The AP fast failover feature supports APs in campus mode using tunnel or decrypt-tunnel forwarding modes, but does not support campus APs in bridge mode. This feature is not supported on remote APs and mesh APs in any mode. Legacy AP‑60 series and AP‑70series APs also do not support this feature.
Client state sync is only supported on a pair of controllers in a HA group.
Aruba Mobility Controller 3600-US running AOS version 18.104.22.168.
 Aruba OS 6.3 User Guide
Will Client-state sync work with captive-portal authenticated users(open SSID)?
Is this feature only available on local controller in a Master/local setup?
or is it possible to implement it on master controller in an all-master deployment?
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