lan bridging

Hello, Been trying to work out how to connect IoT devices on Guest network that allows to interact with main wifi to Airplay etc. Currently only have Samsung TV and Sonos Arc that requires this. Intranet access set to disable by default and on guest wifi 2 with 192.168.50.0 subnet. How do you...

Hi I'm new to home networking, but the problem I have is that I have to LANs (192.168.1.x and 192.168.2.x) but I don't know how to bridge or route network traffic between them, so if I'm on one LAN I can reach the other. The router for my 1 LAN is an ASUS RT-AC3100 which handles all computer...