Hi @Khaled_A You need to configure a local DNS-Server(Raspberry Pi or any device) on the same network where you need the local hostnames. Then connect the lan port of this DNS server to one of your switches and ping the IP and hostname of the server from your router to see if everything works properly.   Then you can create the desired local DNS names via an A record on your local DNS server and point the local DNS names to your local IP address that you want to reach with hostnames. So that's it! ... View more