802.11r Fast Transition how to understand that FT works?

Installing and Using OpenWrt
164

Here is my wirelss config in case this helps:

root@OpenWrt:~/cake-autorate# cat /etc/config/wireless

config wifi-device 'radio0'
        option type 'mac80211'
        option path 'platform/18000000.wmac'
        option channel '1'
        option band '2g'
        option htmode 'HT40'
        option country 'GB'
        option noscan '1'
        option cell_density '2'

config wifi-iface 'default_radio0'
        option device 'radio0'
        option mode 'ap'
        option wds '1'
        option ssid 'XXX'
        option encryption 'psk2'
        option key 'XXX'
        option ieee80211r '1'
        option reassociation_deadline '20000'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'
        option network 'guest'
        option dtim_period '3'

config wifi-device 'radio1'
        option type 'mac80211'
        option path '1a143000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0'
        option channel '36'
        option band '5g'
        option htmode 'HE80'
        option country 'GB'
        option he_bss_color '8'
        option he_su_beamformee '1'
        option cell_density '2'

config wifi-iface 'default_radio1'
        option device 'radio1'
        option network 'lan'
        option mode 'ap'
        option wds '1'
        option ssid 'XXX'
        option encryption 'psk2'
        option key 'XXX'
        option ieee80211r '1'
        option reassociation_deadline '20000'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'
        option dtim_period '3'

config wifi-iface 'wifinet2'
        option device 'radio0'
        option mode 'ap'
        option ssid 'XXX'
        option encryption 'psk2'
        option key 'XXX'
        option ieee80211r '1'
        option reassociation_deadline '20000'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'
        option network 'lan'
        option dtim_period '3'

Pixel 3a and Windows laptops transition fine between 3x RT3200's connected via WDS. Apple devices have always been a little problematic. I'm not sure if this is an FT problem or something else but there are quite a few reports of issues on this forum - see e.g. :