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Is it possible to measure network traffic (per month, per WAN, per direction) with pfSense/freeBSD?

There are following programs listed https://doc.pfsense.org/index.php/How_can_I_monitor_bandwidth_usage but neither seems to work normally for me. For example, ntopng shows only current flow while BandwidthD can monitor only one interface.

Shame to say, but I still don't know how many bytes I spent with each provider.

I have pfsense installed on my router computer. pfsense is based of freebsd.

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Install the "vnstat2" package under System/Packages. Then go to Status/Vnstat2. The summary tab will show you information like:

 rx / tx / total / estimated em1: Jun '15 64.34 GiB / 10.39 GiB / 74.73 GiB / 98.00 GiB yesterday 5.30 GiB / 373.42 MiB / 5.66 GiB today 2.90 GiB / 197.29 MiB / 3.09 GiB / 3.52 GiB

You can also use "vnstat -i em1 -m" to get monthly stats for a particular interface.

(vnstat is also available for Linux, which is where I learned of it)

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SNMP (Simple Network Management Protocol) is one typical way to measure network traffic. This page documents some of the aspects of using SNMP in conjunction with pfSense.

I'm actually using the bsnmpget component of FreeBSD's bsnmpd SNMP implementation in this example, but most any SNMP suite will permit you to do things like:

$ # query the number of interfaces present: $ bsnmpget ifNumber.0 ifNumber.0 = 6 $ for iface in $(jot $(bsnmpget -o quiet ifNumber.0)) do bsnmpget ifName[$iface] bsnmpget ifInOctets[$iface] bsnmpget ifOutOctets[$iface] printf -- '--\n' done ifName[1] = em0 ifInOctets[1] = 1430450040 ifOutOctets[1] = 2237124338 -- ifName[2] = lo0 ifInOctets[2] = 46500610 ifOutOctets[2] = 46500610 -- ifName[3] = public ifInOctets[3] = 1407864504 ifOutOctets[3] = 2237124186 -- ifName[4] = vlan1 ifInOctets[4] = 6933941 ifOutOctets[4] = 0 -- ifName[5] = vlan3 ifInOctets[5] = 5776832 ifOutOctets[5] = 152 -- ifName[6] = vm-public ifInOctets[6] = 714355313 ifOutOctets[6] = 0 --
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