Yes, the MX appliances support captive portal splash pages, https://documentation.meraki.com/MX/Access_Control_and_Splash_Page/Access_Control as well as 802.1X access policies https://documentation.meraki.com/MX/Access_Control_and_Splash_Page/Access_Control and there is a short page on the wireless settings here https://documentation.meraki.com/MX/Wireless/MX_and_Z-Series_Wireless_Settings
... View more
