Router will periodically send IGMP query. you can disable that under network--iptv--igmp proxy

nice sharing

is the router remade by your ISP? where did you buy it? if so, you are not able to upgrade the firmware from tp-link. you may try the old one 160512...

can't understand what the picture are saying. did you try to turn off anti-virus or firewall？ maybe you can contact tp-link support and ask for suggestion.

1 data transmission between the two TL-PA9020P Powerlines be at a faster speed and transmission between a TL-PA9020P and the TL-WPA4220 is slower. [*]also refer to this....

as far as i know, the base station can go directly to the antenna. have you seen this guide? https://static.tp-link.com/res/down/doc/TL-ANT2424MD_V1_QIG.pdf or base station and antenna are in...