ZyXEL Communications VPN Series Handbook page 181

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Test the IPSec VPN Tunnel
Go to ZyWALL/USG CONFIGURATION > VPN > IPSec VPN > VPN Connection, click
Connect on the upper bar. The Status connect icon is lit when the interface is
connected.
CONFIGURATION > VPN > IPSec VPN > VPN Connection
Go to ZyWALL/USG MONITOR > VPN Monitor > IPSec and verify the tunnel Up Time
and Inbound(Bytes)/Outbound(Bytes) traffic.
MONITOR > VPN Monitor > IPSec
Go to FortiGate VPN > Monitor > IPsec Monitor and check the tunnel Status is up
and Incoming Data/Outgoing Data traffic.
VPN > Monitor > IPsec Monitor
To test whether or not a tunnel is working, ping from a computer at one site to a
computer at the other. Ensure that both computers have Internet access (via the
IPSec devices).
PC behind ZyWALL/USG > Window 7 > cmd > ping 192.168.2.33
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