With IPHost Network Monitor you can run simple snmp requests against a Fortinet device in your network.
fgVpnTrapRemoteGateway
fg Vpn Trap Remote Gateway
1.3.6.1.4.1.12356.101.12.3.3
Remote gateway IP address. Used in VPN related traps.
Back to FORTINET-FORTIGATE-MIB MIB page.
IPHost Network monitor allows you to monitor fgVpnTrapRemoteGateway on Fortinet device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Fortinet switches right now.