Combining OpenVPN with IPSec: Pointer or Hint needed

Started by AndreasMpunkt, February 03, 2022, 09:58:41 AM

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Hi all,

I searched, I read, I tried, but couldn't get it work. So, I really hope someone can give me at least a pointer to documentation or can enable me or clearify a misunderstanding on my side.

I have a opnsense box with a internal network attached.

192.168.10.1 (opnsense) (internal Network)
some-IP (Internet) (Default Gateway)

I have configured OpenVPN, so that Users can connect from Internet: They get adresses from 172.16.0.0/16
I have also configured a IPSec-Tunnel to a site having net: 172.22.0.0/16

OpenVPN-Users can reach all internal IP-Adresses (192.168.10.0/24)
Internal-Users can reach all IP of IPSec partner) 172.22.0.0/16

What do I have to do if I would like to give the OpenVPN users access to the network of the IPSec tunnel?
(172.16.0.0/16 <=> 172.22.0.0/16)

Any hints really appreciated.

Best regards
Andreas