(fixed) downloads/uploads stopping randomly

[strangegopher]

Edit: I figured it out, I needed to also change the the kern.ipc.nmbclusters to 1000000 is system turntables (i have igb intel card)
https://doc.pfsense.org/index.php/Tuning_and_Troubleshooting_Network_Cards

[KOM]

The fact that it also happens when strictly on LAN is telling.  Take pfSense out of the mix and connect directly.  Does the problem still happen?