Walker left Forest in January after Gary Megson's arrival at the club and said goodbye in style at his testimonial last month.
The former England man wants to remain in the game and had been linked with a move to join Stuart Pearce's backroom team at Manchester City.
Ilkeston boss Phil Stant though wants Walker to continue playing and said: “We are trying to persuade him and he’s interested. It’s a case of fingers crossed.”