Re: ssh, HPN extension and TCP auto-tuning

To: current-users%NetBSD.org@localhost
Subject: Re: ssh, HPN extension and TCP auto-tuning
From: David Young <dyoung%pobox.com@localhost>
Date: Thu, 21 Sep 2017 12:42:59 -0500

FWIW, I use these settings to get decent performance on slow (25 Mb/s),
long-distance connections (Illinois -> New York) and fast (1 Gb/s),
short-distance connections (inside the same office/home).

kern.sbmax=16777216
net.inet.tcp.recvbuf_max=16777216
net.inet.tcp.sendbuf_max=16777216
net.inet.tcp.recvspace=262144
net.inet.tcp.sendspace=262144

These derive from personal advice I have received, and experimentation.

Dave

-- 
David Young
dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981

References:
- Re: ssh, HPN extension and TCP auto-tuning
  - From: Havard Eidnes
- Re: ssh, HPN extension and TCP auto-tuning
  - From: Brian Buhrow

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