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Hi @hatchet78 . Can you check the properties on the PS4 ethernet and wifi adapters. Set the MTU value to the value in the router, or to an "auto" setting to accept the value provided by the router. Compare the PS4 settings to your computer.
@Spjder_Venom . Do you have the user manual?
MTU should already be set, 1480 in my router.
What device has the low speed?
@Spjder_Venom . Do you have an ethernet computer or laptop with 5GHz wifi to run speed test on TPGs support page? What down and up speeds do you get?
What speed NBN plan do you have? (NBN25,NBN50,NBN100?)
Your router's default MTU is 1492 which allows for an 8 byte PPPoE header to give max ethernet frame size of 1500.
Can you find the MTU setting in your PS4?
(In your PS4 Settings, go to Network. Select Set Up Internet Connection. Choose Wi-Fi or LAN. Next step choose Custom. Just click through all the steps using the defaults that is provides until you reach the MTU portion.)
What value is it?