Sunan an Nasai
2926
Sahih Lighairihi+2

It was narrated from HIsham bin Urwah, from his father, from Umm Salamah, that she said:"O Messenger of Allah, by Allah! I have not performed the Farewell Tawaf." The Prophet said: "When the Iqamah is said for prayer, perform Tawaf on your camel behind the people." Urwah did not hear from Umm Salamah

Sahih LighairihiAbu Ghuddah
SahihAl-Albani