FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
Not applicable
Article Id 197211
Article
Errata Erratum regarding the allowable end points when configuring a VPN ping generator. 
Documentation Affected

FortiGate Administration Guides and online help, v2.80 MR11 and earlier.

Additional TextIt is possible to use the FortiGate unit address (one end of the end of the VPN tunnel) and another non-VPN tunnel address to keep the tunnel open. Doing so will only keep the tunnel open, and not allow you to troubleshoot network connectivity inside the VPN tunnel.
Release(d) DateThe new text is in FortiGate Administration Guides and online help v2.80 MR12.