kindly we have 2 2960x switch stacked and we have 1 fortigate 60D mode hardware switch and this fortigate don't support Link aggregation and we need to connect with fortigate by 2 uplink 1 from each edge switch and when we do this we create a loop because this model don't support STP and work as a hub . what we can to do to connect with this forte be 2 links and dont create loop and we need only one port active and another port block by STP
