Siemens SCALANCE M-800 Series Getting Started page 155

6. For this configuration example, configure the group properties with the following settings.
If you use different parameter settings, it is possible that the two tunnel partners will not
be able to set up a VPN connection between them.
7. Save the project with the "Project" > "Save" menu command.
Result
The configuration of the tunnel connection is complete. The settings are saved in the
configuration file.
SCALANCE M-800 Getting Started
Getting Started, 06/2015, C79000-G8976-C337-04
VPN tunnel between SCALANCE M-800 and security CPs
4.2 Secure VPN tunnel with PSK
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