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(Sorry, zu früh, um mein Deutsch heute Morgen zu testen, haha)
Interesting that you have a NAT. I have IPsec site-to-site setup as well and I didn't use any NAT and can connect to either side just fine. Have you tried without the NAT?
OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
(Former Sophos UTM Veteran, Former XG Rookie)
Site-to-site is not a problem if both sites have different internal networks.
Here, however, both sites have the same internal network.
Therefore, fake networks were created for the IPsec.
For this then the NAT, see linked instructions.
But still it does not work...
Site-to-site is not a problem if both sites have different internal networks.
Here, however, both sites have the same internal network.
Therefore, fake networks were created for the IPsec.
For this then the NAT, see linked instructions.
But still it does not work...
Did you try unchecking the 'Automatic Firewall rule'? I seem to remember this being an issue on something I recently read about site-to-site.
OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
(Former Sophos UTM Veteran, Former XG Rookie)