It is not possible to setup Mikrotik with country Czech republic and regulatory domain and then access point after radar detection will tune outside 5500-5700 Mhz - this is outdoor range allowed in CZ... many ISP are not aware of it and after upgrade could pay fines, because of indoor range frequenc...

Hi, I have problem with multicast too - huawei gpon OLT... I have modified ont srv profile and then multicast and igmp goes through sfp to switch... but... after some time-15-20hours, general query is not passed to the switch connected via mikrotik sfp, then router port is lost and multicast stop......