Leinster moved up to second position in the PRO12 standings after they outclassed Ulster at the RDS, winning 22-7 on Saturday.
First-half tries from Rory O'Loughlin and Luke McGrath sent Leinster into a dominant early lead, both tries coming off the back of well-worked set-plays.
After the interval, O'Loughlin completed his brace to secure the win. This was before Ulster's domination of possession was rewarded with a late consolation try from Charles Piutau.
The win sees Leinster rise to second place in the PRO12 table. Ulster, meanwhile, fall to fifth following defeat.
O'Loughlin scored the first try of the match after six minutes, Leinster won line-out ball before the 22-year-old ran in from halfway to score. Isa Nacewa converted to send the hosts into an early seven-point lead.
A high tackle gave Nacewa the chance to extend the hosts lead by three points in the 17th minute. The Leinster skipper made no mistake with his boot, kicking successfully to make the score 10-0.
With 32 minutes played, Leinster scored their second try. Jack McGrath received the ball from a line-out before playing in namesake Luke to run in and score unopposed. Nacewa added the extras to make the half-time score 17-0.
The home side scored their third try in the 44th minute, Ross Byrne put a well weighted grubber through to O'Loughlin went over to score. Nacewa missed his conversion on this occasion to leave the score set at 22-0.
In the 56th minute, prop McGrath was yellow carded for an infringement in the ruck. However, Ulster could not score during their period of having a man advantage.
It took until the 77th minute for the visitors to get their first points of the match. Piutau scoring a late consolation try for the visitors. Ruan Pienaar converted to make the final score 22-7.
Tries: O'Louglin 2, L McGrath
Cons: Nacewa 2
Yellow Card: J McGrath (56 min)
Leinster: 15 Isa Nacewa (c), 14 Adam Byrne, 13 Garry Ringrose, 12 Noel Reid, 11 Rory O’Loughlin, 10 Ross Byrne, 9 Luke McGrath, 8 Jamie Heaslip, 7 Josh van der Flier, 6 Sean O’Brien, 5 Hayden Triggs, 4 Devin Toner, 3 Michael Bent, 2 Sean Cronin, 1 Jack McGrath
Replacements: 16 Richardt Strauss, 17 Andrew Porter, 18 Jeremy Loughman, 19 Mick Kearney, 20 Jack Conan, 21 Jamison Gibson-Park, 22 Tom Daly, 23 Zane Kirchner
Ulster: 15 Charles Piutau, 14 Andrew Trimble, 13 Darren Cave, 12 Stuart McCloskey, 11 Tommy Bowe, 10 Ruan Pienaar, 9 Paul Marshall, 8 Roger Wilson, 7 Sean Reidy, 6 Clive Ross, 5 Franco van der Merwe, 4 Kieran Treadwell, 3 Rodney Ah You, 2 Rob Herring, 1 Andy Warrick
Replacements: 16 John Andrew, 17 Callum Black, 18 Jonny Simpson, 19 Pete Brownwe, 20 Chris Henry, 21 Brett Herron, 22 Louis Ludik, 22 Jacob Stockdale
Referee: John Lacey (IRFU)
Assistant Referees: Frank Murphy, Joy Neville (both IRFU)
TMO: Peter Fitzgibbon (IRFU)