Hi, I'm having the same issue on my network. I have a PFSense 2.1.5 (on our company HQ) acting as OpenVPN Server and RB750 (on Branches) running RouteOS 6.17 as a OpenVPN Cliente. My goal is connect HQ and Branch LANs but as I can't do a ping from LAN to LAN. Here is our network architecture _______...

Hi,

To solve this problem You should select point-to-point network type on the Mikortik's ospf interface configuration.

Best regards,
Rod Barbosa