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I have a RUT240 LTE (FIRMWARE RUT2XX_R_00.01.12.2) that is used for controling 2 wifi power sockets (D-Link DSP-W118). The device was configured and data usage of the 2 devices was monitored over a period of few weeks. Then the device and the sockets where deployed.

During the first month the data usage was as expected. A few megabytes per month, since the sockets where hardly used.

Then in September 2020 the RMS portal reported a total of 6 Gigabytes data transfer. The data usage was evenly spread, from 8pm to 12pm every day (around 200mb daily, 100up/100down) 200x30=6000MB

The strange thing about this is:

1. The router itself still shows a few megabytes of use

2. The router has a monthly data cap of 1900MB configured

3. The internet provider has not charged me for the extra data (above the 2GB)

The chance that a rogue client has been using the wifi is extremely improbable (the wifi is hidden, the wifi has mac address filtering enabled for the 2 devices, the device is in a very remote location)

Is this a bug on the RMS portal? Am i missing something?

Data Usage reported by the router. The statistics havent been resetted and include the testing period (data spike on the period start)

https://i.postimg.cc/5NdfMpvq/screenshot-139.png

Data limit configured in Router. Limit has never been reset

https://i.postimg.cc/bwLPkh53/screenshot-139.png

Data usage reported by teltonika RMS for the same period. Notice the repeated data usage, begining September 8

https://i.postimg.cc/PJmsxsZb/screenshot-139.png

Anyone has any theories as to what has happened? For now i have turned off the wifi interface to see if the data usage reported by RMS will drop

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Hello,

Right now there is an issue in the RMS system regarding data usage and it plagues a lot of users. The issue is known to our RnD team and they are trying to solve it as we speak. It could take a few days or more to fix it. We are very sorry for any inconvenience.

Best regards.
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Thank you for clarifying this. I almost got a heart attack when i saw the data usage.
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It's Feb 2021 and we have the same issue.  Spent HOURS troubleshooting, restricting downloads on the device, accusing users of various nefarious activities, etc.  Suggest you treat this fix as a matter of high priority, as I would suggest it is a basic reporting requirement of ANY mobile device management dashboard.