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From: sthaug@nethelp.no (Steinar Haug)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: 100BaseT tuning considerations?
Date: 23 Aug 1996 17:10:22 GMT
Organization: Nethelp Consulting, Trondheim, Norway
Lines: 15
Message-ID: <4vkolu$pni@verdi.nethelp.no>
References: <4vin1s$4um@server.cs.vt.edu>
NNTP-Posting-Host: trane.uninett.no
In-reply-to: ceharris@mal.com's message of 22 Aug 1996 22:30:20 GMT

[Carl Harris]

|   Has anyone experimented with tuning the kernel to get the most out
|   of 100BaseT?  Seems like it could do better than the ~40 mbit/s I can
|   get with a stock kernel config.   I'm experimenting with transfers that
|   involve no with no disk I/O on a not-so-loaded system, equipped with a 
|   Pentium 120 and 32 megs EDO...

Sounds like something strange in your system. I was able to get 79 Mbps
between two P133s, one running 2.1R, the other 2.2-960323-SNAP, both of
them with the SMC Etherpower 10/100 card. This was done several months
ago, and the results are in the Netperf database. I did *no* kernel
tuning at all.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no