After disabling the main WiFi, I managed to get the devices connected to the guest WiFi internet, but the random disconnects would still occur. It’s not a wifi issue since the disconnects happen on LAN aswell. I would get random spikes in ping hitting up to 999ms …(feels like someone’s manually unplugging the Ethernet cable and plugging it in real quick). There is a post similar to mine that I found, with the given errors I previously posted aswell. I will post it below: