DescriptionThere have been reports of instability when using a Verizon
Pantech UML290 3G/4G modem with a FortiGate. The modem sometimes
disconnects and reconnects on its own. SolutionThe problem is caused by
the modem switching randomly from 3G to 4G...
Description Topology Fortigate A -------Fortigate B -------ISP1 --> ISP2
-----ISP (N) --------Fortiguard Server Problem FortiGate A and B are in
NAT mode. FortiGate B has no problem communicating with the Fortiguard
Web filter server in Port 53 or Po...
DescriptionA USB key can be used to upgrade or restore the configuration
of a FortiGate. The procedure is as follows: Save the new firmware on a
USB key. On the FortiGate GUI, go to System > Maintenance > Advanced >
USB auto-install > Check “On syste...
DescriptionWhen 2 FortiGates are in HA Cluster, the “boot alternative
firmware” option is not available via the GUI. To be able to use the
“boot alternate firmware” option, it is necessary to break the HA
Cluster (For example shutdown the Slave Forti...
DescriptionScenario: Multiple connections with multiple ISPs, policy
routes are configured to route particular hosts/subnets on internal
network to a certain ISP connection (port1, 2) Virtual IP: 1) SMTP
Server 10.10.10.33 External IP = 220.127.116.11 Inte...