Quote from: MojoMC on February 03, 2026, 10:00:15 AMWe would see CPU spikes to 99% and traffic ground to a halt. We went to LAN only, and now we only see the blips from these $20 DDoS attacks."
Quote from: meyergru on Today at 02:26:45 PMCould also be a faulty port on the switch or on your firewallSince I had this happen on two totally different Switches from two different brands I am suspecting it might be the case here too...
Quoteor bad NIC support if Realtek NICs are in use.igc = always Intel AFAIK ?!
Quote from: CyberTend on Today at 01:34:05 PM1) I am using a Cat6 cable factory madeIs this just UTP or some Shielded version ?
Quote3) Setting both sides to autonegotiate, I only get 100meg- Automatic Negotiation is the best way to detect issues, so avoid using Manual Settings !!
4) Setting both sides to 1000baseT Full, no connection at all.
QuoteI do have many other devices on the switch that are indeed connected at 1000baseT.Could you swap ports to make sure it's not the NIC Port of your OPNsense having issues ?
QuotePerhaps a switch incompatibility?Don't think so... Very rare anyway...
QuoteWhat switches are folks using that you know work?Any decent brand should work and if it doesn't then it's probably a cable or port issue IMHO :)