@Somnus after chatting with customer support for about 45 minutes, with them repeatedly telling me to try things I had already tried, asking me for my (irrelevant) ISP speed, etc., I finally...

@Somnus I finally got the chance to do an iperf test, and these are my results: C:\Users\rjones>iperf3 -c 192.168.86.50 Connecting to host 192.168.86.50, port 5201 [ 4] local 192.168.86.40 port 60906...

I have a new TL-SG116E (16 port gigabit managed switch). I have gigabit cable internet coming into my home, then through a Nest WiFi Pro router, then to my TL-SG116E. If I plug a laptop into the LAN...