@Jeremy_12 I did some more research on this: The topology is SG2428P port 28 (copper SPF) tob ES208GP port 8: This is between building connect cat 6a conduit 30m end-to-end, office to workshop....

HI, HW/Version above is for ES208GP The SG2428P has V4.0 & 4.0.26 Build 20260121 Rel.53429 OC SW Controller: 6.2.0.15(beta) The Uplink on SG2428P port 24: How ever on the ES208GP port 8: the LED...

is there an TP-Link upload site for large debug files for a support ticket?

@Ethan-TP The switches are fine (all power and net cables). The disconnect are nor related to physical stuff. Seems rather an issue of communications with the controller being lost. I got this...

@Ethan-TP Hi, This seems to getting worse today I have 2 switches disconnecting: also we don't get any IP from the router. the ER605 is now on daily reboot (4am). manually rebooting the switches fix...

@Ethan-TP Thank tou for questions. I have update that 2.3 firmware a while back (May). The migration for OC200 to Linux controller happedned in 14th August The disconnects started on 26th Aug. Reboot...