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Aitor Karanka doesn't plan to give Boro a taste of his own medicine at the Riverside this weekend.

Karanka's Boro had to regularly deal with visiting sides shutting up shop and setting out to frustrate in the promotion chasing seasons of 2014/15 and 2015/16.

Pulis's Boro have had to negotiate a similar set-up from opponents so far this season, with both Bolton and Swansea lacking attacking intent in recent games at the Riverside.

But Forest will set out to attack, insists Karanka. The success of the Spaniard's Boro teams was built on a rock solid defence but at Forest he's said to be trying to build a side equipped to play attacking and free flowing football.

Karanka's side head for the Riverside unbeaten in six in all competitions but on the back of a frustrating home draw with Millwall where Forest threw away a two-goal lead.

He insists he'll return to the Riverside with nothing to prove and with only fond memories of his time at the club.

"I do not feel as though I have a point to prove, I proved myself during my time there," he told Nottinghamshire Live.

"We had very good moments and I do not remember too many bad moments. We were in the Premier League and three points below 17th (when he left). I do not have any bad memories there."

Karanka says his Forest side play a different style of football to his Boro teams of the past.

"The players who I have here are different players to the ones I had in Middlesbrough. For that reason the style was different.

"To play attacking football you need to have players to play with intensity and that quality. We have that. You need a lot of players as well because in the Championship we have a game every few days."

Karanka is excited to return to Teesside.

"I'm looking forward to it," he said.

"I said always that those three and a half years were amazing for me. I started my career there, so it is a club that will always be in my heart. I have a lot of friends there.

"I am really pleased to go back there. But during the 90 minutes I will forget all about them."