The Former Norwich and England under 21 keeper has been frozzen out at Portman Road this season, with both new signing Kelvin Davis, and academy youngster Lewis price ahead of his in the pecking order due to his inconsistant displays last season.
Marshall earlier this week turned down a move to Plymouth, admitting that he would not want to drop down into the second division: "Just over a year ago I was playing in the Premiership and last season in Division One." said Marshall.
Marshall to Luton?
"I know I'm good enough to carry on playing at least that level and am looking to stay in Division One or join a Premier club. As for Luton, because of its relative locality, it might be more likely."