There were also reports that lowering the MTU value helped certain people circumvent a Playstation Network outage in December 2014, with a lower MTU allowing people to log in to the network where others couldn’t. The PS4 by default sets the MTU at this maximum of 1500, with reports claiming that lowering this value to something like 1473 or 1475 can reduce latency. MTU is measured in bytes and has a maximum value of 1500, so an MTU of 1500 dictates that the largest packet of data that can be sent in one go from a device over a network is 1500 bytes. In networking MTU stands for Maximum Transmission Unit and dictates the maximum size for any packet of data that is sent from a device over a network. MTU or Maximum Transmission Unit determines the maximum size in bytes of any packet of data that can be sent to a device over a network What is MTU? Let’s look at the subject in more detail in this article. More rigorous tests on the topic appear to indicate that changing MTU settings makes no difference to either download speeds or latency. In summary, whilst there are some claims from PS4 gamers that lowering their MTU helped to reduce lag, we could not find any rigorously tested conclusive evidence that changing MTU settings improves either latency or download speeds on the PS4. Understandably PS4 gamers are looking for possible ways to reduce this lag, so is there any truth to this MTU claim? MTU settings can be changed on any device in reality but the PS4 has come in for special attention as the peer to peer online gaming network structure for the PS4 make it particularly susceptible to lag for online play. There have been claims that changing the MTU value in the internet connections settings of your PS4 can potentially improve internet speeds and reduce lag.
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