The UN cannot not fix the future borders. The UN cannot not force anyone's hand to sign bilateral agreements with the Palestinian state. On the contrary if Israel will be the first to accept the new state it will only bring a new positive atmosphere to the presently non existent negotiations.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: Netanyahu: Palestinian statehood bid at UN bound to fail