Two WLAN with limitation of the usable data volume on Unifi AC Mesh

Installing and Using OpenWrt
1

Hello,
I am a newcomer to OpenWRT.
I bought a Unifi AC mesh to use it behind a Vodafone GigaCube (Huawei B528s-23a) as a WLAN access point. OpenWRT is installed on the router.
My question:
Is there a solution to run two WLANs on the Unifi AC mesh that either have a data volume limit (to fairly divide the available data volume per month) and/or at least have a GUI that can be accessed without an extra password and displays the data volume used?
I know the solution with main and guest WLAN. What matters to me, however, is the limitation/overview of the data volume used on each WLAN. I want to use the 2.5 and 5 GHz band and also IPV4 and IPV6.
All solutions with an extra web server/database are too complicated for me.

Thanks for the answers,
PilotPirx

2

There's luci-app-vnstat and luci-app-nlbwmon and luci-app-statistics.

I think the first one, or the last one would work for your use case.

... data volume limit...

Not sure about enforcement, there's probably a cron solution.

... and/or at least have a GUI that can be accessed without an extra password and displays the data volume used?

There's this thing about removing the password from a luci page: https://openwrt.org/docs/guide-user/luci/statistics.chart.public

3

Thank you for your answer. I#ll try it.