When you configure one Routing Engine and another Routing Engine needs to have a similar configuration, or when you upgrade the Junos OS version on one Routing Engine, you can simplify the process by copying files from one Routing Engine to another...
http://www.ebrahma.com/2013/12/copy-files-from-one-location-to-another-on-a-routing-engine/Labels: another, configuration, copy, Engine, file, how-to, location, one, Routing