It's like i talk to a wall. Please dont reply anymore. I work actively since 3 years with english people (usa in particular) and you dont have the same thinking than european people. So please admin...

That's not the problem. When you use OC200 in LAN configuration, there is an option to configure DHCP. OC200 is not capable of acting as a DHCP server so, why to leave this option in this device....

@Clive_A Okay. But like you see on my diagram, i only have one OC200 and EAP225. My major problem was i was thinking that OC200 was able to act as a DCHP server (like we can think when we go in...

@Clive_A I begin to understand. Basically i I thought that OC200 was a more "intelligent/powerfull" device. But Effectively it can control all OMADA device, but no interest in my case, because i have...

@Clive_A So why TP-LINK let all this configuration possible if it impossible on OC200 ???? So SDN Software is not well dev/adapted for OC200. I'm going to try under Windows with multiple interface. I...

@MR.S OC200 V2 is not OMADA Material ????????????????????????? https://www.tp-link.com/fr/business-networking/omada-sdn-controller/oc200/ And VLAN ISOLATION Works on OC200 Controller. So i think...