Try uninstalling latest windows update most of the time Windows release patch update that screws L2TP connection.  ... View more

@BFrança,   The MT12 only comes with one 8ft cable, however a second cable can be purchased and added to extend the cable length to 16ft.   Here's a link to the additional cable on the Meraki website: https://meraki.cisco.com/product/sensors/sensors-accessories/water-leak-detection-cable/ ... View more

@BFrança,   You can find a complete list of compatible MR and MV gateways in the MT FAQ documentation: https://documentation.meraki.com/MT/MT_Frequently_Asked_Questions ... View more

Thanks for everyone's quick return. There must have been some mistake in the information given by the instructor. Thanks. ... View more

In that case your best bet is to probably just perform a hardware reset on the device to 'shake it loose' from any issues it might have. Take care! ... View more

Devices often only emit a "bleep" every 10 minutes when they are asleep.  If you reduced the granularity down to an hour there wouldn't be enough data points to draw any usefull information. ... View more