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Software Installation and Upgrade

  • Base OS update (ACX710, EX Series, MX Series, NFX Series, PTX Series, QFX Series, SRX1500, SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, SRX5800, and vSRX3.0)—Starting in Junos OS Release 24.2R1, Junos OS uses the FreeBSD main base OS. This upgrade provides improved security and better performance. In earlier releases, Junos OS used the FreeBSD Release 12 base OS.

    [See Junos® OS Software Installation and Upgrade Guide.]

  • Migration of Linux OS version—Starting in Junos OS Release 24.2R1, the following devices support Wind River Linux LTS22:

    Table 1: List of devices that support Wind River Linux LTS22

    Platforms

    Routing Engines Supported

    ACX5448, ACX5448-D, and ACX5448-M

    RE-ACX-5448

    EX9204, EX9208, and EX9214

    EX9200-RE2

    MX240, MX480, and MX960

    RE-S-X6

    MX2010, MX2020

    REMX2K-X8

    MX2008

    REMX2008-X8-64G

    MX10008, MX10004

    JNP10K-RE1

    MX204

    MX204
    MX10003 JNP10003-RE1

    MX304

    JNP304-RE

    SRX1600

    SRX1600

    SRX2300

    SRX2300

    SRX5800, SRX5600, and SRX5400

    SRX5K-RE3

    QFX10002-60C

    RE-QFX10002-60C

    Starting in Junos OS Release 24.2R1, in order to install VM Host image based on Linux WR LTS22, you have to upgrade the i40e NVM firmaware version to 9.1 or later.