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SD-WAN Diagnostics

FortiOS v6.0.x

(2022-06-17) Problem SD-WAN no workie. Solution You can probably figure out information from some...

Updated 8 months ago by david

FortiClient Error Codes

FortiOS v6.2.x

(2020-03-24) Problem What does this error code that FortiClient SSLVPN is giving me? Solution If ...

Updated 8 months ago by david

Device Table Size Maximum

FortiOS v6.4.x

(2023-02-21) How many can I define? On the device in question: fgt300d-a # print tablesize syste...

Updated 8 months ago by david

Device-Local Certificate Expired

FortiOS v6.4.x

(2024-02-08) Problem The local, internally generated certificate that the Fortigate presents for ...

Updated 8 months ago by david

VPN Tunnel Interface Address

FortiOS v6.0.x

(2020-01-11) Problem If you try to put an IP address on a VPN tunnel interface, the minimum netma...

Updated 8 months ago by david

Forticlient Registering To Fortigate

FortiOS v5.4.x

(2018-02-02) Problem My FortiClient users are getting prompted to "register" their FortiClients a...

Updated 8 months ago by david

HA Cluster Member Firmware Revisions

FortiOS v5.0.x

(2014-11-20) Verify the firmware versions of cluster members:         fw-ottawa-A # get syste...

Updated 8 months ago by david

DHCP and PPPoE

FortiOS v5.0.x

Problem:        Cannot set mode to DHCP or PPPoE when HA is on. It doesn't work. Note: this is ...

Updated 8 months ago by david

arp

FortiOS v5.0.x

(2015-04-20) Show the arp table: # get system arp

Updated 8 months ago by david

crashlog

FortiOS v5.0.x

(2015-04-22) List the firewall's internal crashlog: # di de crashlog read

Updated 8 months ago by david

DHCP Reservation

FortiOS v5.0.x

(2015-01-29) Warning: this method does not work in 5.2 (and presumably higher). config system dhc...

Updated 8 months ago by david

Reset to Factory Defaults

FortiOS v5.0.x

(2013-08-28) Reset To Factory Defaults You have two minutes from power reset to perform this task...

Updated 8 months ago by david

Interface Duplex

FortiOS v5.0.x

(2013-12-17) Problem Need to force speed/duplex on a physical interface. Solution There's no GUI ...

Updated 8 months ago by david

Interface Mode

FortiOS v5.0.x

(2014-06-24) To set interface mode: make sure the default Internal interface has no DHCP server ...

Updated 8 months ago by david

Packet Capture

FortiOS v5.0.x

(2013-07-18) Show information of packets seen on an interface: # diag sniffer packet internal non...

Updated 8 months ago by david

Radius Server Definition

FortiOS v5.0.x

(2014-06-14) On the smaller FortiGates, the GUI doesn't include the ability to define Radius serv...

Updated 8 months ago by david

Routing Table

FortiOS v5.0.x

(2013-08-26) Display the routing table: # get router info routing-table all

Updated 8 months ago by david

Syslog

FortiOS v5.0.x

(2014-08-22) To enable logging to a syslog server: config log syslogd setting set status enab...

Updated 8 months ago by david

Test Authentication Servers

FortiOS v5.0.x

Testing authentication These cli commands can help you test your radius or ldap server: # diag te...

Updated 8 months ago by david

Backup ISP with some traffic selection

FortiOS v5.0.x

(2013-08-26) Problem: My scenario is that I have a FortiGate 60D with two ISPs: a static DSL, and...

Updated 8 months ago by david