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  • 1.  Strange PoE Admin Mode behaviour on Aruba Instant On 1930 48G Class4 PoE Switch (JL686A)

    Posted 02-15-2023 04:23 PM

    Hello community,

    I've discovered a strange behaviour when I try to disable PoE power delivery to one of my wi-fi access points connected to a Instant On 48G PoE Switch Model JL686A. I have two identical Ubiquiti U6 Pro Access Points connected to interface 1 and 42 of the switch. Hardware Address (MAC) of both devices differs only in two bit:

    After rebooting the switch the PoE status looks like expected. 5 to 6 Watts are delivered to each device:

    When I disable Admin Mode on either one of the ports the access points are connected to, both(!) access points stay powered. For example, if I disable Admin Mode on Port 1, PoE status looks like this:

    Interface 1 is shown as disabled, although the connected device is still powered up. Power delivered by interface 42 is now ~12 Watts, which is roughly twice of the power delivered when PoE as enabled on interface 1.

    After reenabling PoE Admin Mode on interface 1 again, status looks like this. PoE Status remains in state Searching while interface 42 still delivers ~ 12 Watts:

    Same happens to interface 1 if I disable PoE on interface 42 (or any other combination of two interfaces): both interfaces deliver power and sum of power is stated for interface 1, while PoE status of interface 42 changes to Disabled.

    Only chance to power down interface 1 is to disable interface 42 as well, but then I have no individual power control over my access points.

    Both access points are connected via regular Cat. 6a patch cables to the switch. I have updated the switch to latest firmware version 2.7.0 und performed a factory reset.

    Does anyone have an idea, whats going on here?

    Kind Regards,
    Norman



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    Norman
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  • 2.  RE: Strange PoE Admin Mode behaviour on Aruba Instant On 1930 48G Class4 PoE Switch (JL686A)

    Posted 02-17-2023 03:44 PM

    Hi Norman, 

    I shared this with my team. I'll let you know their response soon. 



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    Aruba Instant On Communications
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  • 3.  RE: Strange PoE Admin Mode behaviour on Aruba Instant On 1930 48G Class4 PoE Switch (JL686A)

    Posted 02-24-2023 12:04 PM

    Hey Norman,

    Just updating you that my team is looking into this and I hope to have an update soon. 



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    Aruba Instant On Communications
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  • 4.  RE: Strange PoE Admin Mode behaviour on Aruba Instant On 1930 48G Class4 PoE Switch (JL686A)

    Posted 02-28-2023 04:12 PM

    Hi Norman,

    My apologies this is taking a little longer than expected to get an answer, but when I have one, I will update it immediately. 



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    Aruba Instant On Communications
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  • 5.  RE: Strange PoE Admin Mode behaviour on Aruba Instant On 1930 48G Class4 PoE Switch (JL686A)

    Posted 03-09-2023 11:00 AM

    Hi Norman, 

    My apologies for the delay. My team did attempt to reproduce this to see if they would get the same outcome. They have requested that you reach out to our customer support team because when they reproduce the issue, the device works fine for them. https://www.arubainstanton.com/contact-support/



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    Aruba Instant On Communications
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