Hi @Hank21 These have been the first attempts of trying to update the firmware since the AP has been put into service. Mainly because the previous controller Omada OC200 firmware had been upgraded to...

@Hank21 Well, I've tried everything. From resetting to putting in stand alone.It just won't take the firmware. I've tried even loading earlier versions. In standalone mode it just comes back with bad...

Re: EAP225(US) v3.0. Unable to upgrade firm through Omada OC200 v6 controller. It is connect via mesh through EAP620 HD(US) v2.0. Any advice would be appreciated. Thank you. G.

@Clive_A as I said above, after replacing the ER605 V1 with the ER7412-M2 that upgrade went well with the existing equipment and switches. I might just try a ER605 V2 for this new build out and scrap...

@Clive_A After reading through the thread in the link you posted, it does look like exactly the same problem. So, really the only work-around I know is to add a SG2008P switch. As I explained...

@MR.S yes I have done that. As I had explained. I had VLAN 10 passing out leases to the Linux box in standalone. And I have no other switches attached.