Network sysctl tuning [was Re: ZFSKnownProblems - needs revision?]

Antony Mawer fbsd-stable at
Wed Apr 8 23:26:58 UTC 2009

Freddie Cash wrote:
> We've also heavily modified /etc/sysctl.conf and upped a bunch of the 
> network-related sysctls.  Doing so increased our SSH throughput from ~30 
> Mbits/sec across all connections to over 90 Mbits/sec per SSH connection.

Are you able to share any of these with the list? It would be useful to 
compare as a lot of these tunings people do individually and it would be 
good to allow others to test in their environments to see if they help, 
as well as potentially adding them to the tuning man-page.

-- Antony

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