I don't think there is any push from meraki to use the IoT sensors in the 9166 as they already have their own IoT sensors available. You will never need more than 1 Gbps over the Ethernet connection unless you're planning on running 160/320 MHz wide channels (which you never will in an enterprise environment).  ... View more

We tried inserting a C9300-NM-8X into MS390-24U, but is not coming online. We thought they were compatible, but I guess not ... View more