Leinster survived a late Munster onslaught to claim a crucial Pro12 victory that moves them top of the table following Connacht's loss last night.
Johnny Sexton scored all of Leinster's points and had them leading at the break thanks to a strike from the tee and then touching down with the game's opening try just before the interval.
Johnny Holland got Munster off the mark, with two penalties of his own in the first half.
The battle of the two Johnnys re-commenced after the break, with the Munster version striking first for a try soon after the restart to leave Munster three points to the good.
Sexton added two more penalties to reverse the deficit and hand Leinster the initiative before there was one more twist in the tale with Cian Healy being binned late in the game, with Munster applying serious pressure to the line in the dying stage, but to no avail as a knock-on cost them possession, and ultimately, the game.
Credit ©INPHO/Dan Sheridan
CJ Stander leads out his side before kick-off at the Aviva
Credit ©INPHO/Dan Sheridan
Leinster emerge from the fog and take to the pitch
Credit ©INPHO/Dan Sheridan
Eoin Reddan and Simon Zebo compete in the air
Credit ©INPHO/Dan Sheridan
Simon Zebo can't keep hold of the ball after finding a gap
Credit ©INPHO/James Crombie
Rory Scannell hits Sean Cronin low
Credit ©INPHO/James Crombie
Johnny Sexton grounds the ball for the game's opening try
Credit ©INPHO/James Crombie
Johnny Holland crosses for Munster's first try of the day
Credit ©INPHO/James Crombie
Conor Murray and Robin Copeland are elated with the score
Credit ©INPHO/James Crombie
Keith Ealrs breaches Leinster's defensive line
Credit ©INPHO/Dan Sheridan
Johnny Sexton kicks a crucial penalty
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