ac88u gmac3 5ghz

Hi, I've configured mu AC88u to bridge each SSID (2.4 and 5) in a vlan via a bridge. All works except my first 5ghz SSID. As i've find, this SSID use eth2 (eth1 is for 2.4 SSID) and guest SSID use wlX.X interface. admin@RT-AC88U-4030:/tmp/home/root# brctl show bridge name bridge id...