Preheat the smoker to 225 degrees.
Prepare the bologna by removing any packaging or casing.
Score the meat by slicing about ½ inch deep horizontally and again vertically.
In a medium bowl combine the brown sugar, garlic powder, onion powder, ground mustard, ancho chili powder, paprika, salt and pepper.
Whisk until well combined, set aside.
Spread the mustard over the scored bologna making sure to get in between all the cuts.
Then add the homemade rub to the bologna and rub it down making sure to get in between all the cuts again.
Place the bologna onto the preheated smoker.
Close the lid and let smoke for two and a half hours.