Is it possible these numbers are for both interfaces on the pfSense box? If
so, do they include both inbound and outbound traffic for both? That would
effectively double the true data transfer if traffic isn't being routed
between other subnets / interfaces on the firewall.  I don't have RRD loaded
so this is strictly speculation on a possible cause.

-----Original Message-----
From: List [] On Behalf Of Chuck
Sent: Wednesday, May 23, 2018 1:57 PM
Subject: [pfSense] Bandwidth Mismatch between pfSense and Data Center

We've run into a data overage situation at a datacenter... We get charged a
premium per GB over 500GB (yes I know, stupid). Their reporting system seems
to indicate significantly less data usages vs pfSense's RRD reporting...
their billing system seems to be indicating overage similar to their
reporting... Uploads seem to be growing significantly. Any idea why the
pfSense box seems to be counting differently than the datacenter's metrics?
We need to track down where this usage is happened, but I know users have
only grown ~5% over that same period of time.

Here are stats for each month:

January                                February
March                                   April
May (to 23rd)
Datacenter (Upload/Download):               618.95GB/76.01GB
365.25/47.15GB                799.92/79.81GB                801.67/105.01GB
pfSense RRD (Upload/Download):            1372.41GiB/148.91GiB
1388.65/149.60GiB           1697.71/152.24GiB
1706.53/200.86GiB           1177.95/139.55GiB

Any suggestions how or why there is a mismatch?


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