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I have heard some others on the form having issues with the NIC disconnecting occasionally, and that sounds like what may be happening with your system. OPNsense and other systems built on the same base have issues with NICs that are not intel based from what I can tell. A cheap-ish troubleshooting suggestion would be to get a second hand PCIE intel network card and see if that does away with the problem.

I have a PCI e network card with a Intel 82575 NIC that I am planning to run the networking through, I am hoping that will preemptively solve the issue.

I used it for a month, it worked for a week and then had to be restarted. I found that the network card was disconnecting (Realtek network card). I tried other drivers but the problem persisted. I have now switched to another solution with Intel NICs.

Did you switch systems entirely, or switch the NIC the networking was running through?

I am wondering if anyone has experience using Zimaboards to run OPN sense as a home router. From what I can tell with the hardware specs seem more than capable to handle my application of OPN sense, but the NIC is giving me the slightest hesitation. If you have any experience or advice I welcome it all, I am admittedly new to the world of networking.

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