Even from the mount Halak, that rises up toward Seir, even unto Baalgad in the valley of Lebanon below mount Hermon: and all their kings he took, and struck them, and slew them.
All Commentaries on Joshua 11:17 Go To Joshua 11
Augustine of Hippo
AD 430
It is asked how this can be true, since the Hebrews were not altogether able to capture all the cities of those seven nations either in the times after the judges or in the times of the kings. But one must understand it to mean that Joshua never approached any city with hostile intent that he did not capture. Or it may mean that no city remained uncaptured except for those which were in the regions mentioned above. For those regions were enumerated in which there were cities concerning which the conclusion was made: “and he captured all of them in war.”