Jason Knight was already turning his thoughts towards the Republic of Ireland's next camp after a super sub performance in the 3-0 away victory over Luxembourg.

The Boys In Green ended the World Cup qualifying campaign on a positive note after building momentum during the international windows in the latter part of this year.

Stephen Kenny's side will not reconvene again until next March but speaking to RTÉ Sport in Luxembourg after his two assists as a second half substitute, Knight was keen to see Ireland maintain the level they have found.

"We can take a lot of confidence, especially from the last couple of camps and it's just about bringing that into the March camp now and keep progressing," he said.

The Derby County midfielder came on shortly after the hour mark in Luxembourg, replacing striker Adam Idah and adding an extra body in a part of the field where Ireland had been outnumbered.

Making runs into the box from midfield, Knight assisted player of the match Chiedozie Ogbene for Ireland's second goal and then met James McClean's cross to tee up a Callum Robinson tap-in for the third.

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"That's what the gaffer has been asking of everyone," he said of the drive to make an impact on the occasion.

"It's a really competitive squad and you just want to do your best when you come on or you're called on to start as well, so it was good to come on and make an impact.

"We tried to get a little bit more control and obviously after the first goal that becomes easier. But I think we got a lot more of that especially in the second half.

The 20-year-old Dubliner added that the passing move in the build-up to the second goal for Ogbene was the "fruits" of what Kenny and his staff are trying to implement and praised McClean for the cross which helped him assist Robinson.

"It was a great ball from James McClean and I saw Callum Robinson run in and it was a good finish," he said.