hi, fwiw, we see many session times of 00:00 sent from our cisco kit. its a pain because a value of 0 isnt valid with the default SQL code and statements (obviously). we can certainly liaise with this issue - some of it, i believe, is due to the way the LWAPP protocol ships clients into mobility states - or if you use VLAN override the client gets bumped to the correct network but its session is classed as new/changed.
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