I have a FlashAir W-04 that will connect over wireless to a Netgear router but it won't connect correctly to to AC88U. When I power on the Flash-Air, in the router log I see:
Jan 4 16:39:37 dnsmasq-dhcp[16515]: DHCPOFFER(br0) 192.168.1.13 ec:21:e5:95:39:c2
Jan 4 16:39:44 dnsmasq-dhcp[16515]...