1)
Did they go on Sha'ar ha'Ayin"?
1.
Rashi: They went in front of it; they went around the city.
2)
What is the meaning of "[v'Negdam Alu] Al Ma'alos Ir David"?
1.
Rashi: In front of them were steps ascending from Sha'ar ha'Ayin to Ir David. The steps served as a wall.
2.
Ibn Ezra: They were the steps of the wall.
