With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fgAvOversizedDetected
fg Av Oversized Detected
1.3.6.1.4.1.12356.101.8.2.1.1.17
Number of over-sized file transmissions detected in the virtual domain since start-up
Back to FORTINET-FORTIGATE-MIB MIB page.
IPHost Network monitor allows you to monitor fgAvOversizedDetected on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet WAN extenders right now.