In this case, you would have to configure a tunnel between the ISP's modem and the MX, and since it is a home network, I don't believe that all ISPs will allow you to configure this. https://documentation.meraki.com/MX/Site-to-site_VPN/Site-to-Site_VPN_Settings#Non-Meraki_VPN_Peers Another option would be to create an inbound NAT on the MX for your Alcatel's IP, but I personally think this is insecure, since you would have to open it to any source since you are using dynamic IPs. https://documentation.meraki.com/MX/NAT_and_Port_Forwarding/Port_Forwarding_and_NAT_Rules_on_the_MX The best way I see is if you could make an MX available for each location and then work with Meraki's Auto VPN. https://documentation.meraki.com/MX/Site-to-site_VPN/Meraki_Auto_VPN_-_Configuration_and_Troubleshooting
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