 However, the Goths came to respect his ability and implored a treaty with the empire.In 278, Probus campaigned successfully in Gaul against the Alamanni and Longiones; both tribes had advanced through the Neckar valley and across the Rhine into Roman territory.Meanwhile, his generals defeated the Franks and these operations were directed to clearing Gaul of Germanic invaders (Franks and Burgundians), allowing Probus to adopt the titles of "Gothicus Maximus" and "Germanicus Maximus".