The north west giants have a long history and a bitter rivalry both on and off the pitch.
But after this week's release of the
"We are two great clubs, ourselves and Liverpool," said Ferguson, ahead of this weekend's clash with Wigan Athletic.
"We should understand each other's problems. Maybe a line will be drawn in the sand in terms of their behaviour towards each other."
The teams face each other next weekend at Anfield, and will be hoping for none of the controversy of last season.
He then refused to shake the defender's hand before the game at Old Trafford in February this year, sparking an ill-tempered game which United won 2-1.
Meanwhile, Ferguson confirmed that