Posh will travel to the Stadium of Light on Tuesday 24th September (7.45pm).
Peterborough United will travel to Premier League outfit Sunderland in the third round of the Capital One Cup on Tuesday 24th September (7.45pm).
Prices have been agreed with adult tickets available at £10 and concessions (under 16s and over 65s) at £5.
Tickets will be available to purchase next week and the club will notify supporters when they are on sale.
Posh progressed into round three of the competition after a 6-0 victory over Reading at London Road.