Why would you want to place device in L2FB?
- You need to apply a critical Digital Vaccine (DV) update or policy distribution as absolutely fast as possible and want to eliminate any latency caused by the device.
- You are experiencing a network problem and want to eliminate the device as the source.
What does L2FB do? L2FB bridges the two ports for a given segment so that traffic coming into the device immediately goes back out without going through hardware or software inspection.
To place the device into L2FB from the CLI, issue the following command: high-availability force fallback
To place the device back into a normal operation, issue the following command: high-availability force normal