A few days ago we did an upgrade to version 6.4.11 for a fortigate 300D (the original version was 6.0.10).
After this upgrade everything worked fine except for 1 port (SFP) which was not lifting, we tried to change the cable but it still didn't work.
We have to do a hardware test to see if the physical port stopped working following this guide that forti gave us:
In this guide they indicate that to perform this test you have to rewire and connect several ethernet cables between the ports, in our case we don't have 8 ethernet ports to connect them together, I would like to know if this rewiring is necessary to perform this test.
The forti 300D has 2 MGMT ports, 4 ethernet ports and 4 sfp ports.