Joe Schmidt and his coaches are likely to put their players through a full work-out at the stadium as they attempt to manage a six-day turn-around.
Meanwhile, the Ireland Under-20s and an Irish Club selection will both face their French counter-parts today.
The Under-20's go up against France at the Parc des Sports in Narbonne at five-past eight, Irish time.
Meanwhile, the Club selection will go up against France Federale in the Loire Valley at 6pm.
After Connacht regained the top-spot in the table last night, Leinster and Ulster are both in action later tonight in the Guinness Pro12.
Leinster will host Italian side Zebre at RDS, while Ulster take-on the Glasgow Warriors at Kingspan Stadium.
Both games will kick-off at half-past seven.