Solved
FG Firewall Transparent Mode L2 Loops
I have a firewall configured on Transparent mode (two interfaces, inside and outside). Also I have a MGMT interface connected to the same vlan. In this case can it form L2 Loops? What is best practice?
Yes, it is possible if the MGMT interface and the other interfaces are all in the same VLAN and there are no loop prevention mechanisms in place.
Multiple switches or network devices connecting to the same VLAN without spanning tree or loop mitigation can cause Layer 2 loops.
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