JUNOS Software Release Numbers

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The JUNOS software release number represents a particular revision of the software that runs on a Juniper Networks routing platform, for example, JUNOS Release 8.5, 9.1, or 9.2. Each JUNOS software release has certain new features that complement the software processes that support Internet routing protocols, control the router’s interfaces and the router chassis itself, and allow router system management. On the Juniper Networks Support Web page, you download JUNOS software for a particular JUNOS software release number.

The following example shows how the software release number is formatted:




m.nZb.s

For example:




9.2R1.8

Where:

m is the major release number of the product
n is the minor release number of the product
Z is the type of software release. The following release types are used:
- R—Released software
- B—Beta release software
- I—Internal release software
b is the build number of the product
s is the spin number of the product

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