[USG Flex 500H] - New firmware 1.40 and port P2 DEAD

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  • Maverick87
    Maverick87 Posts: 490
    Zyxel Certified Network Administrator - WLAN Zyxel Certified Network Administrator - Nebula Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate
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    I don't know; I don't never applied the .ri boot code.
    Anyway the firmware update was successfully applied, the FW reboot normally.

    Then I discovered that the port was broken and revert to the old configuration using the standby partition (that it was used until the firmware upgrade —> 1.39 uOS).

    Also in this case, the port P2 not working.

    From this, I've tried to reset the configuration, so the FW reboot on 1.39 with the default config, but also in this case nothing to do.

    Now, I've re-enabled the partition with 1.40 uOS.

  • Zyxel_Luna
    Zyxel_Luna Posts: 113
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    Hi @Maverick87,

    Please refer to the FAQ below to enable Zyxel Support Access:

    [Nebula] How to turn on Zyxel Support Access? — Zyxel Community

    Once enabled, please provide your Organization and Site name so we can further investigate and clarify the issue for you. Thank you for your cooperation.

  • Maverick87
    Maverick87 Posts: 490
    Zyxel Certified Network Administrator - WLAN Zyxel Certified Network Administrator - Nebula Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate
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    Hi @Zyxel_Luna,
    I've enabled it until 2026-11-10.

    Org: MyHouse
    Site: MyHome

    I've just raise a ticket: https://mysupport.zyxel.com/hc/en-us/requests/600312

    Thank you

  • Zyxel_Tina
    Zyxel_Tina Posts: 1,047
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Switch 250 Answers 1000 Comments
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    Hi @Maverick87,

    We have forwarded the issue to the relevant team.

    Currently, they have not been able to reproduce the issue/behavior you encountered.

    We will continue to monitor this case and will update you if we have a further solution.

    image.png

    Zyxel Tina

  • Maverick87
    Maverick87 Posts: 490
    Zyxel Certified Network Administrator - WLAN Zyxel Certified Network Administrator - Nebula Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate
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    Hi @Zyxel_Tina,
    ???

    On Nebula, I see now the port down

    image.png

    And also from the device:

    image.png

    How is possible that you see the port up&running?

    Also, I confirm that at the moment, the port P2 is connected to a switch that is up&running

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