Reigning champions Connacht will launch the defence of their Guinness PRO12 title against Glasgow Warriors.
Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Wales international lock Lou Reed has signed a two-year contract to join Sale Sharks from Cardiff Blues.
We put the best in the Guinness PRO12 up against the best in the Aviva Premiership in our head-to-head teams of the season.
Connacht led the way at the Guinness PRO12 awards in Dublin where Bundee Aki was named Players' Player of the Year.
Watch all the highlights from a dramatic final round in the Guinness PRO12 as Leinster and Connacht booked home semi-finals.
Edinburgh were denied a place in next year's Champions Cup after Cardiff Blues came from behind to beat them in their PRO12 clash.
Leinster will take on Ulster and Connacht will host Glasgow in the Guinness PRO12 play-offs, live on Sky Sports.
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Barbarians v South Africa
5th November 2016