Upgrade Software Packages

An upgrade software package name is in the following format: package-name-m.nZx-distribution.tgz.

package-name is the name of the package—for example, junos-jsr.
m.n is the software release, with m representing the major release number and n representing the minor release number—for example, 8.5.
Z indicates the type of software release. For example, R indicates released software, and B indicates beta-level software.
x.y represents the software build number and spin number—for example, 1.1.
distribution indicates the area for which the software package is provided—domestic for the United States and Canada and export for worldwide distribution.

A sample J-series upgrade software package name is junos-jsr-8.5R1.1-domestic.tgz.