Similar issue here. I have background in computing and networking, and I know my networking monitoring is about as accurate as it can get. Comcast's usage is reporting almost double what my router's traffic monitor is showing. It would be nice if comcast could provide some kind of transparency so I can figure out why their data usage meter and my own are not reporting consistent numbers...
My network is setup as followed. Coaxial Cable Line => Modem (SB6141, which I own) => ASUS RT-68U Router with DD-WRT installed => All connected devices
I have Yamon installed on the router and it is logging every single device that is transferring bytes over the network, and here is a screenshot of my monthly usage report broken down by device. Yamon also has daily/hourly breakdowns and the data being reporting is accurate based on what I know people were doing on the internet at specific times in our apartment.
I wouldn't be concerned if it were at least somewhat close, even within a few gigs of what my router was showing, but Comcast is reporting 56GB of usage for my only registered modem on the account:
Is there anyway to get some kind of transparency as to why almost double the amount of data usage is being reported bv Xfinity's meter?
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