TFTP upload is possible but not via the OS with that image, it would
have to be via the BIOS, and would depend on if you have the correct
BIOS loaded as well. When the unit first boots do you see an output
like: FortiSwitch-448D-FPOE (15:55-10.25.201...
Try enabling "allow-subnet-overlap" in system.global: config sys
globalset allow-subnet-overlap enable end Be careful with it though,
it's not used often so there could be some problems running with
duplicate IPs.
That unit appears to not have the correct images on it, and will need to
be reprogrammed. Please contact your sales rep to have it RMA'd. Could
you also send me the serial number of the unit in a private message? I
would like to flag it so we can det...