The only option I can think of right now is to ask the user to upgrade the sccli package from 1.5 to 1.6 or above. This should not have impact on the prod box. However, I suspect that the firmware could be low, thus hanging during sscli input and causing syntax errors. But I can confirm that such migration of firmware needs resetting of the controller which needs downtime. B4 I can suggest anything to user, I need to be sure of my action plan and noting else should screw up. Any further ideas or advise?