With many of the players being released back to their provinces for the weekend, a depleted squad will hold a light work-out with Joe Schmidt and his coaches ahead of next week's trip to face England at Twickenham.
Meanwhile, Munster are the only province in action tonight in the Guinness Pro12.
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Anthony Foley's men travel to face defending champions the Glasgow Warriors at Rugby Park, where kick-off is at 19:35.