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hello guys , after more testing and diagnotics we found out that the isp Modem is the issue it couldn't handle my network requests because is not on my site i can't access it and make as a bridge , i hope this will help , thank you for your help guys

4 miles on limited power of wifi, on flat ribbon antenna?
A well tuned yagi probably will struggle. Do those wifi devices provide dBm info (Tx and Rx), I am curious what level the signal is at.

But using that diagram, my guess, an ARP issue is presenting itself. When the problem happens does the ARP tables look ok?

Is that bridge doing actual bridging or proxy-ARP'ing ?

i will put the screenshots later

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

after diagnosing with a friend of mine , and fixing the DNS at 8.8.8.8 on one of the pc's i guess as you said it's a DNS issue , now what i have done ,  i put the primary DNS to 192.168.100.1 (the ip of the isp modem) on the Dlink the 192.168.0.1 above and on the ubiquity antennas 192.168.0.250 and 192.168.0.251
and int eh opnsens  System ‣ Settings ‣ General i put the address of the ISP modem too as the dns server 192.168.100.1 with the gateway selected , and i left the "Allow DNS server list to be overridden by DHCP/PPP on WAN" checked , and Unbound DNS checked , where could be the issue ? please almost a monthe and a half with that problem

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

after diagnosting with a friend of mine , and fixing the DNS at 8.8.8.8 on one of the pc's i guess as you said it's a DNS issue , now what i have done ,  i put the primary DNS to 192.168.100.1 (the isp modem) on the Dlink the 192.168.0.1 above and in the two antennas 192.168.0.250 and 192.168.0.251

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 ?!

Thanks for your answer , nope there is no issues when put back a tenda "simple" internet stay vonnected and everything works normally for days , and when i put back the opensns backup file ...it work normally for two weeks and then it won't resolve any domaine name

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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