New to ps4 need help

[theSgtCmdr]

Do I need to change the MTU because i check my connection and the only problem is this
PSN sign-in:failed the ip address, signal etc were successful. Help me out!

 

[Haze]

Please keep your discussion going in your already existing thread: http://ps4forum.com/391-ps4-support-tips/7210-cannot-sign-psn-new-post.html