Hello Artillerystudio,   Unless you have a valid license for the device you will not be able to use it.   If you do, claim the MX in your meraki dashboard.   Then what I would do is disable the built in WiFi on the providers modem and just use it for it's modem functionality. Then put a patch cable between the WAN port of the MX and one of the LAN ports on the providers modem. You can then start configuring it.   Check youtube for lots of tutorials on all subject Meraki: https://www.youtube.com/user/milesmeraki   This one's probably a good start: https://www.youtube.com/watch?v=bwEa62xwxjE   Kind regards, Brecht. ... View more