Setup:
Cable Modem in bridge mode
Zyxel USG40 FW4.15 as Firewall
Client in local network with IPSecuritas as VPN client
FritzBox 7490 at remote place
Problem:
Since setting the Cable Modem (Connect Box from UPC.CH) in bridge mode IPv4 AND integrating Zyxel USG40 as Firewall, I'm no more able to access the FritzBox over VPN mit my Mac Computers through IPSecuritas.
Before that change, as the Cable Modem was in Routing Mode and NO Zyxel USG40 was in use, I was able to setup a stable VPN connection.
My guess is that it has something to do with a VPN pass through thing, but I don't know how to configure that in the Zyxel USG40.
Specially as I also would like to setup a own VPN setting to get access to my own Network over a VPN Connection on my Zyxel USG40.
Are there any guides or step-by-step explanations how to achieve that?
Thank you in advance for anyones help and suggestions.
Regards
Thomas
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