My IPTV is private. So it's third-party. Yes, when I disabled Load balansing; changing channels quickly.

Yes. I was tried checked and unchecked. If unchecked my internet down: 46 mbit / up:8 mbit. If checked down: same up:4 mbit. But I can not changing iptv channels when I enabled "Enable Load...

@Virgo Yes. WAN IP.

Hello, I have 2 WAN from same ISP. 2x 24 mbit. I configured load balancing mode. Transmission > Enable Load Balancing (checked). Enable Application Optimized Routing (unchecked) Enable Bandwidth...