TCAT Shelbyville - Technical Blog

Here’s a set of quick tweaks to adjust Windows 7 networking.  Always backup your computer before performing any tweak.

Open a command prompt as an administrator and type the following –

netsh int tcp set global congestionprovider=ctcp
netsh int tcp set global ecncapability=default
netsh int tcp set global chimney=enabled
netsh int tcp set global dca=enabled
netsh int tcp set global netdma=enabled
netsh int tcp set global autotuninglevel=disabled
netsh int tcp set heuristics disabled

CTCP or Compound TCP – Improves throughput
ECN-provides routers with an alternate method of communicating network congestion
TCP Chimney Offload – Offloads all TCP processing for a connection to your network adapter
Direct Cache Access (DCA) – or direct cache access allows a network controller to deliever data directly to your cpu cache
NetDMA – enables support for advanced direct memory access.
TCP Autotuning – RWIN auto tuning behavior
Heuristics – Windows 7 has the ability to…

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About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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