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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 = 1.1.1.33 Inte...