@Vincent-TP 37. Added support for overriding default LAN DHCP settings during adoption in Network Config > Network Settings > LAN > Default. Does this mean that when adopting a router you can leave...

Yes it also happened with the other transceivers I tried (GLC-SX-MM-C); however, I didn't test them thoroughly unlike the TP Links. It was more of a quick sanity check.

@Ihor_2410 BUMP! Since Omada version 6 is about to come out and no interim updates have happened since this thread was created, can we look forward to V6 for the ER7212PC?

I marked a thread that I created as "Recommended Solution" after I found a work around. But the workaround does not solve the underlying issue though, the work-around is a just a crutch.Therefore I...

@Clive_A Yes correct. The Port LED goes dark and in Omada SDN, the switch status>Link status shows as "-". I meanwhile discovered another problem and a solution. Additional Problem: when a connected...

@AliReza_A update: the weird behavior continues, but at least there is hope: After trying again wih yet another port, the SFP transceiver showed up and I was able to use it as a LAN port as expected....