I am a newbee and trying to have a simple way of permitting particular systems in the user network to access the server network. All server services are only accessible by the internet for users....

@mehmeh Thanks Mehmeh, this was a great help as i understood double NAT should work and build the network similarly. I was able to get all required functions working and tested accordingly. Learning...

@mehmeh Thank you I will try this instantly. Is therre an option to migrate to the tp_link cloud at a later time or should I always stay standalone?

I am new to Omada (just odered Router, multiple switches and Acesspoints for our network integrating our company and 3 houses) and want to test this full net network parallel to the existing network...