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  • 1.  upgrade from 20.4R2-S2.2 to 21.1

    Posted 01-24-2022 15:36

    Bonjour everybody,

    Junos 21.3R1 was identified in JSA11287 Security bulletin   as resolving multiple vulnerabilities.

    So I decided to install it on a couple of 2300-C in my lab while waiting for it to become the recommended version by JTAC

    (https://kb.juniper.net/InfoCenter/index?page=content&id=KB21476&actp=METADATA

      My 2300 are running JUNOS 20.4R2-S2.2. now.

    I used the following options to install the new image , as I have been doing about a zillion times.

    request system software add /tmp/junos-arm-32-21.3R1.9.tgz force unlink no-copy

    ... but after the removal of some /var files, the installation stopped with the following message

    ERROR: Cannot validate junos-arm-32-21.3R1.9.tgz: requires osmajor 12 kernel support.

    NOTICE: Use the 'no-validate' option to proceed.

     

    Now I will try using the no-validate option, since this is a lab,  but I was a bit concerned on the consequences of using this option, since I have been doing many times those kind of upgrade without this option being requested.

    Any thoughts ?

     

    Thanks,

     

    __________________________________________

    Michel Lapointe

    Projet GIRAT 2.0

    Michel.lapointe@girat.org

    Cell : (819) 279-0844

     

    GIRAT     http://www.girat.org

    (Gestion de l'inforoute régionale de l'Abitibi-Témiscamingue)

    Girat_Image30x116

     



  • 2.  RE: upgrade from 20.4R2-S2.2 to 21.1

    Posted 01-24-2022 16:27

    You see this message because there was an upgrade in the Kernel-Space below JunOS (BSD-Upgrade) :)

    And since an older Version cannot correctly verify a new Version this message is expected and can safely be used.



    ------------------------------
    Christian Scholz
    Juniper Networks Ambassador | JNCIE-SEC #374
    Mail: chs@ip4.de
    Blog: jncie.eu | Twitter: @chsjuniper | YT-Channel: netchron
    ------------------------------



  • 3.  RE: upgrade from 20.4R2-S2.2 to 21.1

     
    Posted 01-24-2022 17:13

    Hello,

    here you can find the public document for this behavior:

    https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1568757


    By the way, the "unlink" upgrade command should not be used on EX series platforms, even the knob is visible:

    "(Optional) On M Series, T Series, and MX Series routers, use the unlink option to remove the software package from this directory after a successful upgrade is completed."

    I've seen strange behavior in the past by using the unlink option on alternative platforms.



    ------------------------------
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    ------------------------------



  • 4.  RE: upgrade from 20.4R2-S2.2 to 21.1

    Posted 01-24-2022 17:14
    Actually unlink is set by default now on the EX Series - usually it even shows this if you set this option :)

    ------------------------------
    Christian Scholz
    Juniper Networks Ambassador | JNCIE-SEC #374
    Mail: chs@ip4.de
    Blog: jncie.eu | Twitter: @chsjuniper | YT-Channel: netchron
    ------------------------------



  • 5.  RE: upgrade from 20.4R2-S2.2 to 21.1

    Posted 01-25-2022 05:32

    Bonne soirée  Christian,

                   Yes, I remember seeing the « setting unlink by default" statement appear at the beginning of the adding new image process.

    So I guess I can pretty much remove it from my command and replace it with what I see in the PR1568757 is a mandatory   no-validate option.

     

    Thank you very very much for your quick and useful answers.

     

    Michel Lapointe

    GIRAT

    Rouyn-Noranda

    Quebec

     

     

    De : Christian Scholz (chsjuniper) via Juniper Networks <Mail@community.juniper.net>
    Envoyé : 24 janvier 2022 17:16
    À : Lapointe, Michel <Michel.Lapointe@girat.org>
    Objet : RE: Junos OS : upgrade from 20.4R2-S2.2 to 21.1

     

    Actually unlink is set by default now on the EX Series - usually it even shows this if you set this option :) ------------------------------... -posted to the "Junos OS" community

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    Re: upgrade from 20.4R2-S2.2 to 21.1

    Jan 24, 2022 5:14 PM

    Christian Scholz (chsjuniper)

    Actually unlink is set by default now on the EX Series - usually it even shows this if you set this option :)

    ------------------------------
    Christian Scholz
    Juniper Networks Ambassador | JNCIE-SEC #374
    Mail: chs@ip4.de
    Blog: jncie.eu | Twitter: @chsjuniper | YT-Channel: netchron
    ------------------------------

      Reply to Group Online   View Thread   Recommend   Forward  


    Hello,

    here you can find the public document for this behavior:

    prsearch.juniper.net/InfoCenter/...


    By the way, the "unlink" upgrade command should not be used on EX series platforms, even the knob is visible:

    "(Optional) On M Series, T Series, and MX Series routers, use the unlink option to remove the software package from this directory after a successful upgrade is completed."

    I've seen strange behavior in the past by using the unlink option on alternative platforms.



    ------------------------------
    ------------------------------
    If my answer provides the solution, please mark my post as "Best Answer".
    If you think my answer helps, please "Recommend" my post.



     

     

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    Original Message:
    Sent: 1/24/2022 5:13:00 PM
    From: Christian Scholz (chsjuniper)
    Subject: RE: upgrade from 20.4R2-S2.2 to 21.1

    Actually unlink is set by default now on the EX Series - usually it even shows this if you set this option :)

    ------------------------------
    Christian Scholz
    Juniper Networks Ambassador | JNCIE-SEC #374
    Mail: chs@ip4.de
    Blog: jncie.eu | Twitter: @chsjuniper | YT-Channel: netchron
    ------------------------------

    Original Message:
    Sent: 01-24-2022 16:48
    From: Daniel
    Subject: upgrade from 20.4R2-S2.2 to 21.1

    Hello,

    here you can find the public document for this behavior:

    https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1568757


    By the way, the "unlink" upgrade command should not be used on EX series platforms, even the knob is visible:

    "(Optional) On M Series, T Series, and MX Series routers, use the unlink option to remove the software package from this directory after a successful upgrade is completed."

    I've seen strange behavior in the past by using the unlink option on alternative platforms.



    ------------------------------
    ------------------------------
    If my answer provides the solution, please mark my post as "Best Answer".
    If you think my answer helps, please "Recommend" my post.