https://documentation.meraki.com/MX/Networks_and_Routing/Passthrough_Mode_on_the_MX_Security_Appliance_and_Z-series_Teleworker_Gateway   "VLANs cannot be configured. The MX/Z1 will act as a bridge between the Internet and LAN ports"   "Tag the IP address configured on the WAN interface of the MXs in passthrough mode with the appropriate VLAN ID if the upstream port is expecting only tagged traffic." ... View more

Yeah. This is nice feature to have if you have few (~20-50) vlans to manage but if you have more than 200 and its in rapidly changing environment (lab) this feature feels like unnecessary hiccup. Would be nice if it can be turn 'off' even if its 'on' by default.   ... View more

Congratulation - well done! ... View more