@RickMo If the IP addresses are the same this could be a problem since the ER605 wouldn't know how to load balance between the two ISPs. A workaround would be to use the Starlink router in bridge...

@konstantinosdms This would be possible only if you have a full cooperation from ISPs in your country and the "new owner" didn't change its WAN MAC address. Not to mention that if the "new owner"...

@jra11500 TL-SG105E is an EasySmart switch which has WebGUI management and support VLANs. As already was pointed: " The internet and IPTV connections can not be combined if the router's LAN port is...

@PTMguelph No, you don't have to worry. You reached teh router WebGUI via HTTP thus your connection is not private. But that's fine because you're within your local nestwork. tplinkwifi.net is used...

@Egyk No, you can't turn off this feature, but you can mitigate its behavior - check this thread. There's a feature request regarding this functionality as well - here.

@SurendraJangid Archer C6 doesn't have range extender mode. Go through this thread to see how to enable WDS feature.