With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fgVpnDialupIndex
fg Vpn Dialup Index
1.3.6.1.4.1.12356.101.12.2.1.1.1
An index value that uniquely identifies an VPN dial-up peer within the fgVpnDialupTable
Back to FORTINET-FORTIGATE-MIB MIB page.
IPHost Network monitor allows you to monitor fgVpnDialupIndex on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet access points right now.