Wi-Fi network roaming with 802.11k, 802.11r, and 802.11v on iOS

https://support.apple.com/en-us/HT202628
https://support.apple.com/zh-tw/HT203068

The lists below show which iOS devices support 802.11k, 802.11r, and 802.11v. To use 802.11k and 802.11r, you need iOS 6 or later. To use 802.11v, you need iOS 7 or later. To use adaptive 802.11r, you need iOS 10 or later.

802.11k and r

• iPhone 4s and later
• iPad Pro and later
• iPad Air and later
• iPad mini and later
• iPad (3rd generation) and later
• iPod touch (5th generation) and later

Adaptive 802.11r

• iPhone 6s and later
• iPad Pro and later
• iPad (5th generation)

802.11v

• iPhone 5c, iPhone 5s, and later
• iPad Pro and later
• iPad Air and later
• iPad mini 2 and later
• iPad (5th generation)
• iPod touch (6th generation)

The AP steering test bed.

Two clients connect with each AP via ethernet and associate  via WiFi PCIe 3x3:3 and one USB WiFi Adapter.

when the dhcp server be turn on, the AP which connect with become to RootAP and the ExtAP should be connect with it via backhaul.

Run the ixChariot to generate traffic, make loading over 70%.