is a very powerful filter functionality which will be described in more detail. means the level of verbosity as described already. can be an Interface name or 'any' for all Interfaces.

This article walks through some examples and different levels of verbosity to show the different possibilities for debugging. Verbose 4, 5 and 6 would additionally provide the interface detailsĢ: print header and data from IP of packetsģ: print header and data from Ethernet of packetsĤ: print header of packets with interface nameĥ: print header and data from IP of packets with interface nameĦ: print header and data from Ethernet of packets with interface name There are 3 different Level of Information, also known as Verbose Levels 1 to 3, where verbose 1 shows less information and verbose 3 shows the most information. The packet sniffer 'sits' in the FortiGate and can sniff traffic on a specific Interface or on all Interfaces. Note : Other Fortinet appliances also providing a CLI sniffer : FortiAnalyzer - FortiMail - FortiManager See the related article 'Packet capture (sniffer) tips' for additional sniffer tips. If you know tcpdump you should feel comfortable using the FortiGate Sniffer.

All FortiGate units have a powerful packet sniffer on board.

Fortigate packet capture wireshark