@doremifajb Whole lotta questions in there :) Ok. Since you seem to have a mission critical system AND you are running your controller on a Pi I'm going to suggest you basically start from scratch...

https://www.tp-link.com/ca/business-networking/soho-switch-poe/tl-sg105pp-m2/ is POE+ AND 2.5Gbps. It makes a good POE port expander but is not manageable by Omada...in fact there is no manageable...

@backf1sh 12VDC, 2A (24W) with what looks like a 2.5mm? center positive plug. Unless you are meshing these and don't have cabling, I would strongly recommend you consider POE+ via something like the...

@d0ugmac1 Sorry Hank, I might be chasing ghosts. It looks like only the router WAN and all switch ports get labelled. No router/gateway LAN ports are labelled...is this by design?

@Clive_A HI Clive, here's one for your attention.

@mati2762 If you downgrade does your old password start working again? I believe TPlink has modified recent code to change the not-so-secret password hash previously used for root access.