Xfinity reports MUCH less data usage than Firewalla

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Jonathan Burnett

• May 22, 2024 06:10
• Edited

Presently Firewalla says I’ve used 1.08TB but Xfinity says I’ve only used 626GB. Yes I have Firewalla configured properly for monthly reset date so what can explain this HUGE difference?

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  Firewalla

  • May 22, 2024 18:00

  Do you have any video streaming services from xfinity? I am wondering if xfinity count that as part of your limit.

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  Jonathan Burnett

  • May 22, 2024 18:20

  I don't have any streaming service other than the "free" Peacock they give me but that I don't use.  I do stream a lot via my Apple TV, but a lot is only being reported by the Firewalla as about 5GB per day.

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  Firewalla

  • May 22, 2024 19:36

  Do you have another WAN? are you streaming anything via apple TV that xifnity may give you as free?

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  Jonathan Burnett

  • May 23, 2024 03:16

  Not that I'm aware of but consider the math.  Xfinity is saying I've used only 626GB and Firewalla says it's 1.08TB.  The Apple TV is only consuming about 5GB/day, so a full month would only be 150 GB or so.  Right now Firewalla is saying I've used nearly 50% more than what Xfinity is saying.  What might the Firewalla be counting that Xfinity doesn't?

   

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  Support

  • May 23, 2024 08:41

  Are there any VLANs configured on the WAN port? Data usage in Firewalla counts the total received and transmitted bytes on the WAN port. If the WAN port is used in another VLAN, the accounting may be inaccurate.

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  Jonathan Burnett

  • May 23, 2024 16:37

  No VLANs.  I suppose Xfinity could just be bad at counting but since they derive revenue from that, I would expect them to do that pretty well.  What I don't know is whether Xfinity only counts DOWNLOADS whereas Firewalla is counting both UP and DOWN traffic.  Still, the accounting is off by 50% and my upload counts can't possibly be as high as my downloads (I'm not serving data anywhere).

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  Firewalla

  • May 23, 2024 17:22

  I created a ticket for you, and will have our developers look at this from inside the box 

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