Try changing the dns to 1.1.1.1 or 8.8.8.8 and optionally MTU if possible, what brand router do you have specifically? Like the model number etc.
1475 also works
what fixed it for me was changing MTU to 1450 instead of 1500 in my PS5 settings
Try changing the dns to 1.1.1.1 or 8.8.8.8 and optionally MTU if possible, what brand router do you have specifically? Like the model number etc.