asus vlan

Hi I have ASUS routers XT8, XT9. Main router is XT9 connected to my ISP router (wan port). I have also cellular router connected to LAN1 which set to be backup connection. I have other nodes which connected to managed switch which connected to LAN2 of the main XT9. My issue is that...

Sorry if this has been posted already, So recently I've been needing 2 extra VLANS, Mostly so I can easily seperate my network from my parents (seperate houses connected via fiber) So my parents are not double NAT'd. We have 2 IP's from the ISP so I did have there Eero router connected to the...