Sutuhu received warning of their advice to Punu and in retaliation gathered some 50,000 men to attack the officers.
They captured Punu's younger brother Aojian and returned with 10,000 captives as well as thousands of livestock.
At the same time Punu subjugated the oasis states of the Western Regions and forced them to send tribute to the Xiongnu court.
[2] In 73 AD, Dou Gu led a force of 12,000 against the Xiongnu and defeated Huyan in modern northeastern Xinjiang.
[3] Punu died at an unspecified time and the next mentioned chanyu of the Northern Xiongnu was Youliu, one of his descendants.