The threads of the insurrection ramified even into the old Roman province: they cherished the hope, perhaps not without ground, of inducing the Allobroges themselves to take arms against the Romans.

With the single exception of the Remi and of the districts--dependent immediately on the Remi-- of the Suessiones, Leuci, and Lingones, whose peculiar isolation was not affected even amidst this general enthusiasm, the whole Celtic nation from the Pyrenees to the Rhine was now in reality, for the first and for the last time, in arms for its freedom and nationality; whereas, singularly enough, the whole German communities, who in the former struggles had held the foremost rank, kept aloof.

In fact, the Treveri, and as it would seem the Menapii also, were prevented by their feuds with the Germans from taking an active part in the national war.
Caesar's Plan of War Caesar Unites with Labienus It was a grave and decisive moment, when after the retreat from Gergovia and the loss of Noviodunum a council of war was held in Caesar's headquarters regarding the measures now to be adopted.
Various voices expressed themselves in favour of a retreat over the Cevennes into the old Roman province, which now lay open on all sides to the insurrection and certainly was in urgent need of the legions that had been sent from Rome primarily for its protection.

But Caesar rejected this timid strategy suggested not by the position of affairs, but by government-instructions and fear of responsibility.

He contented himself with calling the general levy of the Romans settled in the province to arms, and having the frontiers guarded by that levy to the best of its ability.