Fortinet FortiGate 50A - Manual (Page 202)

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Monitoring and Troubleshooting VPNs IPSec VPN
Figure 28: Dialup Monitor
Testing a VPN
To confirm that a VPN between two networks has been configured correctly, use the
ping command from one internal network to connect to a computer on the other
internal network. The IPSec VPN tunnel starts automatically when the first data packet
destined for the VPN is intercepted by the FortiGate unit.
To confirm that a VPN between a network and one or more clients has been
configured correctly, start a VPN client and use the ping command to connect to a
computer on the internal network. The VPN tunnel initializes automatically when the
client makes a connection attempt. You can start the tunnel and test it at the same
time by pinging from the client to an address on the internal network.
Proxy ID Source The actual IP address or subnet address of the remote peer.
Proxy ID
Destination
The actual IP address or subnet address of the local peer.