Hello TP-Link Community, I recently set up a network using the ER7206 router, SG2428P switch, and OC300 controller. However, I've encountered a recurring issue: when the internet goes down or the ISP'

Hi, I am using omada network using this topology and i have this problem accessing some website, not all, only few website display this kind of error but this is only happen when i am using omada netw