I'd like to set up an OpenVPN site-to-site VPN between two ER605s. My server ER605 has a dynamic IP (outside of my control) with DDNS configured. I can modify the .ovpn file to replace the IP address

I have an IPSec IKEv2 LAN-LAN VPN configured on my ER605 (initiator). It functions as expected, and I'm able to bi-directionally access devices on each side of the VPN. On my Initiator side, I'd like