i have used the ps3 online since day 1, and now it wont obtain the ip address when i try it with wireless router


the router i have always used is the sky broadband netgear item that sky sent me

now, this router has an airiel, so i assumed it is wireless.....
the ps3 is connecting to the router, but i keep getting

obtian ip address timed out when trying to connect


wtf

thanks in advance