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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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Unexpected client drop

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  • 1.  Unexpected client drop

    Posted Sep 07, 2021 09:35 AM
    The following messages on our Mobility Controllers have appeared in their hundreds which have coincided with a 3.5K client drop. 
     
    Sep 6 21:16:10 KERNEL(d0:d3:e0:ca:6e:30@172.30.167.204): [2872554.634345] uol_set_sta_nexthop:361 tun lookup failure
    -This particular message highlights an AP which also produced these alerts on Airwave - which is the same for potentially hundreds of APs, numbers unclear.  
    Mon Sep 6 21:27:54 2021 System AP's associated controller is changed from UWS-MC-A6 to UWS-MC-A1
    Mon Sep 6 21:25:12 2021 System Status changed to 'OK'
    Mon Sep 6 21:25:12 2021 System Up
    Mon Sep 6 21:20:40 2021 System AP's associated controller is changed from UWS-MC-A3 to UWS-MC-A6
    Mon Sep 6 21:13:19 2021 System Status changed to 'AP is no longer associated with controller'
    Mon Sep 6 21:13:19 2021 System Down

    Sep 6 21:17:03 isakmpd[10564]: <103103> <10564> <WARN> |ike| 172.30.216.65:4500-> IKE SA Deletion: IKE2_delSa peer:172.30.216.65:4500 id:3640400334 errcode:STATUS_IKE_INITIAL_CONTACT saflags:0x1 arflags:0x0
    -These messages also appeared at the time of the incident.

    I have submitted a TAC case for technical assistance - is there anyone who has any immediate thoughts/ concerns or shared a similar experience?

    Thanks, Adam
    University of Cambridge 


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    Adam Newson
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  • 2.  RE: Unexpected client drop

    MVP
    Posted Sep 22, 2021 02:19 PM
    Hi Adam,

    What model APs are these and what firmware version are you running?

    Thanks.

    ------------------------------
    Michael Haring

    AirHeads MVP 2017, 2019-2021
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    Original Message