Browsing All Posts filed under »Troubleshooting«

CRC Error on Fortigate

June 30, 2012


Sometimes the Fortigate devices has problem and they do not want to boot anymore (my experience is 2 from about 50 Boxes). Sometimes we have to buy a new one, but in this case I mention we should not. The message crc error is a problem that we can solve alone. Official link for RIM: […]

The dhcpc process on Fortigate

June 6, 2012


Just a little bit zoom in a dhcp traffic, too see how it really works in the background. It is a memory Post of an old story at Cisco TAC: I had a big problem with the DHCP Client on a PIX Firewall and at the end I managed to prove it that this was […]

Debugging Fortigate VPNs

March 22, 2012


In the following post I will do some “research” on VPN debugs in Fortigate. It may usefull for those who has basic Foritgate VPN problems or the peer Fortigate has a Problem. Debugging should be usefull for troubleshooting, but should not only be used for troubleshooting. It should be used to understand and see how […]

Fortigate troubleshooting commands

July 18, 2011


With my requirements for any networking layer 3 device I collected the basic commands that we have to know or you will not be able to manage your fortigate. Okay, okay this is a bullshit, I just update this page since it is the number one post on my site.. :-) 1.0 Check the basic […]