Installation Bundles
The installation bundle can be used to downgrade or upgrade the Junos OS between minor revisions (from Release 9.1 to Release 9.2, for example). When used, the installation bundle modifies only the files required for the upgrade or downgrade between versions.
![]() | Note: You should only use the installation bundle under direction of a Juniper Networks support representative. |
The following installation bundle files are available for download:
| Installation Bundle | Description |
jbundle* | Junos OS for the M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus routers. |

