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Hardware: Lenovo M900 mini PC 16 GB RAM | LAN interface- em0- Intel(R) I219-LM SPT-H(2) | WAN interface - igb0 - Intel(R) I210 (Copper)
OPNsense version: 25.1.7_4-amd64 running on bare metal

Topology: Internet --> OPNsense --> unmanaged switch --> Sophos XG135 running SFOS 21.0.1  (Static IP) --> LAN devices


Issue:

Hi folks
The LAN interface is not reachable from any of the LAN devices, or the Sophos box whenever there is an interruption on the OPNSense LAN interface. It could be a reboot after a OPNSense software upgrade, or the OPNSense LAN cable being unpatched and repatched again. The em0 interface is up when I check via console, but does not respond to ping unless I power off the box and power it back up; or issue the ifconfig em0 down | up command. The WAN interface operates normally when this happens.
 
I tested by connecting the Sophos box directly, and using a unmanaged switch; but the result is the same. MTU is set to 1500 on both sides, and the BIOS on the Lenovo Box is the most recent one.

This issue has persisted for quite some time, will appreciate some tips on how to resolve this issue.

Hi all,
Just started using Opnsense, bare metal install on a Lenovo M900 tiny PC. The unit I bought does not have a serial port, and the slot is taken up by the second NIC anyways. The system is in a tight spot and I want some kind of out of band access.

Is it possible to get console access using a USB - Serial convertor? I was thinking of getting two of these with a female-female adaptor in between. Both ends of the cable will be USB, one on the opnsense host and the other on my laptop. Will this work? Or do I need to look at other options?

https://www.amazon.com/gp/product/B0759HSLP1/ref=ox_sc_act_title_1?smid=A1IR1GJH6XB88L&th=1

Hi all,
Just getting started on Opnsense and was reading that it's a good idea to move log files to a separate disc. I have a NVME SSD now, what type of storage is ideal a second disc for log files only?

• Would high endurance SD Cards be a good choice?
• Or would one of those Hybrid HDDs be a better choice. I could use a single disc for OS and log files with this option
  

Would appreciate some guidance oj this topic.

Hi all,

Linux newbie here and just started testing Opnsense for home use. Reading through the forums, it appears that moving log files to a different disc is a good idea to prevent SSD wear. But how? And can it be done after installation?

There are a couple of threads on the topic, but not much info for a beginner. Can someone please explain this like I'm 5?

Couple of links I read on the topic
https://forum.opnsense.org/index.php?topic=14043
https://forum.opnsense.org/index.php?topic=32148.0

I am using ZFS filesystem in case  that's relevant.