Are you a Google GSuite customer and have Google MFA integrated into that?  If so, you may be able to use Cisco AnyConnect in SAML mode to Google GSuite. https://documentation.meraki.com/MX/AnyConnect_on_the_MX_Appliance/Authentication    Otherwise, no.  I am not aware of anything else that can use Google Authenticator.   I use Cisco Duo for most of my customers (with SAML ideally). ... View more