I accidentally connected the Internal hardware switch interface cable
from a FGT-30E to a FortiSwitch console port, FortiLinked downstream by
another FGT-61E. Data is passing fine through the switch, even a
connected FortiAP shows online. However, th...
Problem solved. I didn’t have NTP server enabled and listening on
FortiLink interface. After enabling that, FortiLink is up again. I think
the switch got fooled by the 30E I connected.