Lanbench

: By isolating TCP performance, it helps identify if network slowness is due to cabling, switches, or software overhead. Comparison with Other Tools

While LANBench is excellent for quick, simple tests, it lacks some advanced features found in modern alternatives: Three More Ways To Measure Network Speed - SmallNetBuilder LANBench

It achieves this by using a simple, custom protocol over raw sockets (or high-performance transports) and focusing on pure data pushing/pulling without complex application-layer logic. The primary goal is to answer the question: "What is the absolute maximum bandwidth this network cable, switch, and NIC combination can provide, ignoring OS protocol stack bottlenecks?" : By isolating TCP performance, it helps identify