Can you run

sudo ethtool <interface>

Should tell you what the NIC is physically seeing on your Ubuntu machine. Also maybe just do a generic speed test from your Ubuntu machine to see if its everything on the NIC or just lateral traffic being impacted

Thanks for the succinct reply!

Pfsense guy here, and professionally Palo alto guy. Can someone tl;dr the purpose of blockerng and suricata? I thought I remember the Lawrence systems folks mentioning using it for IPS but with segmentation at home “human” IPS seems more relevant than digital