I have a network with 7 eeros. The data used by the “eero Devices” is reported as almost 2 GB per day! This seems unusually high for the eero routers alone. Of the 7 about 500 MB per day is reportedly used by the gateway eero, and close to 250 MB per day by each of the other eero routers. 

I suspect they are not actually using that much data, but are reporting incorrectly. I think this is the case because I also get daily data usage logs from my ISP, and the total used each day is less than my eero system is reporting. If I subtract the high amount reported by the eero routers then my daily totals line up well between the eero and ISP reports. The reported data used by my other devices seems accurate.

Anyone else seeing this or have any ideas?