losing internet connection after a few days after using opnsens

[Djazeiry]

hello guys , i'm new to opnsense and advanced networking , where i am i started by using opensens after insatlling it on a physical machine and made it as my DHCP Server , everything works fine for a few days and then suddenly i lose the internet connection on the network , my network  structure is explained on the joined image ,  my firewall configuration is by default didn't touch anything

network structure :

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[nero355]

everything works fine for a few days and then suddenly i lose the internet connection on the network

What are your hardware specifications ?!

And are you 100% sure it's not the Ubiquiti Wireless Bridge having issues for whatever reason ?!

[stanps]

Are you sure you're losing internet access, and it's not just DNS failing?

I ask because I noticed that after 5 to 8 days, and it ended up being Unbound needing to be restarted.  Which btw, didn't work properly once Unbound was in a bad state.  So I set up a cron job to restart Unbound every 5 days or so.

Just a thought....hope it helps.

-S