Nantes won the battle between two of last season's Ligue 1 participants with a 1-0 win over Sedan at home, Claudiu Keseru scoring the game's only goal in the 60th minute.
Troyes beat Gueugnon 2-0 thanks to a brace from Yahia Kebe with Grenoble, third in Ligue 2 losing 1-0 away to Niort.
The biggest win of the evning came at Laval with the host team winning 3-1 over island outfit Bastia. Other Corsican team Ajaccio also lost, 2-1 at home to Clermont, a double from Rudy Carlier proving the difference.
Both Le Havre and Boulogne recorded 2-0 victories over Châteauroux and Reims respectively while Montpellier, Brest and Amiens all won on penalties after extra-time.
The draw for the third round of the League Cup, the stage at which the Ligue 1 clubs enter, will take place on Friday, August 31 at 13:00 (CET). Eighteen of the 20 top-tier clubs will go into the hat with Lyon and Marseille receiving byes to the last 16 due to their participation in the UEFA Champions League.
The next round take place on September 25, 2007.
League Cup, Second Round Results(For match details, please click here)
Nantes 1 Sedan 0
Le Havre 2 Châteauroux 0
Montpellier 1 Dijon 1(Montpellier win 4-1 on penalties aet)
Troyes 2Gueugnon 0
Amiens 1Guingamp 1(Amiens win 3-2 on penalties aet)
Ajaccio 1 Clermont 2
Boulogne 2 Reims 0
Niort 1 Grenoble 0
Sète 2 Brest 2 (Brest win 6-5 on penalties)
Laval 3 Bastia 1