@NeilR_M I was using the Cloudfare time server before trying to change to the Google time server. The FQDNs for the servers were used in the controller setting. The IP address of the local NTP server...

@NeilR_M The switches are using the latest firmware (4.20.17 Build 20260121 Rel.53429). Removing or changing back to the old NTP server did not fix the problem. Rebooting the controller also did not...

After changing the NTP server in the controller, all of the network SG2008 switches are now displaying DISCONNECTED in the Devices list. In the site's topology map they are also showing as being not...

@AlokJain I may be wrong but I believe that only the Omada gateways can do the automatic failover that you are looking for.

@wickie Without going into detail here, do a Google search for "Omada inter switch routing" and the AI response will explain everything.

@Hank21 Upgrade was successful and no issues have been noted.