Can confirm, the limit is now 50

They are separate. Go can only be managed via the Meraki Go app and has a more limited set of features compared to the MX64.

Hello DarklightRanger,The Umbrella security subscription is DNS based, so requires the Cisco Umbrella DNS to be used. Lee

Yes it is possible. After setting up a network/SSID, select it from the networks tab. You then go to Settings>Advanced Settings>Radio Settings, you can configure the network to run in dual mode, 5GHz only or 2.4 GHz only.

Hi Macsolutions,Could you please reach out to support via the app. They'll be able to check whether the port forwarding rules are being applied correctly. Lee