sysctl

Full gigabit speeds in linux and windows

Finally, I'm able to get fully gigabit speeds from my linux server to my workstation. I couldn't tell who was the bottle neck before so I tuned them both. Originally, no matter what I did I would cap out at 160 to 320mbps at any point using any TCP or UDP. Ping seemed to work so I know it wasn't a bus issue. Come to find out, a few sysctl and registry hacks got me to 871mbps! No jumbo frames either, as those don't really fix the problem.

In linux I have the following in my sysctl. Keep in mind that this is a Dual Xeon 2.0Ghz with 1GB ram and a intel gigabit on PCI-X.

sysctl.conf

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