HI @Clive_A, Here's the requested information: 1. WAN connection type - PPOE connection. 2. Topology - fibre modem -> router -> oc200+ sg3428+sg2008+eap610+eap225. 3. OC200 Omada version 5.9.32....

Hi, My ER605 disconnects from OC200 controller frequently(every couple of hours) after upgrading to the latest 2.2.0 firmware. However, the internet is still functioning in this case even OC200...