@amtra Refer this thread regarding your request.

@Ser2 Look at your router bottom sticker - there you will find your firmware region and HW version - details. Use that region and HW version when choosing the FW release.

@hWmMzIfYNRISEgn Same wireless channel for main, guest and IoT network should be by design - its one wireless radio (per wireless band) but different SSIDs - look at this feature request. "the router...

@Bogart99 I can't see any attachment in your post - you may edit your post if necessary. Assuming that your Zyxel LTE7490-M904 LAN IP address is 192.168.1.1/255.255.255.0 Pay attention that VR900...

@Sabhanam Check you C6s ethernet port negotiated speed when they are connected via switch and directly to C5: When C6s connected via switch the ethernet ports should show 100mbps (in case your switch...

@Bogart99 I admit that's a little confusing but lets say that your main router has LAN IP address 192.168.1.1 with DHCP range of 192.168.1.2 to 192.168.1.100. Use 192.168.1.101 for VR900 LAN IP...