It is narrated from Sayyiduna Asim bin Adi (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) permitted the camel herders to spend the night there (outside Mina), (on condition that) they stone on the Day of Sacrifice, then on the following day, then on the day after that they stone for two days together, then they stone on the day of departure.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14525