Nothing really to change other then would have to replace old isp
router/modem with new isp modem. If you don't use a static ip then that
should be the only change as the primary google wifi device will act as
router- be sure new isp modem is set to ...
im using google wifi with a hitron CODA cable modem, and works- but i
seem to only get half my netwok speeds when connecting to the main
google point. full when connected right to the modem