With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fgAppP2PProtoTable
fg App P2 P Protocol Table
1.3.6.1.4.1.12356.101.10.109.2
A table of peer to peer statistics per virtual domain per protocol. This table has a dependent expansion relationship with fgVdTable.
Back to FORTINET-FORTIGATE-MIB MIB page.
IPHost Network monitor allows you to monitor fgAppP2PProtoTable 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.