Debugging my new network, when 10 Gigabit Ethernet Runs at 300 Megabits
A user details the technical troubleshooting process of resolving a 10GbE network bottleneck caused by misconfigured receive buffers on an Intel network adapter. The issue was identified as an asymmetrical performance problem within the Windows driver settings.
Why it matters
This provides a practical case study for homelab enthusiasts and IT professionals dealing with high-speed networking hardware limitations.
I've been moving my home storage over to a UniFi UNAS Pro 8 as part of a larger homelab moderization . My main IRONHEART (the ultimate PC from a few years back) desktop now has an Intel E610-XT2 10GbE card, the NAS is on 10GbE, and there's a Minisforum MS-01 miniPC on the same network with a 10GbE SFP+ connection running Immich and Portainer and a few other things.
Everything says 10 gigabit. Windows says 10 gigabit. UniFi says 10 gigabit. SMB copies are using the correct NIC but my file copies are running at around 100 to 200 megabits per second which is sad making.
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