In October 1918, he served as a member of the Revolutionary Council of the 8th Army in the Southern Front and simultaneously commanded the Southern Front's several key formations in operations against the Don Cossacks of Pyotr Krasnov.
1918 októberében tagja lett a 8. hadsereg Forradalmi Tanácsának a Déli Fronton, és ezzel párhuzamosan több fontos hadműveletet is vezetett Pjotr Krasznov doni kozákokból álló serege ellen.