I really don't think that Iran has anything to fear. I think that Iran is trying to provoke an Israeli attack. Sadly, baiting Israeli Jews is the easiest thing in the world. Once baited, the Israeli Jews will defeat themselves as in the 2006 war and the Turkish flotilla.
Palestinian man suffers light wounds from rocks thrown by Jewish men in Jerusalem (Haaretz)
from the article: Former Mossad chief: Iran should be very fearful over next 12 weeks