Thanks again for a good reply.
I bought an Intel I226-v network card for testing, so I can use a more powerful computer than the Topton computer. I will post the result in mid February (the netword card was not in stock).

Thanks for the reply. You gave me alot to think about (in a positive way). Regarding using the Topton firewall: When I use the htop software in Securityonion, the CPU usage was in the range of approx. 20 - 90 % on all cores. Sometimes 1 CPU core hit 100% usage. The load average (1min) was never abov...

I am trying to setup Securityonion to make a SOC in my home network. I use a Topton N100 firewall PC with 4x 2.5 gbit/s Intel i226-v network cards for Securityonion. The management interface is connected to Port9 (1 gbit/s), and the mirror interface is connected to the SFP1 port (2.5 gbit/s). I am u...