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APs go offline overnight

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  • 1.  APs go offline overnight

    Posted Sep 30, 2025 12:40 PM
    Edited by ahill-4vo1 Sep 30, 2025 12:41 PM

    Our APs in a particular group go offline over night consistently? We have 3 APs in our Athletics group and sometime during the night or early morning the APs go offline and don't come back up. They show green lights but users can't connect to them. I've tried different firmware and 2 different AP models 2 655 and 1 555, the 655s are connected to 1 aruba switch and the 555 is connected to a cisco switch,the switches shows that the devices are up and rebooting the switches will bring the APs back online. We see no blocked connections on the firewall as well along with no viable information the events just says ap went offline. 



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  • 2.  RE: APs go offline overnight

    Posted Sep 30, 2025 09:03 PM

    what Aruba switch you have to power up the AP-655s? 

    also have you enabled IPM for the APs? 

    Lastly when the APs are in that state, can you console to one of them?



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    If my post was useful accept solution and/or give kudos.
    Any opinions expressed here are solely my own and not necessarily that of HPE or Aruba.
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  • 3.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:38 AM

    We're using aruba JL255A switch for 2 655s and Cisco C1300-8T-E-2G with a TRENDnet 10G POE++ injector for the 555 AP.

    IPM is enabled and set to 2: Disable_alt_eth       1:disable_usb

    I'll have to wait for them to go down to check if I console into them. 

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    Original Message


  • 4.  RE: APs go offline overnight

    Posted Oct 01, 2025 07:13 AM

    655 and 555 are quite power hungry. If you only have a CLASS 4 PoE, then you need two ethernet interfaces to power it for normal operation.

    What can you see from show tech-support logs?

    Best, Gorazd



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    Gorazd Kikelj
    MVP Guru 2025
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  • 5.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:42 AM

    We're using aruba JL255A switch for 2 655s and Cisco C1300-8T-E-2G with a TRENDnet 10G POE++ injector for the 555 AP.

    The 555 went offline at Sep 30th 11:43:28

    Cloud Last connect status
    -------------------------
    Last connect ID        :4657
    Last connect time      :2025-10-01 08:43:52
    Last connect trigger   :retry connect

    Cloud Last connect fail status
    -------------------------
    Last fail server       :device-uswest5.central.arubanetworks.com
    Last fail time         :2025-10-01 08:42:50
    Last fail reason       :dns error

    Cloud Last login down status
    -------------------------
    Last down server       :device-uswest5.central.arubanetworks.com
    Last down time         :2025-09-30 11:42:33
    Last down reason       :keep alive timeout

    Cloud Last login done status
    -------------------------
    Last connect done      :2025-10-01 08:43:53
    end of show ap debug cloud-server

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    Original Message


  • 6.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:49 AM

    What's the output from "show version" on one of the APs?



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    Carson Hulcher, ACEX#110
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    Original Message


  • 7.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:58 AM

    HPE Aruba Networking Wireless Operating System.
    AOS-10 (MODEL: 555), Version 10.7.2.1 SSR
    Website: http://www.arubanetworks.com
    (c) Copyright 2025 Hewlett Packard Enterprise Development LP.
    Compiled on 2025-08-09 at 07:35:15 UTC (build 93286) by jenkins
    FIPS Mode :disabled
    Extension Image :not support

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    Original Message


  • 8.  RE: APs go offline overnight

    Posted Oct 01, 2025 11:03 AM

    Could you include the uptime and last reboot reason, please?  That's what I was wanting to see.



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    Carson Hulcher, ACEX#110
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    Original Message


  • 9.  RE: APs go offline overnight

    Posted Oct 03, 2025 05:51 AM

    Cloud Last connect fail status says DNS error...

    Can you login to offline ap and check out "show ap debug cloud-connectivity" if there is some more info about error and to make sure device has proper ip/gw/dns addresses.
    Also see if you can ping dns address mentioned there in printout from ap.



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    Jori Luoto
    AV-IT Specialist
    Audico Systems oy
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    Original Message


  • 10.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:34 AM

    What firmware version?



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    Carson Hulcher, ACEX#110
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  • 11.  RE: APs go offline overnight

    Posted Oct 01, 2025 10:44 AM

    They're currently 10.7.2.1_93286 but tried  10.7.2.0_92876 and 10.7.1.1_92045 with the same issues.

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    Original Message


  • 12.  RE: APs go offline overnight

    Posted Oct 01, 2025 07:25 PM

    since you are  using Aruba Central , it should provide additional info like the cause of reboot and perhaps other alerts.



    ------------------------------
    If my post was useful accept solution and/or give kudos.
    Any opinions expressed here are solely my own and not necessarily that of HPE or Aruba.
    ------------------------------

    Original Message


  • 13.  RE: APs go offline overnight

    Posted Oct 02, 2025 01:13 AM

    Did you check Tech Support Dump on AP for clues? Also AI Insights can have provide clues.

    Also the last fail reason: dns error could show to some underlying problem in the infrastructure.

    For checking the power status you can use 

    show ap power-mgmt-statistics
    To see AP to Central communication you can use
    show log provision

    Best, Gorazd



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    Gorazd Kikelj
    MVP Guru 2025
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    Original Message


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