polling

I have VAXEE XE-S Wireless (4K) and it works perfectly with polling rate up to 1000. When I switch it higher, to 2K or 4K, it starts feeling laggy and tools for detecting polling rate all report it doesn't go higher than 1000. Is it a hard limitation or it can be configured properly? It works...

I been having issues on a unit I use for pfsense routing (based on FreeBSD 11.0), and recently discovered it starts random packetloss at just 2000 pps. The network hardware is a mini pci-x intel i350 with 2 ports. It uses the igb driver. I have tried various things but will stick to what the...