在 openwrt 下，配置 80211r 实现 AP 节点漫游

安装 wpa-openssl 包，然后编辑 /etc/config/wireless
保持空间内几个 AP 的接入点配置一致即可实现 AP 漫游

config wifi-device 'radio2'
	option type 'mac80211'
	option path 'soc@0/20000000.pci/pci0000:00/0000:00:00.0/0000:01:00.0'
	option band '5g'
	option country 'US'
	option channel '36'
	option txpower 'auto'
	option htmode 'HE160'
	option mu_beamformer '1'
	option cell_density '0'
	option disabled '0'

config wifi-iface 'default_radio2'
	option device 'radio2'
	option network 'lan'
	option mode 'ap'
	option ssid 'mySSID'
	option encryption 'sae'
	option key 'myPassword'
	option ieee80211r '1'
	option ieee80211k '1'
	option ieee80211v '1'
	option wnm_sleep_mode '1'
	option bss_transition '1'
	option mobility_domain 'abce'
	option ft_over_ds '0'
	option ft_psk_generate_local '0'
	option reassociation_deadline '20000'
	option disassoc_low_ack '0'