Meraki Access Point MAC Filtering

[Inflow1]

How to do MAC filtering in Meraki AP without Radius Server ?

[ww]

You can block all traffic on a ssid using the ssid firewall. Then whitelist or attach a group policy  to the client.

https://community.meraki.com/t5/Wireless-LAN/MAC-filtering-on-wireless/m-p/74384

[PhilipDAth]

You could also consider using IPSK.

https://documentation.meraki.com/MR/Encryption_and_Authentication/IPSK_Authentication_without_RADIUS