vnstat data usage reporting inaccurate

Started by z0rk, February 07, 2024, 09:42:10 PM

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February 07, 2024, 09:42:10 PM Last Edit: February 08, 2024, 06:44:38 PM by z0rk
OPNsense 23.7.12_5-amd64

I have several interfaces but only WLAN WAN is selected in vnstat for usage reporting. It's consistently off by hundreds of GBs. My ISP enforces a data cap of ~1200GB, last month vnstat reported ~1790GB usage. I did not exceed my ISP's data cap.
Any suggestions? Thank you
OPNsense 24.7.2