Shu’bah said: Ayub narrated to me from ‘Amr bin Dinar, from Sayyiduna Ibn ‘Umar (may Allah be pleased with them both) that this is the Sunnah, that is, to perform two rak‘ahs of prayer behind Maqam Ibrahim after Tawaf is Sunnah.
Hadith Referenceسنن دارمي / من كتاب المناسك / 1970