Battlefield 3 online problem

[#1]

Hi I have issue whit online game , during the online match I have lag and then : connection lost to server !
It happened almost every online match :(((((
Ps3
Wired connection to plus net Thomson router , ps3 have set static ip in router !
Pro add on !

[#2]

any problems with anything else?  Other games ok? video streaming? General web browsing?  How fast is your line?

[#3]

I have similar problem  in mass effect 3 online , everything else ( web , etc)  is ok

[#4]

I had problems with BF3 (PC) ,I turned UPNP off on my router been fine since.

[#5]

Thanks Y2J I will try turn it off  but first I will try download update for bf3 , patch is out today 1.3Gb    for ps3