@Clive_A here is a screenshot, I'm running windows controller version 5.14.30.7 Early access, maybe that's the problem.

@NutsB22 it looks like there is something buggy on the 2.5gb port yes, it is the same on ER8411, ER706W and ER707-M2, it seems that default wan cannot be used for IPTV, other non-default WAN ports...

@RLGRIME Yepp goto services and DNS Proxy

@A_Mansoor Edit Client Rate Limit Profile on SSID configuration

@Rickar Yepp

@Kimathi to be honest, I have no idea, there are so many options and possibilities when it comes to fiber and SFP modules. you almost have to check the specifications of the router and SFP and see if...