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SIMATIC customers have free use of the application tips. These tips are only a general approach to using SIMATIC with various applications. Your
specific application may be different. It is your responsibility to use SIMATIC properly in your applications.
Step 39 – Modifiy IPsec VPN Properties
Make sure “SA lifetime” for both “phase 1” and “phase 2” is set to 1440 or the connection will not
work. Press “OK” and then save the project.
Step 40 – Transfer Certificates to files
Highlight both the “m875demo” and “computer” certificates and then right mouse click and
“Transfer to module(s)”. You do not need to be online with the M875, this is used only to create
the certificate files.
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