can't join my brother on dead island?

[faithfulhair757]

ok so i cant join my brother's network we use the same network and a very good one this network doesn't have any leg while using and in some games like black ops im always the host so this network can't possible suck that bad

so me and my brother play the same network and what we do is we both go to option and do the same thing

Game Type (CO-OP)

Game (Visibility)

Public Slots (3)

Private Slots (0)

Nearby Player Notification (on)

Facebook Events (off)

but it still wont let us and we even tried Lan and it still wont let us any help guy would be great

and send us some youtube video or a forum or whatever that can help us think you

o btw its on ps3