these requests do not show up on ether1
How do you check? If it is tagged on the bridge, it should be tagged on ether1. (Unless STP/RSTP is blocking the transfer)
We have not defined a VLAN interface here that can read/write in the VLAN 15 or 25. Should not be needed for normal traffic.
You did not show everything … for solution 1 …" VLAN filtering" must be “no”, and all PVID on value 1.
http://forum.mikrotik.com/t/best-way-to-configure-multi-ssid-ap-with-vlan-breakout/143502/1