Hi Robin
I just checked everithing at home and I have the following Seetings.
To my Internet Provider I have a XDSL ROuter with Firewall. on this I added a Portforwarding to the Meraki WAN IP Adress for:
sorry it is german 🙂 in fact the UPD Port 500 and 4500 are forwardet to the IP Adress of the MX WAN. qitch in my case is 192.168.1.101 as the network between the Internet Router and the MX is 192.168.1.0. Behind the MX also LAN site I have 192.168.4.0.
I point my MAC VPN Setting to the Public IP or DNS from the Internet Router witch is shown in the Dashboard of the MX as Public Name or IP.
The Client VPN Settings of the MX are the following:
This is plan helps perhaps to understand.
I hope this helps.
Regards Michel